Alert archive / Oregon / Wind Advisories in 2011

Wind Advisory 41, NWS Pendleton, OR

December 27, 20117 counties in Oregon; 5 counties in Washington

NWS Pendleton, OR issued this wind advisory at Dec 27, 2011, 2:27 PM PST for 7 counties in Oregon; 5 counties in Washington. It took effect at Dec 27, 2011, 4:00 PM PST. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Dec 27, 2011, 2:27 PM PST (22:27 UTC)
In effect from
Dec 27, 2011, 4:00 PM PST
Expired
Dec 28, 2011, 7:00 PM PST
In force
27 hr
Issued by
NWS Pendleton, OR

Counties Deschutes County, OR, Gilliam County, OR, Jefferson County, OR, Morrow County, OR, Union County, OR, Wasco County, OR, Wheeler County, OR, Benton County, WA, Franklin County, WA, Klickitat County, WA, Walla Walla County, WA, Yakima County, WA

The radar

The Pendleton radar (KPDT), 91 km from the middle of the area, began a volume at 22:31 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, 10.5 hours before the alert went out and 245 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 2011-12-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salem/Mcnary, OR at 12:00Z on 2011-12-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 419 square meters per square second.1939587897Sfc1 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
718 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
419 m²/s²
0-3 km storm-relative helicity
574 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.

564 
WWUS76 KPDT 272227
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
227 PM PST TUE DEC 27 2011

...LOCALLY STRONG WINDS OVER PORTIONS OF THE INTERIOR NORTHWEST
TONIGHT INTO WEDNESDAY MORNING...

.A STRONG PACIFIC STORM WILL MOVE ACROSS THE REGION TONIGHT INTO
WEDNESDAY. THIS SYSTEM WILL INCREASE THE WINDS ACROSS THE REGION
THIS EVENING. LOCATIONS IN THE LEE OF THE CASCADES WILL SEE
LOCALLY STRONG WIND GUSTS AT TIMES DUE THE SURFACING OF WINDS
ALOFT. OTHER LOCATIONS WILL SEE STRONG WINDS DUE TO THE TIGHTENING
OF PRESSURE GRADIENTS. 

ORZ049-280700-
/O.NEW.KPDT.WI.Y.0041.111228T0000Z-111228T1800Z/
GRANDE RONDE VALLEY-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE
227 PM PST TUE DEC 27 2011

...WIND ADVISORY IN EFFECT UNTIL 10 AM PST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM PST WEDNESDAY. 

* TIMING: WINDS WILL INCREASE EARLY THIS EVENING AND CONTINUE
  INTO EARLY WEDNESDAY MORNING...THEN SLOWLY DECREASE AFTER MID
  MORNING.

* WINDS: SOUTH WINDS OF 30 TO 40 MPH WITH GUSTS TO NEAR 50 MPH
  WILL BE POSSIBLE ACROSS THE SOUTH END OF THE VALLEY. SOUTH WINDS
  OF 25 TO 35 MPH WITH GUSTS TO NEAR 45 MPH WILL OCCUR ELSEWHERE.

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING CONDITIONS
  FOR HIGH PROFILE VEHICLES...ESPECIALLY IN THE SOUTHERN GRANDE
  RONDE VALLEY. THE GREATEST IMPACT WILL BE FOR VEHICLES TRAVELING
  IN AN EAST OR WEST BOUND DIRECTION

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.

&&

$$

ORZ042-508-280700-
/O.NEW.KPDT.WI.Y.0041.111228T0300Z-111228T1800Z/
NORTH CENTRAL OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
INCLUDING THE CITIES OF...DUFUR...MADRAS...MAUPIN...MORO...
PRINEVILLE...REDMOND...HEPPNER...CONDON...FOSSIL
227 PM PST TUE DEC 27 2011

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM PST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM PST
WEDNESDAY. 

* TIMING: WINDS WILL INCREASE THIS EVENING AND LAST INTO EARLY
  WEDNESDAY MORNING. THE WINDS WILL GRADUALLY DECREASE AFTER
  SUNRISE WEDNESDAY MORNING.

* WINDS: SOUTH TO SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUST TO
  NEAR 50 MPH ARE EXPECTED. THE HIGHEST WINDS WILL OCCUR OVER
  RIDGES AND IN THE IMMEDIATE LEE OF THE CASCADE MOUNTAINS. 

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING CONDITIONS
  FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY BE THE CASE FOR
  VEHICLES TRAVELING IN AN EAST OR WEST BOUND DIRECTION.

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.

&&

$$

ORZ509-280700-
/O.NEW.KPDT.WI.Y.0041.111228T0300Z-111228T1800Z/
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF...BEND...LA PINE...SUNRIVER
227 PM PST TUE DEC 27 2011

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM PST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM PST
WEDNESDAY. 

