|
Mesoscale Discussion 254 |
< Previous MD Next MD >
|
|
MESOSCALE DISCUSSION 0254
NWS STORM PREDICTION CENTER NORMAN OK
0406 PM CDT THU APR 09 2015
AREAS AFFECTED...NERN GA...MUCH OF SC...WRN AND CNTRL NC...FAR SRN
VA
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 092106Z - 092200Z
PROBABILITY OF WATCH ISSUANCE...5 PERCENT
SUMMARY...ISOLATED SEVERE STORMS POSSIBLE. GIVEN BRIEF...ERRATIC
NATURE OF THE THREAT WW NOT EXPECTED.
DISCUSSION...ISOLATED THUNDERSTORMS HAVE DEVELOPED ACROSS THE
DISCUSSION AREA ALONG HIGHER ELEVATIONS OF THE SOUTHERN APPALACHIANS
AND ALSO ALONG AND IMMEDIATELY SOUTH OF A STALLED FRONTAL BOUNDARY
ACROSS CENTRAL NC. STORMS ARE FORMING IN AN ENVIRONMENT
CHARACTERIZED BY AMPLE INSTABILITY /MUCAPE IN EXCESS OF 1000-1500
J/KG/ BUT VERY WEAK DEEP LAYER SHEAR AOB 20 KNOTS. THE WEAK SHEAR
SHOULD LIMIT ANY ORGANIZATION TO JUST BRIEF DOWNBURSTS THAT MAY
APPROACH SEVERE LIMITS ON A VERY ISOLATED BASIS. STORMS SHOULD ALSO
WEAKEN AFTER SUNSET DUE TO LOSS OF DAYTIME HEATING. ANY HAIL OR
WIND DAMAGE IS EXPECTED TO BE VERY ISOLATED/SPORADIC IN
NATURE...THUS PRECLUDING WW ISSUANCE FOR THIS AREA.
..COOK/HART.. 04/09/2015
ATTN...WFO...RAH...ILM...RNK...CHS...CAE...GSP...MRX...FFC...
LAT...LON 35558322 36218240 36858140 36788026 36367864 35527824
34917837 34497863 33987897 33487947 33258006 33178072
33278172 33378268 33658325 34278362 34758353 35558322
|
Top/All Mesoscale Discussions/Forecast Products/Home
|
|