Alert archive / Washington / High Wind Warnings in 2011

High Wind Warning 7, NWS Pendleton, OR

March 29, 2011Kittitas County, Yakima County, Washington

NWS Pendleton, OR issued this high wind warning at Mar 29, 2011, 2:40 PM PDT for Kittitas County, Yakima County, Washington. It took effect at Mar 30, 2011, 11:00 AM PDT. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 29, 2011, 2:40 PM PDT (21:40 UTC)
In effect from
Mar 30, 2011, 11:00 AM PDT
Expired
Mar 30, 2011, 11:00 PM PDT
In force
12 hr
Issued by
NWS Pendleton, OR

Counties Kittitas County, WA, Yakima County, WA

The radar

The Pendleton radar (KPDT), 188 km from the middle of the area, began a volume at 21:44 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Salem/Mcnary, OR (KSLE), launched 12:00Z, 9.7 hours before the alert went out and 273 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Salem/Mcnary, OR at 12:00Z on 2011-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salem/Mcnary, OR at 12:00Z on 2011-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 309 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
467 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
309 m²/s²
0-3 km storm-relative helicity
350 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

595 
WWUS76 KPDT 292140
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
240 PM PDT TUE MAR 29 2011

...STRONG AND POTENTIALLY DAMAGING WINDS EXPECTED WEDNESDAY...

.WESTERLY WINDS WILL DRAMATICALLY INCREASE BEHIND A STORM
DEPARTING FROM THE AREA WEDNESDAY. STRONG SINKING MOTION IN THE
ATMOSPHERE ALONG WITH A PASSING JET STREAM WILL BRING WINDS ALOFT
DOWN TOWARD THE SURFACE. MOST AREAS WILL SEE WINDS INCREASE BY LATE
WEDNESDAY MORNING WITH THE STRONGEST SPEEDS EXPECTED TO OCCUR
DURING THE LATE AFTERNOON THROUGH EARLY EVENING HOURS. THE
GREATEST WIND POTENTIAL WILL BE FELT THROUGH THE KITTITAS VALLEY
AND HIGHER ELEVATIONS OF THE CASCADE EAST SLOPES, HOWEVER, THE
LOWER ELEVATIONS WILL EXPERIENCE STRONG GUSTY WINDS AS WELL. WINDS
ARE EXPECTED TO DIMINISH OVERNIGHT WEDNESDAY NIGHT.

WAZ026-300600-
/O.NEW.KPDT.HW.W.0007.110330T1800Z-110331T0600Z/
KITTITAS VALLEY-
INCLUDING THE CITIES OF...ELLENSBURG...THORP
240 PM PDT TUE MAR 29 2011

...HIGH WIND WARNING IN EFFECT FROM 11 AM TO 11 PM PDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 11 PM PDT WEDNESDAY. 

* TIMING: STRONG WINDS WILL DEVELOP BY LATE WEDNESDAY MORNING
  WITH THE HIGHEST SPEEDS EXPECTED TO OCCUR LATE IN THE AFTERNOON
  AND EARLY IN THE EVENING.

* WINDS: NORTHWESTERLY SUSTAINED WINDS OF 30 TO 40 MPH WITH GUSTS
  TO 55 MPH ARE INITIALLY EXPECTED BUT WILL BECOME 35 TO 45 MPH WITH
  GUSTS UP TO 60 MPH BY LATE AFTERNOON.

* IMPACTS: SATURATED SOILS MAY RESULT IN TREES BEING TOPPLED ALONG
  WITH LARGE BREAKING LIMBS. DRIVING FOR HIGH PROFILE VEHICLES MAY
  BECOME DIFFICULT, IF NOT IMPOSSIBLE, AT TIMES. LOOSE OBJECTS MAY
  BECOME AIRBORNE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING IS ISSUED WHEN SUSTAINED WINDS ARE EXPECTED
TO BE 40 MPH OR GREATER WITH GUSTS IN EXCESS OF 58 MPH. THESE
WINDS CAN EASILY TOSS AROUND LOOSE OBJECTS AND DOWN LARGE TREE
LIMBS AND POWERLINES. THOSE VENTURING OUTDOORS SHOULD USE EXTREME
CAUTION AND BE ALERT FOR FLYING DEBRIS. DRIVING MAY ALSO BE
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. FOR ADDITIONAL
WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&

$$

ORZ041-042-508-509-WAZ024-027-520-521-300600-
/O.NEW.KPDT.WI.Y.0016.110330T1400Z-110331T0600Z/
EASTERN COLUMBIA RIVER GORGE OF OREGON-NORTH CENTRAL OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
EAST SLOPES OF THE OREGON CASCADES-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-YAKIMA VALLEY-
EAST SLOPES OF THE WASHINGTON CASCADES-SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF...ARLINGTON...THE DALLES...DUFUR...
MADRAS...MAUPIN...MORO...PRINEVILLE...REDMOND...HEPPNER...
CONDON...FOSSIL...BEND...LA PINE...SUNRIVER...WHITE SALMON...
NACHES...SUNNYSIDE...TOPPENISH...YAKIMA...APPLETON...CLE ELUM...
CLIFFDELL...EASTON...ROSLYN...TROUT LAKE...BICKLETON...GOLDENDALE
240 PM PDT TUE MAR 29 2011

...WIND ADVISORY IN EFFECT FROM 7 AM TO 11 PM PDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 AM TO 11 PM PDT WEDNESDAY. 