* TIMING: WINDS AND WIND GUSTS WILL INCREASE THIS EVENING AND LAST
  INTO WEDNESDAY MORNING. THE WINDS AND WIND GUSTS SHOULD
  GRADUALLY DECREASE AFTER SUNRISE WEDNESDAY MORNING.

* WINDS: SOUTH TO SOUTHWEST WINDS OF 20 TO 30 MPH ARE EXPECTED...
  BUT WIND GUSTS OF AROUND 50 MPH WILL OCCUR AT TIMES NEAR THE BASE
  OF THE CASCADES. THE STRONGEST GUSTS ARE MOST LIKELY TO OCCUR
  FROM NEAR BEND WEST TO SISTERS.

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING CONDITIONS
  FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY BE THE CASE FOR
  VEHICLES TRAVELING IN AN EAST OR WEST BOUND DIRECTION.


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.

&&

$$

WAZ027-280700-
/O.NEW.KPDT.WI.Y.0041.111228T0300Z-111228T1800Z/
YAKIMA VALLEY-
INCLUDING THE CITIES OF...NACHES...SUNNYSIDE...TOPPENISH...YAKIMA
227 PM PST TUE DEC 27 2011

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM PST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM PST
WEDNESDAY. 

* TIMING: WINDS AND WIND GUSTS WILL INCREASE THIS EVENING AND
  LAST INTO WEDNESDAY MORNING. THE WINDS AND WIND GUSTS SHOULD
  GRADUALLY DECREASE AFTER SUNRISE WEDNESDAY MORNING.

* WINDS: SOUTH TO SOUTHWEST WINDS OF 15 TO 25 MPH ARE EXPECTED...
  BUT WIND GUSTS OF 45 TO 50 MPH WILL OCCUR AT TIMES NEAR THE BASE
  OF THE SIMCOE MOUNTAINS AND THE CASCADES. THE STRONGEST GUSTS
  ARE MOST LIKELY TO OCCUR ALONG THE SOUTH SIDE OF THE LOWER
  YAKIMA VALLEY AND OVER AREAS TO THE WEST OF YAKIMA.

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING CONDITIONS
  FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY BE THE CASE FOR
  VEHICLES TRAVELING IN AN EAST OR WEST BOUND DIRECTION.


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.

&&

$$
5 follow-up statements
565 
WWUS76 KPDT 280516
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
916 PM PST TUE DEC 27 2011

...LOCALLY STRONG WINDS OVER PORTIONS OF THE INTERIOR NORTHWEST
TONIGHT INTO WEDNESDAY MORNING...

.A STRONG PACIFIC STORM WILL MOVE ACROSS THE REGION TONIGHT INTO
WEDNESDAY. THIS SYSTEM WILL INCREASE THE WINDS ACROSS THE REGION
THIS EVENING. LOCATIONS IN THE LEE OF THE CASCADES WILL SEE
LOCALLY STRONG WIND GUSTS AT TIMES DUE THE SURFACING OF WINDS
ALOFT. OTHER LOCATIONS WILL SEE STRONG WINDS DUE TO THE
TIGHTENING OF PRESSURE GRADIENTS.

ORZ049-281400-
/O.CON.KPDT.WI.Y.0041.000000T0000Z-111228T1800Z/
GRANDE RONDE VALLEY-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE
916 PM PST TUE DEC 27 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY. 

* TIMING: WINDS WILL INCREASE THIS EVENING AND CONTINUE INTO
  EARLY WEDNESDAY MORNING...THEN SLOWLY DECREASE AFTER MID
  MORNING.

* WINDS: SOUTH WINDS OF 30 TO 40 MPH WITH GUSTS TO NEAR 50 MPH 
  WILL BE POSSIBLE ACROSS THE SOUTH END OF THE VALLEY. SOUTH 
  WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 45 MPH WILL OCCUR 
  ELSEWHERE. 

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING 
  CONDITIONS FOR HIGH PROFILE VEHICLES...ESPECIALLY IN THE 
  SOUTHERN GRANDE RONDE VALLEY. THE GREATEST IMPACT WILL BE 
  FOR VEHICLES TRAVELING IN AN EAST OR WEST BOUND DIRECTION 

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.

&&

$$

ORZ042-508-281400-
/O.CON.KPDT.WI.Y.0041.000000T0000Z-111228T1800Z/
NORTH CENTRAL OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
INCLUDING THE CITIES OF...DUFUR...MADRAS...MAUPIN...MORO...
PRINEVILLE...REDMOND...HEPPNER...CONDON...FOSSIL
916 PM PST TUE DEC 27 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY. 

