Showing posts with label Nathan Greene. Show all posts
Showing posts with label Nathan Greene. Show all posts

Sunday, November 17, 2013

Winter Weather

Snow will taper off in much of the Rockies by the second half of Sunday as the latest storm system heads east.
Background

Rain and Snow Forecast

Rain and Snow Forecast
In addition, some light snow will spread through the Dakotas and northern Minnesota Sunday.
To start the week, minor lake-effect snow is expected in the Great Lakes Monday into Tuesday behind a powerful low pressure system passing through Sunday night into Monday.
Watch the video clip above for the latest onwinter weather threats.
Below are the latest minute-by-minute updates on active winter weather from The Weather Channel team of meteorologists, along with National Weather Service offices and posts from social media. The latest updates will appear automatically on top; no need to refresh this page.
Times on the left are in Eastern Time; subtract 1 hour for Central Time, 2 hours for Mountain Time and 3 hours for Pacific Time.

Tornado Outbreak

tornado outbreak and widespread damaging winds are expected in the Midwest today.
ChicagoIndianapolis, CincinnatiDetroitCleveland, and Louisville, Ky. are among the major cities at risk.
Our live blog below has the latest warnings, analysis, breaking news, photos and video. Most recent updates can be found at the top.
You'll see information from The Weather Channel (@weatherchannel and @TWCBreaking) and our digital meteorologists, Chris Dolce (@chrisdolcewx), Nick Wiltgen (@WxNick), Jon Erdman (@wxjerdman), and Alan Raymond (@AlanRaymondWX) and Chrissy Warrilow (@AtlantaWxGirl), as well as several of our on-camera meteorologists from The Weather Channel on cable.
For the full forecast details on this dangerous outbreak of severe weather, go to this link.

Monday, November 11, 2013

Cold Blast for Midwest

Typical of fall, temperatures do their fair share of rising and falling with each cold front that sweeps through.
Such is the case over the next several days as the jet stream takes a sharp plunge south from Canada across the Plains, Midwest, Deep South, then into the eastern states. This jet stream dip will be accompanied by a chilly, expansive area of high pressure at the surface that can be traced back to the Arctic.
This pattern change will lead to a widespread area of well-below-average temperatures. Let's take a closer look at the colder forecast details and see if any snow will also be squeezed out.

The Cold

Background

Highs Compared to Average Wednesday

Highs Compared to Average Wednesday

Temperatures over 20 degrees below average in some cases will progress south and east from the Midwest to the Gulf Coast and East Coast through Thursday.
Monday (MAP: Highs): Temperatures won't rise out of the 20s in the Dakotas, parts of eastern Montana, Minnesota, northern Wisconsin and Upper Michigan. Morning lows in the single digits and teens are likely in North Dakota, northern Minnesota and northeast Montana. Wind chills, particularly in the morning, may dip below zero in some of these areas.
Tuesday (MAPS: Highs | Lows): Highs may hold in the 20s around Lake Superior. Most cities across the Midwest and Northeast will not rise out of the 30s or 40s. Highs in Dallas-Fort Worth and Nashville will be 20-25 degrees colder than Monday. Some single-digit lows are likely in parts of North Dakota and northern Minnesota. Morning lows in the teens may plunge as far south as northern Kansas, northern Missouri and western Illinois.
Wednesday (MAPS: Highs | Lows): As illustrated by the map to the right, temperatures will be up to 20 degrees below average over an expansive area from the Midwest to the Deep South and East Coast. Highs may hold in the 50s in parts of north Florida and the northern Gulf Coast. Morning lows in the 20s may plunge as far south as the Texas Panhandle, Dallas-Ft. Worth suburbs, Deep South and Carolinas. A few daily record lows may be threatened in parts of the Northeast (low-mid 20s) and Southeast (upper 20s to low 30s).
Thursday (MAPS: Highs | Lows): Cold lingers in the South, East, and Ohio Valley. A morning freeze is likely in the Deep South, possibly including a few spots in the Florida Panhandle, and as far south as the suburbs of Houston. A hard freeze (low to mid 20s) could reach as far south as middle Georgia, central Alabama and central Mississippi. Daily record lows are possible from parts of the Carolinas to Alabama (20s to near 30).

Any Snow?

