Alert archive / Oregon / Wind Advisories in 2011

Wind Advisory 13, NWS Pendleton, OR

March 1, 2011Union County, Wallowa County, Oregon

NWS Pendleton, OR issued this wind advisory at Mar 1, 2011, 2:51 PM PST for Union County, Wallowa County, Oregon. It took effect at Mar 1, 2011, 10:00 PM PST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Mar 1, 2011, 2:51 PM PST (22:51 UTC)
In effect from
Mar 1, 2011, 10:00 PM PST
Expired
Mar 2, 2011, 12:00 PM PST
In force
14 hr
Issued by
NWS Pendleton, OR

Counties Union County, OR, Wallowa County, OR

The radar

The Pendleton radar (KPDT), 102 km from the middle of the area, began a volume at 22:55 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

Boise Airport, ID (KBOI), launched 12:00Z, 10.9 hours before the alert went out and 236 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, Boise Airport, ID at 12:00Z on 2011-03-01Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Boise Airport, ID at 12:00Z on 2011-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
2167 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
148 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.

192 
WWUS76 KPDT 012251
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
251 PM PST TUE MAR 1 2011

...WIND ADVISORY IN EFFECT FOR SOUTHERN GRANDE RONDE VALLEY AND
SOUTHERN WALLOWA VALLEY FROM 10 PM TONIGHT TO NOON WEDNESDAY...

.A STRONG PRESSURE GRADIENT AND SOUTHERLY FLOW ALOFT WILL PRODUCE
LOCALLY VERY WINDY CONDITIONS LATE THIS EVENING THROUGH WEDNESDAY
MORNING. 

ORZ049-050-020700-
/O.NEW.KPDT.WI.Y.0013.110302T0600Z-110302T2000Z/
GRANDE RONDE VALLEY-WALLOWA COUNTY-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE...ENTERPRISE...
JOSEPH...WALLOWA
251 PM PST TUE MAR 1 2011

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

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

* TIMING: STRONGEST WINDS WILL OCCUR FROM MIDNIGHT TO 8 AM.

* WINDS: SOUTH TO SOUTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS 45 TO
  50 MPH ARE EXPECTED.

* IMPACTS: TRAVELERS IN HIGH PROFILE VEHICLES ON EAST- WEST ROADS
  WILL EXPERIENCE STRONG CROSS WINDS WHICH WILL CAUSE POTENTIALLY
  HAZARDOUS CONDITIONS. ROADS IMPACTED WILL BE MAINLY HIGHWAY 82
  BETWEEN JOSEPH AND ENTERPRISE AND HIGHWAYS 203 AND 237 IN THE
  SOUTHERN GRANDE RONDE VALLEY.


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. MINOR
PROPERTY DAMAGE MAY OCCUR. FOR ADDITIONAL WEATHER
INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON.

&&

$$
3 follow-up statements
894 
WWUS76 KPDT 020616
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1016 PM PST TUE MAR 1 2011

...WIND ADVISORY IN EFFECT FOR SOUTHERN GRANDE RONDE VALLEY AND
SOUTHERN WALLOWA VALLEY FROM 10 PM TONIGHT TO NOON WEDNESDAY...

.A STRONG PRESSURE GRADIENT AND SOUTHERLY FLOW ALOFT WILL PRODUCE
LOCALLY VERY WINDY CONDITIONS LATE TONIGHT THROUGH WEDNESDAY MORNING.
THE STRONGEST WINDS WILL COME OUT OF THE MOUTH OF CANYONS ALONG
THE NORTH SIDE OF THE WALLOWA MOUNTAINS AND IN THE SOUTHERN GRANDE
RONDE VALLEY.

ORZ049-050-021500-
/O.CON.KPDT.WI.Y.0013.000000T0000Z-110302T2000Z/
GRANDE RONDE VALLEY-WALLOWA COUNTY-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE...ENTERPRISE...
JOSEPH...WALLOWA
1016 PM PST TUE MAR 1 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST WEDNESDAY. 

