weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

High Wind Warning


URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1242 PM MDT THU MAY 23 2013

.A SURFACE LOW ACROSS WYOMING WILL PRODUCE A VERY TIGHT PRESSURE
GRADIENT ACROSS SOUTHEAST MONTANA RESULTING IN STRONG GUSTY WINDS.

MTZ033-037-240600-
/O.NEW.KBYZ.HW.W.0001.130523T1842Z-130524T0600Z/
FALLON-CARTER-
INCLUDING THE CITIES OF...BAKER...EKALAKA
1242 PM MDT THU MAY 23 2013

...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT.

* TIMING...WINDS WILL REMAIN STRONG THROUGH LATE THIS EVENING.

* IMPACTS...TRAVELERS SHOULD BE PREPARED FOR DIFFICULT DRIVING
  CONDITIONS AND DANGEROUS CROSS WINDS ESPECIALLY ON EAST WEST
  ROADS.

* WINDS...SOUTHEAST WINDS 30 TO 45 MPH WITH GUSTS AROUND 55 MPH
  WILL CONTINUE THROUGH THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS OF THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

HTTP://WEATHER.GOV/BILLINGS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RAPID CITY SD
1148 AM MDT THU MAY 23 2013

STRONG WINDS ARE EXPECTED TO CONTINUE OVERNIGHT. THE PRESSURE
GRADIENT WILL REMAIN TIGHT ACROSS THE NORTHWEST SOUTH DAKOTA
PLAINS UNTIL EARLY FRIDAY MORNING...LOOSENING A LITTLE EARLIER
OVER NORTHEASTERN WYOMING. A VERY TIGHT PRESSURE GRADIENT SETS UP
OVER THE NORTHERN HILLS LATE THIS EVENING...AND WITH 50-60 KT
WINDS BELOW THE 800 MB INVERSION...CONDITIONS WILL BE FAVORABLE
FOR STRONG DOWNSLOPING WINDS ACROSS THE NORTHERN BLACK HILLS AND
THE NORTHERN AND NORTHEASTERN FOOTHILLS. WINDS ARE EXPECTED TO
DECREASE BY FRIDAY MORNING.

SDZ024-WYZ057-240200-
/O.EXB.KUNR.HW.W.0005.130524T0300Z-130524T1300Z/
NORTHERN BLACK HILLS-WYOMING BLACK HILLS-
INCLUDING THE CITIES OF...LEAD...DEADWOOD...SUNDANCE...
FOUR CORNERS
1148 AM MDT THU MAY 23 2013

...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 7 AM MDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 7 AM MDT
FRIDAY.

* WINDS...SOUTH 35 TO 45 MPH WITH GUSTS UP TO 60 MPH.

* TIMING...WINDS WILL INCREASE OVERNIGHT AFTER 9 PM...THEN
  DECREASE BY EARLY FRIDAY MORNING.

* IMPACTS...THE HIGH WINDS CAN BLOW DOWN LARGE TREES...AND DAMAGE
  ROOFS...SMALL OUTBUILDINGS...AND SIGNS. SUDDEN WIND GUSTS CAN
  CAUSE DRIVERS TO LOSE CONTROL...ESPECIALLY IN LIGHTWEIGHT OR
  HIGH PROFILE VEHICLES. STRONG WINDS CAN CAUSE BLOWING
  DUST...REDUCED VISIBILITY...AND FLYING DEBRIS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS 40 MPH WINDS...OR GUSTS OVER 60 MPH...
ARE EXPECTED OR OCCURRING.