* TIMING: WINDS WILL INCREASE THIS EVENING AND LAST INTO EARLY 
  WEDNESDAY MORNING. THE WINDS WILL GRADUALLY DECREASE AFTER 
  SUNRISE WEDNESDAY MORNING. 

* WINDS: SOUTH TO SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUST TO 
  NEAR 50 MPH ARE EXPECTED. THE HIGHEST WINDS WILL OCCUR OVER 
  RIDGES AND IN THE IMMEDIATE LEE OF THE CASCADE MOUNTAINS.

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING 
  CONDITIONS FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY 
  BE THE CASE FOR VEHICLES TRAVELING IN AN EAST OR WEST BOUND 
  DIRECTION. 

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.

&&

$$

ORZ509-281400-
/O.CON.KPDT.WI.Y.0041.000000T0000Z-111228T1800Z/
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF...BEND...LA PINE...SUNRIVER
916 PM PST TUE DEC 27 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY. 

* TIMING: WINDS AND WIND GUSTS WILL INCREASE THIS EVENING AND 
  LAST INTO WEDNESDAY MORNING. THE WINDS AND WIND GUSTS SHOULD 
  GRADUALLY DECREASE AFTER SUNRISE WEDNESDAY MORNING. 

* WINDS: SOUTH TO SOUTHWEST WINDS OF 20 TO 30 MPH ARE 
  EXPECTED...BUT WIND GUSTS OF AROUND 50 MPH WILL OCCUR AT 
  TIMES NEAR THE BASE OF THE CASCADES. THE STRONGEST GUSTS ARE 
  MOST LIKELY TO OCCUR FROM NEAR BEND WEST TO SISTERS. 

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING 
  CONDITIONS FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY 
  BE THE CASE FOR VEHICLES TRAVELING IN AN EAST OR WEST BOUND 
  DIRECTION. 

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.

&&

$$

WAZ027-281400-
/O.CON.KPDT.WI.Y.0041.000000T0000Z-111228T1800Z/
YAKIMA VALLEY-
INCLUDING THE CITIES OF...NACHES...SUNNYSIDE...TOPPENISH...YAKIMA
916 PM PST TUE DEC 27 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY. 

* TIMING: WINDS AND WIND GUSTS WILL INCREASE THIS EVENING AND 
  LAST INTO WEDNESDAY MORNING. THE WINDS AND WIND GUSTS SHOULD 
  GRADUALLY DECREASE AFTER SUNRISE WEDNESDAY MORNING. 

* WINDS: SOUTH TO SOUTHWEST WINDS OF 15 TO 25 MPH ARE 
  EXPECTED...BUT WIND GUSTS OF 45 TO 50 MPH WILL OCCUR AT 
  TIMES NEAR THE BASE OF THE SIMCOE MOUNTAINS AND THE 
  CASCADES. THE STRONGEST GUSTS ARE MOST LIKELY TO OCCUR ALONG 
  THE SOUTH SIDE OF THE LOWER YAKIMA VALLEY AND OVER AREAS TO 
  THE WEST OF YAKIMA. 

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING 
  CONDITIONS FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY 
  BE THE CASE FOR VEHICLES TRAVELING IN AN EAST OR WEST BOUND 
  DIRECTION. 

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.

&&

$$
141 
WWUS76 KPDT 281208
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
408 AM PST WED DEC 28 2011

...LOCALLY STRONG WINDS OVER PORTIONS OF THE INTERIOR NORTHWEST
THROUGH THIS MORNING...

.A STRONG PACIFIC STORM WILL CONTINUE MOVING ACROSS THE REGION
TODAY. THIS SYSTEM HAS INCREASED THE WINDS ACROSS THE REGION.
LOCATIONS IN THE LEE OF THE CASCADES WILL SEE LOCALLY STRONG WIND
GUSTS AT TIMES DUE THE SURFACING OF WINDS ALOFT. OTHER LOCATIONS
WILL SEE STRONG WINDS DUE TO THE TIGHTENING OF PRESSURE GRADIENTS.

WAZ028-281800-
/O.EXA.KPDT.WI.Y.0041.000000T0000Z-111228T1800Z/
LOWER COLUMBIA BASIN OF WASHINGTON-
INCLUDING THE CITIES OF...CONNELL...PROSSER...TRI-CITIES
408 AM PST WED DEC 28 2011

...WIND ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

* TIMING: WINDS HAVE INCREASED AND WILL LAST INTO EARLY THIS
  MORNING. THE WINDS WILL GRADUALLY DECREASE AFTER SUNRISE THIS
  MORNING.

