MESO: Mesoscale Discussion 1291

ACUS11 KWNS 262021
SWOMCD
SPC MCD 262021
MTZ000-262115-

MESOSCALE DISCUSSION 1291
NWS STORM PREDICTION CENTER NORMAN OK
0321 PM CDT TUE JUN 26 2012

AREAS AFFECTED...PORTIONS OF WESTERN AND N-CNTRL MT

CONCERNING...SEVERE THUNDERSTORM WATCH 431...

VALID 262021Z - 262115Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 431
CONTINUES.

SUMMARY...SEVERE THREAT CONTINUES FOR NORTHERN CHOUTEAU...HILL AND
BLAINE COUNTIES IN NORTH CENTRAL MT. SVR WATCH 431 MAY BE CLEARED
FOR REMAINING COUNTIES.

DISCUSSION...A LINE OF STORMS WAS MOVING INTO HILL AND NORTHERN
CHOUTEAU COUNTIES AS OF 2015Z. THIS LINE OF STORMS WILL CONTINUE
NORTHEASTWARD AND AFFECT HILL AND NORTHWESTERN BLAINE COUNTIES OVER
THE NEXT HOUR OR TWO BEFORE MOVING ACROSS THE INTERNATIONAL BORDER.
BEHIND THIS LINE OF STORMS...THE AIRMASS HAS DRIED CONSIDERABLY AND
SFC WINDS HAVE VEERED TO THE WEST...EFFECTIVELY ENDING THE SEVERE
THREAT. COUNTIES TO THE WEST OF THE LINE OF STORMS MAY BE CLEARED
FROM THE WATCH BY LOCAL WFO.

..LEITMAN.. 06/26/2012

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

ATTN...WFO...GGW...TFX...MSO...

LAT...LON 48591326 49480917 47600858 46741265 48591326

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