* TIMING: WINDS WILL INCREASE BY LATE WEDNESDAY MORNING WITH THE
  HIGHEST SPEEDS EXPECTED TO OCCUR IN THE AFTERNOON AND EARLY
  EVENING. 

* WINDS: PEAK SUSTAINED WESTERLY WINDS OF 30 TO 40 MPH WITH GUSTS
  UP TO 55 MPH ARE EXPECTED.

* IMPACTS: SATURATED SOILS MAY RESULT IN TREES BEING TOPPLED ALONG
  WITH LARGE BREAKING LIMBS. DRIVING FOR HIGH PROFILE VEHICLES MAY
  BECOME DIFFICULT AT TIMES...ESPECIALLY ALONG NORTH AND SOUTH
  ROUTES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST
BETWEEN 30 AND 39 MPH OR GUSTS RANGING FROM 45 TO 57 MPH. WINDS
OF THESE MAGNITUDES CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. MINOR PROPERTY DAMAGE MAY ALSO OCCUR. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&

$$

ORZ044-507-WAZ028-029-300600-
/O.NEW.KPDT.WI.Y.0016.110330T1800Z-110331T0600Z/
LOWER COLUMBIA BASIN OF OREGON-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
INCLUDING THE CITIES OF...BOARDMAN...HERMISTON...IONE...
PENDLETON...PILOT ROCK...CONNELL...PROSSER...TRI-CITIES...
DAYTON...WAITSBURG...WALLA WALLA
240 PM PDT TUE MAR 29 2011

...WIND ADVISORY IN EFFECT FROM 11 AM TO 11 PM PDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM TO 11 PM PDT WEDNESDAY. 

* TIMING: WINDS WILL INCREASE BY LATE WEDNESDAY MORNING WITH THE
  HIGHEST SPEEDS EXPECTED TO OCCUR LATE IN THE AFTERNOON AND EARLY
  IN THE EVENING. 

* WINDS: PEAK SUSTAINED WESTERLY WINDS OF 30 TO 40 MPH WITH GUSTS
  UP TO 55 MPH ARE EXPECTED.

* IMPACTS: SATURATED SOILS MAY RESULT IN TREES BEING TOPPLED ALONG
  WITH LARGE BREAKING LIMBS. DRIVING FOR HIGH PROFILE VEHICLES MAY
  BECOME DIFFICULT AT TIMES...ESPECIALLY ALONG NORTH AND SOUTH
  ROUTES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST
BETWEEN 30 AND 39 MPH OR GUSTS RANGING FROM 45 TO 57 MPH. WINDS
OF THESE MAGNITUDES CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. MINOR PROPERTY DAMAGE MAY ALSO OCCUR. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&

$$
4 follow-up statements
841 
WWUS76 KPDT 300327
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
827 PM PDT TUE MAR 29 2011

...STRONG AND POTENTIALLY DAMAGING WINDS EXPECTED WEDNESDAY...

.WESTERLY WINDS WILL DRAMATICALLY INCREASE BEHIND A STORM
DEPARTING FROM THE AREA WEDNESDAY. STRONG SINKING MOTION IN THE
ATMOSPHERE ALONG WITH A PASSING JET STREAM WILL BRING WINDS ALOFT
DOWN TOWARD THE SURFACE. MOST AREAS WILL SEE WINDS INCREASE BY
LATE WEDNESDAY MORNING WITH THE STRONGEST SPEEDS EXPECTED TO
OCCUR DURING THE LATE AFTERNOON THROUGH EARLY EVENING HOURS. THE
GREATEST WIND POTENTIAL WILL BE FELT THROUGH THE KITTITAS VALLEY
AND HIGHER ELEVATIONS OF THE CASCADE EAST SLOPES...HOWEVER...THE
LOWER ELEVATIONS WILL EXPERIENCE STRONG GUSTY WINDS AS WELL.
WINDS ARE EXPECTED TO DIMINISH OVERNIGHT WEDNESDAY NIGHT.

WAZ026-301300-
/O.CON.KPDT.HW.W.0007.110330T1800Z-110331T0600Z/
KITTITAS VALLEY-
INCLUDING THE CITIES OF...ELLENSBURG...THORP
827 PM PDT TUE MAR 29 2011

...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM PDT
WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM PDT
WEDNESDAY. 

* TIMING: STRONG WINDS WILL DEVELOP BY LATE WEDNESDAY MORNING WITH
  THE HIGHEST SPEEDS EXPECTED TO OCCUR BY LATE IN THE AFTERNOON
  AND EARLY IN THE EVENING.

* WINDS: NORTHWESTERLY SUSTAINED WINDS OF 30 TO 40 MPH WITH 
  GUSTS TO 55 MPH ARE INITIALLY EXPECTED BUT WILL BECOME 35 TO 
  45 MPH WITH GUSTS UP TO 60 MPH BY LATE AFTERNOON. 

