MESO: Mesoscale Discussion 0989

ACUS11 KWNS 071527
SWOMCD
SPC MCD 071526
NCZ000-VAZ000-071630-

MESOSCALE DISCUSSION 0989
NWS STORM PREDICTION CENTER NORMAN OK
1026 AM CDT FRI JUN 07 2013

AREAS AFFECTED...ERN NC...SERN VA

CONCERNING...TORNADO WATCH 285...

VALID 071526Z - 071630Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 285 CONTINUES.

SUMMARY...ISOLATED TORNADO THREAT CONTINUES ACROSS ERN NC INTO SERN
VA.

DISCUSSION...REMNANTS OF TROPICAL STORM ANDREA HAVE PROGRESSED
ACROSS SC WITH CENTER OF CIRCULATION NOW EVIDENT ALONG THE NC/SC
BORDER ABOUT 25 NNE FLO. STRONGEST SHEAR REMAINS ACROSS ERN
HEMISPHERE OF THIS SYSTEM...ESPECIALLY OVER ERN NC INTO SERN VA
WHERE SFC DEW POINTS REMAIN HIGH...MID 70S. ALTHOUGH LATEST
DIAGNOSTIC DATA SUGGESTS SUFFICIENT BUOYANCY FOR DEEP CONVECTION
CAPABLE OF PRODUCING LIGHTNING...TSTM ACTIVITY IS QUITE SPARSE WITH
THE CONVECTION AHEAD OF THE LOW CIRCULATION. PARTIAL HEATING SHOULD
CONTRIBUTE TO ADDITIONAL INSTABILITY AND CONVECTION IS EXPECTED TO
GRADUALLY INCREASE...WITH MORE ROBUST UPDRAFTS POSSIBLE...AS THE DAY
PROGRESSES. ISOLATED TORNADO THREAT CONTINUES.

..DARROW.. 06/07/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...AKQ...MHX...RAH...ILM...

LAT...LON 37197673 37187383 34557608 34537890 37197673

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