SWOMCD
SPC MCD 260845
FLZ000-260945-
MESOSCALE DISCUSSION 0405
NWS STORM PREDICTION CENTER NORMAN OK
0345 AM CDT MON APR 26 2010
AREAS AFFECTED...SRN FL
CONCERNING...TORNADO WATCH 107...
VALID 260845Z - 260945Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 107 CONTINUES.
THREAT FOR DAMAGING WIND AND AN ISOLATED TORNADO CONTINUES...MAINLY
AROUND CAPE_CORAL INCLUDING LEE COUNTY DURING THE NEXT HOUR OR SO.
OTHERWISE...VERY HEAVY RAIN WITH RATES BETWEEN 1.5 AND 2 INCHES PER
HOUR WILL LIKELY PERSIST NEXT FEW HOURS.
IN WAKE OF BOW ECHO THAT MOVED OFF THE SE FL COAST...A CONVECTIVE
OUTFLOW BOUNDARY HAS BECOME ORIENTED E-W OVER SRN FL AND PARALLEL TO
THE DEEP LAYER FLOW. THIS HAS RESULTED IN THE BOUNDARY BECOMING
NEARLY STATIONARY...THOUGH A SLOW SWD PROPAGATION MAY RESUME. SWLY
35-40 KT LOW LEVEL JET INTERACTING WITH THE OUTFLOW BOUNDARY WILL
CONTINUE TO SUPPORT THUNDERSTORM DEVELOPMENT ALONG AND NORTH OF THIS
FEATURE...WHILE INDIVIDUAL CONVECTIVE ELEMENTS MOVE EWD ALONG THE
BOUNDARY. THIS TRAINING MOTION IS SUPPORTING RAINFALL RATES BETWEEN
1 AND 2 INCHES PER HOUR. RECENT RADAR DATA INDICATE AN ORGANIZED
STORM /SUPERCELL POSSIBLY TRANSITIONING INTO A BOW ECHO/ ABOUT 30 MI
WEST OF THE CAPE_CORAL AREA MOVING EAST AT 35 KT. THIS STORM MAY
AUGMENT THE THREAT FOR DAMAGING WIND AND PERHAPS AN ISOLATED TORNADO
AS IT MOVES ONSHORE.
..DIAL.. 04/26/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...MFL...TBW...
LAT...LON 26498173 26828038 26658010 26348018 26148064 25748110
26028170 26498173
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