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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
500 AM MDT THU AUG 21 2014

WYZ001>020-022>030-221200-
ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST-
BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS-
EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS-
NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN-
NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS-
ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES-
SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN-
SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY-
TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN-
WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST-
YELLOWSTONE NATIONAL PARK-
500 AM MDT THU AUG 21 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

NUMEROUS MOUNTAIN THUNDERSTORMS THIS AFTERNOON AND
EVENING WITH SCATTERED THUNDERSTORMS ELSEWHERE CLEARING LATER THIS
AFTERNOON. MORE SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

FRIDAY AND SATURDAY...SCATTERED TO NUMEROUS  SHOWERS AND
THUNDERSTORMS NORTHERN AND EASTERN SECTIONS WITH A FEW STRONGER
STORMS POSSIBLE. MORE ISOLATED THUNDERSTORMS ELSEWHERE EACH AFTERNOON
AND EVENING.

SUNDAY...ISOLATED MAINLY MOUNTAIN THUNDERSTORMS ACROSS THE NORTH.

MONDAY AND TUESDAY...ISOLATED TO WIDELY SCATTERED
THUNDERSTORMS WITH A GOOD CHANCE OF SHOWERS SPREAD WEST TO EAST
ACROSS THE AREA. SNOW LEVEL MAY LOWER TO BETWEEN 8000 AND 9000 FEET
IN THE NORTH HALF MONDAY NIGHT WITH SOME ACCUMULATION POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY HEAVY RAIN...HAIL OR WIND
GUSTS OVER 50 MPH TODAY AND TONIGHT.

$$

TEAM RIVERTON

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
434 AM MDT THU AUG 21 2014

MTZ028>042-056>058-063>068-WYZ098-099-221045-
SOUTHERN WHEATLAND-MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-CUSTER-
FALLON-NORTHERN STILLWATER-YELLOWSTONE-POWDER RIVER-CARTER-
SOUTHERN BIG HORN-EASTERN CARBON-NORTHERN PARK-
NORTHERN SWEET GRASS-GOLDEN VALLEY-RED LODGE FOOTHILLS-
NORTHERN BIG HORN-SOUTHERN ROSEBUD-JUDITH GAP-PARADISE VALLEY-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-ABSAROKA/BEARTOOTH MOUNTAINS-
CRAZY MOUNTAINS-NORTHEAST BIG HORN MOUNTAINS-SHERIDAN FOOTHILLS-
434 AM MDT THU AUG 21 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...SOUTH CENTRAL MONTANA...SOUTHEAST MONTANA AND NORTH
CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

COOL AND WET WEATHER PATTERN WILL SETTLE INTO THE AREA TODAY.
EXPECT SHOWERS AND THUNDERSTORMS TO BECOME SCATTERED TO NUMEROUS
BY THIS AFTERNOON AND EVENING. STRONG THUNDERSTORMS ARE POSSIBLE
IN FAR SOUTHEAST MONTANA...FROM BROADUS TO BAKER AND EAST...BY
LATE THIS AFTERNOON...WITH HEAVY RAINFALL AND STRONG WINDS THE
MAIN THREAT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE COOL AND WET WEATHER PATTERN WILL CONTINUE THROUGH THE
WEEKEND. EXPECT RAINFALL TO BECOME WIDESPREAD BY FRIDAY NIGHT
INTO SATURDAY. LOCALIZED AREAS OF HEAVIER RAINFALL ARE POSSIBLE AT
TIMES LATE FRIDAY. THOSE IN AREAS THAT ARE EASILY SUSCEPTIBLE TO
MINOR FLOODING FROM ELEVATED STREAMS OR THOSE THAT LIVE IN BURN
SCAR AREAS SHOULD MONITOR THE WEATHER CLOSELY THROUGH THE WEEKEND.

TRAVELERS ON THE BEARTOOTH PASS AND THOSE WITH RECREATION PLANS
IN THE HIGH COUNTRY SHOULD NOTE THAT A COUPLE INCHES OF SLUSHY
SNOW ARE POSSIBLE BOTH SATURDAY MORNING AND SUNDAY MORNING. SNOW
ACCUMULATIONS WOULD LIKELY BE LIMITED TO ELEVATIONS AROUND 10,000
FEET OR ABOVE.

.SPOTTER INFORMATION STATEMENT...

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

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
417 AM MDT THU AUG 21 2014

UTZ001>016-019>021-517-518-WYZ021-221030-
CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT-
SALT LAKE AND TOOELE VALLEYS-SOUTHERN WASATCH FRONT-
GREAT SALT LAKE DESERT AND MOUNTAINS-WASATCH MOUNTAIN VALLEYS-
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-
WESTERN UINTA BASIN-CASTLE COUNTRY-SAN RAFAEL SWELL-
SANPETE/SEVIER VALLEYS-WEST CENTRAL UTAH-SOUTHWEST UTAH-
UTAHS DIXIE AND ZION NATIONAL PARK-SOUTH CENTRAL UTAH-
GLEN CANYON RECREATION AREA/LAKE POWELL-CENTRAL MOUNTAINS-
SOUTHERN MOUNTAINS-SOUTHWEST WYOMING-
417 AM MDT THU AUG 21 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF
UTAH AND SOUTHWEST WYOMING.

.DAY ONE...TODAY AND TONIGHT

SHOWERS WILL IMPACT FAR NORTHERN UTAH THIS MORNING BEFORE
SCATTERED SHOWERS AND THUNDERSTORMS DEVELOP AGAIN THIS AFTERNOON.
GUSTY WINDS AND BRIEF HEAVY RAIN ARE POSSIBLE WITH ANY STORMS THAT
DEVELOP.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

AN UNSTABLE AIRMASS WILL REMAIN OVER THE OUTLOOK AREA THROUGH
FRIDAY...RESULTING IN A CONTINUED THREAT OF SHOWERS AND
THUNDERSTORMS. AN UNSEASONABLY COOL PACIFIC NORTHWEST TROUGH IS
EXPECTED TO PUSH A COLD FRONT THROUGH NORTHERN UTAH FRIDAY NIGHT
AND SATURDAY. SHOWERS AND THUNDERSTORMS WILL DEVELOP AS THE TROUGH
MOVES THROUGH THE AREA. A BRIEF DRYING AND WARMING TREND IS
EXPECTED SUNDAY AND MONDAY BEFORE ANOTHER TROUGH IMPACTS THE
OUTLOOK AREA FOR THE MIDDLE OF THE UPCOMING WEEK.

.SPOTTER INFORMATION STATEMENT...

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

$$

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY/ (ALL LOWER CASE)

FOR INFORMATION ON POTENTIAL ROAD TRAVEL IMPACTS VISIT...
HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX

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Page last modified: June 2, 2009
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