Alert archive / Washington / Wind Advisories in 2012

Wind Advisory 43, NWS Pendleton, OR

December 16, 20126 counties in Washington; 4 counties in Oregon

NWS Pendleton, OR issued this wind advisory at Dec 16, 2012, 2:41 AM PST for 6 counties in Washington; 4 counties in Oregon. It took effect at Dec 16, 2012, 4:00 PM PST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Dec 16, 2012, 2:41 AM PST (10:41 UTC)
In effect from
Dec 16, 2012, 4:00 PM PST
Expired
Dec 17, 2012, 4:00 PM PST
In force
24 hr
Issued by
NWS Pendleton, OR

Counties Gilliam County, OR, Morrow County, OR, Umatilla County, OR, Wheeler County, OR, Benton County, WA, Columbia County, WA, Franklin County, WA, Klickitat County, WA, Walla Walla County, WA, Yakima County, WA

The radar

The Pendleton radar (KPDT), 53 km from the middle of the area, began a volume at 10:45 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 00:00Z, 10.7 hours before the alert went out and 294 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 00:00Z on 2012-12-16Temperature 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 00:00Z on 2012-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 square meters per square second.19395878Sfc1 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
583 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
183 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.

774 
WWUS76 KPDT 161041
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
241 AM PST SUN DEC 16 2012

...STRONG WINDS EXPECTED LATER THIS AFTERNOON THROUGH MONDAY
AFTERNOON...

.A STRONG WEATHER SYSTEM WILL MOVE ACROSS THE PACIFIC NORTHWEST
BRINGING THE POTENTIAL FOR HIGH WINDS.

ORZ050-502-503-506-WAZ030-161145-
/O.CAN.KPDT.HW.A.0006.121216T2100Z-121217T1800Z/
WALLOWA COUNTY-NORTHERN BLUE MOUNTAINS OF OREGON-
SOUTHERN BLUE MOUNTAINS OF OREGON-OCHOCO-JOHN DAY HIGHLANDS-
NORTHWEST BLUE MOUNTAINS OF WASHINGTON-
INCLUDING THE CITIES OF...ENTERPRISE...JOSEPH...WALLOWA...
MEACHAM...TOLLGATE...LONG CREEK...UKIAH...BROTHERS...PAULINA...
PRAIRIE CITY...SENECA...SKI BLUEWOOD RESORT
241 AM PST SUN DEC 16 2012

...HIGH WIND WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS CANCELLED THE HIGH
WIND WATCH. 

THE HIGH WIND WATCH HAS BEEN UPGRADED TO HIGH WIND WARNINGS OR
ADVISORIES.


$$

ORZ049-505-509-161845-
/O.UPG.KPDT.HW.A.0006.121216T2100Z-121217T1800Z/
/O.NEW.KPDT.HW.W.0007.121216T2100Z-121217T2100Z/
GRANDE RONDE VALLEY-JOHN DAY BASIN-
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE...DAYVILLE...
JOHN DAY...MITCHELL...MONUMENT...SPRAY...BEND...LA PINE...
SUNRIVER
241 AM PST SUN DEC 16 2012

...HIGH WIND WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 1 PM
PST MONDAY...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 1 PM PST
MONDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING: WINDS WILL INCREASE THIS AFTERNOON BECOMING STRONG
  OVERNIGHT INTO MONDAY AFTERNOON. THE STRONGEST WINDS ARE
  EXPECTED OVERNIGHT. 

* WINDS: SOUTH TO SOUTHWEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS: WINDS MAY DOWN TREES AND POWER LINES CAUSING POWER
  OUTAGES. DRIVING WILL BE DIFFICULT... ESPECIALLY FOR HIGH
  PROFILE VEHICLES.


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.

&&

$$

ORZ042-507-508-161845-
/O.UPG.KPDT.HW.A.0006.121216T2100Z-121217T1800Z/
/O.NEW.KPDT.WI.Y.0043.121217T0000Z-121218T0000Z/
NORTH CENTRAL OREGON-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
INCLUDING THE CITIES OF...DUFUR...MADRAS...MAUPIN...MORO...
PRINEVILLE...REDMOND...PENDLETON...PILOT ROCK...HEPPNER...
CONDON...FOSSIL
241 AM PST SUN DEC 16 2012

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST
MONDAY...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM
PST MONDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING: WINDS WILL INCREASE LATER THIS AFTERNOON BECOMING STRONG
  OVERNIGHT INTO MONDAY AFTERNOON.

