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MESOSCALE DISCUSSION 0474
NWS STORM PREDICTION CENTER NORMAN OK
0935 PM CDT MON APR 13 2009
AREAS AFFECTED...NRN FL
CONCERNING...SEVERE THUNDERSTORM WATCH 153...
VALID 140235Z - 140400Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 153
CONTINUES.
IF CURRENT TRENDS CONTINUE...REMAINING VALID PORTION OF WW MAY BE
CANCELLED PRIOR TO 06Z.
THE LEADING EDGE OF THE SURFACE COLD POOL ASSOCIATED WITH THE
VIGOROUS STORM CLUSTER WHICH PROGRESSED INLAND EAST OF THE BIG BEND
AREA APPEARS LIKELY TO PROGRESS OFFSHORE BETWEEN JACKSONVILLE AND
DAYTONA BEACH BY 03Z. BOUNDARY MAY STALL WESTWARD ACROSS FAR
NORTHERN PORTIONS OF THE PENINSULA...BUT STRONGEST NEW CONVECTIVE
DEVELOPMENT THROUGH 06Z MAY BECOME CONFINED TO THE WARM ADVECTION
REGIME ABOVE ANOTHER STRONGER COLD BUBBLE...ROUGHLY 100-120 MILES
WEST SOUTHWEST OF CROSS CITY.
..KERR.. 04/14/2009
ATTN...WFO...MLB...TBW...JAX...TAE...
LAT...LON 29728594 29798489 29458390 29278313 29678233 29798137
29228101 28698169 28348299 28548424 29068613 29728594
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