[MCD] SWOMCD

Mon Nov 28 00:01:13 UTC 2005

ACUS11 KWNS 272359
SWOMCD
SPC MCD 272358 
MOZ000-KSZ000-NEZ000-280130-

MESOSCALE DISCUSSION 2480
NWS STORM PREDICTION CENTER NORMAN OK
0558 PM CST SUN NOV 27 2005

AREAS AFFECTED...EXTREME ERN KS THROUGH WRN AND CNTRL MO

CONCERNING...TORNADO WATCH 875...877...

VALID 272358Z - 280130Z

THREAT FOR ISOLATED DAMAGING WIND AND TORNADOES SHOULD PERSIST THIS
EVENING INITIALLY OVER WRN MO AND EXTREME NE KS...SUBSEQUENTLY
SPREADING INTO CNTRL MO.

EARLY THIS EVENING A WARM FRONT EXTENDS FROM A SURFACE LOW IN N
CNTRL KS EWD THROUGH NRN MO. DRY LINE HAS SURGED EWD AND EXTENDS
FROM NERN KS SWWD THROUGH EXTREME ERN KS. AXIS OF STRONGEST
INSTABILITY WITH MLCAPE FROM 500 TO 1000 J/KG CURRENTLY EXTENDS
ACROSS WRN MO. STORMS THAT INITIATED ALONG THE DRYLINE HAVE
INTENSIFIED ACROSS SWRN MO. OTHER SEVERE STORMS PERSIST OVER NWRN
MO. THESE STORMS WILL LIKELY REMAIN CAPABLE OF PRODUCING
TORNADOES...LARGE HAIL...AND DAMAGING WIND AS THEY MOVE THROUGH THE
INSTABILITY AXIS WHERE VERY STRONG VERTICAL SHEAR WILL CONTINUE TO
SUPPORT SUPERCELLS AND LINES WITH LEWP/BOW ECHO STRUCTURES.
INSTABILITY IS MORE MARGINAL WITH EWD EXTENT INTO MO AND OVER THE
ERN PART OF WW 877. HOWEVER...STRONG ASCENT AND COOLING ALOFT WITHIN
THE EXIT REGION OF THE 100+ KT UPPER JET AND LOW LEVEL THETA-E
ADVECTION WILL SUPPORT SOME EWD DESTABILIZATION WITH TIME.

..DIAL.. 11/27/2005

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

ATTN...WFO...LSX...SGF...EAX...OAX...TOP...

36529406 38189434 39079494 39679572 40499512 40209303
38769165 36949136 

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