* WINDS: SOUTH TO SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO
  NEAR 50 MPH ARE EXPECTED PRIMARILY IN THE HANFORD AREA. THE
  HIGHEST WINDS WILL OCCUR OVER RIDGE TOPS.

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING 
  CONDITIONS FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY 
  BE THE CASE FOR VEHICLES TRAVELING IN AN EAST OR WEST BOUND 
  DIRECTION.

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.

&&

$$

ORZ049-281800-
/O.CON.KPDT.WI.Y.0041.000000T0000Z-111228T1800Z/
GRANDE RONDE VALLEY-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE
408 AM PST WED DEC 28 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

* TIMING: STRONG WINDS WILL CONTINUE EARLY THIS MORNING...THEN
  SLOWLY DECREASE AFTER MID MORNING.

* WINDS: SOUTH WINDS OF 30 TO 40 MPH WITH GUSTS TO NEAR 50 MPH 
  WILL BE POSSIBLE ACROSS THE SOUTH END OF THE VALLEY. SOUTH 
  WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 45 MPH WILL OCCUR 
  ELSEWHERE.

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING 
  CONDITIONS FOR HIGH PROFILE VEHICLES...ESPECIALLY IN THE 
  SOUTHERN GRANDE RONDE VALLEY. THE GREATEST IMPACT WILL BE 
  FOR VEHICLES TRAVELING IN AN EAST OR WEST BOUND DIRECTION

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.

&&

$$

ORZ042-508-281800-
/O.CON.KPDT.WI.Y.0041.000000T0000Z-111228T1800Z/
NORTH CENTRAL OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
INCLUDING THE CITIES OF...DUFUR...MADRAS...MAUPIN...MORO...
PRINEVILLE...REDMOND...HEPPNER...CONDON...FOSSIL
408 AM PST WED DEC 28 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

* TIMING: STRONG WINDS WILL CONTINUE EARLY THIS MORNING. THE WINDS
  WILL GRADUALLY DECREASE AFTER SUNRISE THIS MORNING.

* WINDS: SOUTH TO SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUST TO 
  NEAR 50 MPH ARE EXPECTED. THE HIGHEST WINDS WILL OCCUR OVER 
  RIDGES AND IN THE IMMEDIATE LEE OF THE CASCADE MOUNTAINS.

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING 
  CONDITIONS FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY 
  BE THE CASE FOR VEHICLES TRAVELING IN AN EAST OR WEST BOUND 
  DIRECTION.

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.

&&

$$

ORZ509-281800-
/O.CON.KPDT.WI.Y.0041.000000T0000Z-111228T1800Z/
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF...BEND...LA PINE...SUNRIVER
408 AM PST WED DEC 28 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

* TIMING: STRONG WINDS AND WIND GUSTS WILL CONTINUE THIS MORNING.
  THE WINDS AND WIND GUSTS SHOULD GRADUALLY DECREASE AFTER SUNRISE
  THIS MORNING.

* WINDS: SOUTH TO SOUTHWEST WINDS OF 20 TO 30 MPH ARE 
  EXPECTED...BUT WIND GUSTS OF AROUND 50 MPH WILL OCCUR AT 
  TIMES NEAR THE BASE OF THE CASCADES. THE STRONGEST GUSTS ARE 
  MOST LIKELY TO OCCUR FROM NEAR BEND WEST TO SISTERS.

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING 
  CONDITIONS FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY 
  BE THE CASE FOR VEHICLES TRAVELING IN AN EAST OR WEST BOUND 
  DIRECTION.

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.

&&

$$

WAZ027-281800-
/O.CON.KPDT.WI.Y.0041.000000T0000Z-111228T1800Z/
YAKIMA VALLEY-
INCLUDING THE CITIES OF...NACHES...SUNNYSIDE...TOPPENISH...YAKIMA
408 AM PST WED DEC 28 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

* TIMING: STRONG WINDS AND WIND GUSTS WILL CONTINUE THIS MORNING.
  THE WINDS AND WIND GUSTS SHOULD GRADUALLY DECREASE AFTER SUNRISE
  THIS MORNING.

* WINDS: SOUTH TO SOUTHWEST WINDS OF 15 TO 25 MPH ARE 
  EXPECTED...BUT WIND GUSTS OF 45 TO 50 MPH WILL OCCUR AT 
  TIMES NEAR THE BASE OF THE SIMCOE MOUNTAINS AND THE 
  CASCADES. THE STRONGEST GUSTS ARE MOST LIKELY TO OCCUR ALONG 
  THE SOUTH SIDE OF THE LOWER YAKIMA VALLEY AND OVER AREAS TO 
  THE WEST OF YAKIMA.

