SWOMCD
SPC MCD 100337
NCZ000-SCZ000-TNZ000-GAZ000-100430-
MESOSCALE DISCUSSION 0849
NWS STORM PREDICTION CENTER NORMAN OK
1037 PM CDT FRI MAY 09 2008
AREAS AFFECTED...FAR ERN TN...WRN NC
CONCERNING...SEVERE THUNDERSTORM WATCH 290...
VALID 100337Z - 100430Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 290
CONTINUES.
OVERALL WEAKENING TREND CONTINUES AS MAIN CONVECTION SPREADS ACROSS
THE MOUNTAINS...WITH SVR THREAT APPARENTLY ENDING OVER ERN TN.
HOWEVER...ENVIRONMENT EAST OF THE HIGHER TERRAIN MAY SUPPORT RENEWED
DEVELOPMENT/INTENSIFICATION AS THUNDERSTORMS SPREAD INTO THE WRN NC
AND FAR NWRN SC. CONTINUE VALID PORTIONS OF WW.
MUCAPE AROUND 500 J/KG IS CURRENTLY IN PLACE ACROSS WW WITH
EFFECTIVE SHEAR AROUND 40 KT. SURFACE PARCELS APPEAR TO BE CAPPED
LATE THIS EVENING...ALTHOUGH EVENING SOUNDINGS INDICATE REGION
REMAINS UNDER VERY STEEP ELEVATED MIXED-LAYER WITH H7-H5 LAPSE RATES
IN EXCESS OF 7.5-8 C/KM. IN ADDITION REGION IS LIKELY BEING
IMPACTED BY SHORTWAVE TROUGH MOVING ACROSS THE CENTRAL APPALACHIANS
ATTM. POTENTIAL WILL REMAIN FOR STRONGER CORES TO REINTENSIFY OR
NEW DEVELOPMENT TO OCCUR AS TAIL END OF DEEPER ASCENT OVERSPREADS
EAST OF THE HIGHER TERRAIN WITH PRIMARY THREAT OF LARGE HAIL.
..EVANS.. 05/10/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...RAH...RNK...CAE...GSP...MRX...FFC...
35008447 35628429 36168353 35978043 34658058
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@PO.UIUC.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.
No comments:
Post a Comment