[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 042344
SWOMCD
SPC MCD 042343 
IDZ000-MTZ000-ORZ000-WAZ000-050045-

MESOSCALE DISCUSSION 1889
NWS STORM PREDICTION CENTER NORMAN OK
0643 PM CDT WED AUG 04 2004

AREAS AFFECTED...CENTRAL/NERN ORE...SERN WA...AND NRN ID

CONCERNING...SEVERE THUNDERSTORM WATCH 709...

VALID 042343Z - 050045Z

CONTINUE WW.

SCATTERED STRONG/SEVERE THUNDERSTORMS CONTINUE FROM THE EAST SLOPES
OF THE CASCADES NEWD ACROSS NERN ORE INTO FAR SERN WA/NWRN ID.
MID-LEVEL TROUGH ROTATING NEWD ACROSS CENTRAL ORE WILL MAINTAIN
LARGE-SCALE ASCENT AND POTENTIAL FOR SEVERE THUNDERSTORMS DURING
NEXT FEW HOURS. STRONGEST CELLS OVER NRN UMATILLA COUNTY ORE AND
GARFIELD COUNTY WA WILL CONTINUE TRACKING GENERALLY 200/20-25KT. 

AIR MASS CONTINUES MARGINALLY UNSTABLE / MLCAPE 500-1000 J/KG / WITH
SEVERE THREAT DRIVEN LARGELY BY FAVORABLE SWLY SFC-6KM SHEAR /30-40
KT/. LONG-LIVED STORMS IN LOW WBZ HEIGHT AND STEEP MID-LEVEL LAPSE
RATE ENVIRONMENT WILL MAINTAIN THREAT OF SEVERE HAIL. AN ISOLATED
THREAT OF SEVERE STORMS MAY EXTEND INTO FAR ERN WA/NRN ID THIS
EVENING BEFORE BOUNDARY LAYER COOLING LEADS TO WEAKENING OF STORM
UPDRAFTS AFTER DARK.

..BANACOS.. 08/04/2004

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

ATTN...WFO...MSO...BOI...OTX...PDT...

43721904 43732183 45172152 46481999 47761819 47981714
47821606 47251559 45631611 

WWWW