Alert archive / Washington / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 2, NWS Spokane, WA

May 19, 20025 counties in Washington

NWS Spokane, WA issued this severe thunderstorm warning at May 19, 2002, 11:01 PM PDT for 5 counties in Washington. It was in force for 39 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
May 19, 2002, 11:01 PM PDT (06:01 UTC)
Expired
May 19, 2002, 11:40 PM PDT
In force
39 min
Issued by
NWS Spokane, WA
Area
Counties, with a storm outline in the text

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

The nearest sounding before it

Spokane, WA (KOTX), launched 00:00Z, 6.0 hours before the alert went out and 206 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 2002-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 136 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 00:00Z on 2002-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
136 J/kg
Mixed-layer CIN
-213 J/kg
Mixed-layer LCL
1610 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
275 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS56 KOTX 200601
SVRGEG
WAC017-019-025-043-047-200645-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPOKANE WA
1055 PM PDT SUN MAY 19 2002

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN GRANT COUNTY IN CENTRAL WASHINGTON
  NORTHWESTERN LINCOLN COUNTY IN EAST CENTRAL WASHINGTON
  NORTHEASTERN DOUGLAS COUNTY IN NORTH CENTRAL WASHINGTON
  SOUTHEASTERN OKANOGAN COUNTY IN NORTH CENTRAL WASHINGTON   
  SOUTHWESTERN FERRY COUNTY IN NORTHEAST WASHINGTON

* UNTIL 1140 PM PDT

* AT 1052 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR WILBUR AND GRAND COULEE..MOVING NORTHWEST
  AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NORTHEASTERN DOUGLAS COUNTY AT 1110 PM PDT
  SOUTHEASTERN OKANOGAN COUNTY AT 1110 PM PDT

THE MAIN THREAT FROM THIS STORM WILL BE VERY STRONG WINDS...GUSTING 
OVER 60 MPH. LARGE HAIL IS ALSO POSSIBLE WITH THIS SEVERE 
THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN 
A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN SPOKANE.

LAT...LON 4770 11916 4785 11855 4809 11869 4873 11915
          4859 11964 4791 11937

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 10:24 PM PDTSevere Thunderstorm WarningOTXLincoln36 min

Nearby

Severe Thunderstorm Warnings in Washington, 2002Every severe thunderstorm warning in 2002

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.