* IMPACTS: SATURATED SOILS MAY RESULT IN TREES BEING TOPPLED ALONG
  WITH LARGE BREAKING LIMBS. DRIVING FOR HIGH PROFILE VEHICLES MAY
  BECOME DIFFICULT...IF NOT IMPOSSIBLE AT TIMES. LOOSE OBJECTS MAY
  BECOME AIRBORNE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING IS ISSUED WHEN SUSTAINED WINDS ARE EXPECTED
TO BE 40 MPH OR GREATER WITH GUSTS IN EXCESS OF 58 MPH. THESE
WINDS CAN EASILY TOSS AROUND LOOSE OBJECTS AND DOWN LARGE TREE
LIMBS AND POWERLINES. THOSE VENTURING OUTDOORS SHOULD USE EXTREME
CAUTION AND BE ALERT FOR FLYING DEBRIS. DRIVING MAY ALSO BE
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. FOR ADDITIONAL
WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&

$$

ORZ041-042-508-509-WAZ024-027-520-521-301300-
/O.CON.KPDT.WI.Y.0016.110330T1400Z-110331T0600Z/
EASTERN COLUMBIA RIVER GORGE OF OREGON-NORTH CENTRAL OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
EAST SLOPES OF THE OREGON CASCADES-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-YAKIMA VALLEY-
EAST SLOPES OF THE WASHINGTON CASCADES-SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF...ARLINGTON...THE DALLES...DUFUR...
MADRAS...MAUPIN...MORO...PRINEVILLE...REDMOND...HEPPNER...
CONDON...FOSSIL...BEND...LA PINE...SUNRIVER...WHITE SALMON...
NACHES...SUNNYSIDE...TOPPENISH...YAKIMA...APPLETON...CLE ELUM...
CLIFFDELL...EASTON...ROSLYN...TROUT LAKE...BICKLETON...GOLDENDALE
827 PM PDT TUE MAR 29 2011

...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 11 PM PDT
WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 11 PM PDT
WEDNESDAY. 

* TIMING: WINDS WILL INCREASE BY LATE WEDNESDAY MORNING WITH THE 
  HIGHEST SPEEDS EXPECTED TO OCCUR IN THE AFTERNOON AND EARLY 
  EVENING. 

* WINDS: PEAK SUSTAINED WESTERLY WINDS OF 30 TO 40 MPH WITH 
  GUSTS UP TO 55 MPH ARE EXPECTED. 

* IMPACTS: SATURATED SOILS MAY RESULT IN TREES BEING TOPPLED
  ALONG WITH LARGE BREAKING LIMBS. DRIVING FOR HIGH PROFILE 
  VEHICLES MAY BECOME DIFFICULT AT TIMES...ESPECIALLY ALONG 
  NORTH AND SOUTH ROUTES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST
BETWEEN 30 AND 39 MPH OR GUSTS RANGING FROM 45 TO 57 MPH. WINDS
OF THESE MAGNITUDES CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. MINOR PROPERTY DAMAGE MAY ALSO OCCUR. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&

$$

ORZ044-507-WAZ028-029-301300-
/O.CON.KPDT.WI.Y.0016.110330T1800Z-110331T0600Z/
LOWER COLUMBIA BASIN OF OREGON-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
INCLUDING THE CITIES OF...BOARDMAN...HERMISTON...IONE...
PENDLETON...PILOT ROCK...CONNELL...PROSSER...TRI-CITIES...
DAYTON...WAITSBURG...WALLA WALLA
827 PM PDT TUE MAR 29 2011

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 11 PM PDT
WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 11 PM PDT
WEDNESDAY. 

* TIMING: WINDS WILL INCREASE BY LATE WEDNESDAY MORNING WITH THE 
  HIGHEST SPEEDS EXPECTED TO OCCUR LATE IN THE AFTERNOON AND 
  EARLY IN THE EVENING. 

* WINDS: PEAK SUSTAINED WESTERLY WINDS OF 30 TO 40 MPH WITH 
  GUSTS UP TO 55 MPH ARE EXPECTED. 

* IMPACTS: SATURATED SOILS MAY RESULT IN TREES BEING TOPPLED
  ALONG WITH LARGE BREAKING LIMBS. DRIVING FOR HIGH PROFILE 
  VEHICLES MAY BECOME DIFFICULT AT TIMES...ESPECIALLY ALONG 
  NORTH AND SOUTH ROUTES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST
BETWEEN 30 AND 39 MPH OR GUSTS RANGING FROM 45 TO 57 MPH. WINDS
OF THESE MAGNITUDES CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. MINOR PROPERTY DAMAGE MAY ALSO OCCUR. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&

$$
739 
WWUS76 KPDT 301144
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
444 AM PDT WED MAR 30 2011

...STRONG AND POTENTIALLY DAMAGING WINDS EXPECTED TODAY AND THIS
EVENING...

.WESTERLY WINDS WILL DRAMATICALLY INCREASE BEHIND A STORM
DEPARTING FROM THE AREA TODAY. STRONG SINKING MOTION IN THE
ATMOSPHERE ASSOCIATED WITH A PASSING UPPER LEVEL JET STREAM WILL
BRING HIGHER WINDS ALOFT DOWN TOWARD THE SURFACE. MOST AREAS WILL
SEE WINDS INCREASE BY LATE THIS MORNING WITH THE STRONGEST SPEEDS
EXPECTED TO OCCUR DURING THE LATE AFTERNOON THROUGH EARLY EVENING
HOURS. THE GREATEST WIND POTENTIAL WILL BE FELT THROUGH THE
KITTITAS VALLEY AND HIGHER ELEVATIONS OF THE CASCADE EAST
SLOPES. HOWEVER...THE LOWER ELEVATIONS WILL EXPERIENCE STRONG
GUSTY WINDS AS WELL. WINDS ARE EXPECTED TO DIMINISH OVERNIGHT.

WAZ026-302200-
/O.CON.KPDT.HW.W.0007.110330T1800Z-110331T0600Z/
KITTITAS VALLEY-
INCLUDING THE CITIES OF...ELLENSBURG...THORP
444 AM PDT WED MAR 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM PDT THIS EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM PDT THIS EVENING. 