Background

Wednesday's Forecast

Wednesday's Forecast

While this time of year is notorious for major Great Lakes snowstorms, that's not what we're forecasting with this moisture-starved Arctic cold front. Sorry, kids ... no snow day.
(INTERACTIVE MAP: Where is the snow now?)
Monday and Monday night, rain will change to light snow over parts of the Great Lakes, Ohio Valley, parts of the Appalachians, Upstate New York and far northern New England. Another area of light snow may dust parts of the northern High Plains.
Tuesday, some lingering pockets of light snow are possible in parts of the Great Lakes snow belts and Appalachians.
(FORECASTS: Chicago | Columbus | Pittsburgh)
Any snow accumulations will generally be light with the cold front itself, on the order of an inch or so (see map above at right). With that said, this "dusting" could be the first measurable snowfall of the season in locations such as:

Typhoon Haiyan

-- Haiyan is no longer a typhoon, but the destruction it left in the Philippines will take months or even years to overcome.
The typhoon-ravaged Philippine islands faced an unimaginably huge recovery effort that had barely begun Monday. As the official death toll rises to 942, many more bodies lay uncollected and uncounted in the streets and survivors pleaded for food, water and medicine.
Military spokesman Lt. Jim Alagao said 275 others were confirmed missing from the storm. The death toll is expected to rise considerably. Two provincial officials predicted Sunday that it could reach 10,000 or more.
Police guarded stores to prevent people from hauling off food, water and such non-essentials as TVs and treadmills, but there was often no one to carry away the dead - not even those seen along the main road from the airport to Tacloban, the worst-hit city along the country's remote eastern seaboard.
At a small naval base, eight bloated corpses - including that of a baby - were submerged in sea water brought in by the storm. Officers there had yet to move them, saying they had no body bags or electricity to preserve them.
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Typhoon Haiyan: How You Can Help

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Two officials said Sunday that Friday's typhoon may have killed 10,000 or more people, but with the slow pace of recovery, the official death toll remained well below that. The Philippine military confirmed 942 dead, but shattered communications, transportation links and local governments indicate that the final toll will take days to be known. Presidential spokesman Edwin Lacierda said "we pray" that the death toll is less than 10,000.
"Haiyan is now just a remnant low over southern China, after coming ashore south of Hanoi, Vietnam Sunday afternoon (U.S. time)," said weather.com Senior Meteorologist Jon Erdman. "This ended an over one-week journey, from Micronesia to Palau to the Philippines and finally to northern Vietnam and China."
Tacloban resembled a garbage dump from the air, punctuated only by a few concrete buildings that remained standing.
"I don't believe there is a single structure that is not destroyed or severely damaged in some way - every single building, every single house," U.S. Marine Brig. Gen. Paul Kennedy said after taking a helicopter flight over the city. He spoke on the tarmac at the airport, where two Marine C-130 cargo planes were parked, engines running, unloading supplies.
Authorities said at least 2 million people in 41 provinces were affected by Haiyan, one of the most powerful recorded typhoons to ever hit land and likely the deadliest natural disaster to beset this poor Southeast Asian nation.
Philippine soldiers were distributing food and water in Tacloban, and assessment teams from the United Nations and other international agencies were seen for the first time. The U.S. military dispatched food, water, generators and a contingent of Marines to the city, the first outside help in what will swell into a major international relief mission.
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Entire Towns Destroyed by Typhoon

