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000
ACUS11 KWNS 240741
SWOMCD
SPC MCD 240741
NDZ000-MTZ000-240945-

MESOSCALE DISCUSSION 1455
NWS STORM PREDICTION CENTER NORMAN OK
0241 AM CDT THU JUL 24 2014

AREAS AFFECTED...PARTS OF ERN MT INTO NWRN ND

CONCERNING...SEVERE THUNDERSTORM WATCH 437...

VALID 240741Z - 240945Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 437
CONTINUES.

SUMMARY...A BAND OF STORMS -- INCLUDING EMBEDDED STRONG/SEVERE CELLS
-- CONTINUES MOVING ENEWD ACROSS NERN MT...WITHIN WW 437.  ISOLATED
SEVERE RISK MAY SPREAD EWD INTO NWRN ND OVER THE NEXT FEW
HOURS...WHERE NEED FOR A NEW WW REMAINS UNCERTAIN.

DISCUSSION...LATEST RADAR IMAGERY SHOWS A BAND OF STRONG/LOCALLY
SEVERE STORMS MOVING ACROSS PHILLIPS/GARFIELD COUNTIES AND INTO
VALLEY COUNTY MT ATTM...WITH THE STRONGEST STORMS NOW ON THE SRN
EDGE OF THE BAND /OVER GARFIELD COUNTY/.  DAMAGING WINDS AND LARGE
HAIL REMAIN POSSIBLE WITH THESE STORMS -- PARTICULARLY THE
NEWLY-EVOLVING GARFIELD COUNTY CELLS.

THE STORMS -- SLIGHTLY ELEVATED ATTM ABOVE A STABILIZING BOUNDARY
LAYER -- ARE MOVING THROUGH THE AXIS OF GREATEST MIXED-LAYER CAPE
ATTM /PER OBJECTIVE ANALYSES/.  THAT SAID...AMPLE ELEVATED CAPE
STILL RESIDES DOWNSTREAM INTO ND.  GIVEN ONGOING WARM ADVECTION
ASSOCIATED WITH A SLY LOW-LEVEL JET SUPPORTING BACKGROUND ASCENT
ACROSS THIS AREA...ISOLATED SEVERE STORMS /CAPABLE OF PRODUCING
LARGE HAIL/ MAY INDEED SURVIVE/SPREAD ACROSS NWRN ND IN THE NEXT
SEVERAL HOURS -- WHICH COULD REQUIRE DOWNSTREAM WW CONSIDERATION.

..GOSS/CORFIDI.. 07/24/2014

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

ATTN...WFO...BIS...GGW...TFX...

LAT...LON   46880737 49000867 49040412 48910212 48370060 47960048
            47550090 47550209 47370484 46900580 46880737