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000
FLUS45 KMSO 120917
HWOMSO

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
317 AM MDT TUE MAY 12 2009

MTZ003-122130-
FLATHEAD/MISSION VALLEYS-
317 AM MDT TUE MAY 12 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

A COLD AND VIGOROUS TROUGH OF LOW PRESSURE WILL IMPACT WESTERN
MONTANA TODAY. AS COLDER AIR SURGES INTO THE REGION...WEST TO
SOUTHWEST WINDS WILL INCREASE TO 15 TO 25 MPH WITH GUSTS TO 35 MPH
POSSIBLE IN THE FLATHEAD AND MISSION VALLEYS. THIS WILL CREATE
CHOPPY CONDITIONS ON FLATHEAD LAKE. BOATERS AND OTHER MARINE
INTERESTS SHOULD STAY TUNED TO THE LATEST FORECAST AND WEATHER
CONDITIONS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER APPEARS LOW AT
THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$









000
FLUS45 KMSO 112053
HWOMSO

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
253 PM MDT MON MAY 11 2009

MTZ003-121100-
FLATHEAD/MISSION VALLEYS-
253 PM MDT MON MAY 11 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
MONTANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

AN AREA OF SHOWERS AND ISOLATED THUNDERSTORMS WILL SHIFT EAST OF
THE DIVIDE EARLY THIS EVENING WITH SOME DRYING OVERNIGHT.
HOWEVER...A FEW WIND GUSTS TO 35 MPH AND SMALL HAIL IS POSSIBLE
WITH SOME OF THE SHOWERS THROUGH LATE THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ON TUESDAY...A COLD AND VIGOROUS TROUGH OF LOW PRESSURE WILL
IMPACT WESTERN MONTANA TUESDAY. AS COLDER AIR SURGES INTO THE
REGION...WEST TO SOUTHWEST WINDS SHOULD INCREASE TO 15 TO 25 MPH
WITH GUSTS TO 35 MPH POSSIBLE IN THE FLATHEAD AND MISSION VALLEYS.
BOATERS AND OTHER MARINE INTERESTS ON FLATHEAD LAKE SHOULD STAY
TUNED TO THE LATEST FORECAST AND WEATHER CONDITIONS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$














000
FLUS45 KMSO 110924
HWOMSO

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
324 AM MDT MON MAY 11 2009

MTZ001>004-112300-
KOOTENAI/CABINET REGION-WEST GLACIER REGION-
FLATHEAD/MISSION VALLEYS-LOWER CLARK FORK REGION-
324 AM MDT MON MAY 11 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
MONTANA AND WEST CENTRAL MONTANA.

.DAY ONE...TODAY AND TONIGHT

A STRONG UPPER LEVEL JET STREAM WILL ENTER THE REGION
TODAY...BRINGING GUSTY SOUTHWEST TO WEST WINDS AND SHOWERS TO THE
AREA. FLATHEAD LAKE AND THE HIGHER TERRAIN MAY SEE WIND GUSTS UP TO
30 MPH THIS AFTERNOON AND EVENING. BOATERS ON THE LAKE AND
TRAVELERS OVER MOUNTAIN PASSES SHOULD BE PREPARED FOR STRONG
GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ON TUESDAY...A COLD TROUGH OF LOW PRESSURE WILL PASS THROUGH THE
AREA. WINDY CONDITIONS ARE EXPECTED AREA WIDE WITH WIND GUSTS OF
30 TO 40 MPH POSSIBLE. SNOW LEVELS WILL BE LOWERING AND BRINGING
SNOW TO THE MOUNTAIN PASSES...WHERE THE COMBINATION OF SNOW AND
WIND MAY CAUSE BLOWING SNOW AND REDUCED VISIBILITY. SLUSHY AND
SLICK ROADS ARE POSSIBLE FROM LIGHT SNOW ACCUMULATIONS OVER
LOOKOUT AND MARIAS PASSES.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

IDZ006-009-010-MTZ005>007-043-112300-
SOUTHERN CLEARWATER MOUNTAINS-WESTERN LEMHI COUNTY-
EASTERN LEMHI COUNTY-MISSOULA/BITTERROOT VALLEYS-
BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/BLACKFOOT REGION-
POTOMAC/SEELEY LAKE REGION-
324 AM MDT MON MAY 11 2009 /224 AM PDT MON MAY 11 2009/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
IDAHO AND WEST CENTRAL MONTANA.

