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Mesoscale Discussion 1355 |
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MESOSCALE DISCUSSION 1355
NWS STORM PREDICTION CENTER NORMAN OK
1244 PM CDT FRI JUL 10 2015
AREAS AFFECTED...KY INTO WV/FAR SOUTHERN OH/FAR WESTERN VA
CONCERNING...SEVERE THUNDERSTORM WATCH 400...
VALID 101744Z - 101915Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 400
CONTINUES.
SUMMARY...DAMAGING WINDS WILL REMAIN THE PRIMARY HAZARD PARTICULARLY
WITHIN A CORRIDOR ACROSS FAR EASTERN KY INTO WV/EXTREME
SOUTH-CENTRAL OH...WHILE OTHER STRONG/SEVERE THUNDERSTORMS SHOULD
ALSO INCREASE THIS AFTERNOON ACROSS ADDITIONAL PORTIONS OF KY.
SEVERE THUNDERSTORM WATCH 400 CONTINUES UNTIL 20Z.
DISCUSSION...A FAST EAST/NORTHEASTWARD-MOVING BOW ECHO WITH PRIOR
HISTORY OF WIND DAMAGE CONTINUES TO MOVE ACROSS FAR
EAST-CENTRAL/NORTHEAST KY AS OF 1730Z. DOWNSTREAM DESTABILIZATION
ALONG/SOUTH OF A WEST-EAST FRONT/ZONE OF DIFFERENTIAL HEATING AND A
RELATIVELY STRONG WIND FIELD WILL CONTINUE TO SUPPORT DAMAGING WIND
POTENTIAL PARTICULARLY ACROSS REMAINING PARTS OF
NORTHEAST/EAST-CENTRAL KY INTO WV/EXTREME SOUTH-CENTRAL OH. THE
LATEST WSR-88D VWP DATA FROM LOUISVILLE IS SAMPLING 40-50 KT REAR
INFLOW BETWEEN 2-6 KM AGL.
CURRENT FAR EASTERN KY BOW ECHO ASIDE...ADDITIONAL STRONG/SEVERE
THUNDERSTORM DEVELOPMENT IS LIKELY TO CONTINUE TO OCCUR ALONG /AND
PERHAPS EVEN A LITTLE NORTH OF/ TRAILING OUTFLOW THAT CURRENTLY
EXTENDS SOUTHWEST-NORTHEASTWARD ACROSS CENTRAL/SOUTHWEST KY...WHERE
MLCAPE IS BETWEEN 1000-2000 J/KG. CONVECTIVE TRENDS WILL CONTINUE TO
BE MONITORED FOR THE POSSIBILITY OF AN ADDITIONAL SEVERE
THUNDERSTORM WATCH AND/OR RECOMMENDATIONS OF SPATIAL EXTENSION.
..GUYER.. 07/10/2015
ATTN...WFO...RLX...JKL...ILN...LMK...PAH...
LAT...LON 38138424 38768405 38588169 37838138 36988470 37008767
37518756 38038527 38138424
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