* TIMING: STRONGEST WINDS WILL OCCUR FROM MIDNIGHT TO 10 AM.

* WINDS: SOUTH TO SOUTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS 45 
  TO 50 MPH ARE EXPECTED. 

* IMPACTS: TRAVELERS IN HIGH PROFILE VEHICLES ON EAST- WEST 
  ROADS WILL EXPERIENCE STRONG CROSS WINDS WHICH WILL CAUSE 
  POTENTIALLY HAZARDOUS CONDITIONS. ROADS IMPACTED WILL BE 
  MAINLY HIGHWAY 82 BETWEEN JOSEPH AND ENTERPRISE AND HIGHWAYS 
  203 AND 237 IN THE SOUTHERN GRANDE RONDE VALLEY.

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. MINOR
PROPERTY DAMAGE MAY OCCUR. FOR ADDITIONAL WEATHER INFORMATION...
CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON.

&&

$$
139 
WWUS76 KPDT 021413
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
613 AM PST WED MAR 2 2011

...WIND ADVISORY IN EFFECT FOR SOUTHERN GRANDE RONDE VALLEY AND
SOUTHERN WALLOWA VALLEY THROUGH NOON TODAY...

.A STRONG PRESSURE GRADIENT AND SOUTHERLY FLOW ALOFT WILL PRODUCE
LOCALLY VERY WINDY CONDITIONS THROUGH THIS MORNING. THE STRONGEST
WINDS WILL COME OUT OF THE MOUTH OF CANYONS ALONG THE NORTH SIDE
OF THE WALLOWA MOUNTAINS AND IN THE SOUTHERN GRANDE RONDE VALLEY.

ORZ049-050-022000-
/O.CON.KPDT.WI.Y.0013.000000T0000Z-110302T2000Z/
GRANDE RONDE VALLEY-WALLOWA COUNTY-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE...ENTERPRISE...
JOSEPH...WALLOWA
613 AM PST WED MAR 2 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY. 

* TIMING: STRONGEST WINDS WILL OCCUR THIS MORNING.

* WINDS: SOUTH TO SOUTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS 45 
  TO 50 MPH ARE EXPECTED.

* IMPACTS: TRAVELERS IN HIGH PROFILE VEHICLES ON EAST- WEST 
  ROADS WILL EXPERIENCE STRONG CROSS WINDS WHICH WILL CAUSE 
  POTENTIALLY HAZARDOUS CONDITIONS. ROADS IMPACTED WILL BE 
  MAINLY HIGHWAY 82 BETWEEN JOSEPH AND ENTERPRISE AND HIGHWAYS 
  203 AND 237 IN THE SOUTHERN GRANDE RONDE VALLEY.

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. MINOR
PROPERTY DAMAGE MAY OCCUR. FOR ADDITIONAL WEATHER INFORMATION...
CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON.

&&

$$
030 
WWUS76 KPDT 021958
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1158 AM PST WED MAR 2 2011

ORZ049-050-022100-
/O.EXP.KPDT.WI.Y.0013.000000T0000Z-110302T2000Z/
GRANDE RONDE VALLEY-WALLOWA COUNTY-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE...ENTERPRISE...
JOSEPH...WALLOWA
1158 AM PST WED MAR 2 2011

...WIND ADVISORY WILL EXPIRE AT NOON PST TODAY...

THE WIND ADVISORY WILL EXPIRE AT NOON PST TODAY. 

WIDESPREAD ADVISORY WINDS ARE EXPECTED TO DIMINISH OVER THE NEXT
COUPLE HOURS ALTHOUGH PERIODS OF LOCAL SUSTAINED WINDS REACHING 25
TO 35 MPH WITH HIGHER GUSTS ARE EXPECTED TO CONTINUE THROUGH THE
AFTERNOON. LOCATIONS NEAR TO AND IMMEDIATELY DOWNWIND OF STEEP
VALLEYS AND CANYONS ARE MOST LIKELY TO SEE THE BEST POTENTIAL FOR GUSTY
WINDS.

$$

Nearby

Wind Advisories in Oregon, 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.