Alert archive / Oregon / Wind Advisories in 2012

Wind Advisory 21, NWS Pendleton, OR

April 3, 2012Union County, Oregon

NWS Pendleton, OR issued this wind advisory at Apr 3, 2012, 10:50 AM PDT for Union County, Oregon. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 3, 2012, 10:50 AM PDT (17:50 UTC)
Expired
Apr 3, 2012, 3:00 PM PDT
In force
4 hr
Issued by
NWS Pendleton, OR

County Union County, OR

The radar

The Pendleton radar (KPDT), 78 km from the middle of the area, began a volume at 17:50 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, 5.8 hours before the alert went out and 241 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 2012-04-03Temperature 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 2012-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.193958Sfc1 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
2346 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
46 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.

839 
WWUS76 KPDT 031750
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1050 AM PDT TUE APR 3 2012


ORZ049-032200-
/O.NEW.KPDT.WI.Y.0021.120403T1750Z-120403T2200Z/
GRANDE RONDE VALLEY-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE
1050 AM PDT TUE APR 3 2012

...WIND ADVISORY IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON. 

* TIMING: GUSTY SOUTH WINDS WILL CONTINUE THROUGH THE AFTERNOON. A
  COLD FRONT MOVING THROUGH THE AREA WILL CAUSE WINDS TO DECREASE
  AND CHANGE TO A WESTERLY DIRECTION BY EVENING.

* WINDS: SOUTH WINDS 30 TO 35 MPH WITH GUSTS 40 TO 50 MPH.

* IMPACTS: TRAVELERS SHOULD BE PREPARED FOR SUDDEN AND STRONG WIND
  GUSTS. 

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.

&&

$$
1 follow-up statement
072 
WWUS76 KPDT 032158
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
258 PM PDT TUE APR 3 2012

...DECREASING WINDS ACROSS THE GRANDE RONDE VALLEY THIS
AFTERNOON...

ORZ049-032300-
/O.EXP.KPDT.WI.Y.0021.000000T0000Z-120403T2200Z/
GRANDE RONDE VALLEY-
INCLUDING THE CITIES OF...COVE...ELGIN...LA GRANDE
258 PM PDT TUE APR 3 2012

...WIND ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON...

THE WIND ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON. 

GUSTY SOUTH WINDS WILL CONTINUE THROUGH THE REST OF THE
AFTERNOON...BUT WILL DECREASE AFTER A COLD FRONT MOVES THROUGH.
THE FRONT SHOULD BE THROUGH THE AREA BY EVENING AND WILL SHIFT
THE WIND TO THE NORTHWEST AND THEN SPEEDS WILL DECREASE.


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 8:59 AM PDTAreal Flood AdvisoryPDTDeschutes4 days

Nearby

Wind 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.