Alert archive / Washington / Wind Advisories in 2007

Wind Advisory 21, NWS Pendleton, OR

August 25, 2007Kittitas County, Yakima County, Washington

NWS Pendleton, OR issued this wind advisory at Aug 25, 2007, 10:38 AM PDT for Kittitas County, Yakima County, Washington. It took effect at Aug 25, 2007, 3:00 PM PDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Aug 25, 2007, 10:38 AM PDT (17:38 UTC)
In effect from
Aug 25, 2007, 3:00 PM PDT
Expired
Aug 25, 2007, 8:09 PM PDT
In force
5 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 17:41 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, 5.6 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 2007-08-25Temperature 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, Salem/Mcnary, OR at 12:00Z on 2007-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
946 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
48 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.

000 
WWUS76 KPDT 251738
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1038 AM PDT SAT AUG 25 2007

...VERY WINDY CONDITIONS WILL OCCUR THIS AFTERNOON AND EVENING IN
THE KITTITAS VALLEY...

WAZ026-260500-
/O.NEW.KPDT.WI.Y.0021.070825T2200Z-070826T0500Z/
KITTITAS VALLEY-
INCLUDING THE CITY OF...ELLENSBURG
1038 AM PDT SAT AUG 25 2007

...WIND ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 10 PM PDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 10 PM
PDT THIS EVENING. 

NORTHWEST WINDS 30 TO 40 MPH WITH GUSTS TO 50 MPH WILL OCCUR THIS
AFTERNOON AND EVENING AHEAD OF AN APPROACHING WEATHER SYSTEM.
WINDS WILL THEN DECREASE TO 20 TO 30 MPH OVERNIGHT.

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST
BETWEEN 30 AND 39 MPH OR GUSTS RANGING FROM 46 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
000 
WWUS76 KPDT 260309
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
809 PM PDT SAT AUG 25 2007

WAZ026-260415-
/O.CAN.KPDT.WI.Y.0021.000000T0000Z-070826T0500Z/
KITTITAS VALLEY-
INCLUDING THE CITY OF...ELLENSBURG
809 PM PDT SAT AUG 25 2007

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS CANCELLED THE WIND
ADVISORY. 

WINDS HAVE DECREASED BELOW 30 MPH.

$$

Nearby

Wind Advisories in Washington, 2007Every wind advisory in 2007

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.