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Tornado Threat Forecast: Apr 5-11, 2012

1-3 DAY Forecast FAQ Thursday Southeast — POTENTIAL: Low — CONFIDENCE: Normal Low to moderate instability and good upper-level dynamics provide a low tornado threat in the Southeast today and tonight. Mostly unidirectional shear and extensive cloud cover will limit the tornado potential. One area

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Tornado Threat Forecast: Apr 2-8, 2012

1-3 DAY Forecast FAQ Monday Southern Plains — POTENTIAL: Medium — CONFIDENCE: Normal An upper-level disturbance will work into the southern Plains late today into tonight, with the height falls and associated cap erosion eventually creating an environment favorable for isolated tornadic storms. Timing and

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Significant tornado days, 1981-2010

Last week, we took a first crack at total (F0/EF0+) tornado days in the U.S. during the current 1991-2010 averaging period. There was an impressive number of days which had tornadoes in all twenty years. While all tornadoes are potentially dangerous, those that attain significant