.DAY ONE...TODAY AND TONIGHT

A STRONG UPPER LEVEL JET STREAM WILL ENTER THE REGION
TODAY...BRINGING GUSTY SOUTHWEST TO WEST WINDS AND SHOWERS TO
THE AREA. ISOLATED THUNDERSTORMS...CAPABLE OF PRODUCING GUSTY
WINDS AND BRIEF HEAVY RAINFALL ARE POSSIBLE THIS AFTERNOON AND
EVENING AS THE ATMOSPHERE DESTABILIZES.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ON TUESDAY...A COLD TROUGH OF LOW PRESSURE WILL PASS THROUGH THE
AREA. WINDY CONDITIONS ARE EXPECTED AREA WIDE WITH WIND GUSTS OF
30 TO 40 MPH POSSIBLE. SNOW LEVELS WILL BE LOWERING AND BRINGING
SNOW TO THE MOUNTAIN PASSES...WHERE THE COMBINATION OF SNOW AND WIND
MAY CAUSE BLOWING SNOW AND REDUCED VISIBILITY. SLUSHY AND SLICK
ROADS ARE POSSIBLE FROM LIGHT SNOW ACCUMULATIONS OVER LOLO...LOST
TRAIL AND MACDONALD PASSES.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$













000
FLUS45 KMSO 102017
HWOMSO

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
217 PM MDT SUN MAY 10 2009

MTZ001>004-111130-
KOOTENAI/CABINET REGION-WEST GLACIER REGION-
FLATHEAD/MISSION VALLEYS-LOWER CLARK FORK REGION-
217 PM MDT SUN MAY 10 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
MONTANA AND WEST CENTRAL MONTANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED.

SEE NEXT SECTION FOR HAZARDOUS WEATHER OUTLOOK.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A STRONG UPPER LEVEL JET STREAM WILL ENTER THE REGION
MONDAY...BRINGING GUSTY SOUTHWEST TO WEST WINDS AND SHOWERS TO THE
AREA. FLATHEAD LAKE AND THE HIGHER TERRAIN MAY SEE WIND GUSTS OF
30 MPH DURING THE AFTERNOON AND EVENING HOURS. BOATERS AND
TRAVELERS OVER MOUNTAIN PASSES SHOULD BE ALERT TO STRONG GUSTY
WINDS.

ON TUESDAY...A COLD TROUGH OF LOW PRESSURE WILL PASS THROUGH THE
AREA. WINDY CONDITIONS ARE EXPECTED AREA WIDE WITH WIND GUSTS OF
30 TO 40 MPH POSSIBLE. SNOW LEVELS WILL BE LOWERING AND BRINGING
SNOW TO THE MOUNTAIN PASSES...WHERE THE COMBINATION OF SNOW AND
WIND MAY CAUSE BLOWING SNOW AND REDUCED VISIBILITY. SLUSHY AND
SLICK ROADS ARE POSSIBLE FROM LIGHT SNOW ACCUMULATIONS OVER
LOOKOUT AND MARIAS PASSES.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

IDZ006-009-010-MTZ005>007-043-111130-
SOUTHERN CLEARWATER MOUNTAINS-WESTERN LEMHI COUNTY-
EASTERN LEMHI COUNTY-MISSOULA/BITTERROOT VALLEYS-
BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/BLACKFOOT REGION-
POTOMAC/SEELEY LAKE REGION-
217 PM MDT SUN MAY 10 2009 /117 PM PDT SUN MAY 10 2009/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
IDAHO AND WEST CENTRAL MONTANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED.

SEE NEXT SECTION FOR HAZARDOUS WEATHER.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A STRONG UPPER LEVEL JET STREAM WILL ENTER THE REGION
MONDAY...BRINGING GUSTY SOUTHWEST TO WEST WINDS AND SHOWERS TO
THE AREA. ISOLATED THUNDERSTORMS ARE POSSIBLE MONDAY AFTERNOON AND
EVENING AS THE ATMOSPHERE DESTABILIZES.

