Frost Advisory

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
317 AM MDT FRI MAY 24 2013

IDZ017-020-021-241400-
/O.CON.KPIH.FR.Y.0001.000000T0000Z-130524T1400Z/
EASTERN MAGIC VALLEY-UPPER SNAKE RIVER PLAIN-
LOWER SNAKE RIVER PLAIN-
INCLUDING THE CITIES OF...BURLEY...RUPERT...SHOSHONE...CAREY...
IDAHO FALLS...REXBURG...RIGBY...POCATELLO...BLACKFOOT
317 AM MDT FRI MAY 24 2013

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM MDT THIS MORNING...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM MDT THIS MORNING.

* TEMPERATURE...32 TO 36 DEGREES F.

* LOCATIONS INCLUDE...MAINLY RURAL AND OUTLYING AREAS OF THE
  SNAKE RIVER PLAIN AND EASTERN MAGIC VALLEY.

* IMPACTS...DAMAGE TO TEMPERATURE-SENSITIVE PLANTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

Special Weather Statement

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PENDLETON OR
418 AM PDT FRI MAY 24 2013

ORZ050-502-509-WAZ030-241900-
WALLOWA COUNTY-NORTHERN BLUE MOUNTAINS OF OREGON-
EAST SLOPES OF THE OREGON CASCADES-
NORTHWEST BLUE MOUNTAINS OF WASHINGTON-
INCLUDING THE CITIES OF...ENTERPRISE...JOSEPH...WALLOWA...
MEACHAM...TOLLGATE...BEND...CAMP SHERMAN...LA PINE...SISTERS...
SUNRIVER...SKI BLUEWOOD RESORT
418 AM PDT FRI MAY 24 2013

...LATE SEASON SNOW EXPECTED TO CONTINUE AT TIMES IN THE CENTRAL
OREGON CASCADES AND IN THE BLUE MOUNTAINS THIS MORNING...

AN UNSEASONABLY COLD LATE SEASON WEATHER SYSTEM WILL CONTINUE TO
PRODUCE SNOW AT TIMES IN THE CENTRAL OREGON CASCADES...THE OREGON
CASCADE EAST SLOPES...THE NORTHERN BLUE MOUNTAINS AND WALLOWA
COUNTY THIS MORNING.

THE LOW PRESSURE SYSTEM WILL TRACK ACROSS NORTHEAST OREGON AND
SOUTHEAST WASHINGTON TODAY BRINGING PERIODS OF SNOW IN THE HIGHER
ELEVATIONS OF CENTRAL OREGON AND OVER THE CASCADE EAST SLOPES OF
OREGON. PERIODS OF SNOW CAN ALSO BE EXPECTED OVER THE NORTHERN
BLUE MOUNTAINS OF NORTHEAST OREGON AND SOUTHEAST WASHINGTON AS
WELL AS WALLOWA COUNTY THIS MORNING. SNOW LEVELS WILL START OUT
AROUND 4000 TO 4500 FEET AND WILL RISE TO 5000 TO 5500 FEET BY
THIS AFTERNOON. SNOW ACCUMULATIONS WILL RANGE FROM 1 TO 3 INCHES
IN THESE AREAS THIS MORNING ABOVE 4000 TO 4500 FEET.

USE CAUTION WHEN TRAVELING AND DOING ANY OUTDOOR ACTIVITIES IN
THE CASCADES...THE NORTHERN BLUE MOUNTAINS AND WALLOWA COUNTY
THIS MORNING.

$$

Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
446 AM PDT FRI MAY 24 2013

ORZ041-044-049-050-502-503-505>507-WAZ024-026>030-520-521-251200-
EASTERN COLUMBIA RIVER GORGE OF 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-
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-
446 AM PDT FRI MAY 24 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
OREGON...NORTH CENTRAL OREGON...NORTHEAST OREGON...CENTRAL
WASHINGTON...SOUTH WASHINGTON...SOUTH CENTRAL WASHINGTON AND
SOUTHEAST WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

THE ATMOSPHERE WILL BECOME UNSTABLE THIS AFTERNOON AND EARLY THIS
EVENING AS AN UPPER LOW PRESSURE SYSTEM LINGERS OVER THE AREA
THROUGH THE DAY. THIS WILL RESULT IN POSSIBLE AFTERNOON AND EARLY
EVENING THUNDERSTORMS. SOME OF THE STRONGER THUNDERSTORMS MAY
CONTAIN SMALL HAIL...GUSTY WINDS AND HEAVY RAIN.

IN ADDITION THERE WILL BE SNOW SHOWERS OVER CENTRAL OREGON...THE
NORTHERN BLUE MOUNTAINS AND IN WALLOWA COUNTY OREGON WHERE 1 TO 3
INCHES OF SNOW MAY ACCUMULATE ABOVE 4000 TO 4500 FEET THIS
MORNING. SNOW LEVELS WILL RISE TO 5000 TO 5500 FEET BY AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

ANOTHER LOW PRESSURE SYSTEM WILL MOVE INTO THE REGION BY LATE
SATURDAY AND CONTINUE THROUGH AT LEAST MONDAY. THIS SYSTEM MAY
PRODUCE ISOLATED AFTERNOON AND EVENING THUNDERSTORMS AGAIN EACH
DAY SATURDAY THROUGH MONDAY OVER EASTERN AND SOUTHERN AREAS.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE POCATELLO ID
335 AM MDT FRI MAY 24 2013

IDZ017>025-031-032-251000-
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-
335 AM MDT FRI MAY 24 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO.

.DAY ONE...TODAY AND TONIGHT

A FEW SHOWERS AND STORMS ARE POSSIBLE ACROSS FAR WESTERN PORTIONS
OF THE CENTRAL MOUNTAINS THROUGH LATE AFTERNOON. TEMPERATURES WILL
FALL TO THE LOW/MID 30S ACROSS THE SNAKE PLAIN AND MAGIC VALLEY
THIS MORNING. THE FROST ADVISORY REMAINS IN EFFECT THROUGH 8AM.
THE POTENTIAL FOR A FROST OR FREEZE EXISTS AGAIN
TONIGHT...ALTHOUGH IT WILL BE 1-4 DEGREES WARMER. ANOTHER FROST
ADVISORY MIGHT BE NEEDED FOR THE SNAKE PLAIN AND MAGIC VALLEY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SHOWERS AND THUNDERSTORMS ARE FORECAST ALL THE WAY THROUGH MEMORIAL
DAY. THERE IS SOME UNCERTAINTY ON HOW QUICKLY THE SYSTEM WILL MOVE
THROUGH EASTERN IDAHO. IT COULD BE AS EARLY AS SUNDAY AFTERNOON OR
AS MUCH AS 24 HOURS LATER. ANY SHOWERS AND STORMS SATURDAY WILL
BE IN THE CENTRAL MOUNTAINS. SUNDAY AND/OR MONDAY WOULD BE THE
BEST CHANCE FOR EVERYONE. LIGHT SNOW IS STILL POSSIBLE ON THE
HIGHEST PEAKS OF THE CENTRAL MOUNTAINS.

ANOTHER SLOW MOVING SYSTEM FOR THE REST OF NEXT WEEK WILL KEEP A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE FORECAST.

.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.

$$