SWOMCD
SPC MCD 131655
ILZ000-MOZ000-IAZ000-131800-
MESOSCALE DISCUSSION 0920
NWS STORM PREDICTION CENTER NORMAN OK
1155 AM CDT SUN JUN 13 2010
AREAS AFFECTED...CNTRL/NERN MO...W-CNTRL IL
CONCERNING...SEVERE POTENTIAL...SEVERE THUNDERSTORM WATCH LIKELY
VALID 131655Z - 131800Z
SEVERE THREAT WILL INCREASE WITH AT LEAST SCATTERED TSTM DEVELOPMENT
IS EXPECTED ACROSS THE MID-MS/LOWER MO VALLEYS. MODERATE TO STRONG
INSTABILITY AMIDST ENHANCED LOWER/MID-LEVEL SWLYS ON SRN PERIPHERY
OF MCV OVER IA SHOULD SUPPORT ORGANIZED MULTICELL CLUSTERS AND A FEW
SUPERCELL STRUCTURES. A WW WILL LIKELY BE ISSUED BY 18Z.
TSTM COVERAGE SHOULD INCREASE ACROSS NERN INTO CNTRL MO ON SRN
FRINGE OF FORCED ASCENT ASSOCIATED WITH MCV CURRENTLY OVER CNTRL IA
/PER RADAR AND SATELLITE IMAGERY/. AS DOWNSTREAM TEMPERATURES
CONTINUE TO WARM THROUGH THE 80S INTO THE LOWER 90S...MLCAPE VALUES
AOA 2500 J/KG WILL BECOME INCREASINGLY COMMON ALONG THE LOWER
MO/MIDDLE-MS VALLEYS. A BELT OF ENHANCED MID-LEVEL FLOW /EVIDENT IN
LATHROP MO PROFILER/ WILL SUPPORT EFFECTIVE SHEAR AROUND 25-30 KT
WITH NEARLY UNIDIRECTIONAL SWLYS. THIS SHOULD RESULT IN
MULTICELL/BRIEF SUPERCELL STRUCTURES...WITH DAMAGING WINDS AND
SEVERE HAIL AS THE PRIMARY THREATS.
..GRAMS.. 06/13/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...ILX...LSX...DVN...SGF...EAX...
LAT...LON 39159330 39979265 40729158 40639038 40358936 39678903
38808940 38049017 37739078 37719180 38249285 38639342
39159330
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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