|
Mesoscale Discussion 1204 |
< Previous MD Next MD >
|
|
MESOSCALE DISCUSSION 1204
NWS STORM PREDICTION CENTER NORMAN OK
0705 PM CDT FRI JUN 26 2015
AREAS AFFECTED...WV...ERN KY...WRN VA
CONCERNING...SEVERE THUNDERSTORM WATCH 363...
VALID 270005Z - 270130Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 363
CONTINUES.
SUMMARY...THREE AREAS OF PRIMARY SEVERE STORM CONCERN REMAIN EVIDENT
WITHIN/NEAR WW 363. THE AREA DOWNSTREAM OF A WEAKENING SUPERCELL
OVER NRN WV IS BEING MONITORED FOR POSSIBLE WFO EXTENSION.
DISCUSSION...LOW-LEVEL MESOCYCLONE HAS SUBSTANTIALLY WEAKENED IN THE
PAST HALF HOUR WITH A LONG-TRACK SUPERCELL NOW CENTERED OVER ROANE
COUNTY WV EVOLVING INTO MORE OF A STORM-SCALE BOW. DOWNSTREAM AIR
MASS IS RELATIVELY COOL WELL N OF THE SURFACE COLD FRONT ACROSS SRN
NC. WHILE A RISK FOR DAMAGING WINDS SHOULD EVOLVE E/SEWD DURING THE
NEXT COUPLE OF HOURS...THE OVERALL THREAT MAY DIMINISH AFTER ABOUT
02Z AS NOCTURNAL SURFACE STABILIZATION INCREASES.
UPSTREAM...A CLUSTER NEAR THE OH RIVER IN SWRN OH/NERN KY MAY
CONTINUE EWD ALONG THE REMNANT OUTFLOW IN THE WAKE OF THE LEAD WV
STORM. THIS ACTIVITY SHOULD HAVE A STRONGER PUSH OF MID-LEVEL WLYS
IN CLOSER PROXIMITY TO THE IL SHORTWAVE TROUGH WHICH MAY SUSTAIN A
LOCALIZED DAMAGING WIND RISK DESPITE MARGINAL LAPSE RATES.
FARTHER S...CLUSTERS ALONG THE KY/TN BORDER AREA MAY YET DEVELOP
INTO A LOCALIZED DAMAGING WIND RISK ALONG THE SRN PERIPHERY OF WW
363.
..GRAMS.. 06/27/2015
ATTN...WFO...LWX...RNK...RLX...MRX...JKL...ILN...LMK...
LAT...LON 39008335 38538381 38158396 37268421 36818454 36728432
36638392 36638249 36608212 37018206 37778259 38018237
38068166 37948072 37897969 38177943 38447946 38737990
39088091 39198206 39008335
|
Top/All Mesoscale Discussions/Forecast Products/Home
|
|