Alert archive / Washington / Wind Advisories in 2019

Wind Advisory 2, NWS Spokane, WA

April 27, 2019Chelan County, Douglas County, Grant County, Washington

NWS Spokane, WA issued this wind advisory at Apr 27, 2019, 2:20 AM PDT for Chelan County, Douglas County, Grant County, Washington. It took effect at Apr 27, 2019, 11:00 AM PDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 27, 2019, 2:20 AM PDT (09:20 UTC)
In effect from
Apr 27, 2019, 11:00 AM PDT
Expired
Apr 27, 2019, 7:44 PM PDT
In force
9 hr
Issued by
NWS Spokane, WA

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

The radar

The Spokane radar (KOTX), 172 km from the middle of the area, began a volume at 09:22 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, 9.3 hours before the alert went out and 264 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 2019-04-27Temperature 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 2019-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939587897117136Sfc1 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
2710 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

647 
WWUS76 KOTX 270920
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
220 AM PDT Sat Apr 27 2019


WAZ041-044-280300-
/O.NEW.KOTX.WI.Y.0002.190427T1800Z-190428T0300Z/
Wenatchee Area-Waterville Plateau-
220 AM PDT Sat Apr 27 2019

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PDT
THIS EVENING...

The National Weather Service in Spokane has issued a Wind
Advisory...which is in effect from 11 AM this morning to 8 PM PDT
this evening.

* Winds...Northwest 20 to 30 mph with gusts up to 55 mph.

* Timing...Speeds increase through the later morning, peak in the
  mid-afternoon and decreasing through sunset.

* Impacts...Travel in high profile vehicles may be difficult.
  Outside objects could be damaged. Tree limbs, small trees and
  power lines may be blown down. Scattered power outages are 
  possible.

* Locations...Wenatchee, Entiat, Cashmere, and Waterville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
2 follow-up statements
951 
WWUS76 KOTX 271829
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1129 AM PDT Sat Apr 27 2019

...VERY WINDY THIS AFTERNOON AND EVENING WENATCHEE AREA AND
WATERVILLE PLATEAU...


WAZ041-044-280300-
/O.CON.KOTX.WI.Y.0002.000000T0000Z-190428T0300Z/
Wenatchee Area-Waterville Plateau-
1129 AM PDT Sat Apr 27 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* Winds...Northwest 25 to 35 mph with gusts up to 50 mph.

* Timing...Strongest winds this afternoon decreasing between 6 PM
  and 8 PM.

* Impacts...Travel in high profile vehicles may be difficult on
  Highway 2 between Wenatchee and Coulee City. Roads that run
  north-south on the Waterville Plateau like State Route 17 and
  portions of State Route 172 may become especially treacherous. 
  Tree limbs, small trees and power lines may be blown down. 
  Scattered power outages are possible.

* Locations...Wenatchee, Entiat, Cashmere, and Waterville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
835 
WWUS76 KOTX 280244
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
744 PM PDT Sat Apr 27 2019

WAZ041-044-280345-
/O.CAN.KOTX.WI.Y.0002.000000T0000Z-190428T0300Z/
Wenatchee Area-Waterville Plateau-
744 PM PDT Sat Apr 27 2019

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Spokane has cancelled the Wind
Advisory.

Northwest winds will remain breezy through the remainder of the 
evening but gusts will generally be around 30 mph or lower. 

$$

Nearby

Wind Advisories in Washington, 2019Every wind advisory in 2019

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.