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"Please tell my family I'm alive," said Erika Mae Karakot, a survivor on Tacloban's Leyte island, as she lined up for aid. "We need water and medicine because a lot of the people we are with are wounded. Some are suffering from diarrhea and dehydration due to shortage of food and water."
Authorities had evacuated some 800,000 people ahead of the typhoon, but many evacuation centers - brick-and-mortar schools, churches and government buildings - could not withstand the winds and water surges. Officials said people who had huddled in these buildings drowned or were swept away.
Emily Ortega, 21 and about to give birth, was among those who had thought she was safe. But the evacuation center she had fled to was devastated by the 6-meter (20-foot) storm surge, and she had to swim and cling to a post to survive. She reached safety at the airport, where she gave birth to a baby girl. Bea Joy Sagales appeared in good health, and her arrival drew applause from others in the airport and military medics who assisted in the delivery.
The winds, rains and coastal storm surges transformed neighborhoods into twisted piles of debris, blocking roads and trapping decomposing bodies underneath. Ships were tossed inland, cars and trucks swept out to sea and bridges and ports washed away.
"In some cases the devastation has been total," said Secretary to the Cabinet Rene Almendras.
typhoon haiyan
AP PHOTO/WALLY SANTANA
Young boys scavenge through the wreckage from Typhoon Haiyan in Tacloban, central Philippines, Monday, Nov. 11, 2013. (AP Photo/Wally Santana)
Residents have stripped malls, shops and homes of food, water and consumer goods. Officials said some of the looting smacked of desperation but in other cases items taken included TVs, refrigerators, Christmas trees and a treadmill. An Associated Press reporter in the town said he saw around 400 special forces and soldiers patrolling downtown to guard against further chaos.
Brig. Gen. Kennedy said Philippine forces were handling security well, and that his forces were "looking at how to open up roads and land planes and helicopters. We got shelter coming in. (The U.S. Agency for International Development) is bringing in water and supplies."
Those caught in the storm were worried that aid would not arrive soon enough.
"We're afraid that it's going to get dangerous in town because relief goods are trickling in very slow," said Bobbie Womack, an American missionary and longtime Tacloban resident from Athens, Tennessee. "I know it's a massive, massive undertaking to try to feed a town of over 150,000 people. They need to bring in shiploads of food."
Philippine President Benigno Aquino III said he was considering declaring a state of emergency or martial law in Tacloban. A state of emergency usually includes curfews, price and food supply controls, military or police checkpoints and increased security patrols.
Haiyan hit the eastern seaboard of the Philippines on Friday and quickly barreled across its central islands, packing winds of 235 kph (147 mph) that gusted to 275 kph (170 mph).
It inflicted serious damage to at least six islands in the middle of the eastern seaboard, with Leyte, Samar and the northern part of Cebu appearing to bear the brunt of the storm.
Video from Eastern Samar province's Guiuan township - the first area where the typhoon made landfall - showed a trail of devastation similar to Tacloban. Many houses were flattened and roads were strewn with debris and uprooted trees. The ABS-CBN video showed several bodies on the street, covered with blankets.
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Eyewitness Account of Typhoon Haiyan

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"I have no house, I have no clothes. I don't know how I will restart my life. I am so confused," an unidentified woman said, crying. "I don't know what happened to us. We are appealing for help. Whoever has a good heart, I appeal to you - please help Guiuan."
The United Nations said it was sending supplies but access to the worst hit areas was a challenge.
"Reaching the worst affected areas is very difficult, with limited access due to the damage caused by the typhoon to infrastructure and communications," said UNICEF Philippines Representative Tomoo Hozumi.
The storm's sustained winds weakened to 120 kph (74 mph) as the typhoon made landfall in northern Vietnam early Monday after crossing the South China Sea, according to the Hong Kong meteorological observatory. Authorities there evacuated hundreds of thousands of people, but there were no reports of significant damage or injuries.
It was downgraded to a tropical storm as it entered southern China later Monday, and weather officials forecast torrential rain over the coming 24 hours across southern China. Guangxi officials advised fishermen to stay onshore.
The Philippines, an archipelago nation of more than 7,000 islands, is annually buffeted by tropical storms and typhoons, which are called hurricanes and cyclones elsewhere. The impoverished and densely populated nation of 96 million people is in the northwestern Pacific, right in the path of the world's No. 1 typhoon generator, according to meteorologists. The archipelago's exposed eastern seaboard often bears the brunt.
Even by the standards of the Philippines, however, Haiyan is an epic catastrophe. Its winds were among the strongest ever recorded, and it appears to have killed more people than the previous deadliest Philippine storm, Thelma, in which about 5,100 people died in the central Philippines in 1991.
The country's deadliest disaster on record was the 1976 magnitude-7.9 earthquake that triggered a tsunami in the Moro Gulf in the southern Philippines, killing 5,791 people.

