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URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
336 AM MDT SAT APR 19 2014


MTZ009-048-192145-
/O.NEW.KTFX.HW.A.0015.140420T0000Z-140420T1800Z/
NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
CHOTEAU
336 AM MDT SAT APR 19 2014

...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH SUNDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A HIGH
WIND WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH SUNDAY
MORNING.

* TIMING AND MAIN IMPACT: WEST WINDS WILL INCREASE THIS EVENING
  ASSOCIATED WITH THE PASSAGE OF A COLD FRONT. GUSTY WEST WINDS
  WILL THEN CONTINUE INTO EARLY SUNDAY. TRAVEL COULD BECOME
  DIFFICULT FOR HIGH PROFILE VEHICLES AND VEHICLES TOWING TRAILERS.

* WINDS: WEST WINDS 30 TO 40 MPH WITH GUSTS TO 65 MPH ARE POSSIBLE.

* LOCATIONS AFFECTED INCLUDE: CHOTEAU...BROWNING...MARIAS PASS.

* TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD PLEASE VISIT
  OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$


Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
300 AM MDT SAT APR 19 2014

MTZ028>042-056>058-063>068-WYZ098-099-200900-
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-
300 AM MDT SAT APR 19 2014

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

.DAY ONE...TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER TONIGHT
 IS LOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ABOVE NORMAL TEMPERATURES CAN BE EXPECTED TODAY THROUGH TUESDAY.
THIS WILL LEAD TO INCREASED MOUNTAIN SNOW MELT AND RISING WATER
LEVELS ON SOME RIVERS AND STREAMS. A PACIFIC STORM SYSTEM WILL
BRING A GOOD CHANCE OF SHOWERS AND MOUNTAIN SNOWFALL TUESDAY NIGHT
THROUGH THURSDAY. PLEASE MONITOR THE FORECAST FOR YOUR AREA...AND
BE AWARE OF INCREASED WATER LEVELS OVER THE COMING DAYS.

.SPOTTER INFORMATION STATEMENT...

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

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
233 PM MDT FRI APR 18 2014

WYZ001>020-022>030-191200-
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-
233 PM MDT FRI APR 18 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

STRONG WEST WINDS WILL OCCUR IN MANY AREAS AS A COLD FRONT SWEEPS
EAST ACROSS THE AREA INTO THE EARLY EVENING. EXPECT WEST WIND 25 TO
35 MPH WITH GUSTS OF 40 TO 50 MPH WITH LOCAL GUSTS OVER 55 MPH FOR A
FEW HOURS THIS AFTERNOON. THE COLD FRONT WILL ALSO BE ACCOMPANIED
BY A SLIGHT CHANCE OF A THUNDERSTORM...BUT MAINLY OVER THE EASTERN
PART OF THE BIGHORN BASIN OVER TO JOHNSON COUNTY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SATURDAY...ISOLATED THUNDERSTORMS POSSIBLE NEAR AND
SOUTH OF INTERSTATE 80.

SUNDAY...ISOLATED THUNDERSTORMS POSSIBLE SOUTH OF A MEETEETSE TO
CASPER LINE AND THE BIG HORN MOUNTAINS.

TUESDAY...INCREASING RAIN SHOWERS AND THUNDERSTORMS IN THE WEST...
VERY WARM AND WINDY CONDITIONS ACROSS THE CENTRAL AND SOUTH...MAY
RESULT IN RAPID SNOWMELT AND SIGNIFICANT RISES IN CREEKS AND STREAMS.
THESE WINDY AND WARM CONDITIONS IN THE CENTRAL AND SOUTH WILL ALSO
RESULT IN AN ELEVATED FIRE DANGER.

WEDNESDAY...SIGNIFICANT SNOW ACCUMULATIONS POSSIBLE IN THE NORTHERN
AND WESTERN MOUNTAINS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

$$

TEAM RIVERTON


Hydrologic Outlook


HYDROLOGIC OUTLOOK
MTZ008>015-044>055-211800-

HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE GREAT FALLS MT
815 AM MDT FRI APR 18 2014

...WARMER TEMPERATURES THIS WEEKEND AND EARLY NEXT WEEK TO BE
FOLLOWED BY THE POTENTIAL FOR WIDESPREAD PRECIPITATION AND RAIN ON
SNOWPACK BY THE MIDDLE OF NEXT WEEK...

WARMER TEMPERATURES ARE EXPECTED THIS WEEKEND INTO EARLY NEXT WEEK
BEFORE A PERIOD OF COOLER AND WETTER CONDITIONS BY THE MIDDLE TO
LATER PART OF NEXT WEEK. AFTERNOON TEMPERATURES THROUGH TUESDAY WILL
CLIMB INTO THE 60S AT LOWER ELEVATIONS AND INTO THE 40S AND 50S IN
THE MOUNTAINS. OVERNIGHT LOWS AT MID-ELEVATIONS WILL REMAIN ABOVE
FREEZING EACH NIGHT. THIS WILL CAUSE AN INCREASE IN MOUNTAIN
SNOWMELT WITH RISING WATER LEVELS ANTICIPATED ON CREEKS...SMALL
STREAMS AND RIVERS.

A PERIOD OF WETTER CONDITIONS IS EXPECTED BY THE MIDDLE TO LATER
HALF OF NEXT WEEK. AT THE ONSET OF PRECIPITATION ON TUESDAY...SNOW
LEVELS BETWEEN 7000 AND 9000 FEET INDICATE THAT RAIN MAY FALL ON TOP
OF MOUNTAIN SNOWPACK AND INCREASE THE RATE OF SNOWMELT. WITH COOLER
AIR MOVING IN WEDNESDAY...PRECIPITATION WILL CHANGE TO ALL SNOW AND
REMAIN SNOW THROUGH THE END OF THE WEEK.

THE SITUATION WILL CONTINUE TO BE MONITORED BY THE NATIONAL WEATHER
SERVICE. RESIDENTS ALONG RIVERS...STREAMS...AND CREEKS SHOULD
PREPARE FOR RISING WATER LEVELS...AND BE PREPARED TO TAKE ACTION IF
WATERWAYS EXCEED BANKFULL.

$$

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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