Alert archive / Washington / Wind Advisories in 2015

Wind Advisory 2, NWS Spokane, WA

January 17, 2015Asotin County, Garfield County, Washington

NWS Spokane, WA issued this wind advisory at Jan 17, 2015, 8:24 PM PST for Asotin County, Garfield County, Washington. It took effect at Jan 18, 2015, 1:00 AM PST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Jan 17, 2015, 8:24 PM PST (04:24 UTC)
In effect from
Jan 18, 2015, 1:00 AM PST
Expired
Jan 18, 2015, 2:02 PM PST
In force
13 hr
Issued by
NWS Spokane, WA

Counties Asotin County, WA, Garfield County, WA

The radar

The Pendleton radar (KPDT), 134 km from the middle of the area, began a volume at 04:24 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

Spokane, WA (KOTX), launched 00:00Z, 4.4 hours before the alert went out and 171 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, Spokane, WA at 00:00Z on 2015-01-18Temperature 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, Spokane, WA at 00:00Z on 2015-01-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 229 square meters per square second.1939587897117Sfc1 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
452 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
229 m²/s²
0-3 km storm-relative helicity
331 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.

235 
WWUS76 KOTX 180424
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
824 PM PST SAT JAN 17 2015

...WINDY FOR THE FOOTHILLS OF THE BLUE MOUNTAINS LATE TONIGHT
THROUGH SUNDAY AFTERNOON...

.STRONG WINDS ALOFT MAY MIX DOWN TO THE SURFACE LATE TONIGHT AS A
FRONTAL SYSTEM TRACKS THROUGH. THEN BEHIND THE FRONT WINDY
CONDITIONS WILL CONTINUE INTO SUNDAY AFTERNOON. THE STRONGEST
WINDS WILL MAINLY IMPACT NORTHERN GARFIELD COUNTY INCLUDING
POMEROY AND ALPOWA SUMMIT.

WAZ032-181230-
/O.NEW.KOTX.WI.Y.0002.150118T0900Z-150118T2300Z/
LOWER GARFIELD AND ASOTIN COUNTIES-
824 PM PST SAT JAN 17 2015

...WIND ADVISORY IN EFFECT FROM 1 AM TO 3 PM PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 3 PM PST SUNDAY.

* WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS AROUND 50 MPH FOR THE
  ALPOWA SUMMIT AND POMEROY AREAS. 

* TIMING...WINDS WILL RAPIDLY INCREASE LATE TONIGHT AS A FRONTAL
  SYSTEM TRACKS THROUGH. WINDY CONDITIONS WILL CONTINUE BEHIND
  THE FRONT ON SUNDAY.

* IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING
  DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES ON HIGHWAY 12.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
3 follow-up statements
790 
WWUS76 KOTX 181323
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
523 AM PST SUN JAN 18 2015

...WINDY TODAY AROUND POMEROY AND ALPOWA SUMMIT...

.GUSTY SOUTHWEST WINDS ARE EXPECTED ALONG THE FOOTHILLS OF THE
BLUE MOUNTAINS IN GARFIELD AND ASOTIN COUNTIES. SPOTS AROUND
POMEROY AND ALPOWA SUMMIT WILL LIKELY EXPERIENCE SOUTHWEST WINDS
OF 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

WAZ032-182300-
/O.CON.KOTX.WI.Y.0002.000000T0000Z-150118T2300Z/
LOWER GARFIELD AND ASOTIN COUNTIES-
523 AM PST SUN JAN 18 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...GUSTY WINDS ARE EXPECTED THIS MORNING AND THIS
  AFTERNOON WITH SOME OF THE STRONGEST GUSTS DURING THE LATE
  MORNING AND EARLY AFTERNOON HOURS.

* IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES ON HIGHWAY 12.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
739 
WWUS76 KOTX 181853
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1053 AM PST SUN JAN 18 2015

...WINDY TODAY AROUND POMEROY AND ALPOWA SUMMIT...

.GUSTY SOUTHWEST WINDS ARE EXPECTED ALONG THE FOOTHILLS OF THE
BLUE MOUNTAINS IN GARFIELD AND ASOTIN COUNTIES. SPOTS AROUND
POMEROY AND ALPOWA SUMMIT WILL LIKELY EXPERIENCE SOUTHWEST WINDS
OF 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

WAZ032-182300-
/O.CON.KOTX.WI.Y.0002.000000T0000Z-150118T2300Z/
LOWER GARFIELD AND ASOTIN COUNTIES-
1053 AM PST SUN JAN 18 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...GUSTY WINDS ARE EXPECTED THIS MORNING AND THIS 
  AFTERNOON WITH SOME OF THE STRONGEST GUSTS DURING THE LATE 
  MORNING AND EARLY AFTERNOON HOURS.

* IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES ON HIGHWAY 12.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
959 
WWUS76 KOTX 182202
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
202 PM PST SUN JAN 18 2015


WAZ032-182315-
/O.CAN.KOTX.WI.Y.0002.000000T0000Z-150118T2300Z/
LOWER GARFIELD AND ASOTIN COUNTIES-
202 PM PST SUN JAN 18 2015

...WIND ADVISORY IS CANCELLED...

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

THE THREAT FOR WIDESPREAD WINDY CONDITIONS HAS ENDED. WINDS WILL
CONTINUE TO TAPER OFF THROUGH THE REMAINDER OF THE AFTERNOON AND
THROUGH THE EVENING. 

$$

Nearby

Wind Advisories in Washington, 2015Every wind advisory in 2015

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.