Alert archive / Idaho / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 28, NWS Spokane, WA

July 28, 1995Clearwater County, Idaho County, Lewis County, Idaho

NWS Spokane, WA issued this severe thunderstorm warning at Jul 28, 1995, 6:47 PM PDT for Clearwater County, Idaho County, Lewis County, Idaho. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jul 28, 1995, 6:47 PM PDT (01:47 UTC)
Expired
Jul 28, 1995, 7:45 PM PDT
In force
58 min
Issued by
NWS Spokane, WA
Area
Whole counties

Counties Clearwater County, ID, Idaho County, ID, Lewis County, ID

The nearest sounding before it

Spokane, WA (KOTX), launched 00:00Z, 1.8 hours before the alert went out and 166 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 1995-07-29Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 00:00Z on 1995-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939587897117Sfc1 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
3702 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
149 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 
WUUS1 KLWS 290150 RRA
SVRLWS
IDC035-061-049-290245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LEWISTON ID
ISSUED BY BOISE ID
647 PM PDT FRI JUL 28 1995
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM PDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL IDAHO
 
   ...SOUTHERN CLEARWATER COUNTY...EASTERN LEWIS COUNTY
   ...NORTHWESTERN IDAHO COUNTY
 
AT 638 PM PDT A SPOTTER AT KAMIAH...LOCATED ABOUT 25 MILES SOUTHEAST OF
LEWISTON...REPORTED QUARTER-SIZED DIAMETER HAIL.
 
THE STORM WAS MOVING TOWARD THE NORTHEAST TOWARD SOUTHERN CLEARWATER
COUNTY ABOUT 30 MPH...AND WILL BE IN CLEARWATER COUNTY AROUND 700 PM
PDT.
 
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.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 7:49 PM PDTSevere Thunderstorm WarningOTXClearwater, Idaho41 min

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.