* WINDS: SOUTH TO SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 50 MPH.

* IMPACTS: DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT AT
  TIMES.

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-WAZ028-029-521-161845-
/O.NEW.KPDT.WI.Y.0043.121217T0000Z-121218T0000Z/
LOWER COLUMBIA BASIN OF OREGON-LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF...BOARDMAN...HERMISTON...IONE...CONNELL...
PROSSER...TRI-CITIES...DAYTON...WAITSBURG...WALLA WALLA...
BICKLETON...GOLDENDALE
241 AM PST SUN DEC 16 2012

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST
MONDAY...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM
PST MONDAY. 

* TIMING: WINDS WILL INCREASE LATE THIS AFTERNOON BECOMING STRONG
  OVERNIGHT INTO MONDAY AFTERNOON.

* WINDS: SOUTH TO SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 50 MPH.

* IMPACTS: DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT AT
  TIMES.

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.

&&

$$
6 follow-up statements
254 
WWUS76 KPDT 162025
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1225 PM PST SUN DEC 16 2012

...STRONG WINDS EXPECTED OVERNIGHT THROUGH MONDAY AFTERNOON...

.A STRONG WEATHER SYSTEM WILL MOVE ACROSS THE PACIFIC NORTHWEST
BRINGING THE POTENTIAL FOR HIGH WINDS.

ORZ049-505-509-170700-
/O.CON.KPDT.HW.W.0007.121216T2100Z-121217T2100Z/
GRANDE RONDE VALLEY-JOHN DAY BASIN-
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE...DAYVILLE...
JOHN DAY...MITCHELL...MONUMENT...SPRAY...BEND...LA PINE...
SUNRIVER
1225 PM PST SUN DEC 16 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM PST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM PST MONDAY. 

* TIMING: WINDS WILL INCREASE THIS AFTERNOON BECOMING STRONG 
  OVERNIGHT INTO MONDAY AFTERNOON. THE STRONGEST WINDS ARE 
  EXPECTED OVERNIGHT. 

* WINDS: SOUTH TO SOUTHWEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS: WINDS MAY DOWN TREES AND POWER LINES CAUSING POWER 
  OUTAGES. DRIVING WILL BE DIFFICULT... ESPECIALLY FOR HIGH 
  PROFILE VEHICLES. BLOWING AND DRIFTING SNOW IS ALSO POSSIBLE.

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.

&&

$$

ORZ042-044-507-508-WAZ028-029-521-170700-
/O.CON.KPDT.WI.Y.0043.121217T0000Z-121218T0000Z/
NORTH CENTRAL OREGON-LOWER COLUMBIA BASIN OF OREGON-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF...DUFUR...MADRAS...MAUPIN...MORO...
PRINEVILLE...REDMOND...BOARDMAN...HERMISTON...IONE...PENDLETON...
PILOT ROCK...HEPPNER...CONDON...FOSSIL...CONNELL...PROSSER...
TRI-CITIES...DAYTON...WAITSBURG...WALLA WALLA...BICKLETON...
GOLDENDALE
1225 PM PST SUN DEC 16 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 PM PST MONDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 PM PST MONDAY. 

* TIMING: WINDS WILL INCREASE LATER THIS AFTERNOON BECOMING 
  STRONG OVERNIGHT INTO MONDAY AFTERNOON. 

* WINDS: SOUTH TO SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 50 MPH.

* IMPACTS: DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT AT 
  TIMES.

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.

&&

$$
841 
WWUS76 KPDT 170604
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1004 PM PST SUN DEC 16 2012

...STRONG WINDS EXPECTED OVERNIGHT THROUGH MONDAY AFTERNOON...

.A STRONG WEATHER SYSTEM WILL MOVE ACROSS THE PACIFIC NORTHWEST
BRINGING THE POTENTIAL FOR HIGH WINDS.

ORZ049-505-509-171500-
/O.CON.KPDT.HW.W.0007.000000T0000Z-121217T2100Z/
GRANDE RONDE VALLEY-JOHN DAY BASIN-
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE...DAYVILLE...
JOHN DAY...MITCHELL...MONUMENT...SPRAY...BEND...LA PINE...
SUNRIVER
1004 PM PST SUN DEC 16 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM PST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM PST MONDAY. 

* TIMING: WINDS WILL CONTINUE TO INCREASE AND BECOME STRONG
  OVERNIGHT INTO MONDAY AFTERNOON. THE STRONGEST WINDS ARE
  EXPECTED OVERNIGHT.

