Alert archive / Washington / Wind Advisories in 2017

Wind Advisory 4, NWS Spokane, WA

May 23, 20174 counties in Washington

NWS Spokane, WA issued this wind advisory at May 23, 2017, 3:05 PM PDT for 4 counties in Washington. It took effect at May 23, 2017, 9:00 PM PDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
May 23, 2017, 3:05 PM PDT (22:05 UTC)
In effect from
May 23, 2017, 9:00 PM PDT
Expired
May 24, 2017, 3:00 AM PDT
In force
6 hr
Issued by
NWS Spokane, WA

Counties Adams County, WA, Chelan County, WA, Douglas County, WA, Grant County, WA

The radar

The Spokane radar (KOTX), 149 km from the middle of the area, began a volume at 22:08 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 12:00Z, 10.1 hours before the alert went out and 240 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 12:00Z on 2017-05-23Temperature 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 12:00Z on 2017-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
2373 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

549 
WWUS76 KOTX 232205
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
305 PM PDT Tue May 23 2017

...WINDY AROUND WENATCHEE...CHELAN...WATERVILLE...AND VANTAGE
TONIGHT...

.West winds of 20 to 30 mph gusting to 45 mph or more are 
expected tonight. A strong cold front will cross the Cascades this
evening bringing much cooler temperatures and gusty west winds. 
The strongest winds will likely occur between 9 PM and 3 AM in 
places like Wenatchee, Chelan, Waterville, and Vantage.

WAZ034-041-044-240800-
/O.NEW.KOTX.WI.Y.0004.170524T0400Z-170524T1000Z/
Moses Lake Area-Wenatchee Area-Waterville Plateau-
305 PM PDT Tue May 23 2017

...WIND ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 3 AM PDT
WEDNESDAY...

The National Weather Service in Spokane has issued a Wind
Advisory...which is in effect from 9 PM this evening to 3 AM PDT
Wednesday.

* Winds...west 20 to 30 mph with gusts of 45 mph or more.

* Timing...West winds will develop late this afternoon and sharply
  increase during the mid to late evening hours. Winds will likely
  peak between 9 PM and 3 AM.

* Impacts...Loose objects like lawn furniture and trash cans
  should be secured before the winds arrive this evening.
  Motorists with plans to travel on I-90 tonight should be
  prepared for strong west winds between Moses Lake, Vantage, and
  Ellensburg. Parts of Highway 2 over the Waterville Plateau will
  also be quite windy tonight.

* Locations...Quincy, Wenatchee, Chelan, Entiat, Cashmere, 
  Waterville, and Mansfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph with gusts
over 45 mph are expected. Winds this strong can make driving 
difficult...especially for high profile vehicles. Use extra 
caution.

&&

$$
2 follow-up statements
020 
WWUS76 KOTX 240225
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
725 PM PDT Tue May 23 2017

...WINDY AROUND WENATCHEE...CHELAN...ENTIAT...WATERVILLE...AND 
VANTAGE TONIGHT...

.West winds of 20 to 30 mph gusting to 50 mph or more are 
expected tonight. A strong cold front will cross the Cascades
around 8pm and bring much cooler temperatures and gusty west 
winds. The strongest winds will likely occur between 9 PM and 3 AM
in places like Wenatchee, Chelan, Entiat, Waterville, and 
Vantage.

WAZ034-041-044-241000-
/O.CON.KOTX.WI.Y.0004.170524T0400Z-170524T1000Z/
Moses Lake Area-Wenatchee Area-Waterville Plateau-
725 PM PDT Tue May 23 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY...

* Winds...west 20 to 30 mph with gusts of 50 mph or more.

* Timing...West winds have developed and will sharply increase 
  during the mid to late evening hours. Winds will likely peak 
  between 9 PM and 3 AM.

* Impacts...Loose objects like lawn furniture and trash cans
  should be secured. Motorists with plans to travel on I-90
  tonight should be prepared for strong west winds between Moses
  Lake and Snoqualmie Pass. Parts of Highway 2 over the 
  Waterville Plateau will also be quite windy tonight.

* Locations...Wenatchee, Chelan, Entiat, Cashmere, Waterville, 
  Mansfield, and Quincy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph with gusts
over 45 mph are expected. Winds this strong can make driving
difficult...especially for high profile vehicles. Use extra
caution.

&&

$$
729 
WWUS76 KOTX 240958
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
258 AM PDT Wed May 24 2017


WAZ034-041-044-241100-
/O.EXP.KOTX.WI.Y.0004.000000T0000Z-170524T1000Z/
Moses Lake Area-Wenatchee Area-Waterville Plateau-
258 AM PDT Wed May 24 2017

...WIND ADVISORY WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING...

Wind speeds are starting to decrease below advisory thresholds 
and speeds are expected to continue to decline slightly into early
morning. An additional increase in speeds is expected later this 
morning and afternoon...but at this current time speeds are 
expected to remain just under advisory level. Thus the wind 
advisory is being allowed to expire.

$$

The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 6:51 PM PDTAreal Flood WarningOTXOkanogan36 hr
May 23, 9:41 AM PDTRiver Flood WatchOTXOkanogan52 hr
May 23, 2:18 PM PDTRiver Flood WarningOTXOkanogan52 hr

Nearby

Wind Advisories in Washington, 2017Every wind advisory in 2017

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.