* TIMING: STRONG WINDS WILL DEVELOP BY LATE THIS MORNING WITH THE
  HIGHEST WIND SPEEDS EXPECTED TO OCCUR BY MID TO LATE AFTERNOON
  AND EARLY IN THE EVENING.

* WINDS: NORTHWESTERLY SUSTAINED WINDS OF 30 TO 40 MPH WITH GUSTS
  TO 55 MPH ARE INITIALLY EXPECTED BUT WILL BECOME 40 TO 45 MPH
  WITH GUSTS UP TO 60 MPH BY LATE AFTERNOON.

* IMPACTS: SATURATED SOILS MAY RESULT IN TREES BEING TOPPLED
  ALONG WITH LARGE BREAKING LIMBS. DRIVING FOR HIGH PROFILE 
  VEHICLES MAY BECOME DIFFICULT...IF NOT IMPOSSIBLE AT TIMES. 
  LOOSE OBJECTS MAY BECOME AIRBORNE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING IS ISSUED WHEN SUSTAINED WINDS ARE EXPECTED
TO BE 40 MPH OR GREATER WITH GUSTS IN EXCESS OF 58 MPH. THESE
WINDS CAN EASILY TOSS AROUND LOOSE OBJECTS AND BLOW DOWN LARGE
TREE LIMBS AND POWERLINES. THOSE VENTURING OUTDOORS SHOULD USE
EXTREME CAUTION AND BE ALERT FOR FLYING DEBRIS. DRIVING MAY ALSO
BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&

$$

ORZ041-042-508-509-WAZ024-027-520-521-302200-
/O.CON.KPDT.WI.Y.0016.110330T1400Z-110331T0600Z/
EASTERN COLUMBIA RIVER GORGE OF OREGON-NORTH CENTRAL OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
EAST SLOPES OF THE OREGON CASCADES-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-YAKIMA VALLEY-
EAST SLOPES OF THE WASHINGTON CASCADES-SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF...ARLINGTON...THE DALLES...DUFUR...
MADRAS...MAUPIN...MORO...PRINEVILLE...REDMOND...HEPPNER...
CONDON...FOSSIL...BEND...LA PINE...SUNRIVER...WHITE SALMON...
NACHES...SUNNYSIDE...TOPPENISH...YAKIMA...APPLETON...CLE ELUM...
CLIFFDELL...EASTON...ROSLYN...TROUT LAKE...BICKLETON...GOLDENDALE
444 AM PDT WED MAR 30 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING. 

* TIMING: WINDS WILL INCREASE BY LATE THIS MORNING WITH THE
  HIGHEST WIND SPEEDS EXPECTED TO OCCUR IN THE AFTERNOON AND EARLY 
  EVENING.

* WINDS: PEAK SUSTAINED WESTERLY WINDS OF 30 TO 40 MPH WITH GUSTS
  UP TO 55 MPH ARE EXPECTED.

* IMPACTS: SATURATED SOILS MAY RESULT IN TREES BEING TOPPLED 
  ALONG WITH LARGE BREAKING LIMBS. DRIVING FOR HIGH PROFILE 
  VEHICLES MAY BECOME DIFFICULT AT TIMES...ESPECIALLY ALONG 
  NORTH AND SOUTH ROUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST
BETWEEN 30 AND 39 MPH OR GUSTS RANGING FROM 45 TO 57 MPH. WINDS
OF THESE MAGNITUDES CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. MINOR PROPERTY DAMAGE MAY ALSO OCCUR. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&

$$

ORZ044-507-WAZ028-029-302200-
/O.CON.KPDT.WI.Y.0016.110330T1800Z-110331T0600Z/
LOWER COLUMBIA BASIN OF OREGON-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
INCLUDING THE CITIES OF...BOARDMAN...HERMISTON...IONE...
PENDLETON...PILOT ROCK...CONNELL...PROSSER...TRI-CITIES...
DAYTON...WAITSBURG...WALLA WALLA
444 AM PDT WED MAR 30 2011

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM PDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM PDT THIS EVENING. 

* TIMING: WINDS WILL INCREASE BY LATE THIS MORNING WITH THE
  HIGHEST WIND SPEEDS EXPECTED TO OCCUR LATE IN THE AFTERNOON AND
  EARLY IN THE EVENING.

* WINDS: PEAK SUSTAINED WESTERLY WINDS OF 30 TO 40 MPH WITH 
  GUSTS UP TO 55 MPH ARE EXPECTED.

* IMPACTS: SATURATED SOILS MAY RESULT IN TREES BEING TOPPLED 
  ALONG WITH LARGE BREAKING LIMBS. DRIVING FOR HIGH PROFILE 
  VEHICLES MAY BECOME DIFFICULT AT TIMES...ESPECIALLY ALONG 
  NORTH AND SOUTH ROUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST
BETWEEN 30 AND 39 MPH OR GUSTS RANGING FROM 45 TO 57 MPH. WINDS
OF THESE MAGNITUDES CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. MINOR PROPERTY DAMAGE MAY ALSO OCCUR. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&

$$
751 
WWUS76 KPDT 302114
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
214 PM PDT WED MAR 30 2011

...STRONG AND POTENTIALLY DAMAGING WINDS EXPECTED THROUGH THIS
EVENING...

.STRONG WINDS WILL CONTINUE THROUGH THIS EVENING WITH THE
STRONGEST SPEEDS EXPECTED TO OCCUR THROUGH THE EARLY EVENING
HOURS. THE GREATEST WIND POTENTIAL WILL BE FELT THROUGH THE
KITTITAS VALLEY AND HIGHER ELEVATIONS OF THE CASCADE EAST SLOPES
MAINLY NORTH OF SISTERS, OREGON. THE LOWER ELEVATIONS WILL
CONTINUE TO EXPERIENCE PERIODS OF STRONG GUSTY WINDS AS WELL.
WINDS ARE EXPECTED TO DIMINISH OVERNIGHT.