* WINDS: SOUTH TO SOUTHWEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS: WINDS MAY DOWN TREES AND POWER LINES CAUSING POWER
  OUTAGES. DRIVING WILL BE DIFFICULT...ESPECIALLY FOR HIGH
  PROFILE VEHICLES. BLOWING AND DRIFTING SNOW IS ALSO POSSIBLE.

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.

&&

$$

ORZ042-044-507-508-WAZ028-029-521-171500-
/O.CON.KPDT.WI.Y.0043.000000T0000Z-121218T0000Z/
NORTH CENTRAL OREGON-LOWER COLUMBIA BASIN OF OREGON-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF...DUFUR...MADRAS...MAUPIN...MORO...
PRINEVILLE...REDMOND...BOARDMAN...HERMISTON...IONE...PENDLETON...
PILOT ROCK...HEPPNER...CONDON...FOSSIL...CONNELL...PROSSER...
TRI-CITIES...DAYTON...WAITSBURG...WALLA WALLA...BICKLETON...
GOLDENDALE
1004 PM PST SUN DEC 16 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST MONDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST MONDAY. 

* TIMING: WINDS WILL CONTINUE TO INCREASE AND BECOME STRONG
  OVERNIGHT INTO MONDAY AFTERNOON.

* WINDS: SOUTH TO SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 50 MPH.

* IMPACTS: DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT AT 
  TIMES.

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.

&&

$$
205 
WWUS76 KPDT 170949
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
149 AM PST MON DEC 17 2012

...STRONG WINDS EXPECTED OVERNIGHT THROUGH MONDAY AFTERNOON...

.A STRONG WEATHER SYSTEM WILL MOVE ACROSS THE PACIFIC NORTHWEST
BRINGING THE POTENTIAL FOR HIGH WINDS.

ORZ044-507-WAZ028-029-172200-
/O.UPG.KPDT.WI.Y.0043.000000T0000Z-121218T0000Z/
/O.EXB.KPDT.HW.W.0007.000000T0000Z-121218T0000Z/
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
149 AM PST MON DEC 17 2012

...HIGH WIND WARNING IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. THE
WIND ADVISORY IS NO LONGER IN EFFECT. 

* TIMING: WINDS WILL CONTINUE TO INCREASE AND BECOME STRONG
  OVERNIGHT INTO MONDAY AFTERNOON. WINDS WILL PEAK AROUND MIDDAY.  

* WINDS: SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH.

* IMPACTS: DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT AT 
  TIMES. WINDS MAY DOWN TREES AND POWERLINES. 

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.

&&

$$

ORZ049-505-509-172100-
/O.CON.KPDT.HW.W.0007.000000T0000Z-121217T2100Z/
GRANDE RONDE VALLEY-JOHN DAY BASIN-
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE...DAYVILLE...
JOHN DAY...MITCHELL...MONUMENT...SPRAY...BEND...LA PINE...
SUNRIVER
149 AM PST MON DEC 17 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM PST THIS
AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM PST THIS
AFTERNOON. 

* TIMING: WINDS WILL CONTINUE TO INCREASE AND BECOME STRONG 
  OVERNIGHT INTO MONDAY AFTERNOON. THE STRONGEST WINDS ARE 
  EXPECTED OVERNIGHT. 

* WINDS: SOUTH TO SOUTHWEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS: WINDS MAY DOWN TREES AND POWER LINES CAUSING POWER 
  OUTAGES. DRIVING WILL BE DIFFICULT...ESPECIALLY FOR HIGH 
  PROFILE VEHICLES. BLOWING AND DRIFTING SNOW IS ALSO POSSIBLE.

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.

&&

$$

ORZ042-508-WAZ521-172200-
/O.CON.KPDT.WI.Y.0043.000000T0000Z-121218T0000Z/
NORTH CENTRAL OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF...DUFUR...MADRAS...MAUPIN...MORO...
PRINEVILLE...REDMOND...HEPPNER...CONDON...FOSSIL...BICKLETON...
GOLDENDALE
149 AM PST MON DEC 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. 

* TIMING: WINDS WILL CONTINUE TO INCREASE AND BECOME STRONG 
  OVERNIGHT INTO MONDAY AFTERNOON. 

* WINDS: SOUTH TO SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 50 MPH.

* IMPACTS: DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT AT 
  TIMES.

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.

&&

$$
223 
WWUS76 KPDT 171140
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
340 AM PST MON DEC 17 2012

...STRONG WINDS EXPECTED THROUGH MONDAY AFTERNOON...