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING 
  CONDITIONS FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY 
  BE THE CASE FOR VEHICLES TRAVELING IN AN EAST OR WEST BOUND 
  DIRECTION.

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.

&&

$$
083 
WWUS76 KPDT 281808
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1008 AM PST WED DEC 28 2011

...LOCALLY STRONG WINDS OVER PORTIONS OF THE INTERIOR NORTHWEST
THROUGH TODAY...

.ANOTHER STRONG PACIFIC STORM WILL CONTINUE MOVE ACROSS THE
REGION TODAY. THIS SYSTEM WILL KEEP WINDS VERY WINDY ACROSS
PORTIONS OF THE AREA. LOCATIONS IN THE LEE OF THE CASCADES WILL
SEE LOCALLY STRONG WIND GUSTS AT TIMES DUE THE SURFACING OF WINDS
ALOFT. OTHER LOCATIONS WILL SEE STRONG WINDS DUE TO THE TIGHTENING
OF PRESSURE GRADIENTS.

ORZ049-281915-
/O.EXP.KPDT.WI.Y.0041.000000T0000Z-111228T1800Z/
GRANDE RONDE VALLEY-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE
1008 AM PST WED DEC 28 2011

...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING. 

WINDS REMAIN SOUTH AT 25 TO 35 MPH WITH GUSTS NEAR 45 MPH NEAR
LADD AND PYLES CANYON...BUT THESE WINDS SHOULD CONTINUE TO
DECREASE THROUGH NOON. ELSEWHERE WINDS ARE RUNNING SOUTHERLY 15
TO 25 MPH WITH HIGHER GUSTS. AS A RESULT THE WIND ADVISORY WILL BE
ALLOWED TO EXPIRE AT 10 AM PST.

$$

ORZ508-281915-
/O.EXP.KPDT.WI.Y.0041.000000T0000Z-111228T1800Z/
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
INCLUDING THE CITIES OF...HEPPNER...CONDON...FOSSIL
1008 AM PST WED DEC 28 2011

...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING. 

SOUTH TO SOUTHWEST WINDS HAVE DECREASED TO 10 TO 20 MPH WITH LOCAL
GUSTS TO 25 TO 30 MPH. THESE WINDS SHOULD PERSIST THROUGH THE REST
OF THE DAY...THUS THE WIND ADVISORY HAS BEEN ALLOWED TO EXPIRE AT
10 AM PST.

$$

WAZ027-281915-
/O.EXP.KPDT.WI.Y.0041.000000T0000Z-111228T1800Z/
YAKIMA VALLEY-
INCLUDING THE CITIES OF...NACHES...SUNNYSIDE...TOPPENISH...YAKIMA
1008 AM PST WED DEC 28 2011

...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING. 

SOUTH TO SOUTHWEST WINDS HAVE DECREASED TO 10 TO 20 MPH WITH LOCAL
GUSTS TO 25 TO 30 MPH. THESE WINDS SHOULD PERSIST THROUGH THE REST
OF THE DAY...THUS THE WIND ADVISORY HAS BEEN ALLOWED TO EXPIRE AT
10 AM PST.

$$

WAZ028-281915-
/O.EXP.KPDT.WI.Y.0041.000000T0000Z-111228T1800Z/
LOWER COLUMBIA BASIN OF WASHINGTON-
INCLUDING THE CITIES OF...CONNELL...PROSSER...TRI-CITIES
1008 AM PST WED DEC 28 2011

...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING. 

SOUTH TO SOUTHWEST WINDS NEAR THE HANFORD AREA HAVE DECREASED TO
15 TO 25 MPH WITH LOCAL GUSTS TO 30 TO 35 MPH. THESE WINDS SHOULD
PERSIST THROUGH THE REST OF THE DAY...THUS THE WIND ADVISORY HAS
BEEN ALLOWED TO EXPIRE AT 10 AM PST.

$$

ORZ042-290300-
/O.EXT.KPDT.WI.Y.0041.000000T0000Z-111229T0300Z/
NORTH CENTRAL OREGON-
INCLUDING THE CITIES OF...DUFUR...MADRAS...MAUPIN...MORO...
PRINEVILLE...REDMOND
1008 AM PST WED DEC 28 2011

...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM PST THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 PM PST THIS EVENING. 

* TIMING: STRONG WINDS WILL CONTINUE INTO EARLY EVENING...THEN
  DECREASE THROUGH THE REMAINDER OF THE EVENING.

* WINDS: SOUTH TO SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUST TO
  NEAR 50 MPH ARE EXPECTED. THE HIGHEST WINDS WILL OCCUR OVER
  RIDGES...NEAR REDMOND AND IN THE IMMEDIATE LEE OF THE CASCADE
  MOUNTAINS.

