good point from Stephen Levine:
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Notice that the article specified the most prone areas during the month of February. That would mean that many of those tornadoes would be dangerous night time, and/or rain wrapped.
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Just looking today at the tornado warning drill for Eastern FL and note this distinction:
MOST OF OUR TORNADOES OCCUR DURING THE WET SEASON WHICH
TYPICALLY RUNS FROM LATE MAY THROUGH MID OCTOBER. THESE TORNADOES
ARE USUALLY SMALL AND BRIEF RESULTING IN LITTLE PROPERTY DAMAGE AND
ARE NOT A SIGNIFICANT THREAT TO LIFE.
HOWEVER, LARGE LONG-TRACK AND DEADLY TORNADOES HAVE OCCURRED IN EAST
CENTRAL FLORIDA DURING THE DRY SEASON. THE DEADLIEST TORNADO
OUTBREAK IN FLORIDA`S HISTORY OCCURRED THE NIGHT OF FEBRUARY 22,
1998 WHEN SEVERAL LARGE TORNADOES SWEPT ACROSS CENTRAL FLORIDA
KILLING 42 PEOPLE...DESTROYING 700 STRUCTURES AND CAUSING AN
ESTIMATED 100 MILLION DOLLARS DAMAGE. THREE OF THE TORNADOES WERE
RATED EF-3 INTENSITY WHILE ANOTHER 2 TORNADOES WERE RATED AS EF-2.
THEN...IN THE EARLY MORNING HOURS OF FEBRUARY 2, 2007, A SUPERCELL
THUNDERSTORM PRODUCED TWO EF-3 TORNADOES OVER NORTHERN LAKE COUNTY
KILLING 21 PEOPLE.
N
OT ONLY DID THESE DEADLY TORNADIC EVENTS OCCUR IN FEBRUARY AND IN
THE MIDDLE OF THE NIGHT, BUT ALSO DURING AN EL NINO. RESEARCH SHOWS
THAT THE THREAT FOR LARGE DEADLY TORNADOES IN EAST CENTRAL FLORIDA
INCREASES DURING EL NINO YEARS.
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http://www.srh.noaa.gov/productview.php?pil=PNSMLB&max=10