Tuesday, November 5, 2013

Climate Change Report

WASHINGTON -- Starvation, poverty, flooding, heat waves, droughts, war and disease already lead to human tragedies. They're likely to worsen as the world warms from man-made climate change, a leaked draft of an international scientific report forecasts.
The Nobel Peace Prize-winning Intergovernmental Panel on Climate Change will issue a report next March on how global warming is already affecting the way people live and what will happen in the future, including a worldwide drop in income. A leaked copy of a draft of the summary of the report appeared online Friday on a climate skeptic's website. Governments will spend the next few months making comments about the draft.
"We've seen a lot of impacts and they've had consequences," Carnegie Institution climate scientist Chris Field, who heads the report, told The Associated Press on Saturday. "And we will see more in the future."
Cities, where most of the world now lives, have the highest vulnerability, as do the globe's poorest people.
"Throughout the 21st century, climate change impacts will slow down economic growth and poverty reduction, further erode food security and trigger new poverty traps, the latter particularly in urban areas and emerging hotspots of hunger," the report says. "Climate change will exacerbate poverty in low- and lower-middle income countries and create new poverty pockets in upper-middle to high-income countries with increasing inequality."
The report says scientists have high confidence especially in what it calls certain "key risks":
-People dying from warming- and sea rise-related flooding, especially in big cities.
-Famine because of temperature and rain changes, especially for poorer nations.
-Farmers going broke because of lack of water.
-Infrastructure failures because of extreme weather.
-Dangerous and deadly heat waves worsening.
-Certain land and marine ecosystems failing.
"Human interface with the climate system is occurring and climate change poses risks for human and natural systems," the 29-page summary says.
Pennsylvania State University climate scientist Michael Mann, who wasn't part of the international study team, said the report's summary confirmed what researchers have known for a long time: "Climate change threatens our health, land, food and water security."
The report details specific effects of warming and how countries and people can adapt to some of them. Field said experts paint a dramatic contrast of possible futures, but because countries can lessen some of the harms through reduced fossil fuel emissions and systems to cope with other changes, he said he doesn't find working on the report depressing.
"The reason I'm not depressed is because I see the difference between a world in which we don't do anything and a world in which we try hard to get our arms around the problem," he said.

Chicago Earthquake

The earth rattled in the Chicago area Monday afternoon, but it turned out the fault (so to speak) was with man and not nature.
WGN-TV reports that a "shot" blast at Hanson Materials in suburban Hodgkins, Ill., was to blame for what the U.S. Geological Survey recorded as a magnitude-3.2 earthquake at 12:35 p.m. CST Monday. Initially, the USGS had rated the magnitude as 3.7.
The USGS website received reports of shaking across many of Chicago's western and southwestern suburbs, as well as parts of the city itself, generally within a 15-mile radius of the quarry blast. Most of these reports were characterized as weak or light. A few spotty reports of shaking came in from the northwestern suburbs as well. No serious damage was reported.
Two major quarries operate in the vicinity of the reported epicenter. According to Google Maps, less than a mile separates the Hanson Materials site from the larger McCook Quarry, both located about 15 miles west-southwest of downtown Chicago.
Jeff May, senior area operations manager for Vulcan Materials Company, which operates the McCook Quarry, confirmed his company did not conduct any blasting activity Monday.
(WATCH: Chicago Forecast)
Joshua Robbins, spokesman for Vulcan, told weather.com that quarries typically keep close tabs on the impact of their blasts, which in the industry are called "shots."
"The shots are all measured. There are seismographs. Quarries typically measure it at multiple locations," Robbins said. "Each shot is recorded ... usually at multiple points."
He explained that quarry shots are typically done by drilling holes into the limestone rock and using ammonium nitrate fuel oil mixture to do the blasting. He noted that most states have a Department of Natural Resources that regulates such activity.
Robbins said it would be hard to imagine a quarry blast being large enough to cause structural damage. "In my company, we send out structural engineers to evaluate claims of blast damage."

Wednesday, October 30, 2013

St. Jude Day Storm

COPENHAGEN, Denmark -- The Europe storm death toll has risen to 15 after Danish police say a driver was killed when he crashed into a tree knocked down by violent gusts.
Monday's storm was one of the worst in years in western and northern Europe. Authorities said Tuesday that dozens were injured in Denmark as wind gusts up to 194 kph (120 mph) swept across the country.
In Denmark, train passengers spent the night in a sports facility due to fallen trees on the tracks. The storm left a trail of uprooted trees, damaged buildings and collapsed scaffoldings across the country.
Germany had six deaths, Britain five, Denmark two and France and the Netherlands had one each.
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Worst Storm in Years HITS!

