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Special Weather Statement


SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
116 AM MDT MON SEP 22 2014

WYZ023-027-221100-
SOUTH LINCOLN COUNTY-STAR VALLEY-
116 AM MDT MON SEP 22 2014

THROUGH THE REST OF THE NIGHT...AREAS OF FOG WILL BE ENCOUNTERED
ACROSS MUCH OF LINCOLN COUNTY...INCLUDING STAR VALLEY AND SOUTHERN
LINCOLN COUNTY. SOME OF THE FOG WILL BE DENSE WITH VISIBILITY NEAR A
TENTH OF A MILE IN SOME LOCATIONS. MOTORISTS ARE URGED TO SLOW
DOWN...AND USE LOW BEAMS WHEN FOG IS ENCOUNTERED.

$$

21


Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
839 PM MDT SUN SEP 21 2014

WYZ101>119-230245-
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY-
839 PM MDT SUN SEP 21 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL WYOMING...
SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING.

.DAY ONE...TONIGHT

ISOLATED THUNDERSTORMS WILL CONTINUE TONIGHT OVER THE MOUNTAINS
AND ADJACENT FOOTHILLS. BRIEF MODERATE RAIN...GUSTY WINDS AND
LIGHTNING WILL BE THE MAIN THREATS FROM THE THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED MONDAY THROUGH TUESDAY
AS A PACIFIC LOW PRESSURE SYSTEM MOVES ACROSS THE ROCKIES. A FEW
STRONG THUNDERSTORMS WILL BE POSSIBLE EAST OF INTERSTATE 25 MONDAY
AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND
CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT...
HTTP://WEATHER.GOV/CHEYENNE

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1025 AM MDT SUN SEP 21 2014

COZ001>014-017>023-UTZ022>025-027>029-221630-
LOWER YAMPA RIVER BASIN-CENTRAL YAMPA RIVER BASIN-
ROAN AND TAVAPUTS PLATEAUS-ELKHEAD AND PARK MOUNTAINS-
UPPER YAMPA RIVER BASIN-GRAND VALLEY-DEBEQUE TO SILT CORRIDOR-
CENTRAL COLORADO RIVER BASIN-GRAND AND BATTLEMENT MESAS-
GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS-
CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN-
WEST ELK AND SAWATCH MOUNTAINS-FLATTOPS-
UPPER GUNNISON RIVER VALLEY-UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-
NORTHWEST SAN JUAN MOUNTAINS-SOUTHWEST SAN JUAN MOUNTAINS-
PARADOX VALLEY/LOWER DOLORES RIVER-
FOUR CORNERS/UPPER DOLORES RIVER-ANIMAS RIVER BASIN-
SAN JUAN RIVER BASIN-SOUTHEAST UTAH-EASTERN UINTA MOUNTAINS-
EASTERN UINTA BASIN-TAVAPUTS PLATEAU-ARCHES/GRAND FLAT-
LA SAL AND ABAJO MOUNTAINS-CANYONLANDS/NATURAL BRIDGES-
1025 AM MDT SUN SEP 21 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN
COLORADO.

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS WILL INCREASE IN COVERAGE THIS
AFTERNOON AND EVENING. GUSTY WINDS TO 40 MPH ARE POSSIBLE AT THE
ONSET OF SHOWERS AND THUNDERSTORMS. SMALL HAIL AND HEAVY RAIN WITH
LOCALIZED FLOODING WILL ACCOMPANY THE STRONGER STORMS.

ANOTHER SURGE OF MOISTURE IS EXPECTED OVERNIGHT OVER ALREADY
SATURATED SOILS FOR SOUTHERN PORTIONS OF THE FORECAST AREA. SOME
AREAS EXPERIENCED LOCALIZED FLOODING SATURDAY NIGHT AND WITH THE
CHANCE REMAINING AGAIN TONIGHT...A FLASH FLOOD WATCH HAS BEEN
ISSUED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SHOWERS AND THUNDERSTORMS WILL DIMINISH FROM WEST TO EAST DURING
THE DAY ON MONDAY AS DRIER AIR MOVES ACROSS THE AREA. SOME
CONVECTION WILL DEVELOP DURING THE AFTERNOON HOURS BUT WILL BE
CONFINED IN AND NEAR THE CONTINENTAL DIVIDE.