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING 
  CONDITIONS FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY 
  BE THE CASE FOR VEHICLES TRAVELING IN AN EAST OR WEST BOUND 
  DIRECTION.

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.

&&

$$

ORZ509-290300-
/O.EXT.KPDT.WI.Y.0041.000000T0000Z-111229T0300Z/
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF...BEND...LA PINE...SUNRIVER
1008 AM PST WED DEC 28 2011

...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM PST THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 PM PST THIS EVENING. 

* TIMING: STRONG WINDS AND WIND GUSTS WILL CONTINUE INTO EARLY
  EVENING...THEN DECREASE THROUGH THE REMAINDER OF THE EVENING.

* WINDS: SOUTH TO SOUTHWEST WINDS OF 20 TO 30 MPH ARE 
  EXPECTED...BUT WIND GUSTS OF AROUND 50 MPH WILL OCCUR AT 
  TIMES NEAR THE BASE OF THE CASCADES. THE STRONGEST GUSTS ARE 
  MOST LIKELY TO OCCUR FROM NEAR BEND WEST TO SISTERS.

* IMPACTS: STRONG WINDS WILL CREATE DIFFICULT DRIVING 
  CONDITIONS FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY 
  BE THE CASE FOR VEHICLES TRAVELING IN AN EAST OR WEST BOUND 
  DIRECTION.

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.

&&

$$
800 
WWUS76 KPDT 282302
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
302 PM PST WED DEC 28 2011

ORZ042-290300-
/O.CON.KPDT.WI.Y.0041.000000T0000Z-111229T0300Z/
NORTH CENTRAL OREGON-
INCLUDING THE CITIES OF...DUFUR...MADRAS...MAUPIN...MORO...
PRINEVILLE...REDMOND
302 PM PST WED DEC 28 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING. 

* TIMING: LOCAL STRONG WIND GUSTS WILL CONTINUE INTO EARLY
  EVENING...THEN DECREASE THROUGH LATE EVENING AND OVERNIGHT.

* WINDS: SOUTH TO SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO
  NEAR 50 MPH ARE EXPECTED. THE HIGHEST WINDS WILL OCCUR OVER
  RIDGES...NEAR REDMOND AND IN THE IMMEDIATE LEE OF THE CASCADE
  MOUNTAINS.

* IMPACTS: STRONG WIND GUSTS WILL CREATE DIFFICULT DRIVING
  CONDITIONS FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY BE
  THE CASE FOR VEHICLES TRAVELING IN AN EAST OR WEST BOUND
  DIRECTION.

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.

&&

$$

ORZ509-290300-
/O.CON.KPDT.WI.Y.0041.000000T0000Z-111229T0300Z/
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF...BEND...LA PINE...SUNRIVER
302 PM PST WED DEC 28 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING. 

* TIMING: STRONG WINDS AND WIND GUSTS WILL CONTINUE INTO EARLY
  EVENING...THEN GRADUALLY DECREASE THROUGH LATE EVENING AND
  OVERNIGHT.

* WINDS: SOUTH TO SOUTHWEST WINDS OF 20 TO 30 MPH ARE 
  EXPECTED...BUT WIND GUSTS OF AROUND 50 MPH WILL OCCUR AT 
  TIMES NEAR THE BASE OF THE CASCADES. THE STRONGEST GUSTS ARE 
  MOST LIKELY TO OCCUR FROM NEAR BEND WEST TO SISTERS.

* IMPACTS: STRONG WIND GUSTS WILL CREATE DIFFICULT DRIVING
  CONDITIONS FOR HIGH PROFILE VEHICLES. THIS WILL ESPECIALLY BE
  THE CASE FOR VEHICLES TRAVELING IN AN EAST OR WEST BOUND
  DIRECTION.

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.

&&

$$
596 
WWUS76 KPDT 290236
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
636 PM PST WED DEC 28 2011


ORZ042-290345-
/O.EXP.KPDT.WI.Y.0041.000000T0000Z-111229T0300Z/
NORTH CENTRAL OREGON-
INCLUDING THE CITIES OF...DUFUR...MADRAS...MAUPIN...MORO...
PRINEVILLE...REDMOND
636 PM PST WED DEC 28 2011

...WIND ADVISORY WILL EXPIRE AT 7 PM PST THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 7 PM PST THIS EVENING. GUSTY
WINDS HAVE DIMINISHED OVER THE AREA.



$$

ORZ509-290345-
/O.EXP.KPDT.WI.Y.0041.000000T0000Z-111229T0300Z/
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF...BEND...LA PINE...SUNRIVER
636 PM PST WED DEC 28 2011

...WIND ADVISORY WILL EXPIRE AT 7 PM PST THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 7 PM PST THIS EVENING. GUSTY
WINDS HAVE DIMINISHED OVER THE AREA.

$$

What forecasters said that day

The local office's own words before this wind advisory 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 wind advisory went out at Dec 27, 9:40 AM PST, 4 hours 47 minutes earlier.