&&

$$

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RAPID CITY SD
1148 AM MDT THU MAY 23 2013

STRONG WINDS ARE EXPECTED TO CONTINUE OVERNIGHT. THE PRESSURE
GRADIENT WILL REMAIN TIGHT ACROSS THE NORTHWEST SOUTH DAKOTA
PLAINS UNTIL EARLY FRIDAY MORNING...LOOSENING A LITTLE EARLIER
OVER NORTHEASTERN WYOMING. A VERY TIGHT PRESSURE GRADIENT SETS UP
OVER THE NORTHERN HILLS LATE THIS EVENING...AND WITH 50-60 KT
WINDS BELOW THE 800 MB INVERSION...CONDITIONS WILL BE FAVORABLE
FOR STRONG DOWNSLOPING WINDS ACROSS THE NORTHERN BLACK HILLS AND
THE NORTHERN AND NORTHEASTERN FOOTHILLS. WINDS ARE EXPECTED TO
DECREASE BY FRIDAY MORNING.

SDZ025-072-240200-
/O.EXB.KUNR.HW.W.0005.130524T0300Z-130524T1300Z/
/O.CON.KUNR.WI.Y.0019.000000T0000Z-130524T0300Z/
NORTHERN FOOT HILLS-STURGIS/PIEDMONT FOOT HILLS-
INCLUDING THE CITIES OF...SPEARFISH...STURGIS
1148 AM MDT THU MAY 23 2013

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...
...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 7 AM MDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 7 AM MDT
FRIDAY. A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING.

* WINDS...SOUTHEAST 25 TO 35 MPH WITH GUSTS UP TO 55 MPH BEFORE 9
  PM...THEN 35 TO 45 MPH WITH GUSTS UP TO 60 MPH.

* TIMING...WINDS WILL REMAIN STRONG THROUGH THE EVENING...AND THEN
  INCREASE OVERNIGHT AFTER 9 PM. WINDS WILL DECREASE BY EARLY
  FRIDAY MORNING.

* IMPACTS...THE HIGH WINDS CAN BLOW DOWN LARGE TREES...AND
  DAMAGE ROOFS...SMALL OUTBUILDINGS...AND SIGNS. SUDDEN WIND
  GUSTS CAN CAUSE DRIVERS TO LOSE CONTROL...ESPECIALLY IN
  LIGHTWEIGHT OR HIGH PROFILE VEHICLES. STRONG WINDS CAN CAUSE
  BLOWING DUST...REDUCED VISIBILITY...AND FLYING DEBRIS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS 40 MPH WINDS...OR GUSTS OVER 60 MPH...
ARE EXPECTED OR OCCURRING.

&&

$$

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RAPID CITY SD
1148 AM MDT THU MAY 23 2013

STRONG WINDS ARE EXPECTED TO CONTINUE OVERNIGHT. THE PRESSURE
GRADIENT WILL REMAIN TIGHT ACROSS THE NORTHWEST SOUTH DAKOTA
PLAINS UNTIL EARLY FRIDAY MORNING...LOOSENING A LITTLE EARLIER
OVER NORTHEASTERN WYOMING. A VERY TIGHT PRESSURE GRADIENT SETS UP
OVER THE NORTHERN HILLS LATE THIS EVENING...AND WITH 50-60 KT
WINDS BELOW THE 800 MB INVERSION...CONDITIONS WILL BE FAVORABLE
FOR STRONG DOWNSLOPING WINDS ACROSS THE NORTHERN BLACK HILLS AND
THE NORTHERN AND NORTHEASTERN FOOTHILLS. WINDS ARE EXPECTED TO
DECREASE BY FRIDAY MORNING.

WYZ054>056-058-240200-
/O.EXT.KUNR.HW.W.0005.000000T0000Z-130524T0900Z/
NORTHERN CAMPBELL-SOUTHERN CAMPBELL-WESTERN CROOK-WESTON-
INCLUDING THE CITIES OF...GILLETTE...WRIGHT...MOORCROFT...
HULETT...NEWCASTLE
1148 AM MDT THU MAY 23 2013

...HIGH WIND WARNING NOW IN EFFECT UNTIL 3 AM MDT FRIDAY...

* WINDS...SOUTHEAST WINDS OF 35 TO 45 MPH WITH GUSTS UP TO 60 MPH
  WILL CONTINUE UNTIL LATE TONIGHT...AND THEN DECREASE BY EARLY
  FRIDAY MORNING.

