SWOMCD
SPC MCD 271652
WVZ000-OHZ000-KYZ000-INZ000-271915-
MESOSCALE DISCUSSION 1145
NWS STORM PREDICTION CENTER NORMAN OK
1152 AM CDT SUN JUN 27 2010
AREAS AFFECTED...PORTIONS SRN OH...CENTRAL/ERN KY...WRN WV...SERN
INDIANA.
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 271652Z - 271915Z
SMALL CLUSTERS OF TSTMS MAY POSE SPORADIC DAMAGING WIND THREAT
ACROSS DISCUSSION AREA...WITH A FEW BOW FORMATIONS POSSIBLE.
COVERAGE FCST TO BE MORE ISOLATED TO WIDELY SCATTERED THAN FARTHER N
ACROSS WW 423...WHERE FOCI FOR ORGANIZED SVR ARE STRONGER ALONG WITH
MID-UPPER LEVEL SUPPORT.
TSTMS ARE INCREASING IN COVERAGE AND INTENSITY IN MULTICELL FORM
OVER E-CENTRAL KY...WITH WITH SOMEWHAT ORGANIZED CLUSTER APCHG CVG
AREA AT APPROXIMATELY 30-35 KT. FOREGOING AIR MASS IS DESTABILIZING
FAVORABLY AND SHOULD SUPPORT ADDITIONAL DEVELOPMENT AS WELL.
DEEP-LAYER WINDS AND VERTICAL SHEAR EACH WEAKEN CONSIDERABLY WITH
SWD EXTENT...AND WILL CONTINUE TO DO SO...ALTHOUGH SOME ENHANCEMENT
TO AMBIENT/GRADIENT WINDS ALOFT IS POSSIBLE AS UPPER MS VALLEY
SHORTWAVE TROUGH AND LOW-MIDLEVEL MCV OVER LM EACH MOVE EWD.
FORWARD-PROPAGATIONAL PROCESSES THEREFORE SHOULD BE DRIVEN LARGELY
BY LOCALIZED/UPSCALE GROWTH OF MULTICELLULAR COLD POOLS. THOSE WILL
FORCE ASCENT OF DIABATICALLY WARMING PRECONVECTIVE AIR MASS
CHARACTERIZED BY 70S F SFC DEW POINTS...MINIMAL CINH...AND MLCAPE
2000-3500 J/KG.
..EDWARDS.. 06/27/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...PBZ...RLX...CLE...JKL...ILN...LMK...IND...
LAT...LON 37048498 38028535 38988614 39758581 40508243 40288070
39028088 38268146 37498252 37048498
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.
No comments:
Post a Comment