.A STRONG WEATHER SYSTEM WILL MOVE ACROSS THE PACIFIC NORTHWEST
BRINGING FOR HIGH WINDS.

ORZ049-505-509-171945-
/O.CON.KPDT.HW.W.0007.000000T0000Z-121217T2100Z/
GRANDE RONDE VALLEY-JOHN DAY BASIN-
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE...DAYVILLE...
JOHN DAY...MITCHELL...MONUMENT...SPRAY...BEND...LA PINE...
SUNRIVER
340 AM PST MON DEC 17 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM PST THIS
AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM PST THIS
AFTERNOON. 

* TIMING: WINDS WILL CONTINUE TO INCREASE. THE STRONGEST WINDS ARE
  EXPECTED THIS MORNING.

* WINDS: SOUTH TO SOUTHWEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS: WINDS MAY DOWN TREES AND POWER LINES CAUSING POWER 
  OUTAGES. DRIVING WILL BE DIFFICULT...ESPECIALLY FOR HIGH 
  PROFILE VEHICLES. BLOWING AND DRIFTING SNOW IS ALSO POSSIBLE.

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.

&&

$$

ORZ044-507-WAZ028-029-171945-
/O.CON.KPDT.HW.W.0007.000000T0000Z-121218T0000Z/
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
340 AM PST MON DEC 17 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON. 

* TIMING: WINDS WILL CONTINUE TO INCREASE. WINDS WILL PEAK AROUND
  MIDDAY.

* WINDS: SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH.

* IMPACTS: DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT AT 
  TIMES. WINDS MAY DOWN TREES AND POWERLINES.

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.

&&

$$

WAZ027-171945-
/O.EXA.KPDT.WI.Y.0043.000000T0000Z-121218T0000Z/
YAKIMA VALLEY-
INCLUDING THE CITIES OF...NACHES...SUNNYSIDE...TOPPENISH...YAKIMA
340 AM PST MON DEC 17 2012

...WIND ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WIND
ADVISORY FOR THE YAKIMA VALLEY...WHICH IS IN EFFECT UNTIL 4 PM
PST THIS AFTERNOON.

* TIMING: WINDS WILL INCREASE. THE STRONGEST WINDS ARE EXPECTED
  THIS MORNING.

* WINDS: SOUTH TO SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 55 MPH.

* IMPACTS: DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT AT 
  TIMES.

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-WAZ521-171945-
/O.CON.KPDT.WI.Y.0043.000000T0000Z-121218T0000Z/
NORTH CENTRAL OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF...DUFUR...MADRAS...MAUPIN...MORO...
PRINEVILLE...REDMOND...HEPPNER...CONDON...FOSSIL...BICKLETON...
GOLDENDALE
340 AM PST MON DEC 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. 

* TIMING: WINDS WILL CONTINUE TO INCREASE AND BECOME STRONG 
  OVERNIGHT INTO MONDAY AFTERNOON. 

* WINDS: SOUTH TO SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 55 MPH.

* IMPACTS: DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT AT 
  TIMES.

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.

&&

$$
366 
WWUS76 KPDT 171645
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
845 AM PST MON DEC 17 2012

...STRONG WINDS EXPECTED THROUGH MIDDAY...

.A STRONG WEATHER SYSTEM WILL MOVE ACROSS THE PACIFIC NORTHWEST
BRINGING FOR HIGH WINDS THROUGH MIDDAY THEN DECREASING IN THE AFTERNOON.

ORZ049-505-509-171745-
/O.CAN.KPDT.HW.W.0007.000000T0000Z-121217T2100Z/
GRANDE RONDE VALLEY-JOHN DAY BASIN-
EAST SLOPES OF THE OREGON CASCADES-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE...DAYVILLE...
JOHN DAY...MITCHELL...MONUMENT...SPRAY...BEND...LA PINE...
SUNRIVER
845 AM PST MON DEC 17 2012

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS CANCELLED THE HIGH
WIND WARNING. 


$$

ORZ044-507-WAZ028-029-180000-
/O.CON.KPDT.HW.W.0007.000000T0000Z-121218T0000Z/
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
845 AM PST MON DEC 17 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON. 

* TIMING: WINDS WILL CONTINUE TO INCREASE. WINDS WILL PEAK 
  AROUND MIDDAY. 

* WINDS: SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH.

* IMPACTS: DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT AT 
  TIMES. WINDS MAY DOWN TREES AND POWERLINES.

