Alert archive / Washington / Wind Advisories in 2020

Wind Advisory 2, NWS Spokane, WA

January 12, 2020Douglas County, Okanogan County, Washington

NWS Spokane, WA issued this wind advisory at Jan 12, 2020, 4:51 PM PST for Douglas County, Okanogan County, Washington. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Jan 12, 2020, 4:51 PM PST (00:51 UTC)
Expired
Jan 13, 2020, 12:00 PM PST
In force
19 hr
Issued by
NWS Spokane, WA

Counties Douglas County, WA, Okanogan County, WA

The radar

The Spokane radar (KOTX), 164 km from the middle of the area, began a volume at 00:52 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, 0.9 hours before the alert went out and 252 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 2020-01-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 2020-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
532 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

828 
WWUS76 KOTX 130051
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
451 PM PST Sun Jan 12 2020

WAZ043-130900-
/O.NEW.KOTX.WI.Y.0002.200113T0051Z-200113T2000Z/
Okanogan Valley-
Including the cities of Omak, Okanogan, Brewster, Bridgeport, 
Oroville, and Nespelem
451 PM PST Sun Jan 12 2020

...WIND ADVISORY IN EFFECT UNTIL NOON PST MONDAY...

* WHAT...North winds 20 to 30 mph with gusts up to 50 mph. Wind
  chill readings dropping to -10F to 0F overnight and Monday
  morning.

* WHERE...Okanogan Valley.

* WHEN...Until noon PST Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Very windy conditions will develop between
  6 PM and 8 PM this evening. Windy conditions will persist into
  Monday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
2 follow-up statements
384 
WWUS76 KOTX 130644
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1044 PM PST Sun Jan 12 2020

WAZ043-132000-
/O.CON.KOTX.WI.Y.0002.000000T0000Z-200113T2000Z/
Okanogan Valley-
Including the cities of Omak, Okanogan, Brewster, Bridgeport, 
Oroville, and Nespelem
1044 PM PST Sun Jan 12 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST MONDAY...

* WHAT...North winds 20 to 30 mph with gusts to around 50 mph.
  Wind chill readings dropping to near -10F overnight.

* WHERE...Okanogan Valley.

* WHEN...Until noon PST Monday.

* IMPACTS...Cold wind chills may lead to hypothermia or frost bite
  if precautions are not taken as well as potential danger to 
  sensitive livestock and pets. Gusty winds could blow around 
  unsecured objects. Tree limbs could be blown down and a few 
  power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
312 
WWUS76 KOTX 131959
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1159 AM PST Mon Jan 13 2020

WAZ043-132100-
/O.EXP.KOTX.WI.Y.0002.000000T0000Z-200113T2000Z/
Okanogan Valley-
Including the cities of Omak, Okanogan, Brewster, Bridgeport, 
Oroville, and Nespelem
1159 AM PST Mon Jan 13 2020

...WIND ADVISORY WILL EXPIRE AT NOON PST TODAY...

Winds will remain breezy, but speeds are dropping below advisory
thresholds. Cold wind chills are still expected and thus it is 
still recommended that individuals take precaution against 
hypothermia or frostbite, as well as protect sensitive livestock 
and pets.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 13, 5:10 AM PSTWinter Weather AdvisoryOTXAsotin, Garfield, Lincoln, Spokane, Whitman3 days
Jan 13, 2:41 PM PSTWind Chill AdvisoryOTXDouglas, Grant, Okanogan21 hr

Nearby

Wind Advisories in Washington, 2020Every wind advisory in 2020

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.