Alert archive / Idaho / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 1, NWS Spokane, WA

May 23, 1990Benewah County, Kootenai County, Shoshone County, Idaho

NWS Spokane, WA issued this severe thunderstorm warning at May 23, 1990, 3:16 PM PDT for Benewah County, Kootenai County, Shoshone County, Idaho. It was in force for 59 min.

The area

The counties it named.

The facts

Issued: May 23, 1990, 3:16 PM PDT (22:16 UTC)
Expired: May 23, 1990, 4:15 PM PDT
In force: 59 min
Issued by: NWS Spokane, WA
Area: Whole counties

Counties Benewah County, ID, Kootenai County, ID, Shoshone County, ID

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 10.3 hours before the alert went out and 32 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3585 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 70 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGEG 232216
SVRGEG
IDC009-055-079-232315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPOKANE WA
316 PM PDT WED MAY 23 1990
 
THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 PM PDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTH IDAHO
          ...BENEWAH...KOOTENAI...SHOSHONE
 
THE LATEST SATELLITE AND RADAR INFORMATION SHOW AN AREA OF DEVELOPING
THUNDERSTORMS MOVING THROUGH THE IDAHO PANHANDLE.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
SNTAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 23, 2:04 PM PDT, 1 hour 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPOKANE, WA
157 PM PDT WED MAY 23 1990
WAZ06-IDZ09-240000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPOKANE, WA
200 PM PDT WED MAY 23 1990

    SATELLITE INFORMATION AND THE LATEST RADAR OBSERVATIONS SHOW AN AREA
OF THUNDERSTORMS MOVING INTO THE IDAHO PANHANDLE.  KOOTENAI...SHOSHONE
AND BENEWAH COUNTIES IN THE IDAHO PANHANDLE CAN EXPECT HEAVY RAIN AND
STRONG GUSTY WINDS IN THE VICINITY OF THE THUNDERSTORMS...UNTIL 500 PM.

    FURTHER STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT OR
INFORMATION BECOMES AVAILABLE.

END/SAVOY

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 4:07 PM PDT	Severe Thunderstorm Warning	OTX	Bonner, Boundary	68 min
May 23, 4:07 PM PDT	Severe Thunderstorm Warning	OTX	Kootenai, Shoshone	68 min

Nearby

Severe Thunderstorm Warnings in Idaho, 1990 Every severe thunderstorm warning in 1990

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.