THE NEXT THREAT OF SHOWERS AND THUNDERSTORMS WILL DEVELOP ON
FRIDAY AND CONTINUE THROUGH THE WEEKEND AS THE NEXT PACIFIC STORM
SYSTEM APPROACHES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT...HOWEVER
SPOTTERS ARE ENCOURAGED TO RELAY RAINFALL AMOUNTS OR ANY OBSERVED
FLOODING TO THE GRAND JUNCTION FORECAST OFFICE.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
527 AM MDT SUN SEP 21 2014

UTZ001>016-019>021-517-518-WYZ021-221200-
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-
527 AM MDT SUN SEP 21 2014

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

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS WILL BE FAIRLY NUMEROUS ACROSS THE
OUTLOOK AREA TODAY. STORMS WILL BEGIN TO TAPER OFF FROM THE
SOUTHWEST LATE THIS AFTERNOON WITH THIS TREND CONTINUING INTO
TONIGHT. LOCAL HEAVY RAINFALL WILL BE POSSIBLE WITH THESE STORMS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SHOWERS AND ISOLATED THUNDERSTORMS WILL BE MOSTLY CONFINED TO THE
NORTHEASTERN HALF OF THE OUTLOOK AREA MONDAY AND WILL END MONDAY
EVENING.

WARM DRY CONDITIONS ARE EXPECTED TUESDAY AND WEDNESDAY.

SOUTH WINDS WILL DEVELOP THURSDAY AND BECOME GUSTY ACROSS THE
WESTERN OUTLOOK AREA THURSDAY AFTERNOON. THESE WINDS WILL SPREAD
INTO THE EASTERN OUTLOOK AREA ON FRIDAY AND CONTINUE OVER THE
WEST.

SHOWERS AND THUNDERSTORMS COULD RETURN TO THE OUTLOOK AREA BY THE
END OF THE 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

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
400 AM MDT SUN SEP 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-
400 AM MDT SUN SEP 21 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

ISOLATED TO LOCALLY SCATTERED THUNDERSTORMS OVER THE WEST AND SOUTH
THIS AFTERNOON...SPREADING NORTHWARD ACROSS MUCH OF THE AREA
TONIGHT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

MONDAY...ISOLATED TO SCATTERED THUNDERSTORMS ACROSS THE ENTIRE AREA.

THURSDAY...ELEVATED FIRE WEATHER CONDITIONS POSSIBLE...MAINLY FROM
ROCK SPRINGS TO CASPER.

FRIDAY AND SATURDAY...A STRONG STORM SYSTEM COULD IMPACT THE AREA
WITH THUNDERSTORMS BOTH DAYS...AND THE POSSIBILITY OF MOUNTAIN
SNOWFALL SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE URGED TO REPORT STRONG WIND GUSTS OR HAIL. THANK YOU.

$$

TEAM RIVERTON


Short Term Forecast


SHORT TERM FORECAST
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1251 AM MDT MON SEP 22 2014

COZ030>034-037-220900-
JACKSON COUNTY BELOW 9000 FEET-
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING...GOULD...NORTH PARK...RAND...SPICER...WALDEN...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...DILLON...FRASER...GRANBY...GRAND LAKE...
HOT SULPHUR SPRINGS...KREMMLING...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK...FAIRPLAY...HARTSEL...
LAKE GEORGE...SOUTH PARK
1251 AM MDT MON SEP 22 2014

.NOW...
SCATTERED LIGHT RAIN SHOWERS WILL MOVE ACROSS THE MOUNTAINS OF
NORTH CENTRAL COLORADO DURING THE EARLY MORNING HOURS. THROUGH 3
AM THE SHOWERS WILL BE MAINLY FROM HOOSIER PASS NORTH ALONG THE
FRONT RANGE MOUNTAINS...AND ACROSS GRAND AND JACKSON COUNTIES.

$$

GIMMESTAD

SHORT TERM FORECAST
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1251 AM MDT MON SEP 22 2014

COZ035-036-038>041-043-220900-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS...
HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN...
LAKEWOOD...LONGMONT...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR...
EATON...FORT LUPTON...GREELEY...ROGGEN
1251 AM MDT MON SEP 22 2014

.NOW...
SCATTERED LIGHT SHOWERS WILL MOVE OVER THE FRONT RANGE FOOTHILLS
THEN WEAKEN AS THEY MOVE OVER THE FRONT RANGE CITIES AS FAR EAST
AS WELD AND ELBERT COUNTIES BY 3 AM.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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