WAZ026-310600-
/O.CON.KPDT.HW.W.0007.000000T0000Z-110331T0600Z/
KITTITAS VALLEY-
INCLUDING THE CITIES OF...ELLENSBURG...THORP
214 PM PDT WED MAR 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING. 

* TIMING: STRONG WINDS WILL CONTINUE INCREASING WITH THE HIGHEST
  WIND SPEEDS OCCURRING THIS AFTERNOON AND EARLY IN THE EVENING.

* WINDS: PEAK NORTHWESTERLY SUSTAINED WINDS OF 40 TO 45 MPH WITH
  GUSTS UP TO 60 MPH ARE EXPECTED.

* IMPACTS: SATURATED SOILS MAY RESULT IN TREES BEING TOPPLED ALONG
  WITH LARGE BREAKING LIMBS. DRIVING FOR HIGH PROFILE VEHICLES MAY
  BECOME DIFFICULT...IF NOT IMPOSSIBLE...AT TIMES. LOOSE OBJECTS MAY
  BECOME AIRBORNE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING IS ISSUED WHEN SUSTAINED WINDS ARE EXPECTED
TO BE 40 MPH OR GREATER WITH GUSTS IN EXCESS OF 58 MPH. THESE
WINDS CAN EASILY TOSS AROUND LOOSE OBJECTS AND BLOW DOWN LARGE
TREE LIMBS AND POWERLINES. THOSE VENTURING OUTDOORS SHOULD USE
EXTREME CAUTION AND BE ALERT FOR FLYING DEBRIS. DRIVING MAY ALSO
BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&

$$

ORZ041-042-508-509-WAZ024-027-520-521-310600-
/O.CON.KPDT.WI.Y.0016.000000T0000Z-110331T0600Z/
EASTERN COLUMBIA RIVER GORGE OF OREGON-NORTH CENTRAL OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
EAST SLOPES OF THE OREGON CASCADES-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-YAKIMA VALLEY-
EAST SLOPES OF THE WASHINGTON CASCADES-SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF...ARLINGTON...THE DALLES...DUFUR...
MADRAS...MAUPIN...MORO...PRINEVILLE...REDMOND...HEPPNER...
CONDON...FOSSIL...BEND...LA PINE...SUNRIVER...WHITE SALMON...
NACHES...SUNNYSIDE...TOPPENISH...YAKIMA...APPLETON...CLE ELUM...
CLIFFDELL...EASTON...ROSLYN...TROUT LAKE...BICKLETON...GOLDENDALE
214 PM PDT WED MAR 30 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING. 

* TIMING: WINDS WILL CONTINUE INCREASING WITH PEAK SPEEDS EXPECTED
  TO OCCUR THROUGH EARLY EVENING.

* WINDS: PEAK SUSTAINED WESTERLY WINDS OF 30 TO 40 MPH WITH GUSTS UP
  TO 55 MPH ARE EXPECTED.

* IMPACTS: SATURATED SOILS MAY RESULT IN WEAKENED TREES BEING
  TOPPLED. DRIVING FOR HIGH PROFILE VEHICLES MAY BECOME DIFFICULT
  AT TIMES...ESPECIALLY ALONG NORTH AND SOUTH ROUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST
BETWEEN 30 AND 39 MPH OR GUSTS RANGING FROM 45 TO 57 MPH. WINDS
OF THESE MAGNITUDES CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. MINOR PROPERTY DAMAGE MAY ALSO OCCUR. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&

$$

ORZ044-507-WAZ028-029-310600-
/O.CON.KPDT.WI.Y.0016.000000T0000Z-110331T0600Z/
LOWER COLUMBIA BASIN OF OREGON-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
INCLUDING THE CITIES OF...BOARDMAN...HERMISTON...IONE...
PENDLETON...PILOT ROCK...CONNELL...PROSSER...TRI-CITIES...
DAYTON...WAITSBURG...WALLA WALLA
214 PM PDT WED MAR 30 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING. 

* TIMING: WINDS WILL CONTINUE INCREASING WITH PEAK SPEEDS EXPECTED
  TO OCCUR THROUGH EARLY EVENING.

* WINDS: PEAK SUSTAINED WESTERLY WINDS OF 30 TO 40 MPH WITH GUSTS UP
  TO 55 MPH ARE EXPECTED.

* IMPACTS: SATURATED SOILS MAY RESULT IN WEAKENED TREES BEING
  TOPPLED. DRIVING FOR HIGH PROFILE VEHICLES MAY BECOME DIFFICULT
  AT TIMES...ESPECIALLY ALONG NORTH AND SOUTH ROUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST
BETWEEN 30 AND 39 MPH OR GUSTS RANGING FROM 45 TO 57 MPH. WINDS
OF THESE MAGNITUDES CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. MINOR PROPERTY DAMAGE MAY ALSO OCCUR. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&

$$
782 
WWUS76 KPDT 310539
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1039 PM PDT WED MAR 30 2011

WAZ026-310645-
/O.EXP.KPDT.HW.W.0007.000000T0000Z-110331T0600Z/
KITTITAS VALLEY-
INCLUDING THE CITIES OF...ELLENSBURG...THORP
1039 PM PDT WED MAR 30 2011

...HIGH WIND WARNING WILL EXPIRE AT 11 PM PDT THIS EVENING...