* IMPACTS...THE HIGH WINDS CAN BLOW DOWN LARGE TREES...AND
  DAMAGE ROOFS...SMALL OUTBUILDINGS...AND SIGNS. SUDDEN WIND
  GUSTS CAN CAUSE DRIVERS TO LOSE CONTROL...ESPECIALLY IN
  LIGHTWEIGHT OR HIGH PROFILE VEHICLES. STRONG WINDS CAN CAUSE
  BLOWING DUST...REDUCED VISIBILITY...AND FLYING DEBRIS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS 40 MPH WINDS...OR GUSTS OVER 60 MPH...
ARE EXPECTED OR OCCURRING.

&&

$$


Wind Advisory


URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BISMARCK ND
1252 PM CDT THU MAY 23 2013

...WIND ADVISORY FOR SOUTHWEST NORTH DAKOTA THROUGH THIS EVENING...

.STRONG SOUTHEAST WINDS WILL CONTINUE TO STRENGTHEN ACROSS
SOUTHWEST NORTH DAKOTA THIS AFTERNOON AND CONTINUE INTO THIS
EVENING. 35 MPH WINDS WITH PEAK GUSTS TO NEAR 50 MPH CAN BE
EXPECTED. CITIES INCLUDED IN THE ADVISORY ARE HETTINGER...BOWMAN...
DICKINSON... BEACH...MEDORA...KILLDEER AND WATFORD CITY. WINDS
THIS STRONG WILL MAKE WORKING OUTDOORS ON ELEVATED STRUCTURES
HAZARDOUS...AND DRIVING HIGH PROFILE VEHICLES DIFFICULT.

NDZ017-018-031>033-040-041-043-044-240200-
/O.CON.KBIS.WI.Y.0009.000000T0000Z-130524T0300Z/
MCKENZIE-DUNN-GOLDEN VALLEY-BILLINGS-STARK-SLOPE-HETTINGER-BOWMAN-
ADAMS-
INCLUDING THE CITIES OF...WATFORD CITY...KILLDEER...BEACH...
MEDORA...DICKINSON...MARMARTH...MOTT...BOWMAN...HETTINGER
1252 PM CDT THU MAY 23 2013 /1152 AM MDT THU MAY 23 2013/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/
THIS EVENING...

* TIMING...THROUGH THURSDAY EVENING.

* WINDS...SOUTHEAST SUSTAINED TO 35 MPH WITH GUSTS TO 50 MPH.

* IMPACTS...THE STRONG WINDS WILL MAKE WORKING OUTDOORS ON
  ELEVATED STRUCTURES HAZARDOUS...AND DRIVING HIGH PROFILE
  VEHICLES DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 40 MPH...AND
OR GUSTS UNDER 58 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$

AYD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RAPID CITY SD
1148 AM MDT THU MAY 23 2013

STRONG WINDS ARE EXPECTED TO CONTINUE OVERNIGHT. THE PRESSURE
GRADIENT WILL REMAIN TIGHT ACROSS THE NORTHWEST SOUTH DAKOTA
PLAINS UNTIL EARLY FRIDAY MORNING...LOOSENING A LITTLE EARLIER
OVER NORTHEASTERN WYOMING. A VERY TIGHT PRESSURE GRADIENT SETS UP
OVER THE NORTHERN HILLS LATE THIS EVENING...AND WITH 50-60 KT
WINDS BELOW THE 800 MB INVERSION...CONDITIONS WILL BE FAVORABLE
FOR STRONG DOWNSLOPING WINDS ACROSS THE NORTHERN BLACK HILLS AND
THE NORTHERN AND NORTHEASTERN FOOTHILLS. WINDS ARE EXPECTED TO
DECREASE BY FRIDAY MORNING.