Area forecast discussion, Dec 27, 9:40 AM PST, 4 hours 47 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
940 AM PST TUE DEC 27 2011

UPDATED AVIATION DISCUSSION

.SHORT TERM...UPDATE...THE OVERNIGHT SYSTEM HAS EXITED THE REGION
WHILE THE NEXT SYSTEM IS RAPIDLY APPROACHING THE COAST. HAVE ALTERED
THE FORECAST TO SHOW LESS CHANCE OF PRECIP THIS MORNING, WITH SOME
INCREASE IN CHANCES (ESPECIALLY THE WASHINGTON BASIN) THIS
AFTERNOON. STILL EXPECT WET CONDITIONS TONIGHT. SNOW LEVELS WILL
CONTINUE TO RISE TODAY WITH INCREASED WARM AIR ADVECTION AT THE
SURFACE AND ALOFT. SNOW LEVELS RUN AROUND 2500 FEET OVER THE
WASHINGTON CASCADE EAST SLOPES THIS MORNING. AS SUCH WILL ALLOW THE
WINTER WEATHER ADVISORY THERE TO EXPIRE AT 10 AM. ELSEWHERE SNOW
LEVELS APPEAR TO BE BETWEEN 3500 AND 4000 FEET THIS MORNING. HAVE
NUDGED HIGH TEMPS UP A BIT ALONG THE BLUE MOUNTAIN FOOTHILLS DUE TO
DOWN SLOPE AFFECTS. WINDS ARE BREEZY IN THE GRANDE RONDE VALLEY AND
WILL HAVE TO MONITOR FOR THE POTENTIAL OF ADVISORY WIND CONDITIONS
LATER TODAY. WINDS WILL APPROACH OR EXCEED ADVISORY LEVELS TONIGHT
IN THE GRANDE RONDE VALLEY, AND POTENTIALLY ALONG THE OREGON BLUE
MOUNTAIN FOOTHILLS, CENTRAL OREGON AND PORTIONS OF THE YAKIMA
VALLEY. WILL ADDRESS THE WINDS IN THESE AREAS WITH THE AFTERNOON
PACKAGE. 90

.LONG TERM...PREVIOUS DISCUSSION...THE ACTIVE WEATHER PATTERN WILL
CONTINUE DURING AT LEAST THE EARLY PART OF THE LONG TERM PERIOD AS A
SYSTEM MOVES THROUGH THE AREA THURSDAY. ANOTHER SYSTEM WILL FOLLOW
CLOSE BEHIND LATE THURSDAY NIGHT AND FRIDAY BEFORE TAPERING OFF
FRIDAY NIGHT. THIS WILL KEEP RAIN LIKELY THROUGH FRIDAY AS
TEMPERATURES WILL REMAIN WELL ABOVE NORMAL. SNOW LEVELS WILL BE
5000-6000 FEET DURING THE DAY AND 4000-5500 FEET THURSDAY NIGHT. AN
EXCEPTION WILL BE THE YAKIMA AND KITTITAS VALLEYS AND THE EAST SLOPE
OF THE WASHINGTON CASCADES WHERE COLDER AIR WILL BE TRAPPED AND A
RAIN/SNOW MIX IS EXPECTED THURSDAY NIGHT. WINDS HAVE BEEN LOWERED A
FEW MPH BUT WILL REMAIN BREEZY THURSDAY THROUGH FRIDAY. FRIDAY NIGHT
COOLER AIR WILL START MOVING IN AND SNOW LEVELS WILL DROP TO
3000-4000 FEET, BUT ONLY LIGHT SNOW SHOWERS ARE EXPECTED AS THE
SYSTEM EXITS THE AREA. MODELS DIVERGE SIGNIFICANTLY FROM SATURDAY
ONWARD. THE ECMWF BUILDS A HIGH AMPLITUDE RIDGE OVER THE AREA AND
KEEPS THE AREA DRY FROM SATURDAY NIGHT ONWARD. THE GFS HAS A WEAK
RIDGE OVER THE ROCKIES AND SENDS A WEAK SYSTEM THROUGH THE AREA
SATURDAY NIGHT AND SUNDAY FOLLOWED BY A STRONGER SYSTEM MONDAY AND
MONDAY NIGHT. HAVE TRENDED POPS DOWN OVER THE WEEKEND AND END UP
WITH MAINLY DRY WEATHER ASIDE FROM SOME SNOW SHOWERS IN THE
MOUNTAINS. TEMPERATURES SATURDAY THROUGH MONDAY DROP BACK INTO THE
40S WITH MID 20S TO MID 30S AT NIGHT. LEANED TOWARDS THE GFS
SOLUTION AFTER THE WEEKEND AND KEPT A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS IN THE LOWER ELEVATIONS MONDAY THROUGH TUESDAY WITH A CHANCE
OF MAINLY SNOW SHOWERS IN THE MOUNTAINS. HAVE ALSO LOWERED
TEMPERATURES A COUPLE OF DEGREES MORE ON TUESDAY.

