Alert archive / Idaho / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 1, NWS Spokane, WA

April 27, 1995Idaho County, Idaho

NWS Spokane, WA issued this severe thunderstorm warning at Apr 27, 1995, 3:25 PM PDT for Idaho County, Idaho. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Apr 27, 1995, 3:25 PM PDT (22:25 UTC)
Expired
Apr 27, 1995, 5:30 PM PDT
In force
2 hr
Issued by
NWS Spokane, WA
Area
Whole counties

County Idaho County, ID

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 10.4 hours before the alert went out and 218 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 1995-04-27Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 1995-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 square meters per square second.1939Sfc1 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
2518 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
181 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 KLWS 272225
SVRLWS
IDC049-280030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LEWISTON ID
325 PM PDT THU APR 27 1995
 
THE NATIONAL WEATHER SERVICE IN LEWISTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM PDT
FOR PEOPLE IN THE FOLLOWING LOCATION...                     ...
 
IN NORTH IDAHO
 
   ...CENTRAL IDAHO COUNTY
 
AT 315 PM PDT MISSOULA RADAR INDICATED STRONG THUNDERSTORMS ACTIVITY
ABOUT 25 MILES SOUTH EAST OF GRANGEVILLE IDAHO IN IDAHO COUNTY. THESE
THUNDERSTORMS WERE MOVING TO THE NORTH EAST AT ABOUT 15 MPH.
 
THUNDERSTORM ACTIVITY CAN BE EXPECTED TO CONTINUE FOR THE NEXT SEVERAL
HOURS. THESE THUNDERSTORMS ARE CAPABLE OF CAUSING STRONG GUSTY WINDS...
HEAVY RAIN...AND HAIL.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

Nearby

Severe Thunderstorm Warnings in Idaho, 1995Every severe thunderstorm warning in 1995

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.