Alert archive / Idaho / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 30, NWS Spokane, WA

September 7, 1995Clearwater County, Latah County, Idaho

NWS Spokane, WA issued this severe thunderstorm warning at Sep 7, 1995, 8:30 AM PDT for Clearwater County, Latah County, Idaho. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Sep 7, 1995, 8:30 AM PDT (15:30 UTC)
Expired
Sep 7, 1995, 9:30 AM PDT
In force
60 min
Issued by
NWS Spokane, WA
Area
Whole counties

Counties Clearwater County, ID, Latah County, ID

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 3.5 hours before the alert went out and 107 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 1995-09-07Temperature 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 1995-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.193958Sfc1 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
793 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
63 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 071532 RRA
SVRLWS
IDC035-057-071630-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LEWISTON ID
ISSUED BY BOISE ID
830 AM PDT THU SEP 7 1995
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 AM PDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL IDAHO
 
   ...WESTERN CLEARWATER COUNTY...EASTERN LATAH COUNTY
 
AT 830 AM PDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 10
MILES NORTH OF OROFINO IDAHO ON THE BORDER OF CLEARWATER AND LATAH
COUNTIES. THE STORM WAS MOVING TO THE NORTH AT ABOUT 20 MPH.
 
EXPECT LARGE HAIL...HEAVY RAIN AND DAMAGING WINDS WITH THIS STORM.
 
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.
 
 
.END...NWSFO BOISE/TE
&

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 9:29 AM PDTSevere Thunderstorm WarningOTXBenewah, Kootenai, Shoshone61 min
Sep 7, 1:03 PM PDTSevere Thunderstorm WarningOTXIdaho57 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.