&&

.AVIATION...18Z TAFS...A WEATHER SYSTEM WILL MOVE THROUGH THE AREA
TODAY AND TONIGHT. CEILINGS WILL LOWER AS RAIN SHOWERS MOVE IN FROM
THE WEST. RAIN SHOWERS WILL BECOME WIDESPREAD THIS AFTERNOON AND
MVFR CEILINGS AND VISIBILITIES WILL BE POSSIBLE WITH THE HEAVIER
SHOWERS. BY WEDNESDAY MORNING SHOWERS WILL BEGIN TAPERING OFF AND
CEILINGS WILL START TO LIFT AT KYKM...KDLS AND KPSC. SHOWERS AND LOW
CEILINGS WILL PERSIST AT SITES SOUTH AND EAST THROUGH WEDNESDAY
AFTERNOON. WINDS WILL GENERALLY BE SOUTH-SOUTHWEST AT 10-20 KTS
WITH GUSTS TO 30 KTS AT ALL TAF SITES EXCEPT KDLS AND KYKM. KDLS AND
KYKM WILL REMAIN BELOW 15 KTS FOR THE NEXT 24 HOURS.  82

&&

.PRELIMINARY POINT TEMPS/POPS...
PDT  52  43  55  42 /  20  80  70  70
ALW  53  43  53  44 /  20  80  70  70
PSC  48  43  53  42 /  20  80  60  60
YKM  42  36  48  37 /  20  80  60  60
HRI  48  41  54  41 /  10  80  60  60
ELN  40  34  45  36 /  20  80  70  70
RDM  51  43  56  40 /  10  80  70  70
LGD  45  41  49  43 /  20  80  70  70
GCD  46  39  48  36 /  10  80  70  70
DLS  46  41  51  41 /  20  80  70  70

&&

.PDT WATCHES/WARNINGS/ADVISORIES...
OR...NONE.
WA...NONE.

&&

THREAT INDEX
TODAY : GREEN
WEDNESDAY : YELLOW
THURSDAY : 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

90/83/82
Hazardous weather outlook, Dec 27, 10:10 AM PST, 4 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
1010 AM PST TUE DEC 27 2011

UPDATED TO REMOVE WINTER WEATHER ADVISORY FOR EAST SLOPES OF THE
WASHINGTON CASCADES

ORZ041-042-044-049-050-502-503-505>509-WAZ024-026>030-520-521-
281415-
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-
1010 AM PST TUE DEC 27 2011

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

.DAY ONE...TODAY AND TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

SCATTERED RAIN AND MOUNTAIN SNOW SHOWERS WILL GRADUALLY END FROM
WEST TO EAST AS THE WEATHER SYSTEM MOVES EAST AND OUT OF THE AREA
TODAY. ANOTHER WEATHER SYSTEM WILL QUICKLY MOVE INTO THE REGION
AGAIN TONIGHT WITH MORE RAIN AND HIGH ELEVATION SNOW. SNOW LEVELS
WILL BE HIGHER TONIGHT RESULTING IN RAIN FOR MOST AREAS...INCLUDING
OVER THE MOUNTAIN PASSES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

A WET AND UNSETTLED WEATHER PATTERN WILL PERSIST THROUGH THE REST OF
THE WEEK INTO NEW YEARS WEEKEND. ONE PACIFIC WEATHER SYSTEM AFTER
ANOTHER WILL BRING AN ABUNDANT AMOUNT OF RAIN AND HIGHER MOUNTAIN
SNOW TO THE REGION. SNOW LEVELS WILL BE QUITE HIGH THROUGH MOST OF
THE PERIOD. IT WILL ALSO BECOME BREEZY TO WINDY AT TIMES AS EACH
WEATHER SYSTEM PASSES THROUGH THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

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.

Nearby

Wind Advisories in Oregon, 2011Wind Advisories in Washington, 2011Every wind advisory 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.