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Mesoscale Discussion 1912 |
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MESOSCALE DISCUSSION 1912
NWS STORM PREDICTION CENTER NORMAN OK
0443 PM CDT THU SEP 30 2010
AREAS AFFECTED...ERN NC...ERN VA...MD
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 302143Z - 302315Z
AN ISOLATED TORNADO THREAT WILL CONTINUE ACROSS ERN NC NWD ALONG THE
MID-ATLANTIC COAST OVER THE NEXT 2 TO 4 HOURS. WW ISSUANCE REMAINS
POSSIBLE ACROSS THE REGION.
THE REMNANTS OF NICOLE ARE CURRENTLY LOCATED FROM ERN NC EXTENDING
SWD INTO THE GULF STREAM WITH A CIRCULATION VISIBLE FROM THE
MOREHEAD CITY RADAR EVIDENT ABOUT 100 STATUTE MILES EAST OF
WILMINGTON NC. NORTH OF THE CIRCULATION...ROTATING STORMS ARE
EMBEDDED IN A RAINBAND ABOUT 80 MILES WIDE WITH SFC DEWPOINTS IN THE
MID 70S F FROM THE CENTER OF THE BAND EWD ACROSS THE OUTER BANKS OF
NC. OBJECTIVE ANALYSIS CURRENTLY SHOWS A 55 TO 65 KT LOW-LEVEL JET
JUST TO THE EAST OF THE CIRCULATION CENTER WITH MODEL FORECASTS
MOVING THIS FEATURE NWD AND KEEPING THE JET MAX JUST OFFSHORE FROM
NC AND VA THIS EVENING. HOWEVER...AN INCREASE IN LOW-LEVEL WIND
SPEEDS SHOULD OCCUR IN ERN NC AND ERN VA DUE TO THE PROXIMITY OF THE
JET THIS EVENING. THIS MAY RESULT IN A SLIGHT INCREASE OF THE
TORNADO THREAT BUT THE THREAT IS EXPECTED TO REMAIN ISOLATED.
..BROYLES.. 09/30/2010
ATTN...WFO...AKQ...MHX...LWX...RAH...ILM...
LAT...LON 34107748 34267793 34547799 35367774 35877750 36667722
37867671 38167606 38247563 37947534 37397529 35917527
35277530 34677601 34107748
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