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Total Number of Reports (7)
Maximum of 10 Reports Per Page |  |  |
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
544 AM PDT THU MAY 24 2012
ORZ041-042-044-049-050-502-503-505>509-WAZ024-026>030-520-521-
251245-
EASTERN COLUMBIA RIVER GORGE OF OREGON-NORTH CENTRAL OREGON-
LOWER COLUMBIA BASIN OF OREGON-GRANDE RONDE VALLEY-WALLOWA COUNTY-
NORTHERN BLUE MOUNTAINS OF OREGON-
SOUTHERN BLUE MOUNTAINS OF OREGON-JOHN DAY BASIN-OCHOCO-
JOHN DAY HIGHLANDS-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
EAST SLOPES OF THE OREGON CASCADES-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-KITTITAS VALLEY-
YAKIMA VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
NORTHWEST BLUE MOUNTAINS OF WASHINGTON-
EAST SLOPES OF THE WASHINGTON CASCADES-SIMCOE HIGHLANDS-
544 AM PDT THU MAY 24 2012
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.
.DAY ONE...TODAY AND TONIGHT
THUNDERSTORMS
EAST SLOPES OF THE WASHINGTON CASCADES, SIMCOE HIGHLANDS,
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON, KITTITAS VALLEY,
YAKIMA VALLEY, LOWER COLUMBIA BASIN OF WASHINGTON, FOOTHILLS
OF THE BLUE MOUNTAINS OF WASHINGTON, NORTHWEST BLUE MOUNTAINS
OF WASHINGTON, EASTERN COLUMBIA RIVER GORGE OF OREGON, NORTH
CENTRAL OREGON, EAST SLOPES OF THE OREGON CASCADES, LOWER
COLUMBIA BASIN OF OREGON, GRANDE RONDE VALLEY, WALLOWA COUNTY,
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, NORTHERN
BLUE MOUNTAINS OF OREGON, SOUTHERN BLUE MOUNTAINS OF OREGON,
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, JOHN DAY
BASIN, OCHOCO-JOHN DAY HIGHLANDS
UPPER LEVEL LOW WILL CONTINUE TO DEEPEN OVER THE AREA TODAY. VERY
COLD AIR ALOFT WILL ALLOW FOR MARGINALLY UNSTABLE CONDITIONS ACROSS
THE ENTIRE FORECAST AREA. THEREFORE...THERE IS A SLIGHT CHANCE FOR
THUNDERSTORMS THIS AFTERNOON AND EVENING. BY TONIGHT RAIN SHOWERS
SHOULD BE MAINLY ALONG THE SOUTHERN ZONES.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
THUNDERSTORMS FRIDAY
NORTHWEST BLUE MOUNTAINS OF WASHINGTON, GRANDE RONDE VALLEY,
WALLOWA COUNTY, FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF
OREGON, NORTHERN BLUE MOUNTAINS OF OREGON, SOUTHERN BLUE
MOUNTAINS OF OREGON, JOHN DAY BASIN, OCHOCO-JOHN DAY HIGHLANDS
AS THE LOW MOVES FURTHER SOUTH ON FRIDAY SHOWER ACTIVITY WILL BE
MAINLY OVER CENTRAL AND NORTHEAST OREGON. THERE IS ENOUGH
INSTABILITY FRIDAY AFTERNOON FOR A SLIGHT CHANCE OF
THUNDERSTORMS...MAINLY OVER THE MOUNTAINS OF NORTHEAST OREGON.
CONDITIONS SHOULD IMPROVE OVER THE HOLIDAY WEEKEND AND INTO NEXT
WEEK...WITH WARMER TEMPERATURES AND LESS PRECIPITATION.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUIRED.
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
GRAPHICAL FORECASTS OF WEATHER HAZARDS OUT TO SEVEN DAYS
ARE DISPLAYED ON THE WORLD WIDE WEB AT:
WWW.WRH.NOAA.GOV/PDT/CURRENTHAZARDS/HWO.HTML
ALL LETTERS IN THE ABOVE URL ARE LOWER CASE.
$$
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREAT FALLS MT
547 AM MDT THU MAY 24 2012
MTZ008-012-015-050-051-054-055-251200-
BEAVERHEAD-CASCADE-MADISON-JUDITH BASIN-FERGUS-MEAGHER-GALLATIN-
547 AM MDT THU MAY 24 2012
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL MONTANA
AND SOUTHWEST MONTANA.
