With the large-scale dip in the upper-level jet in the East, severe weather has remained confined since Easter weekend.
Jet-stream level pattern forecast for Monday into Tuesday, April 8-9.
Schematic forecast map showing near-surface moist air returning northward from the Gulf of Mexico.
There have even been a couple of tornadoes, including a particularly photogenic "stovepipe" tornado filmed on April Fool's Day near Silverton, Texas (see fourth video above).
However, there have been no widespread severe weather outbreaks since a series of damaging hailstorms in the South on March 18. And we've just come off the least active March for U.S. tornadoes since at least 1978.
http://www.weather.com/news/tornado-central/severe-outbreak-south-20130404
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