Alert archive / Washington / Wind Advisories in 2020

Wind Advisory 8, NWS Spokane, WA

April 10, 20205 counties in Washington

NWS Spokane, WA issued this wind advisory at Apr 10, 2020, 8:13 AM PDT for 5 counties in Washington. It took effect at Apr 11, 2020, 8:00 AM PDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Apr 10, 2020, 8:13 AM PDT (15:13 UTC)
In effect from
Apr 11, 2020, 8:00 AM PDT
Expired
Apr 11, 2020, 7:00 PM PDT
In force
11 hr
Issued by
NWS Spokane, WA

Counties Adams County, WA, Douglas County, WA, Grant County, WA, Lincoln County, WA, Okanogan County, WA

The radar

The Spokane radar (KOTX), 116 km from the middle of the area, began a volume at 15:17 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, 3.2 hours before the alert went out and 208 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 2020-04-10Temperature 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 2020-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
2538 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

654 
WWUS76 KOTX 101513
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
813 AM PDT Fri Apr 10 2020

WAZ034-035-044-110200-
/O.NEW.KOTX.WI.Y.0008.200411T1500Z-200412T0200Z/
Moses Lake Area-Upper Columbia Basin-Waterville Plateau-
Including the cities of Moses Lake, Ephrata, Othello, Quincy, 
Ritzville, Grand Coulee, Odessa, Wilbur, Coulee City, Waterville,
and Mansfield
813 AM PDT Fri Apr 10 2020

...WIND ADVISORY IN EFFECT FROM 8 AM TO 7 PM PDT SATURDAY...

* WHAT...North winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Moses Lake Area, Upper Columbia Basin and Waterville 
  Plateau.

* WHEN...From 8 AM to 7 PM PDT Saturday.

* IMPACTS...Areas of blowing dust will produce localized
  visibility reductions. Dust may reduce visibility to a mile or
  less in the vicinity of recently worked fields around Moses Lake
  and Othello. Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Cross winds gusting as high as 50 mph on
  the Waterville Plateau may produce treacherous driving for roads
  that run east to west. High profile vehicles on Highway 2 
  between Coulee City and Waterville may experience some 
  difficulty on Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WAZ043-110200-
/O.NEW.KOTX.WI.Y.0008.200411T1500Z-200412T0200Z/
Okanogan Valley-
Including the cities of Omak, Okanogan, Brewster, Bridgeport, 
Oroville, and Nespelem
813 AM PDT Fri Apr 10 2020

...WIND ADVISORY IN EFFECT FROM 8 AM TO 7 PM PDT SATURDAY...

* WHAT...North winds 25 to 35 mph with gusts up to 55 mph 
  expected.

* WHERE...Okanogan Valley.

* WHEN...From 8 AM to 7 PM PDT Saturday.

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

* ADDITIONAL DETAILS...Patchy blowing dust will have the 
  potential to produce visibility reductions especially in the 
  vicinity of recently worked fields.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
469 
WWUS76 KOTX 102208
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
308 PM PDT Fri Apr 10 2020

WAZ034-035-044-111300-
/O.CON.KOTX.WI.Y.0008.200411T1500Z-200412T0200Z/
Moses Lake Area-Upper Columbia Basin-Waterville Plateau-
Including the cities of Moses Lake, Ephrata, Othello, Quincy, 
Ritzville, Grand Coulee, Odessa, Wilbur, Coulee City, Waterville,
and Mansfield
308 PM PDT Fri Apr 10 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 7 PM PDT
SATURDAY...

* WHAT...North winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Moses Lake Area, Upper Columbia Basin and Waterville 
  Plateau.

* WHEN...From 8 AM to 7 PM PDT Saturday.

* IMPACTS...Areas of blowing dust will produce localized 
  visibility reductions. Dust may reduce visibility to a mile or 
  less in the vicinity of recently worked fields around Moses 
  Lake and Othello. Gusty winds could blow around unsecured 
  objects. Tree limbs could be blown down and a few power 
  outages may result.