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Tens of thousands of people were without power Tuesday in Sweden, Denmark, Estonia and Latvia.
Gusts of 99 miles per hour (160 kph) were reported on the Isle of Wight in southern England, while gusts up to 80 mph hit the British mainland. Later in the day, the Danish capital of Copenhagen saw record gusts up of to 120 mph (194 kph) and an autobahn in central Germany was shut down by gusts up to 62 mph (100 kph).
All across the region, people were warned to stay indoors. Hundreds of trees were uprooted or split, blocking roads and crushing cars. The Dutch were told to leave their beloved bicycles at home for safety's sake.
Despite the strength of its gusts, the storm was not considered a hurricane because it didn't form over warm expanses of open ocean like the hurricanes that batter the Caribbean and the United States. Britain's national weather service, the Met Office, said Britain does not get hurricanes because those are "warm latitude" storms that draw their energy from seas far warmer than the North Atlantic. Monday's storm also did not have an "eye" at its center like most hurricanes.
London's Heathrow Airport, Europe's busiest, cancelled at least 130 flights and giant waves prompted the major English port of Dover to close, cutting off ferry services to France.
Nearly 1,100 passengers had to ride out the storm on a heaving ferry from Newcastle in Britain to the Dutch port of Ijmuiden after strong winds and heavy seas blocked it from docking in the morning. The ship returned to the North Sea to wait for the wind to die down rather than risk being smashed against the harbor's walls, Teun-Wim Leene of DFDS Seaways told national broadcaster NOS.
In central London, a huge building crane near the prime minister's office crumpled in the gusts. The city's overburdened transit system faced major delays and cancellations and did not recover even once the weather swept to the east.
A nuclear power station in Kent, southern England, automatically shut its two reactors after storm debris reduced its incoming power supply. Officials at the Dungeness B plant said the reactors had shut down safely and would be brought back once power was restored.
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UK Weather Outlook

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The storm left Britain in the early afternoon and roared across the English Channel, leaving up to 270,000 U.K. homes without power.
Trains were canceled in southern Sweden and Denmark. Winds blew off roofs, with debris reportedly breaking the legs of one man. Near the Danish capital of Copenhagen, the storm ripped down the scaffolding from a five-story apartment building.
Copenhagen's Kastrup Airport saw delays as strong gusts prevented passengers from using boarding bridges to disembark from planes to the terminals.
In Germany, in addition to widespread rail disruptions, both Duesseldorf and Hamburg airports saw many flights cancelled, stranding more than 1,000 passengers.
Thousands of homes in northwestern France also lost electricity, while in the Netherlands several rail lines shut down and airports faced delays. Amsterdam's central railway station was closed due to storm damage.
Amsterdam was one of the hardest-hit cities as the storm surged up the Dutch coast. Powerful wind gusts toppled trees into canals in the capital's historic center and sent branches tumbling onto rail and tram lines, halting almost all public transport. Commuters faced long struggles to get home.
Ferries in the Baltic Sea, including between Denmark and Sweden, were canceled after the Swedish Meteorological Institute upgraded its storm warning to the highest possible level, class 3, which indicates "very extreme weather that could pose great danger."
Trains were canceled in southern Sweden, and many bridges were closed between the islands in Denmark.
London Mayor Boris Johnson praised emergency workers for doing an "amazing job" trying to keep London moving. He said his thoughts, along with those of all Londoners, were with the victims and their loved ones.

Raymond

Raymond has weakened to a tropical depression in the eastern Pacific Ocean. The depression should dissipate into a remnant low by Wednesday or Thursday.

Storm History

Raymond developed as Tropical Depression Seventeen-E on the evening of Saturday, Oct. 19.
From Sunday morning, Oct. 20, into early Monday, Oct. 21, Raymond rapidly intensified with top sustained winds increasing from 40 mph to 120 mph, becoming the first major hurricane of 2013 in the entire Western Hemisphere. Raymond peaked in intensity late Monday with top sustained winds of 125 mph.
Raymond brought heavy rainfall to the south-central Mexican coast last week. Acapulco, the largest city in Guerrero, reported nearly 10 inches of rain in the 72-hour period ending 7 a.m. CDT Wednesday, Oct. 23.
Raymond weakened to a tropical storm early on Wednesday, Oct. 23, before returning to hurricane strength in a second spurt of rapid intensification during the morning hours Sunday, Oct. 27. Winds increased to 105 mph late on Oct. 27, but then Raymond weakened significantly the next day.