THE HIGH WIND WARNING WILL EXPIRE AT 11 PM PDT THIS EVENING. 

PRESSURE GRADIENTS ARE WEAKENING AND NIGHT TIME STABILIZATION IS
CAUSING WINDS TO DECREASE ACROSS THE AREA AND HIGH WINDS ARE NO
LONGER EXPECTED. AS SUCH THE HIGH WIND WARNING WILL BE ALLOWED TO
EXPIRE AT 11 PM.

$$

ORZ041-042-508-509-WAZ024-027-520-521-310645-
/O.EXP.KPDT.WI.Y.0016.000000T0000Z-110331T0600Z/
EASTERN COLUMBIA RIVER GORGE OF OREGON-NORTH CENTRAL OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
EAST SLOPES OF THE OREGON CASCADES-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-YAKIMA VALLEY-
EAST SLOPES OF THE WASHINGTON CASCADES-SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF...ARLINGTON...THE DALLES...DUFUR...
MADRAS...MAUPIN...MORO...PRINEVILLE...REDMOND...HEPPNER...
CONDON...FOSSIL...BEND...LA PINE...SUNRIVER...WHITE SALMON...
NACHES...SUNNYSIDE...TOPPENISH...YAKIMA...APPLETON...CLE ELUM...
CLIFFDELL...EASTON...ROSLYN...TROUT LAKE...BICKLETON...GOLDENDALE
1039 PM PDT WED MAR 30 2011

...WIND ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING. 

PRESSURE GRADIENTS ARE WEAKENING AND NIGHT TIME STABILIZATION IS
CAUSING WINDS TO DECREASE ACROSS THE AREA AND STRONG WINDS ARE NO
LONGER EXPECTED. AS SUCH THE WIND ADVISORY WILL BE ALLOWED TO
EXPIRE AT 11 PM.

$$

ORZ044-507-WAZ028-029-310645-
/O.EXP.KPDT.WI.Y.0016.000000T0000Z-110331T0600Z/
LOWER COLUMBIA BASIN OF OREGON-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
INCLUDING THE CITIES OF...BOARDMAN...HERMISTON...IONE...
PENDLETON...PILOT ROCK...CONNELL...PROSSER...TRI-CITIES...
DAYTON...WAITSBURG...WALLA WALLA
1039 PM PDT WED MAR 30 2011

...WIND ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING. 

PRESSURE GRADIENTS ARE WEAKENING AND NIGHT TIME STABILIZATION IS
CAUSING WINDS TO DECREASE ACROSS THE AREA AND STRONG WINDS ARE NO
LONGER EXPECTED. AS SUCH THE WIND ADVISORY WILL BE ALLOWED TO
EXPIRE AT 11 PM.

$$

What forecasters said that day

The local office's own words before this high wind warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pendleton, OR wrote its last area forecast discussion before this high wind warning went out at Mar 29, 2:07 PM PDT, 33 minutes earlier.

Area forecast discussion, Mar 29, 2:07 PM PDT, 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PENDLETON OR
207 PM PDT TUE MAR 29 2011

.SHORT TERM...TONIGHT THROUGH FRIDAY...A WARM FRONT IS BEGINNING TO
MOVE INTO THE REGION WHICH WILL BRING SOME HIGH PRECIPITATION
AMOUNTS TO PORTIONS OF THE FORECAST AREA OVER THE NEXT 24 TO 48
HOURS. SNOW LEVELS WILL SLOWLY BE ON THE RISE AND EVENTUALLY
REACHING ABOVE 6000 FEET ON WEDNESDAY AND REMAIN HIGH THROUGH
FRIDAY. THIS WILL LEAD TO RISES ON MANY RIVERS AND STREAMS. SNOW
LEVELS WILL BE DOWN AROUND 3500 TO 4000 FEET OVER NORTHEAST OREGON
AND SOUTHEAST WASHINGTON INITIALLY TONIGHT WHERE SNOW ACCUMULATIONS
WILL BE SIGNIFICANT ENOUGH TO WARRANT THE CURRENT WINTER WEATHER
ADVISORY IN EFFECT UNTIL NOON WEDNESDAY. THE WARM FRONT WILL LIFT
NORTHWARD INTO WASHINGTON ON WEDNESDAY AND DIRECT MOST OF THE
PRECIPITATION ACROSS THE NORTHERN PORTION OF THE FORECAST AREA
THROUGH THURSDAY. PRECIPITATION WILL TAPER OFF THURSDAY NIGHT AND
FRIDAY. THE WARM FRONT WILL ALSO USHER MUCH WARMER AIR INTO THE
REGION OVER THE NEXT THREE DAYS. OTHER CONCERN WILL BE WINDS ON
WEDNESDAY AS A STRONG UPPER LEVEL JET PASSES OVER THE REGION. THESE
WINDS ARE EXPECTED TO MIX DOWN TO THE SURFACE CREATING VERY WINDY
CONDITIONS THAT WILL CONTINUE INTO WEDNESDAY NIGHT BEFORE DECREASE
SLIGHTLY AND CONTINUE INTO THURSDAY.