* ADDITIONAL DETAILS...Cross winds gusting as high as 50 mph on 
  the Waterville Plateau may produce treacherous driving for 
  roads that run east to west. High profile vehicles on Highway 
  2 between Coulee City and Waterville may experience some 
  difficulty on Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WAZ043-111300-
/O.CON.KOTX.WI.Y.0008.200411T1500Z-200412T0200Z/
Okanogan Valley-
Including the cities of Omak, Okanogan, Brewster, Bridgeport, 
Oroville, and Nespelem
308 PM PDT Fri Apr 10 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 7 PM PDT
SATURDAY...

* WHAT...North winds 25 to 35 mph with gusts up to 55 mph 
  expected.

* WHERE...Okanogan Valley.

* WHEN...From 8 AM to 7 PM PDT Saturday.

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

* ADDITIONAL DETAILS...Patchy blowing dust will have the 
  potential to produce visibility reductions especially in the 
  vicinity of recently worked fields.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
599 
WWUS76 KOTX 111156
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
456 AM PDT Sat Apr 11 2020

WAZ034-035-044-120200-
/O.CON.KOTX.WI.Y.0008.200411T1500Z-200412T0200Z/
Moses Lake Area-Upper Columbia Basin-Waterville Plateau-
Including the cities of Moses Lake, Ephrata, Othello, Quincy, 
Ritzville, Grand Coulee, Odessa, Wilbur, Coulee City, Waterville,
and Mansfield
456 AM PDT Sat Apr 11 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 7 PM
PDT THIS EVENING...

* WHAT...North winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Moses Lake Area, Upper Columbia Basin and Waterville 
  Plateau.

* WHEN...From 8 AM to 7 PM PDT Saturday.

* IMPACTS...Areas of blowing dust will produce localized 
  visibility reductions. Dust may reduce visibility to a mile or 
  less in the vicinity of recently worked fields around Moses 
  Lake and Othello. Gusty winds could blow around unsecured 
  objects. Tree limbs could be blown down and a few power 
  outages may result.

* ADDITIONAL DETAILS...Cross winds gusting as high as 50 mph on 
  the Waterville Plateau may produce treacherous driving for 
  roads that run east to west. High profile vehicles on Highway 
  2 between Coulee City and Waterville may experience some 
  difficulty on Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WAZ043-120200-
/O.CON.KOTX.WI.Y.0008.200411T1500Z-200412T0200Z/
Okanogan Valley-
Including the cities of Omak, Okanogan, Brewster, Bridgeport, 
Oroville, and Nespelem
456 AM PDT Sat Apr 11 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 7 PM
PDT THIS EVENING...

* WHAT...North winds 25 to 35 mph with gusts up to 55 mph 
  expected.

* WHERE...Okanogan Valley.

* WHEN...From 8 AM to 7 PM PDT Saturday.

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

* ADDITIONAL DETAILS...Patchy blowing dust will have the potential
  to produce visibility reductions especially in the vicinity of
  recently worked fields. New fire starts could spread rapidly in
  dry grasses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
343 
WWUS76 KOTX 120154
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
654 PM PDT Sat Apr 11 2020

WAZ034-035-044-120300-
/O.EXP.KOTX.WI.Y.0008.000000T0000Z-200412T0200Z/
Moses Lake Area-Upper Columbia Basin-Waterville Plateau-
Including the cities of Moses Lake, Ephrata, Othello, Quincy, 
Ritzville, Grand Coulee, Odessa, Wilbur, Coulee City, Waterville,
and Mansfield
654 PM PDT Sat Apr 11 2020

...WIND ADVISORY WILL EXPIRE AT 7 PM PDT THIS EVENING...

North to northeast winds near 25 mph with gusts near 35 mph will
decrease this evening and on through the night. As these winds 
are below advisory criteria the wind advisory will be allowed to 
expire. 

$$

WAZ043-120300-
/O.EXP.KOTX.WI.Y.0008.000000T0000Z-200412T0200Z/
Okanogan Valley-
Including the cities of Omak, Okanogan, Brewster, Bridgeport, 
Oroville, and Nespelem
654 PM PDT Sat Apr 11 2020

...WIND ADVISORY WILL EXPIRE AT 7 PM PDT THIS EVENING...

North to northeast winds near 20 mph with gusts near 30 mph will 
decrease this evening and on through the night. As these winds 
are below advisory criteria the wind advisory will be allowed to 
expire.

$$

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.