Wednesday, October 23, 2013

Typhoon Francisco

Typhoon Francisco has continued to weaken in the western Pacific Ocean and is now the equivalent of a Category 1 hurricane.
During the past weekend, Francisco peaked in intensity as a super typhoon with maximum sustained winds of 160 mph.
Background

Francisco Satellite Imagery

Francisco Satellite Imagery
Background

Francisco Forecast Track

Francisco Forecast Track
Guam avoided the worst impacts from Francisco, however the island did see bands of heavy rain and gusty winds at times on Thursday (U.S. time).
The center of Francisco is expected to remain east of Okinawa, however, tropical storm-force wind gusts and bands of locally heavy rain may wrap into Okinawa through Thursday.
Francisco is expected to weaken steadily starting Thursday as it takes a sharp northeast turn under the influence of increasing westerly winds aloft.
The most likely path for Francisco will be offshore of Japan, to the east and southeast of Tokyo, keeping most of the wind impacts offshore.
However, Francisco is also merging with a cold front arriving from eastern Asia. In fact, the latest radar from the Japanese Meteorological Agency shows bands of rain already setting up over southern Japan. 
Given saturated ground from Typhoon Wipha just over a week ago, the threat of additional flash flooding and mudslides is high until Francisco pulls away from Japan Saturday.

Hurricane Raymond

ACAPULCO, Mexico -- A greatly weakened Hurricane Raymond stayed parked at sea early Wednesday as its rains caused some flooding on Mexico's Pacific coast and led authorities to evacuate a village threatened by mudslides from two soaked hills.
In the inland mountains, officials moved hundreds of residents out of El Paraiso by Tuesday night and planned to completely empty the village of 7,000 people because of fears of landslides, said Guerrero state's deputy secretary of civil protection, Constantino Gonzalez.
Gonzalez said two hills still soaked from a storm last month loom over the village and authorities feared they could give way.
Raymond's center was 120 miles south of the beach resort of Zihuatanejo early Wednesday, the U.S. National Hurricane Center said. After spending much of Monday as a powerful Category 3 storm, Raymond was barely a hurricane with maximum sustained winds of 75 mph.
Forecasters said it should weaken to a tropical storm by Wednesday and begin moving slowly westward farther out to sea.
While the coast was spared damaging torrential rains like those inflicted by Tropical Storm Manuel last month, authorities in Guerrero state took no chances following widespread criticism of their preparations for the earlier storm. They moved hundreds of people from isolated mountain communities and low-lying shore areas, and more than 1,500 soldiers were sent into the area. Schools in coastal communities were kept closed.
Forecasters warned that Raymond's rains still had the potential to cause dangerous floods and mudslides in the region, which is reeling from more than $1.7 billion in damage and about 120 deaths caused by Manuel. A tropical storm warning was in effect from Acapulco to Lazaro Cardenas.
Government workers reinforced some roads with sand bags, but rains left streets in low-lying parts of Acapulco and other areas under water.
Some flooding also swirled into homes wrecked by Manuel. About 10,000 people in Guerrero are still homeless a month after Manuel inundated whole neighborhoods and caused devastating landslides, including one that buried much of one village.
In the Atlantic, Tropical Storm Lorenzo strengthened far out to sea but posed no threat to land. Lorenzo's maximum sustained winds early Wednesday were over 50 mph with gradual weakening forecast over the next two days. The storm was centered about 940 miles east of Bermuda and was moving east near 8 mph.

Tuesday, October 15, 2013

Second Season of Severe Storms

Spring is known for its strong storm systems that can create violent twisters. However, it's not the only season known for tornadoes. Autumn is considered the "second" tornado season.
"The second half of October and especially November can often be a second season for tornadoes and severe thunderstorms," said tornado expert Dr. Greg Forbes. "In many ways, this is the counterpart to spring, when strong fronts and upper-air systems march across the United States. When enough warm, moist air accompanies these weather systems, the unstable conditions yield severe thunderstorms and sometimes tornadoes."
While most of the largest tornado outbreaks still occur in spring, autumn has its share of storms as well. Dr. Forbes examined the storm statistics and found six of the largest 55 known tornado outbreaks occurred in October and November.
(INTERACTIVE MAP: Radar, Watches, and Warnings)
May is still the peak month for tornadoes. Up to 52 percent of September's tornado outbreaks are due to landfalling tropical storms and hurricanes. October and November's tornadoes are caused by strong cold fronts and low pressure systems affecting the South and sometimes the Midwest.
So far, 2013 is on pace to be a record low tornado year. January was the only month that's been above average for tornadoes. It had 74 tornadoes, 2.3 times the average number of tornadoes.
The numbers don't mean it has been an easy tornado year. At least 46 people have died in the U.S.from tornadoes this year. Two extremely destructive tornadoes devastated towns in Oklahoma in May. A severe storm system Oct. 2 may have spawned as many as 12 tornadoes, according to preliminary estimates.
"It's a been a year with some notorious tornadoes," said Forbes said.