SDZ001-002-012>014-026-031-073-240200-
/O.EXT.KUNR.WI.Y.0019.000000T0000Z-130524T1300Z/
HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-ZIEBACH-RAPID CITY-
PENNINGTON CO PLAINS-SOUTHERN MEADE CO PLAINS-
INCLUDING THE CITIES OF...BUFFALO...LEMMON...BISON...
BELLE FOURCHE...FAITH...DUPREE...RAPID CITY...WALL...UNION CENTER
1148 AM MDT THU MAY 23 2013

...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM MDT FRIDAY...

* WINDS...SOUTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS UP TO 55 MPH
  WILL CONTINUE UNTIL EARLY FRIDAY MORNING.

* IMPACTS...SUDDEN WIND GUSTS CAN CAUSE DRIVERS TO LOSE
  CONTROL... ESPECIALLY IN LIGHTWEIGHT OR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS 30 MPH WINDS...OR GUSTS OVER 45 MPH...ARE
EXPECTED OR OCCURRING.

&&

$$

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RAPID CITY SD
1148 AM MDT THU MAY 23 2013

STRONG WINDS ARE EXPECTED TO CONTINUE OVERNIGHT. THE PRESSURE
GRADIENT WILL REMAIN TIGHT ACROSS THE NORTHWEST SOUTH DAKOTA
PLAINS UNTIL EARLY FRIDAY MORNING...LOOSENING A LITTLE EARLIER
OVER NORTHEASTERN WYOMING. A VERY TIGHT PRESSURE GRADIENT SETS UP
OVER THE NORTHERN HILLS LATE THIS EVENING...AND WITH 50-60 KT
WINDS BELOW THE 800 MB INVERSION...CONDITIONS WILL BE FAVORABLE
FOR STRONG DOWNSLOPING WINDS ACROSS THE NORTHERN BLACK HILLS AND
THE NORTHERN AND NORTHEASTERN FOOTHILLS. WINDS ARE EXPECTED TO
DECREASE BY FRIDAY MORNING.

SDZ025-072-240200-
/O.EXB.KUNR.HW.W.0005.130524T0300Z-130524T1300Z/
/O.CON.KUNR.WI.Y.0019.000000T0000Z-130524T0300Z/
NORTHERN FOOT HILLS-STURGIS/PIEDMONT FOOT HILLS-
INCLUDING THE CITIES OF...SPEARFISH...STURGIS
1148 AM MDT THU MAY 23 2013

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...
...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 7 AM MDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 7 AM MDT
FRIDAY. A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING.

* WINDS...SOUTHEAST 25 TO 35 MPH WITH GUSTS UP TO 55 MPH BEFORE 9
  PM...THEN 35 TO 45 MPH WITH GUSTS UP TO 60 MPH.

* TIMING...WINDS WILL REMAIN STRONG THROUGH THE EVENING...AND THEN
  INCREASE OVERNIGHT AFTER 9 PM. WINDS WILL DECREASE BY EARLY
  FRIDAY MORNING.

* IMPACTS...THE HIGH WINDS CAN BLOW DOWN LARGE TREES...AND
  DAMAGE ROOFS...SMALL OUTBUILDINGS...AND SIGNS. SUDDEN WIND
  GUSTS CAN CAUSE DRIVERS TO LOSE CONTROL...ESPECIALLY IN
  LIGHTWEIGHT OR HIGH PROFILE VEHICLES. STRONG WINDS CAN CAUSE
  BLOWING DUST...REDUCED VISIBILITY...AND FLYING DEBRIS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS 40 MPH WINDS...OR GUSTS OVER 60 MPH...
ARE EXPECTED OR OCCURRING.

&&

$$


Air Quality Alert


AIR QUALITY ALERT MESSAGE
WYZ054-055-240600-

AIR QUALITY ALERT MESSAGE
NATIONAL WEATHER SERVICE RAPID CITY SD
225 AM MDT THU MAY 23 2013

...BLOWING DUST HEALTH ALERT IN EFFECT FOR THE ENTIRE POWDER
RIVER BASIN OF NORTHEASTERN WYOMING UNTIL MIDNIGHT TONIGHT...

