SWOMCD
SPC MCD 141933
KSZ000-TXZ000-OKZ000-142130-
MESOSCALE DISCUSSION 1151
NWS STORM PREDICTION CENTER NORMAN OK
0233 PM CDT THU JUN 14 2007
AREAS AFFECTED...WRN KS...ERN OK/NERN TX PANHANDLES
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 141933Z - 142130Z
AIRMASS CONTINUES TO DESTABILIZE OVER THE AREA INVOF OF UPPER LOW
CENTER. A COMBINATION OF ENHANCED VORTICITY INVOF OF THE UPPER LOW
AND ASSOCIATED SFC TROUGH WITH INCREASING INSTABILITY MAY SUPPORT A
BRIEF/WEAK TORNADO THIS AFTERNOON.
LATEST SFC ANALYSIS PLACES A 1009 MB LOW CENTERED OVER THE ERN OK
PANHANDLE. A SFC TROUGH EXTENDED NWD FROM THIS LOW ACROSS WRN KS AND
SWD INTO THE NERN TX PANHANDLE. VISIBLE SAT IMAGERY INDICATED
SUBSTANTIAL BREAKS IN THE LOW-MID CLOUD COVER OVER WRN KS WHICH WAS
AIDING IN DESTABILIZATION THE LAST 2 HOURS. ADDITIONAL
DESTABILIZATION SHOULD OCCUR OVER THE NEXT SEVERAL HOURS...WITH
AROUND 1000 J/KG OF MLCAPE AND LITTLE REMAINING MLCINH BY 21Z. THUS
TSTMS SHOULD CONTINUE TO DEVELOP AND INTENSIFY ACROSS WRN KS...ERN
OK/NERN TX PANHANDLES OVER THE NEXT SEVERAL HOURS. GIVEN THE
PRESENCE OF ENHANCED LOW LEVEL VORTICITY INVOF OF THE SFC LOW AND
SFC TROUGH ALONG WITH HIGH VALUES 0-3 KM MLCAPE VALUE /150-200 J/KG/
AN ISOLATED BRIEF/WEAK TORNADO AND/OR LANDSPOUT WILL BE POSSIBLE
WITH THE STRONGEST UPDRAFTS.
.CROSBIE.. 06/14/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GID...DDC...GLD...AMA...
38940006 39329940 39909962 39919949 39840049 39370110
38480169 37660165 36000107 35920066 36310020 37370037
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