.DAY ONE...TODAY AND TONIGHT
A WINTER STORM WARNING HAS BEEN ISSUED FOR ELEVATIONS ABOVE 6000
FEET BEGINNING AT 6 PM THIS EVENING.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
THE WINTER STORM WARNING FOR ELEVATIONS ABOVE 6000 FEET REMAINS IN
EFFECT THROUGH NOON SUNDAY. A WINTER WEATHER ADVISORY FOR
ELEVATIONS BELOW 6000 FEET IS IN EFFECT FROM LATE FRIDAY NIGHT
THROUGH NOON SUNDAY. SIGNIFICANT SNOW AMOUNTS ARE EXPECTED IN THE
MOUNTAINS THROUGH MUCH OF THE MEMORIAL DAY WEEKEND. RAIN AND SNOW
IS EXPECTED IN THE VALLEYS AND OVER THE PLAINS WITH LIGHT SNOW
ACCUMULATIONS EXPECTED DURING THE LATE NIGHT AND EARLY MORNING
HOURS ON SATURDAY AND SUNDAY.
.SPOTTER INFORMATION STATEMENT...
REPORTS OF SNOWFALL...ICE ACCUMULATION OR SIGNIFICANT RESTRICTIONS
TO VISIBILITY WOULD BE GREATLY APPRECIATED.
$$
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREAT FALLS MT
547 AM MDT THU MAY 24 2012
MTZ009>011-013-044>049-251200-
NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL-CHOUTEAU-TOOLE-
LIBERTY-EASTERN PONDERA-BLAINE-SOUTHERN ROCKY MOUNTAIN FRONT-
EASTERN TETON-
547 AM MDT THU MAY 24 2012
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
MONTANA.
.DAY ONE...TODAY AND TONIGHT
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER FOR TODAY AND
TONIGHT IS LOW.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
A COOL AND WET PATTERN WILL PREVAIL THROUGH MUCH OF THE MEMORIAL
DAY WEEKEND WITH WIDESPREAD SNOW EXPECTED IN THE MOUNTAINS. RAIN
IS GENERALLY EXPECTED AT LOWER ELEVATIONS BUT COULD MIX WITH OR
CHANGE OVER TO ALL SNOW AT TIMES...ESPECIALLY SATURDAY AND SUNDAY
MORNING. WINTER WEATHER HIGHLIGHTS MAY BECOME NECESSARY AS
CONFIDENCE INCREASES OVER TIMING AND LOCATION OF THIS SYSTEM.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
$$
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREAT FALLS MT
547 AM MDT THU MAY 24 2012
MTZ014-052-053-251200-
CENTRAL AND SOUTHERN LEWIS AND CLARK-JEFFERSON-BROADWATER-
547 AM MDT THU MAY 24 2012
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
MONTANA.
.DAY ONE...TODAY AND TONIGHT
A WINTER WEATHER ADVISORY IS IN EFFECT BEGINNING AT 6 PM THIS
EVENING.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
THE WINTER WEATHER ADVISORY REMAINS IN EFFECT THROUGH NOON SUNDAY.
LIGHT TO MODERATE SNOW AMOUNTS ARE EXPECTED IN THE MOUNTAINS
THROUGH MUCH OF THE MEMORIAL DAY WEEKEND. RAIN AND SNOW IS
EXPECTED IN THE VALLEYS WITH LIGHT SNOW ACCUMULATIONS EXPECTED
DURING THE LATE NIGHT AND EARLY MORNING HOURS ON SATURDAY AND
SUNDAY.
.SPOTTER INFORMATION STATEMENT...
REPORTS OF SNOWFALL...ICE ACCUMULATION OR SIGNIFICANT RESTRICTIONS
TO VISIBILITY WOULD BE GREATLY APPRECIATED.
$$
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
532 AM MDT THU MAY 24 2012
WYZ001>020-022>030-251100-
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-
532 AM MDT THU MAY 24 2012
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.
.DAY ONE...TODAY AND TONIGHT
ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS MAINLY NORTHERN WYOMING IN
THE AFTERNOON AND EVENING. SOME LIGHT SNOW ACCUMULATIONS ARE
POSSIBLE ABOVE 6000 TO 6500 FEET FROM THE WIND RIVER MOUNTAINS EAST
TO CASPER MOUNTAIN LATER TONIGHT.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
FRIDAY THROUGH SUNDAY MORNING...SIGNIFICANT SNOW ACCUMULATIONS
POSSIBLE ABOVE 8000 FEET IN THE CENTRAL AND NORTHERN MOUNTAINS. AREAS
OF RAIN POSSIBLE ACROSS THE CENTRAL AND NORTHERN BASINS. ISOLATED TO
SCATTERED THUNDERSTORMS WITH STRONG GUSTY WINDS ARE POSSIBLE
SATURDAY AFTERNOON AND EVENING. TRAVELERS AND THOSE MAKING OUTDOOR
PLANS FOR THE HOLIDAY WEEKEND SHOULD MONITOR THE LATEST FORECASTS ON
THIS POTENTIAL SPRING STORM.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.
$$
TEAM RIVERTON
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
505 AM MDT THU MAY 24 2012
MTZ028>042-056>058-063>068-WYZ098-099-251115-
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-
505 AM MDT THU MAY 24 2012
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...SOUTH CENTRAL MONTANA...SOUTHEAST MONTANA AND NORTH
CENTRAL WYOMING.