SOUTH WINDS WILL INCREASE THIS MORNING TO 30 TO 40 MPH...WITH
GUSTS TO 50 MPH. THE WINDS WILL DECREASE AROUND MIDNIGHT TONIGHT.

THE WYOMING AIR QUALITY DIVISION RECOMMENDS THE ELDERLY...YOUNG
CHILDREN...AND INDIVIDUALS WITH RESPIRATORY PROBLEMS AVOID EXCESSIVE
PHYSICAL EXERTION AND MINIMIZE OUTDOOR ACTIVITIES DURING THIS
TIME. ALTHOUGH THESE PEOPLE ARE MOST SUSCEPTIBLE TO HEALTH
IMPACTS...THE AIR QUALITY DIVISION ALSO ADVISES THAT EVERYONE SHOULD
AVOID PROLONGED EXPOSURE TO THE POOR AIR QUALITY CONDITIONS.


Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
400 PM MDT THU MAY 23 2013

WYZ101>119-241830-
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-
400 PM MDT THU MAY 23 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

FOG MAY RETURN TO PORTIONS OF SOUTHEAST WYOMING ALONG AND EAST
OF THE LARAMIE RANGE TONIGHT WITH DENSE FOG POSSIBLE OVER THE
SOUTHERN LARAMIE RANGE.

SOUTHEAST WINDS WILL GUST 40 TO 50 MPH FOR AREAS ALONG AND WEST OF
THE LARAMIE RANGE INTO EARLY THIS EVENING. ISOLATED THUNDERSTORMS
ARE POSSIBLE WEST OF THE LARAMIE RANGE THIS AFTERNOON AND EARLY
EVENING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.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 RAPID CITY SD
549 AM MDT THU MAY 23 2013

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-241300-
BENNETT-BUTTE-CENTRAL BLACK HILLS-CUSTER CO PLAINS-FALL RIVER-HAAKON-
HARDING-HERMOSA FOOT HILLS-JACKSON-MELLETTE-NORTHEASTERN CROOK-
NORTHERN BLACK HILLS-NORTHERN CAMPBELL-NORTHERN FOOT HILLS-
NORTHERN MEADE CO PLAINS-PENNINGTON CO PLAINS-PERKINS-RAPID CITY-
SHANNON-SOUTHERN BLACK HILLS-SOUTHERN CAMPBELL-SOUTHERN FOOT HILLS-
SOUTHERN MEADE CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-TODD-TRIPP-
WESTERN CROOK-WESTON-WYOMING BLACK HILLS-ZIEBACH-
549 AM MDT (649 AM CDT) THU MAY 23 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND
NORTHEASTERN WYOMING.

.DAY ONE...TODAY AND TONIGHT

SOUTH WINDS OF 25 TO 35 MPH...WITH GUSTS TO 50 MPH...ARE EXPECTED
ACROSS PORTIONS OF WESTERN SOUTH DAKOTA THROUGH THIS EVENING.
35 TO 45 MPH WINDS...WITH GUSTS TO 60 MPH...ARE EXPECTED ACROSS
PORTIONS OF NORTHEAST WYOMING.

ISOLATED THUNDERSTORMS ARE POSSIBLE LATE TONIGHT...SEVERE
THUNDERSTORMS ARE NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE IS DAILY CHANCE OF THUNDERSTORMS ACROSS THE AREA. WIDESPREAD
SEVERE THUNDERSTORMS ARE NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...
OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
500 AM MDT THU MAY 23 2013

WYZ001>020-022>030-241100-
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 MAY 23 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

ISOLATED STRONG THUNDERSTORMS ARE POSSIBLE ACROSS THE NORTH AND EAST
CENTRAL.  SOUTH WIND 25 TO 35 MPH WITH GUSTS 45 TO 50 MPH ACROSS THE
SOUTH AND PORTIONS OF WEST CENTRAL WYOMING THIS AFTERNOON.
MOTORISTS ALONG INTERSTATE 80 AND OTHER WEST-EAST ROUTES SHOULD
EXPECT AREAS OF STRONG CROSSWIND.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SUNDAY AND MEMORIAL DAY...ISOLATED TO SCATTERED AFTERNOON AND
EVENING THUNDERSTORMS ACROSS THE NORTH AND WEST.