.LONG TERM...FRIDAY NIGHT THROUGH MONDAY NIGHT...MODELS INDICATE
THAT A COLD FRONT WILL PUSH THROUGH THE REGION LATE NIGHT FRIDAY
INTO SATURDAY. THERE IS STILL SOME DISCREPANCY AS TO THE
TIMING...BUT THERE APPEARS TO BE MORE MODELS/MODEL RUNS HINTING AT
AN EARLY SATURDAY MORNING PASSAGE. HAVE INCREASED POPS WITH THE
FRONT PASSAGE ON SATURDAY WITH DECREASING SHOWERS INTO SUNDAY AS THE
SYSTEM MOVES OFF TO THE EAST AND A DRIER NORTHWEST FLOW MOVES IN.
WINDS MAY BE BREEZY TO LOCALLY WINDY WITH AND BEHIND THE FRONT AND
HAVE INCREASED THE WINDS FOR SATURDAY TO MATCH THIS. TIMING OF THE
WINDS WILL DEPEND ON THE FRONTAL PASSAGE. TEMPERATURES WILL BE
COOLER ON SATURDAY THAN ON SUNDAY BEHIND THE FRONT AND TEMPERATURES
WILL BE NEAR TO BELOW NORMAL THROUGH THE WEEKEND. A RIDGE OF HIGH
PRESSURE WILL BUILD ON SUNDAY LEADING TO FURTHER DRYING ACROSS THE
REGION. THE RIDGE WILL FLATTEN AS ANOTHER DISTURBANCE MOVES THROUGH
THE FLOW ON MONDAY. MODELS ARE IN DISAGREEMENT ON HOW FAST THIS
SYSTEM WILL MOVE THROUGH THE RIDGE. HAVE A SLIGHT CHANCE OF
PRECIPITATION FOR MONDAY TO ACCOUNT FOR THIS DIFFERENCE...AND
INCREASE TO CHANCE MONDAY NIGHT AS BOTH MODELS INDICATE SOME SORT OF
DISTURBANCE OVER THE PACIFIC NORTHWEST MONDAY NIGHT INTO TUESDAY.
WITH THE TEMPORARY RIDGE ON MONDAY...TEMPERATURES WILL WARM A FEW
DEGREES OVER SUNDAY. DMH

&&

.PREVIOUS AVIATION DISCUSSION...18Z TAFS...LOWER ELEVATION RAIN AND
MOUNTAIN SNOW WILL CONTINUE ALONG THE NORTHEAST MOUNTAINS WITH A
COLD FRONT THROUGH THE MORNING. THE REGION WILL SEE A BRIEF BREAK
THIS AFTERNOON BEFORE THE WARM FRONT APPROACHES...BRINGING AN
INCREASING AMOUNT OF RAIN AND HIGHER ELEVATION SNOW TO THE REGION
LATER THIS AFTERNOON AND OVERNIGHT. MVFR AND LOCAL IFR CONDITIONS IN
LOWER CEILINGS WILL BE POSSIBLE WITH THIS SECOND BAND OF
PRECIPITATION. SURFACE WINDS WILL BE BREEZY TODAY AND THEN WILL
DECREASE OVERNIGHT. WINDS WILL AGAIN INCREASE TOMORROW MORNING WITH
THE FRONT AND WILL BE SUSTAINED 15-20 KTS BY WEDNESDAY LATE MORNING
FOR ALMOST ALL TAF LOCATIONS. DMH

&&

.PRELIMINARY POINT TEMPS/POPS...
PDT  42  63  46  66 / 100  80  10  20
ALW  44  62  49  63 / 100  80  10  20
PSC  44  65  47  69 /  50  20  10  10
YKM  40  62  40  65 /  20  20  10  10
HRI  42  65  45  69 /  70  30  10  20
ELN  38  61  38  62 /  30  30  10  20
RDM  42  61  40  65 /  40  20   0   0
LGD  38  57  42  62 / 100  90  20  30
GCD  37  60  39  63 /  90  50  10  10
DLS  43  63  47  65 /  80  40  10  20

&&

.PDT WATCHES/WARNINGS/ADVISORIES...
OR...WIND ADVISORY FROM 7 AM TO 11 PM PDT WEDNESDAY
     ORZ041-042-508-509.

     WINTER WEATHER ADVISORY UNTIL NOON PDT WEDNESDAY ABOVE 3500 FEET
     FOR THE ORZ502.

     WINTER WEATHER ADVISORY UNTIL NOON PDT WEDNESDAY ABOVE 4000 FEET
     FOR THE ORZ503.

     WIND ADVISORY FROM 11 AM TO 11 PM PDT WEDNESDAY ORZ044-507.

WA...WIND ADVISORY FROM 7 AM TO 11 PM PDT WEDNESDAY
     WAZ024-027-520-521.

     WINTER WEATHER ADVISORY UNTIL NOON PDT WEDNESDAY ABOVE 3500 FEET
     FOR THE WAZ030.

     WIND ADVISORY FROM 11 AM TO 11 PM PDT WEDNESDAY WAZ028-029.

     HIGH WIND WARNING FROM 11 AM TO 11 PM PDT WEDNESDAY WAZ026.

&&

THREAT INDEX
WEDNESDAY : YELLOW
THURSDAY : GREEN
FRIDAY : GREEN

GREEN: NONE OR LIMITED NEED FOR WATCHES, WARNINGS, OR ADVISORIES.
YELLOW: A FEW WATCHES, WARNINGS, OR ADVISORIES POSSIBLE OR IN EFFECT.
RED: NUMEROUS WATCHES, WARNINGS, OR ADVISORIES POSSIBLE OR IN EFFECT.

FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT...
WWW.WEATHER.GOV/PENDLETON

91/84/84
Hazardous weather outlook, Mar 29, 11:28 AM PDT, 3 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
1128 AM PDT TUE MAR 29 2011

UPDATED FOR WIND WEDNESDAY

ORZ041-042-044-049-050-502-503-505>509-WAZ024-026>030-520-521-
301415-
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-
1127 AM PDT TUE MAR 29 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

SNOW
     NORTHWEST BLUE MOUNTAINS OF WASHINGTON, NORTHERN BLUE
     MOUNTAINS OF OREGON, SOUTHERN BLUE MOUNTAINS OF OREGON

A WARM FRONT THIS AFTERNOON AND TONIGHT WILL CONTINUE TO BRING A
MOIST WEST TO NORTHWEST FLOW OVER THE REGION. THIS PATTERN WILL
FAVOR THE BLUE MOUNTAINS WITH COPIOUS AMOUNTS OF PRECIPITATION. SNOW
LEVELS AROUND 3000 FEET WILL GRADUALLY RISE TO AROUND 4000 FEET BY
LATE TONIGHT. SIGNIFICANT SNOW ACCUMULATIONS WILL BEGIN IN THE BLUE
MOUNTAINS THIS AFTERNOON AND CONTINUE THROUGH TONIGHT INTO WEDNESDAY
MORNING. A WINTER WEATHER ADVISORY FOR SNOW IS IN EFFECT FOR THE
BLUE MOUNTAINS BEGINNING AT NOON TODAY. FOR DETAILS SEE PRODUCT
PDXWSWPDT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SNOW WEDNESDAY
     NORTHWEST BLUE MOUNTAINS OF WASHINGTON, NORTHERN BLUE
     MOUNTAINS OF OREGON, SOUTHERN BLUE MOUNTAINS OF OREGON

STRONG WIND WEDNESDAY
     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, EASTERN COLUMBIA RIVER
     GORGE OF OREGON, NORTH CENTRAL OREGON, EAST SLOPES OF THE
     OREGON CASCADES, LOWER COLUMBIA BASIN OF OREGON, FOOTHILLS OF
     THE NORTHERN BLUE MOUNTAINS OF OREGON, FOOTHILLS OF THE
     SOUTHERN BLUE MOUNTAINS OF OREGON

STRONG SINKING MOTION IN THE ATMOSPHERE ALONG WITH A PASSING JET
STREAM WILL BRING WINDS ALOFT DOWN TOWARD THE SURFACE WEDNESDAY.
MOST AREAS WILL SEE WINDS INCREASE LATE WEDNESDAY MORNING OR EARLY
WEDNESDAY AFTERNOON WITH THE STRONGEST SPEEDS EXPECTED TO OCCUR
DURING THE LATE AFTERNOON THROUGH EARLY EVENING HOURS. THE GREATEST
WIND POTENTIAL WILL BE FELT THROUGH THE KITTITAS VALLEY AND HIGHER
ELEVATIONS OF THE CASCADE EAST SLOPES, HOWEVER, THE LOWER ELEVATIONS
WILL EXPERIENCE STRONG GUSTY WINDS AS WELL. A HIGH WIND WATCH HAS
BEEN ISSUED FOR THE KITTITAS VALLEY WITH ADDITIONAL STATEMENTS
PLANNED FOR ISSUANCE LATER. PLEASE REFER TO THE NON-PRECIPITATION
STATEMENT /PDXNPWPDT WWUS76 KPDT/ FOR ADDITIONAL DETAILS.

THE AFOREMENTIONED WINTER WEATHER ADVISORY FOR SNOW IN THE BLUE
MOUNTAINS REMAINS IN EFFECT UNTIL NOON PDT WEDNESDAY. AN UPPER LEVEL
HIGH PRESSURE RIDGE SLIDES EASTWARD OVER THE PACIFIC NORTHWEST
WEDNESDAY AFTERNOON AND PERSISTS OVER THE INTERIOR PACIFIC NORTHWEST
THROUGH FRIDAY FOR DRIER CONDITIONS...EXCEPT FOR RAIN SPILLING OVER
TO THE EAST SLOPES OF THE CENTRAL AND SOUTHERN WASHINGTON CASCADES.
THE NEXT UPPER LEVEL PACIFIC TROUGH APPROACHES THE COAST LATE FRIDAY
AND THEN PUSHES A COLD FRONT THROUGH THE FORECAST AREA SATURDAY
MORNING. AS SUCH SNOW LEVELS WILL DECREASE FRIDAY NIGHT AND SATURDAY
MORNING. SNOW ACCUMULATIONS OF SEVERAL INCHES MAY OCCUR FRIDAY
NIGHT/SATURDAY MORNING IN THE BLUE MOUNTAINS AND ALONG THE EAST
SLOPES OF THE CASCADES WITH RAIN SHADOWING OCCURRING IMMEDIATELY
EAST OF THE CASCADES EAST SLOPES. THE REGION WILL BE BETWEEN TROUGHS
ON SUNDAY AND MONDAY FOR MAINLY DRY CONDITIONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE LIKELY.

SPOTTER ARE ASKED TO REPORT SIGNIFICANT SNOWFALL TOTALS LATER
TODAY...TONIGHT AND WEDNESDAY. WIND SPEED AND WIND DAMAGE REPORTS
ARE ALSO REQUESTED FOR WEDNESDAY.

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.

The office that day

Everything else NWS Pendleton, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 29, 10:42 AM PDTHigh Wind WatchPDTColumbia, Kittitas, Klickitat, Walla Walla, Yakima237 days
Mar 29, 2:40 PM PDTWind AdvisoryPDTBenton, Columbia, Franklin, Klickitat, Walla Walla, Yakima32 hr

Nearby

High Wind Warnings in Washington, 2011Every high wind warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.