.DAY ONE...TODAY AND TONIGHT
SNOW WILL DEVELOP TODAY IN THE HIGH COUNTRY AND BECOME HEAVY AT
TIMES TONIGHT. SNOW ACCUMULATIONS TONIGHT WILL RANGE FROM 4 TO 8
INCHES OVER AREA MOUNTAINS...WITH LIGHT SNOW ACCUMULATIONS
EXPECTED IN FOOTHILLS LOCATIONS ABOVE 4500 FEET. A RAIN/SNOW MIX
IS POSSIBLE AREAS WEST OF A SHERIDAN TO ROUNDUP LINE AT ELEVATIONS
BELOW 4500 FEET BUT LITTLE OR NO SNOW ACCUMULATION IS EXPECTED.
ROADWAYS IN LOWER ELEVATION AND FOOTHILLS LOCATIONS ARE EXPECTED
TO REMAIN MAINLY WET...BUT MOUNTAIN ROADWAYS INCLUDING THE
BEARTOOTH HIGHWAY...BOZEMAN PASS AND HIGHWAY 14 OVER THE BIG HORN
MOUNTAINS WILL LIKELY BE SNOW COVERED AND SLICK.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
A POTENT SPRING STORM SYSTEM WILL BRING WIDESPREAD PRECIPITATION
ACCUMULATIONS OF 1 TO 2 INCHES TO THE AREA FROM FRIDAY THROUGH
EARLY SUNDAY. MOUNTAIN LOCATIONS WILL SEE 1 TO 2 FEET OF HEAVY
WET SNOW FROM THIS SYSTEM...WITH POTENTIALLY 4 TO 8 INCHES OF SNOW
IN SOME FOOTHILLS LOCATIONS INCLUDING NYE AND RED LODGE. ROADWAYS
IN THE FOOTHILLS AND LOWER ELEVATIONS ARE EXPECTED TO REMAIN
MAINLY WET TO OCCASIONALLY SLUSH COVERED. MOUNTAIN ROADWAYS
INCLUDING THE BEARTOOTH HIGHWAY...BOZEMAN PASS AND HIGHWAY 14 OVER
THE BIG HORN MOUNTAINS WILL LIKELY BE SNOW COVERED AND SLICK AND
MAY BE IMPASSABLE AT TIMES. HEAVY WET SNOW FALLING ON TREES AND
POWER LINES MAY RESULT IN POWER OUTAGES AND TREE DAMAGE IN
FOOTHILLS AND MOUNTAIN LOCATIONS ABOVE 4500 FEET. PRECIPITATION IS
EXPECTED TO DIMINISH SUNDAY INTO MONDAY.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
$$
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE POCATELLO ID
440 AM MDT THU MAY 24 2012
IDZ017>025-031-032-251045-
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-
440 AM MDT THU MAY 24 2012
THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO.
.DAY ONE...TODAY AND TONIGHT
EXPECT AFTERNOON ISOLATED THUNDERSTORMS WITH MODERATE WINDS
TODAY. TEMPERATURES WILL BE MUCH COOLER THAN NORMAL.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
EXPECT A REPEAT OF AFTERNOON THUNDERSTORMS WITH MODERATE WINDS ON
FRIDAY AND SATURDAY. LOOK FOR WIDESPREAD PRECIPITATION FRIDAY AND SATURDAY
CAUSING MODERATE RISES IN SMALL STREAMS AND LOCAL RIVERS. LOOK FOR
6 TO 12 INCHES OF SNOW FRIDAY THROUGH SUNDAY ABOVE 7000 FT FOR THE
CENTRAL MOUNTAINS AND THE UPPER SNAKE HIGHLANDS. EXPECT 3 TO 6
INCHES OF SNOW ABOVE 7000 FT OVER THE CARIBOU HIGHLANDS AND THE
WASATCH MOUNTAINS FRIDAY THROUGH SUNDAY.
.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.
$$
| | Page 1 of 1
Total Number of Reports (7)
Maximum of 10 Reports Per Page | | |