TUESDAY AND WEDNESDAY...ISOLATED TO SCATTERED AFTERNOON AND EVENING
THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

PLEASE REPORT ANY HAIL...HEAVY RAIN OR STRONG WIND GUSTS OF 50 MPH OR
MORE.

$$

TEAM RIVERTON

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTH PLATTE NE
519 AM CDT THU MAY 23 2013

NEZ004>010-022>029-035>038-056>059-069>071-094-241030-
SHERIDAN-EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-GARDEN-
GRANT-HOOKER-THOMAS-BLAINE-LOUP-GARFIELD-WHEELER-ARTHUR-MCPHERSON-
LOGAN-CUSTER-DEUEL-KEITH-PERKINS-LINCOLN-CHASE-HAYES-FRONTIER-
WESTERN CHERRY-
519 AM CDT THU MAY 23 2013 /419 AM MDT THU MAY 23 2013/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN AND
NORTH CENTRAL NEBRASKA.

.DAY ONE...TODAY AND TONIGHT.

ISOLATED THUNDERSTORMS ARE POSSIBLE LATE TONIGHT AS WARM AIR LIFTS
UP OVER A WARM FRONT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

STRONG THUNDERSTORMS ARE EXPECTED FRIDAY THROUGH SUNDAY AS AN
ACTIVE PATTERN RESUMES. THE STORMS WILL BE SLOW-MOVING AND HEAVY
RAIN IS THE MOST LIKELY HAZARD. STILL...INSTABILITY COULD FAVOR
DAMAGING WIND AND LARGE HAIL.

STAY TUNED TO FUTURE FORECASTS FOR REFINEMENT IN LOCATION AND
TIMING OF STORMS LATER THIS WEEKEND AND BEYOND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT...BUT MAY
BE NEEDED THROUGH THIS WEEKEND.

&&

THIS PRODUCT IS NOW AVAILABLE...ALONG WITH OTHER WEATHER...
HYDROLOGICAL AND CLIMATOLOGICAL INFORMATION...AT
HTTP://WWW.WEATHER.GOV/NORTHPLATTE

$$

JRS

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
828 PM MDT WED MAY 22 2013

MTZ028>042-056>058-063>068-WYZ098-099-240230-
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-
828 PM MDT WED MAY 22 2013

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

.DAY ONE...TONIGHT

NO SIGNIFICANT WEATHER IS EXPECTED TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SCATTERED AFTERNOON AND EVENING THUNDERSTORMS CAN BE EXPECTED
FROM BILLINGS WESTWARD THURSDAY AFTERNOON AND EVENING AND ACROSS
THE ENTIRE AREA SATURDAY AND SUNDAY. SOME OF THESE STORMS COULD
BE STRONG WITH LOCALLY HEAVY RAIN AND SOME HAIL. THOSE LIVING IN
AND NEAR BURN SCAR LOCATIONS SHOULD BE ALERT FOR HEAVY RAIN
CAUSING RAPID RUNOFF AND POSSIBLE FLASH FLOODING.

ALSO...STRONG SOUTHEAST WINDS WILL DEVELOP THURSDAY OVER
SOUTHEAST MONTANA...ESPECIALLY AROUND BAKER AND EKALAKA.
SUSTAINED WINDS OF 30 TO 35 MPH WITH GUSTS TO 50 MPH ARE
EXPECTED.

.SPOTTER INFORMATION STATEMENT...

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

$$

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
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE