Alert archive / Washington / Dust Storm Warnings in 2021

Dust Storm Warning 3, NWS Spokane, WA

March 28, 2021Adams County, Lincoln County, Washington

NWS Spokane, WA issued this dust storm warning at Mar 28, 2021, 5:08 PM PDT for Adams County, Lincoln County, Washington. It was in force for 97 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 28, 2021, 5:08 PM PDT (00:08 UTC)
Expired
Mar 28, 2021, 6:45 PM PDT
In force
97 min
Issued by
NWS Spokane, WA
Area
Storm-based polygon

Counties Adams County, WA, Lincoln County, WA

The radar

The Spokane radar (KOTX), 100 km from the middle of the area, began a volume at 00:12 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, 0.1 hours before the alert went out and 183 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 2021-03-29Temperature 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 2021-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
3309 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

139 
WWUS56 KOTX 290014
DSWOTX

BULLETIN - EAS ACTIVATION REQUESTED
Dust Storm Warning
National Weather Service Spokane WA
508 PM PDT Sun Mar 28 2021

WAC001-043-290145-
/O.NEW.KOTX.DS.W.0003.210329T0008Z-210329T0145Z/
Adams WA-Lincoln WA-
508 PM PDT Sun Mar 28 2021

The National Weather Service in Spokane has issued a

* Dust Storm Warning for...
  North central Adams County in eastern Washington...
  Southwestern Lincoln County in eastern Washington...

* Until 645 PM PDT.

* At 510 PM PDT, the D O T has closed I 90 from mile post 182 to 
  mile post 221. That is just east of Moses Lake to Ritzvile. Near 
  zero visibility has been reported at the Schrag interchange in 
  Adams county. We are also concerned about visibilities at Highway 
  395 just south of Ritzville and along State Route 21 from Odessa 
  to just north of Lind.

  HAZARD...Near zero visibility with hazardous wind gusts of 40 to 
           50 mph.

  SOURCE...Law enforcement and Department of Transportation.

  IMPACT...Dangerous life-threatening travel.

Locations impacted include...
Ritzville, Odessa, Marcellus, Batum, Irby, Moody, Schrag, Packard,
Schoonover, Jantz and Paha.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dust storms lead to dangerous driving conditions with visibility
reduced to near zero. If driving, avoid dust storms if possible. If
caught in one, pull off the road, turn off your lights and keep your
foot off the brake.

Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!

There is no safe place on a highway when a dust storm hits.
Visibility can be lost immediately, making it difficult or impossible
to slow down and avoid stopped vehicles. Delay travel, or safely exit
the highway before the dust storm arrives.

&&

LAT...LON 4701 11898 4738 11897 4738 11850 4712 11833
      4702 11844
TIME...MOT...LOC 0008Z 238DEG 48KT 4844 11546 

$$

LN
1 follow-up statement
132 
WWUS56 KOTX 290149
DSWOTX

Dust Storm Warning
National Weather Service Spokane WA
647 PM PDT Sun Mar 28 2021

WAC001-043-290157-
/O.EXP.KOTX.DS.W.0003.000000T0000Z-210329T0145Z/
Adams WA-Lincoln WA-
647 PM PDT Sun Mar 28 2021

...THE DUST STORM WARNING FOR NORTH CENTRAL ADAMS AND SOUTHWESTERN
LINCOLN COUNTIES HAS EXPIRED...

The dust storm which prompted the warning has weakened. Therefore, 
the dust storm warning has been allowed to expire. Blowing dust will 
still continue in places but visibilities will generally be greater 
than a quarter mile. 

LAT...LON 4701 11898 4738 11897 4738 11850 4712 11833
      4702 11844
TIME...MOT...LOC 0147Z 238DEG 48KT 4911 11379 

$$

FX

Nearby

Dust Storm Warnings in Washington, 2021Every dust storm warning in 2021

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.