[MCD] SWOMCD

Wed Aug 16 22:23:09 UTC 2006

ACUS11 KWNS 162224
SWOMCD
SPC MCD 162223 
WYZ000-MTZ000-IDZ000-170000-

MESOSCALE DISCUSSION 1824
NWS STORM PREDICTION CENTER NORMAN OK
0523 PM CDT WED AUG 16 2006

AREAS AFFECTED...CENTRAL/NORTHERN ID INTO WESTERN/SOUTHERN MT AND
NORTHERN WY

CONCERNING...SEVERE THUNDERSTORM WATCH 723...

VALID 162223Z - 170000Z

SEVERE THUNDERSTORM WATCH 723 REMAINS IN EFFECT UNTIL 03Z ACROSS
NORTHERN/CENTRAL ID AND WESTERN MT...WITH CONTINUED LARGE
HAIL/STRONG WIND GUST POTENTIAL. EAST OF WW 723...AN ISOLATED SEVERE
THREAT WILL ALSO EXIST THROUGH EARLY EVENING ACROSS CENTRAL/SOUTHERN
MT INTO NORTHERN WY. AN ADDITIONAL WATCH EAST OF WW 723 IS NOT
ANTICIPATED...HOWEVER WILL CONTINUE TO MONITOR TRENDS.

SCATTERED STRONG/SEVERE STORMS CONTINUE ACROSS CENTRAL/NORTHERN ID
AND WESTERN MT...WHERE STORMS HAVE PRIMARILY PRODUCED LARGE HAIL.
DOWNSTREAM OF POTENT UPPER TROUGH MOVING EASTWARD ACROSS
WA/ORE...COMBINATION OF MODERATE INSTABILITY OUTSIDE OF CONVECTIVE
OUTFLOWS...RELATIVELY STRONG VERTICAL SHEAR AND RELATIVELY COOL MID
LEVEL TEMPERATURES WILL REMAIN FAVORABLE FOR LARGE HAIL/STRONG WIND
GUSTS OVER THE NEXT SEVERAL HOURS.

EAST OF WW 723...OBSERVATIONAL/RUC DIAGNOSTICS SUGGEST THAT THE
AIRMASS QUALITY/POTENTIAL INSTABILITY DIMINISHES CONSIDERABLY WITH
EAST EXTENT ACROSS CENTRAL/SOUTHERN MT AND NORTHERN WY. WHILE
ISOLATED LARGE HAIL/FEW STRONG WIND GUSTS MAY BE POSSIBLE WITH THE
STRONGEST STORMS INTO THE LEWISTOWN/BILLINGS MT AREAS AND FAR
NORTHERN WY THROUGH EARLY EVENING...NO WATCH IS CURRENTLY
ANTICIPATED.

..GUYER.. 08/16/2006

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

ATTN...WFO...BYZ...GGW...RIW...TFX...PIH...MSO...BOI...OTX...

44521540 45921599 47421531 48351426 48561291 48060847
45790688 43780780 43911104 

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