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.

&&

$$

WAZ027-180000-
/O.CON.KPDT.WI.Y.0043.000000T0000Z-121218T0000Z/
YAKIMA VALLEY-
INCLUDING THE CITIES OF...NACHES...SUNNYSIDE...TOPPENISH...YAKIMA
845 AM PST MON DEC 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. 

* TIMING: WINDS WILL INCREASE. THE STRONGEST WINDS ARE EXPECTED 
  THIS MORNING. 

* WINDS: SOUTH TO SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 50 MPH.

* IMPACTS: DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT AT 
  TIMES.

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-WAZ521-180000-
/O.CON.KPDT.WI.Y.0043.000000T0000Z-121218T0000Z/
NORTH CENTRAL OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF...DUFUR...MADRAS...MAUPIN...MORO...
PRINEVILLE...REDMOND...HEPPNER...CONDON...FOSSIL...BICKLETON...
GOLDENDALE
845 AM PST MON DEC 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. 

* TIMING: WINDS WILL CONTINUE TO INCREASE AND BECOME STRONG 
  OVERNIGHT INTO MONDAY AFTERNOON. 

* WINDS: SOUTH TO SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 50 MPH.

* IMPACTS: DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT AT 
  TIMES.

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.

&&

$$
444 
WWUS76 KPDT 172345
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
345 PM PST MON DEC 17 2012

ORZ044-507-WAZ028-029-180045-
/O.EXP.KPDT.HW.W.0007.000000T0000Z-121218T0000Z/
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
345 PM PST MON DEC 17 2012

...HIGH WIND WARNING WILL EXPIRE AT 4 PM PST THIS AFTERNOON...

THE HIGH WIND WARNING WILL EXPIRE AT 4 PM PST THIS AFTERNOON. 

THE STRONG WEATHER SYSTEM THAT BROUGHT TIGHT PRESSURE GRADIENTS
THAT RESULTED IN STRONG WINDS HAS MOVED TO THE EAST AND THE WINDS
ARE NOW DECREASING BELOW WARNING CRITERIA. THEREFORE THE HIGH WIND
WARNING WILL EXPIRE AT 4 PM. IT WILL REMAIN BREEZY TO WINDY INTO
THE EVENING HOURS BUT THE WINDS WILL CONTINUE TO DECREASE
OVERNIGHT.

$$

WAZ027-180045-
/O.EXP.KPDT.WI.Y.0043.000000T0000Z-121218T0000Z/
YAKIMA VALLEY-
INCLUDING THE CITIES OF...NACHES...SUNNYSIDE...TOPPENISH...YAKIMA
345 PM PST MON DEC 17 2012

...WIND ADVISORY WILL EXPIRE AT 4 PM PST THIS AFTERNOON...

THE WIND ADVISORY WILL EXPIRE AT 4 PM PST THIS AFTERNOON. 

THE STRONG WEATHER SYSTEM THAT BROUGHT TIGHT PRESSURE GRADIENTS
THAT RESULTED IN STRONG WINDS HAS MOVED TO THE EAST AND THE WINDS
ARE NOW DECREASING BELOW ADVISORY CRITERIA. THEREFORE THE WIND 
ADVISORY WILL EXPIRE AT 4 PM. IT WILL REMAIN BREEZY TO WINDY INTO
THE EVENING HOURS BUT THE WINDS WILL CONTINUE TO DECREASE
OVERNIGHT.

$$

ORZ042-508-WAZ521-180045-
/O.EXP.KPDT.WI.Y.0043.000000T0000Z-121218T0000Z/
NORTH CENTRAL OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF...DUFUR...MADRAS...MAUPIN...MORO...
PRINEVILLE...REDMOND...HEPPNER...CONDON...FOSSIL...BICKLETON...
GOLDENDALE
345 PM PST MON DEC 17 2012

...WIND ADVISORY WILL EXPIRE AT 4 PM PST THIS AFTERNOON...

THE WIND ADVISORY WILL EXPIRE AT 4 PM PST THIS AFTERNOON. 

THE STRONG WEATHER SYSTEM THAT BROUGHT TIGHT PRESSURE GRADIENTS
THAT RESULTED IN STRONG WINDS HAS MOVED TO THE EAST AND THE WINDS
ARE NOW DECREASING BELOW ADVISORY CRITERIA. THEREFORE THE WIND 
ADVISORY WILL EXPIRE AT 4 PM. IT WILL REMAIN BREEZY TO WINDY INTO
THE EVENING HOURS BUT THE WINDS WILL CONTINUE TO DECREASE
OVERNIGHT.

$$

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 15, 10:04 PM PST, 4 hours 37 minutes earlier.