ON TUESDAY...A COLD TROUGH OF LOW PRESSURE WILL PASS THROUGH THE
AREA. WINDY CONDITIONS ARE EXPECTED AREA WIDE WITH WIND GUSTS OF
30 TO 40 MPH POSSIBLE. SNOW LEVELS WILL BE LOWERING AND BRINGING
SNOW TO THE MOUNTAIN PASSES...WHERE THE COMBINATION OF SNOW AND WIND
MAY CAUSE BLOWING SNOW AND REDUCED VISIBILITY. SLUSHY AND SLICK
ROADS ARE POSSIBLE FROM LIGHT SNOW ACCUMULATIONS OVER LOLO...LOST
TRAIL AND MACDONALD PASSES.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$









000
FLUS45 KMSO 100948
HWOMSO

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
348 AM MDT SUN MAY 10 2009

MTZ001>004-102200-
KOOTENAI/CABINET REGION-WEST GLACIER REGION-
FLATHEAD/MISSION VALLEYS-LOWER CLARK FORK REGION-
348 AM MDT SUN MAY 10 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
MONTANA AND WEST CENTRAL MONTANA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A STRONG WESTERLY JET STREAM WILL ENTER THE REGION
MONDAY...BRINGING GUSTY SOUTHWEST WINDS AND SHOWERS TO THE AREA.
FLATHEAD LAKE AND THE HIGHER TERRAIN MAY SEE WIND GUSTS OF 30 TO
40 MPH DURING THE AFTERNOON AND EVENING HOURS. BOATERS AND TRAVELERS
OVER MOUNTAIN PASSES SHOULD BE ALERT TO STRONG GUSTY WINDS.

ON TUESDAY...A COLD TROUGH OF LOW PRESSURE WILL PASS THROUGH THE
AREA. WINDY CONDITIONS ARE EXPECTED AREA WIDE WITH WIND GUSTS OF
30 TO 40 MPH POSSIBLE. SNOW LEVELS WILL BE LOWERING AND BRINGING
SNOW TO THE MOUNTAIN PASSES...WHERE THE COMBINATION OF SNOW AND WIND
MAY CAUSE BLOWING SNOW AND REDUCED VISIBILITY. SLUSHY AND SLICK
ROADS ARE POSSIBLE FROM LIGHT SNOW ACCUMULATIONS OVER LOOKOUT AND
MARIAS PASSES.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

IDZ006-009-010-MTZ005>007-043-102200-
SOUTHERN CLEARWATER MOUNTAINS-WESTERN LEMHI COUNTY-
EASTERN LEMHI COUNTY-MISSOULA/BITTERROOT VALLEYS-
BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/BLACKFOOT REGION-
POTOMAC/SEELEY LAKE REGION-
348 AM MDT SUN MAY 10 2009 /248 AM PDT SUN MAY 10 2009/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
IDAHO AND WEST CENTRAL MONTANA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A STRONG WESTERLY JET STREAM WILL ENTER THE REGION
MONDAY...BRINGING GUSTY SOUTHWEST WINDS AND SHOWERS TO THE AREA.
ISOLATED THUNDERSTORMS ARE POSSIBLE MONDAY AFTERNOON AND EVENING
AS THE ATMOSPHERE DESTABILIZES.

ON TUESDAY...A COLD TROUGH OF LOW PRESSURE WILL PASS THROUGH THE
AREA. WINDY CONDITIONS ARE EXPECTED AREA WIDE WITH WIND GUSTS OF
30 TO 40 MPH POSSIBLE. SNOW LEVELS WILL BE LOWERING AND BRINGING
SNOW TO THE MOUNTAIN PASSES...WHERE THE COMBINATION OF SNOW AND WIND
MAY CAUSE BLOWING SNOW AND REDUCED VISIBILITY. SLUSHY AND SLICK
ROADS ARE POSSIBLE FROM LIGHT SNOW ACCUMULATIONS OVER LOLO...LOST
TRAIL AND MACDONALD PASSES.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$












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