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MESOSCALE DISCUSSION 0357
NWS STORM PREDICTION CENTER NORMAN OK
0439 AM CST WED MAR 05 2008
AREAS AFFECTED...NYC METRO INTO CT/RI/SOUTHERN MA
CONCERNING...SEVERE THUNDERSTORM WATCH 102...
VALID 051039Z - 051215Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 102
CONTINUES.
REMAINING PORTION OF SEVERE THUNDERSTORM WATCH 102 CONTINUES...AND A
THREAT FOR ISOLATED STRONG-SEVERE GUSTS COULD CONTINUE INTO RI AND
SOUTHERN MA. WILL CONTINUE TO MONITOR...HOWEVER A DOWNSTREAM WATCH
IS NOT CURRENTLY EXPECTED ACROSS RI/SOUTHERN MA.
WITHIN A REGIME OF STRONG LARGE SCALE HEIGHT FALLS/SURFACE PRESSURE
FALLS...STRONGLY FORCED CONVECTIVE LINE CONTINUES TO QUICKLY RACE
EAST-NORTHEASTWARD ACROSS LONG ISLAND AND COASTAL CT AS OF 1030Z. A
LONG HISTORY OF STRONG TO SEVERE GUSTS HAVE BEEN COMMON WITH THIS
CONVECTIVE LINE SINCE THIS EVENING...AND A MEASURED 53 KT GUST WAS
REPORTED AT NEW YORK JFK AS OF 921Z. MORE RECENTLY...ABOVE 50 MPH
GUSTS HAVE BEEN REPORTED IN CENTRAL SUFFOLK COUNTY. GIVEN THE DEGREE
OF LARGE SCALE FORCING/VERY STRONG WIND FIELDS...THE POSSIBILITY FOR
ISOLATED STRONG-SEVERE WIND GUSTS MAY CONTINUE ACROSS THE COASTAL
PORTIONS OF CT/RI...AND PERHAPS SOUTHERN MA. WITH THE CONVECTIVE
LINE LIKELY TO OUTRUN THE LOW LEVEL JET AND WITH MARGINAL MOISTURE
RETURN WITH EAST EXTENT...ISOLATED NATURE OF THE SEVERE RISK WILL
LIKELY PRECLUDE AN ADDITIONAL WATCH ISSUANCE.
..GUYER.. 03/05/2008
ATTN...WFO...BOX...OKX...
40537226 40677262 41327282 41677276 41907133 41716981
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