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2 products issued by NWS for:

Freeze Warning

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
749 PM PDT TUE MAY 21 2013

...FREEZING TEMPERATURES EXPECTED TONIGHT AND WEDNESDAY MORNING...

AN UNSEASONABLY COLD AIRMASS HAS MOVED OVER THE REGION. AS SKIES
CLEAR AND WINDS DECREASE TONIGHT...TEMPERATURES WILL FALL TO OR
BELOW FREEZING IN MANY LOCATIONS. SENSITIVE VEGETATION MAY BE
AFFECTED BY COLD TEMPERATURES.

CAZ084-ORZ029-221600-
/O.CON.KMFR.FZ.W.0018.130522T0900Z-130522T1600Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-KLAMATH BASIN-
INCLUDING THE CITIES OF...TULELAKE...DORRIS...ALTAMONT...
KLAMATH FALLS
749 PM PDT TUE MAY 21 2013

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT
WEDNESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT
WEDNESDAY.

* TEMPERATURES...26 TO 30.

* TEMPERATURE INVERSION...THERE WILL BE NO INVERSION AND COLD
  AIR ALOFT WILL BE IN PLACE.

* LOCATIONS INCLUDE: ALTAMONT...KLAMATH FALLS...TULELAKE...
  DORRIS.

* IMPACTS...SENSITIVE VEGETATION COULD BE DAMAGED OR KILLED IF
  LEFT UNPROTECTED TONIGHT THROUGH WEDNESDAY MORNING.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$



Special Weather Statement

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEDFORD OR
413 PM PDT TUE MAY 21 2013

CAZ080>085-ORZ021>031-220900-
WESTERN SISKIYOU COUNTY-CENTRAL SISKIYOU COUNTY-
SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY-
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
CENTRAL DOUGLAS COUNTY-EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-
EASTERN DOUGLAS COUNTY FOOTHILLS-JACKSON COUNTY-
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ETNA...FORT JONES...GREENVIEW...YREKA...
WEED...MOUNT SHASTA...DUNSMUIR...MCCLOUD...TENNANT...TULELAKE...
DORRIS...ALTURAS...COOS BAY...NORTH BEND...REEDSPORT...BANDON...
PORT ORFORD...COQUILLE...BROOKINGS...HARBOR...GOLD BEACH...
DRAIN...ELKTON...ROSEBURG...SUTHERLIN...GREEN...MYRTLE CREEK...
CANYONVILLE...GLENDALE...GRANTS PASS...CAVE JUNCTION...
STEAMBOAT...TOKETEE FALLS...MEDFORD...ASHLAND...CRATER LAKE...
CRESCENT LAKE...DIAMOND LAKE...UNION CREEK...HOWARD PRAIRIE...
SISKIYOU SUMMIT...ALTAMONT...KLAMATH FALLS...BEATTY...BLY...
CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER...LAKEVIEW
413 PM PDT TUE MAY 21 2013

A FRONT IS MOVING THROUGH THE AREA THIS AFTERNOON AND EVENING.
WIDESPREAD SHOWERS ARE EXPECTED...ESPECIALLY WEST OF THE CASCADES.
SHOWERS MAY CONTAIN SMALL HAIL AND STRONG WINDS. VERY GUSTY WINDS
WILL CONTINUE INTO THE EVENING. BEHIND THE FRONT...A COLD SHOWERY
AIR MASS WILL REMAIN IN PLACE TONIGHT THROUGH WEDNESDAY. ALSO
TEMPERATURES WILL FALL SHARPLY TONIGHT AND WEDNESDAY MORNING.

SNOW LEVELS ARE EXPECTED TO DROP TO AROUND 2600 FEET BY TONIGHT.
COLD SHOWERS WILL BRING 3 TO 6 INCHES OF SNOW TO ALL SOUTHERN
OREGON CASCADE PASSES AND 1 TO 3 INCHES OVER SISKIYOU SUMMIT. SNOW
AMOUNTS OF 3 TO 6 INCHES ARE POSSIBLE ON THE HIGHER PORTIONS OF
BEAR CAMP ROAD. STATE ROUTE 46 TO THE OREGON CAVES MAY ALSO SEE
SEVERAL INCHES OF SNOW. OVERNIGHT SNOW LEVELS MAY DROP BRIEFLY
DOWN TO LOWER PASSES LIKE SEXTON SUMMIT AS WELL. HOWEVER...WITH
THE LONGER DAYS AND HIGHER SUN ANGLES...SOIL AND ROAD TEMPERATURES
ARE QUITE WARM AND SNOW MAY MELT QUICKLY...ESPECIALLY BELOW 3500
FEET ELEVATION.

COLD NIGHTTIME TEMPERATURES WILL BRING BELOW FREEZING TEMPERATURES
EAST OF THE CASCADES TONIGHT AND WEDNESDAY NIGHT. TEMPERATURES IN
PLACES EAST OF THE CASCADES MAY DROP INTO THE MID TO LOWER
20S...POSSIBLY CAUSING UNPROTECTED EXPOSED PIPES TO BURST. WEST OF
THE CASCADES TEMPERATURES ARE EXPECTED TO LOWER IN THE MID 30S FOR
MANY LOCATIONS TONIGHT AND AROUND FREEZING IN THE SHASTA VALLEY.

STAY TUNED TO YOUR LOCAL NATIONAL WEATHER SERVICE FORECASTS FOR
UPDATES AS THE SYSTEM PROGRESSES.

$$

CC/TRW






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Page last modified: May 16, 2007
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