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Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE POCATELLO ID
402 AM MDT FRI APR 18 2014

IDZ017>025-031-032-191015-
EASTERN MAGIC VALLEY-SAWTOOTH MOUNTAINS-UPPER SNAKE HIGHLANDS-
UPPER SNAKE RIVER PLAIN-LOWER SNAKE RIVER PLAIN-
SOUTH CENTRAL HIGHLANDS-CARIBOU HIGHLANDS-
CACHE VALLEY/IDAHO PORTION-WASATCH MOUNTAINS/IDAHO PORTION-
BIG AND LITTLE WOOD RIVER REGION-LOST RIVER/PAHSIMEROI-
402 AM MDT FRI APR 18 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO.

.DAY ONE...TODAY AND TONIGHT

WINDS WILL BE GUSTY INTO THE AFTERNOON HOURS TODAY IN THE WAKE OF
A COLD FRONT. ISOLATED NON-SEVERE THUNDERSTORMS ARE POSSIBLE AS
WELL THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

ANOTHER WEATHER SYSTEM WILL IMPACT THE REGION EARLY TUESDAY
BRINGING RAIN AND MOUNTAIN SNOW. SNOW LEVELS COULD DROP AS LOW AS
4500 FT ON WEDNESDAY. ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS
THE AREA AS THE SYSTEM DRAWS NEAR.

.SPOTTER INFORMATION STATEMENT...

WE ASK TRAINED SPOTTERS AND CITIZENS TO REPORT SIGNIFICANT
WEATHER CONDITIONS WHEN IT IS SAFE TO DO SO. THESE CONDITIONS MAY
INCLUDE HAIL...TORNADOES...STRONG WIND...DUST STORMS...SNOWFALL...
EXTREME COLD TEMPERATURES...FREEZING RAIN OR HEAVY RAIN...DENSE
FOG...AND FLOODING OR ICE JAMS. INFORMATION ABOUT THESE HAZARDOUS
CONDITIONS SHOULD BE CALLED INTO YOUR NATIONAL WEATHER SERVICE
OFFICE IN POCATELLO USING THE 1-800 SEVERE WEATHER HOTLINE...OR
208-233-0834.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
245 AM MDT FRI APR 18 2014

UTZ001>016-019>021-517-518-WYZ021-191300-
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-
245 AM MDT FRI APR 18 2014

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

.DAY ONE...TODAY AND TONIGHT

A COOL FRONT WILL BRING THE CHANCE FOR SHOWERS AND THUNDERSTORMS
MAINLY TO THE NORTH TODAY...WITH GUSTY SOUTHWEST WINDS AHEAD OF
THE FRONT ACROSS PORTIONS OF CENTRAL AND SOUTHERN UTAH. SHOWER
ACTIVITY WILL INCREASE ACROSS THE REGION TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

ANOTHER ROUND OF SCATTERED SHOWERS AND THUNDERSTORMS ACROSS THE
REGION IS EXPECTED SATURDAY...WITH THINNING ACTIVITY FORECAST
SUNDAY MAINLY IN THE MOUNTAINS.

A MORE SIGNIFICANT STORM IS EXPECTED MID WEEK. STRONG SOUTH WINDS
TUESDAY WILL LIKELY BRING VERY WARM TEMPERATURES TO THE REGION.
THEN...A SHARP COLD FRONT IS FORECAST TO CROSS THE REGION TUESDAY
NIGHT CONTINUING HIGH WINDS FROM THE NORTHWEST AND BRINGING IN
MUCH COLDER AIR ALONG WITH THE THREAT OF SHOWERS.

THERE IS A POTENTIAL OF A HARD FREEZE AT THE END OF THE WORK
WEEK.

.SPOTTER INFORMATION STATEMENT...

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

$$

ROGOWSKI/KRUSE

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


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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