MESO: Mesoscale Discussion 1901

ACUS11 KWNS 061903
SWOMCD
SPC MCD 061903
ILZ000-MOZ000-062000-

MESOSCALE DISCUSSION 1901
NWS STORM PREDICTION CENTER NORMAN OK
0203 PM CDT THU SEP 06 2012

AREAS AFFECTED...SRN MO

CONCERNING...SEVERE THUNDERSTORM WATCH 625...

VALID 061903Z - 062000Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 625
CONTINUES.

SUMMARY...SCATTERED DAMAGING WINDS WILL REMAIN THE PRIMARY THREAT
WITH MCS EVOLVING E/SEWD FROM S-CNTRL TO SERN MO.

DISCUSSION...TSTM CLUSTER HAS INCREASED IN N/S SPATIAL EXTENT AND
GROWN INTO A SHORT-LINE SEGMENT CENTERED FROM MORGAN TO WEBSTER
COUNTIES. ADDITIONAL TSTMS HAVE FORMED ALONG THE QUASI-STATIONARY
FRONT INVOF OF VIH...AND WILL LIKELY MERGE WITH THE LINE-SEGMENT BY
20-21Z. THIS PROCESS OF CONGLOMERATION AND DOWNSTREAM CU APPEARANCE
AMIDST A LARGELY WLY MID-LEVEL FLOW SHOULD FOSTER AN E/SEWD
PROPAGATION AS THE COLD POOL FURTHER MATURES.

..GRAMS.. 09/06/2012

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

ATTN...WFO...PAH...LSX...SGF...

LAT...LON 38839223 38919074 38779011 38088954 37678929 37278935
36978947 36758991 36569031 36569092 36669212 37029289
37859254 38519265 38839223

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