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Mesoscale Discussion 46 |
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MESOSCALE DISCUSSION 0046
NWS STORM PREDICTION CENTER NORMAN OK
0851 PM CST TUE JAN 25 2011
AREAS AFFECTED...SRN FL
CONCERNING...TORNADO WATCH 8...
VALID 260251Z - 260345Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 8 CONTINUES.
LOW-AMPLITUDE IMPULSE...EJECTING AHEAD OF THE DEEPER TROUGH OVER THE
NRN GULF OF MEXICO/LOWER MS VLY...AIDED IN THE
INTENSIFICATION/MAINTENANCE OF THE QLCS ACROSS NRN/CNTRL FL TODAY.
REMAINING LINE OF STORMS WILL CONTINUE ESE ACROSS THE REMAINDER OF
SRN FL THROUGH 06Z.
CORE OF THE STRONGEST LLJ WAS BEGINNING TO MOVE NEWD WITH A VEERING
LOW-LEVEL WIND PROFILE NOTED ACROSS SRN FL/KEYS RECENTLY. THIS IS
RESULTING IN A RELAXATION OF THE 0-1KM SHEAR AND REDUCING THE
TORNADO THREAT. FURTHERMORE...SHIELD OF TRAILING STRATIFORM RAIN
100-150 NM POLEWARD OF THE LINEAR MCS IS CONTRIBUTING TO AN
ACCELERATING COLD POOL. THIS IS MAKING IT DIFFICULT FOR LONG-LIVED
MESOSCALE LINE SEGMENTS TO EXIST...WHICH WOULD OTHERWISE BE
FAVORABLE FOR SWATHS OF WIND DAMAGE. AS SUCH...EXPECTATION IS FOR
ISOLATED DAMAGING WINDS...GENERALLY N OF ALLIGATOR ALLEY AND INTO
METRO BROWARD/PALM BEACH COUNTIES BEFORE 04Z.
..RACY.. 01/26/2011
ATTN...WFO...MFL...MLB...
LAT...LON 25907979 25578057 25798110 26308120 26838063 27218000
27227967 25907979
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