008
WGUS65 KMSO 081046
FFAMSO
URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MISSOULA MT
446 AM MDT FRI AUG 8 2008
IDC059-081600-
/O.NEW.KMSO.FF.A.0003.080808T1600Z-080809T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LEMHI-
446 AM MDT FRI AUG 8 2008
...FLASH FLOOD WATCH IN EFFECT FROM 10 AM MDT THIS MORNING
THROUGH THIS EVENING...
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
* FLASH FLOOD WATCH FOR A PORTION OF NORTH CENTRAL IDAHO...
INCLUDING THE FOLLOWING COUNTY...LEMHI.
* FROM 10 AM MDT THIS MORNING THROUGH MIDNIGHT TONIGHT
* STRONG THUNDERSTORMS WILL DEVELOP THROUGHOUT THE DAY AS WAVES OF
INSTABILITY INTERACT WITH AN INCREASINGLY MOIST ATMOSPHERE.
OBSERVED AND FORECAST SOUNDING DATA INDICATE THAT SOUTHWESTERLY
FLOW ALOFT WILL CONTINUE TO BRING A DEEP FETCH OF MONSOONAL
MOISTURE ACROSS EAST CENTRAL IDAHO WITH PRECIPITABLE WATER
VALUES REACHING BETWEEN 1.00 AND 1.25 INCHES THIS AFTERNOON AND
EVENING. GIVEN WEAK STEERING FLOW ALOFT THUNDERSTORMS WHICH DEVELOP
TODAY WILL BE CAPABLE OF PRODUCING HEAVY RAINFALL IN VERY SHORT
PERIODS OF TIME.
* AREAS WHICH MAY BE IMPACTED BY FLASH FLOODING INCLUDE...BUT ARE
NOT LIMITED TO...LOCATIONS ALONG HIGHWAY 93...NORTH FORK OF THE
SALMON RIVER TO THE LEMHI/IDAHO COUNTY LINE...HALE GULCH BURN
AREA EAST OF SHOUP.
A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.
DICKERSON
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