Wednesday, July 24, 2013

MESO: Mesoscale Discussion 1509

ACUS11 KWNS 242308
SWOMCD
SPC MCD 242308
NDZ000-MTZ000-250045-

MESOSCALE DISCUSSION 1509
NWS STORM PREDICTION CENTER NORMAN OK
0608 PM CDT WED JUL 24 2013

AREAS AFFECTED...PORTIONS OF NRN MT AND WRN ND

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 242308Z - 250045Z

PROBABILITY OF WATCH ISSUANCE...60 PERCENT

SUMMARY...THE AREA IS BEING MONITORED FOR THE POSSIBLE ISSUANCE OF A
SVR TSTM WATCH.

DISCUSSION...WITH MULTIPLE SUPERCELL STRUCTURES WITH LIKELY LARGE
HAIL EVOLVING AND EXPECTED TO CONTINUE IN NERN MT...AND ADDITIONAL
UPSLOPE-RELATED CONVECTION DEVELOPING ALONG THE ROCKY MOUNTAIN
FRONT...CONVECTION WILL PERSIST DURING THE NEXT SEVERAL HOURS.
MODERATE/STRONG INSTABILITY AND STRONG DEEP SHEAR MAY SUPPORT LARGE
HAIL/DMGG WINDS...POTENTIALLY NECESSITATING A WW.

..COHEN/CORFIDI.. 07/24/2013

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

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

LAT...LON 46390437 47200753 47931198 48451312 49011290 49051026
48940795 48350497 47900406 46860328 46390437

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