[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 200024
SWOMCD
SPC MCD 200024 
IDZ000-MTZ000-ORZ000-WAZ000-200200-

MESOSCALE DISCUSSION 1738
NWS STORM PREDICTION CENTER NORMAN OK
0724 PM CDT MON JUL 19 2004

AREAS AFFECTED...ERN ORE...FAR SERN WA...CENTRAL ID...AND FAR WRN MT

CONCERNING...SEVERE THUNDERSTORM WATCH 656...

VALID 200024Z - 200200Z

CONTINUE WW.

AT 21/0010Z...SUPERCELL THUNDERSTORMS WERE LOCATED OVER BAKER COUNTY
ORE WITH OTHER SCATTERED STRONG TO SEVERE STORMS EXTENDING FROM
IDAHO COUNTY ID SWWD TO 40W BOI. CELL MOTION WAS GENERALLY 225/25
KT.

MID-LEVEL TROUGH CONTINUES TO LIFT NNEWD ACROSS CENTRAL
ORE...EMBEDDED IN BROADER BAND OF SWLY 40-45KT 500MB FLOW. THE 21Z
RUC INDICATES MID-LEVEL HEIGHT FALLS AND THERMAL TROUGHING MOVING
ENEWD ACROSS THE WATCH AREA...WHICH SHOULD SUSTAIN LARGE-SCALE
SUPPORT FOR SCATTERED TO NUMEROUS THUNDERSTORMS ACROSS CENTRAL ID
AND INTO FAR WRN MT THROUGH THE EVENING HOURS. INSTABILITY REMAINS
SUFFICIENT FOR SEVERE CONVECTION...WITH AXIS OF 100MB MLCAPE OF
1000-1500 J/KG EXTENDING FROM FAR ERN ORE NEWD INTO WRN MT. COMBINED
WITH SUFFICIENT DEEP-LAYER SHEAR AND SIGNIFICANT MOISTURE /DEWPOINTS
IN THE UPPER 50S TO LOW 60S/...THREAT FOR ISOLATED SUPERCELLS WITH
LARGE HAIL AND DAMAGING WINDS SHOULD CONTINUE THROUGH THE NEXT
SEVERAL HOURS. HIGHEST CONCENTRATION OF SEVERE STORMS WILL GRADUAL
SHIFT FROM NERN ORE INTO CENTRAL ID/FAR WRN MT THROUGH 03Z.

..BANACOS.. 07/20/2004

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

ATTN...WFO...PIH...MSO...BOI...OTX...PDT...MFR...

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