Area forecast discussion, Dec 15, 10:04 PM PST, 4 hours 37 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
1004 PM PST SAT DEC 15 2012

UPDATED AVIATION DISCUSSION

.UPDATE...A WEAKENING WEATHER SYSTEM CONTINUES TO MOVE THROUGH THE
AREA THIS EVENING. THE HEAVIEST PRECIPITATION BAND HAS ALREADY
MOVED ACROSS MUCH OF THE AREA. THE BACK END OF THE BAND HAS
ALREADY MOVED BY THE TRI-CITIES AND WILL BE OUT OF THE AREA IN THE
NEXT COUPLE OF HOURS, PERHAPS NOT UNTIL AFTER MIDNIGHT IN WALLOWA
COUNTY. MOST LOWER ELEVATION LOCATIONS HAD UP TO 3 INCHES OF SNOW
WITH A FEW LOCATIONS UP TO 5 INCHES. THE MOUNTAINS HAVE BEEN IN
THE 2 TO 5 INCH RANGE. TWEAKED A FEW SNOW AMOUNTS HIGHER EARLIER
THIS EVENING. EXPECT THAT LIGHT SHOWERY SNOW WILL CONTINUE THROUGH
THE NIGHT ALONG THE CASCADE CREST AND THE EASTERN MOUNTAINS.
UPSLOPE FLOW ALONG THE BLUE MOUNTAIN FOOTHILLS MAY PROVIDE A FEW
RAIN AND SNOW SHOWERS AS WELL, BUT AMOUNTS SHOULD BE LIGHT. WILL
TAKE A LOOK AT CURRENT ADVISORIES IN THE NEXT HOUR OR TWO AND WILL
PROBABLY EXPIRE A FEW ZONES EARLY SINCE SNOWFALL HAS NEARLY ENDED.
ADJUSTED A FEW LOW TEMPERATURES TONIGHT WHERE TEMPERATURES WERE
ALREADY AT OR CLOSE TO FORECAST LOWS. UPDATE ALREADY OUT. PERRY

&&

AVIATION...06Z TAFS...LIGHT SNOW HAS LARGELY ENDED AT MOST TAF SITES
BUT WILL REMAIN A POSSIBILITY AT KPDT, KBDN, KRDM AND PERHAPS KALW
THROUGH 09Z. CEILINGS WILL BE AT MVFR LEVELS AT KYKM THROUGH
TOMORROW MORNING AND KBDN FOR THE NEXT FEW HOURS, OTHERWISE VFR
CEILINGS ARE EXPECTED THROUGH 18Z TOMORROW. KYKM AND KPSC MAY HAVE
MVFR VISIBILITIES OVERNIGHT UNTIL 18Z. THE NEXT WEATHER SYSTEM WILL
BEGIN MOVING IN AFTER 18Z TOMORROW WITH MVFR AND LOW END VFR
CEILINGS ANTICIPATED THROUGH 06Z. RAIN IS EXPECTED AT MOST TAF SITES
WITH PERHAPS AN INITIAL RAIN/SNOW MIX. AN EXCEPTION IS KYKM WHERE
PRIMARILY SNOW IS ANTICIPATED WITH SOME RAIN MIXED IN BEFORE 00Z.
WINDS WILL GENERALLY BE BELOW 15 KTS THROUGH 20Z TOMORROW THOUGH
KALW, KPDT AND PSC MAY SEE A FEW GUSTS TO 25 KTS THROUGH 12Z
TONIGHT. AFTER 20Z TOMORROW WINDS AT ALL TAF SITES EXCEPT KDLS AND
KYKM WILL INCREASE TO 10 TO 15 KTS WITH GUSTS TO 25 KTS THROUGH 00Z
THEN INCREASE TO 15 TO 20 KTS WITH GUSTS TO 30 KTS. PERRY

&&

.PREV DISCUSSION... /ISSUED 345 PM PST SAT DEC 15 2012/

SHORT TERM...TONIGHT THROUGH TUESDAY...CURRENTLY A WEAKENING
WEATHER SYSTEM IS MOVING INTO THE FORECAST AREA FROM THE WEST.
ALREADY SEEING LIGHT SNOW IN THE WESTERN PORTION OF THE FORECAST
AREA WHICH IS SLOWLY MOVING EASTWARD. LATE AFTERNOON THROUGH THE
EARLY OVERNIGHT PERIOD IS WHEN THE BEST SNOWFALL POTENTIAL WILL
OCCUR THEN BEGIN TO TAPER OFF LATE TONIGHT THROUGH EARLY SUNDAY.
NUMEROUS WINTER WEATHER ADVISORIES HAVE BEEN ISSUED TO COVER THIS
PERIOD AND DO EXPECT THAT MOST OF THOSE ZONES WILL SEE OR APPROACH
LOW END CRITERIA SNOWFALL AMOUNTS.

