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Mesoscale Discussion 1405 |
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MESOSCALE DISCUSSION 1405
NWS STORM PREDICTION CENTER NORMAN OK
0529 PM CDT SUN JUN 26 2011
AREAS AFFECTED...WRN TN...FAR NRN MS...CNTRL AL...NRN GA...NRN SC
INTO S-CNTRL NC
CONCERNING...SEVERE THUNDERSTORM WATCH 555...556...
VALID 262229Z - 262315Z
CORRECTED FOR GRAPHIC
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
555...556...CONTINUES.
THE MAIN SEVERE THREAT WILL CONTINUE OVER ERN PORTIONS OF WATCH 555
AND WESTERN PORTIONS OF WATCH 556 FROM CNTRL AL INTO NRN GA AS
ONGOING BOWING CLUSTER OF STORMS CONTINUES TO TRACK/DEVELOP E/SEWD
ALONG OUTFLOW BOUNDARY. THE MAIN THREAT WILL CONTINUE TO BE DAMAGING
WINDS WITH SOME MARGINALLY SEVERE HAIL POSSIBLE AS WELL.
MORE UNCERTAINTY REMAINS ON THE PERIPHERY OF BOTH WATCHES. TO THE
E...ACROSS PARTS OF NRN SC AND S-CNTRL NC DEEP LAYER SHEAR IS VERY
WEAK...ON THE ORDER OF ONLY 15 KT AND MCS MAINTENANCE IS UNLIKELY
INTO THIS AREA SO PULSE-TYPE SEVERE FROM DAYTIME HEATING AND A
MODERATELY UNSTABLE ATMOSPHERE MAY BE THE MAIN DEVELOPMENT ACROSS
THIS REGION WITH LITTLE TO FOCUS ORGANIZED SEVERE STORMS. THIS HAS
BEEN EVIDENT BASED ON RADAR TRENDS THE LAST HOUR OR TWO AND ALSO
BASED ON VIS SAT PRESENTATION OF THE CU FIELD. ACROSS WRN PORTIONS
OF WATCH 555...THE MAIN THREAT MAY BE FROM STORMS CURRENTLY ACROSS
SERN MO. SHOULD THESE STORMS MAINTAIN ORGANIZATION...THEY COULD
TRACK SEWD ALONG RESIDUAL OUTFLOW BOUNDARY INTO WRN TN AND
EVENTUALLY NRN MS LATER THIS EVENING.
..LEITMAN.. 06/26/2011
ATTN...WFO...RAH...CAE...GSP...MRX...FFC...OHX...BMX...HUN...
MEG...JAN...
LAT...LON 35909027 35378564 35898049 34158037 33148530 33979021
35909027
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