THE NEXT WEATHER SYSTEM WILL ARRIVE BY SUNDAY AFTERNOON. THIS SYSTEM
WILL BEGIN AS A WARM FRONT ADVECTING OVER THE REGION SUNDAY NIGHT
THEN A COLD FRONT ON MONDAY. THIS SYSTEM WILL PRODUCE BOTH SNOW AND
RAIN AS SNOW LEVELS FLUCTUATE OVER TIME. THE HIGHER ELEVATIONS WILL
ALSO SEE SOME SIGNIFICANT WINDS. AS SUCH A COMBINATION OF HIGH WIND
WATCHES AND WINTER STORM WATCHES HAVE BEEN ISSUED. SOME AREAS WILL
SEE THE WIND AND SNOW COMBINED TO CREATE POTENTIAL BLIZZARD
CONDITIONS. SEE LATEST WINTER STORM PRODUCT (PDXWSWPDT) AND HIGH
WIND WATCH (PDXNPWPDT) FOR MORE DETAILS. THIS SYSTEM WILL WIND DOWN
ON MONDAY WITH DECREASING WINDS AND GRADUALLY DECREASING SNOW. A
COOL AND UNSETTLED WEATHER PATTERN WILL KEEP SOME LINGERING SHOWER
POTENTIAL ACROSS THE FORECAST AREA THROUGH TUESDAY.

LONG TERM...TUESDAY NIGHT THROUGH SATURDAY.  THE LARGE SCALE TROUGH
WILL SHIFT EAST TUESDAY NIGHT WITH THE NEXT SYSTEM MOVING THROUGH
THE WEAK RIDGE ONSHORE TO BRING NEXT ROUND OF SNOW AND MIXED RAIN
AND SNOW AT THE LOWER ELEVATIONS.  THE SOUTH TO SOUTHWEST FLOW WILL
CONTINUE THROUGH THE REST OF THE EXTENDED PERIOD AS A TROUGH REMAINS
OFF THE OREGON COAST.  THE GFS IS FASTEST WITH THE LOW MOVING MUCH
CLOSER TO THE COAST WHILE THE ECMWF KEEPS IT OUT AROUND 130W.  THE
LATEST ECMWF IS TRENDING TOWARD THE GFS MODEL SO LEAN TOWARD IT AS
WELL.  THIS WILL KEEP SOUTHWEST FLOW AND CONTINUED PERIODS OF
PRECIPITATION OVER THE AREA THROUGH THE NEXT WEEKEND...WITH MOST OF
MOISTURE ALONG THE CASCADES AND BLUE MOUNTAINS.  IT APPEARS THAT THE
COLD AIR WILL REMAIN IN PLACE OVER MUCH OF EASTERN OREGON AND
WASHINGTON WITH THE WARMER AIR FROM THE SOUTH NOT ABLE TO MIX IN AND
TEMPERATURES SLIGHTLY BELOW NORMAL. 93

&&

.PRELIMINARY POINT TEMPS/POPS...
PDT  31  41  37  40 /  80  50  70  60
ALW  32  42  38  42 /  80  40  70  60
PSC  32  39  38  41 /  80  30  90  20
YKM  27  35  32  35 /  80  60 100  40
HRI  31  40  37  41 /  80  40  60  20
ELN  26  35  31  34 /  80  60 100  40
RDM  26  40  33  33 /  80  60  70  60
LGD  28  35  34  34 /  80  50  80  80
GCD  26  35  32  32 /  90  80  70  80
DLS  31  41  37  42 /  80  80 100  70

&&

.PDT WATCHES/WARNINGS/ADVISORIES...
OR...WINTER WEATHER ADVISORY UNTIL 7 AM PST SUNDAY ORZ049-050-503-506.

     HIGH WIND WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING
     ORZ042-049-050-502-503-505>509.

     BLIZZARD WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY EVENING
     ORZ503.

     WINTER WEATHER ADVISORY UNTIL 7 AM PST SUNDAY ORZ502.

     BLIZZARD WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY EVENING
     ORZ502.

     WINTER WEATHER ADVISORY UNTIL 7 AM PST SUNDAY ORZ505.

     WINTER WEATHER ADVISORY UNTIL 4 AM PST SUNDAY ORZ509.

     WINTER WEATHER ADVISORY UNTIL MIDNIGHT PST TONIGHT ORZ042.

WA...HIGH WIND WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING
     WAZ030.

     WINTER WEATHER ADVISORY UNTIL 7 AM PST SUNDAY WAZ030.

     BLIZZARD WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY EVENING
     WAZ030.

     WINTER WEATHER ADVISORY UNTIL 4 AM PST SUNDAY WAZ520.

     WINTER STORM WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY
     AFTERNOON WAZ520.

     WINTER WEATHER ADVISORY UNTIL MIDNIGHT PST TONIGHT WAZ026.

     WINTER STORM WATCH FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING
     WAZ026.

&&

THREAT INDEX
SUNDAY : RED
MONDAY : RED
TUESDAY : 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

83/93/93
Hazardous weather outlook, Dec 15, 2:45 PM PST, 11 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
245 PM PST SAT DEC 15 2012

ORZ041-042-044-049-050-502-503-505>509-WAZ024-026>030-520-521-
161415-
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-
245 PM PST SAT DEC 15 2012

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

.DAY ONE...TODAY AND TONIGHT

SNOW
     EAST SLOPES OF THE WASHINGTON CASCADES, KITTITAS VALLEY,
     NORTHWEST BLUE MOUNTAINS OF WASHINGTON, NORTH CENTRAL OREGON,
     EAST SLOPES OF THE OREGON CASCADES, GRANDE RONDE VALLEY,
     WALLOWA COUNTY, NORTHERN BLUE MOUNTAINS OF OREGON, SOUTHERN
     BLUE MOUNTAINS OF OREGON, JOHN DAY BASIN, OCHOCO-JOHN DAY
     HIGHLANDS

A WEATHER SYSTEM WILL MOVE ACROSS THE REGION TODAY AND OVERNIGHT
WITH SNOW. ACCUMULATIONS WILL BE MAINLY ABOVE 1500 FEET THIS
AFTERNOON AND EVENING. SOME WINTER WEATHER ADVISORIES (PDXWSWPDT)
ARE IN EFFECT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SNOW SUNDAY AND MONDAY
     EAST SLOPES OF THE WASHINGTON CASCADES, KITTITAS VALLEY,
     NORTHWEST BLUE MOUNTAINS OF WASHINGTON, EAST SLOPES OF THE
     OREGON CASCADES, GRANDE RONDE VALLEY, WALLOWA COUNTY, NORTHERN
     BLUE MOUNTAINS OF OREGON, SOUTHERN BLUE MOUNTAINS OF OREGON,
     JOHN DAY BASIN, OCHOCO-JOHN DAY HIGHLANDS

WIND SUNDAY AND MONDAY
     NORTH CENTRAL 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, NORTHWEST BLUE MOUNTAINS OF WASHINGTON

A STRONGER STORM WILL MOVE ACROSS THE PACIFIC NORTHWEST SUNDAY INTO
MONDAY. THIS WILL BRING SIGNIFICANT AMOUNTS OF PRECIPITATION AND
WIND. SOME SIGNIFICANT SNOW ACCUMULATIONS WILL BE POSSIBLE.
STRONGEST WINDS ARE EXPECTED SUNDAY NIGHT AND MONDAY MORNING AND
COULD CREATE BLIZZARD LIKE CONDITIONS IN SOME AREAS. SEE THE WINTER
STORM WATCH (PDXWSWPDT) AND HIGH WIND WATCH (PDXNPWPDT) THAT HAVE
BEEN ISSUED FOR MORE DETAILS.

.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.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 16, 2:41 AM PSTHigh Wind WarningPDTBenton, Columbia, Franklin, Klickitat, Walla Walla37 hr
Dec 16, 3:08 AM PSTBlizzard WarningPDTColumbia, Walla Walla30 hr
Dec 16, 3:08 AM PSTWinter Storm WarningPDTKittitas, Yakima34 hr
Dec 16, 8:53 AM PSTWinter Weather AdvisoryPDTKlickitat, Yakima17 hr

Nearby

Wind Advisories in Washington, 2012Wind Advisories in Oregon, 2012Every wind advisory in 2012

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.