Alert archive / Idaho / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 6, NWS Spokane, WA
NWS Spokane, WA issued this severe thunderstorm warning at Jul 19, 1992, 6:05 PM PDT for Clearwater County, Idaho County, Idaho. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Jul 19, 1992, 6:05 PM PDT (01:05 UTC)
- Expired
- Jul 19, 1992, 7:00 PM PDT
- In force
- 55 min
- Issued by
- NWS Spokane, WA
- Area
- Whole counties
Counties Clearwater County, ID, Idaho County, ID
The nearest sounding before it
Spokane, WA (KOTX), launched 00:00Z, 1.1 hours before the alert went out and 172 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3580 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBOI 200106 SVRLWS IDC035-049-200200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LEWISTON ID ISSUED BY BOISE ID 605 PM PDT SUN JUL 19 1992 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM PDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL IDAHO ...SOUTHERN CLEARWATER COUNTY...NORTHEASTERN IDAHO COUNTY RADAR AT MISSOULA, MT REPORTED INTENSE THUNDERSTORM NORTHEAST OF GRANGEVILLE. SPOTTER AT KOOSKIA REPORTED VERY STRONG WIND AND MUCH LIGHTNING BUT LITTLE RAIN. THE STORM WAS MOVING TOWARD THE EASTNORTHEAST TOWARD LOWELL. PERSONS TRAVELING ON U.S. HIGHWAY 12 NEAR LOWELL SHOULD BE PREPARED FOR SEVERE WEATHER. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, Jul 19, 4:43 PM PDT, 1 hour 22 minutes before
IDZALL-200100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LEWISTON ID 430 PM PDT SUN JUL 10 1992 ...THUNDERSTORMS IN NORTH CENTRAL IDAHO... ISOLATED THUNDERSTORMS WERE DEVELOPING SOUTH AND EAST OF LEWISTON DURING THE PAST TWO HOURS...AND WHILE NO WEATHER SPOTTERS COULD BE REACHED FOR CONFIRMATION...RADAR CHARTS SHOW A BROAD AREA OF THESE STORMS EXTENDING FROM WEST TO EAST...BORDER TO BORDER...ACROSS NORTH CENTRAL IDAHO INTO WESTERN MONTANA. AT THE LEWISTON/NEZ PERCE COUNTY REGIONAL AIRPORT WINDS INCREASED TO 25 TO 30 MILES AN HOUR IN THE PAST FIFTEEN MINUTES...REDUCING VISIBILITY BRIEFLY TO LESS THAN 10 MILES. PERSONS NEAR ANY OF THESE THUNDERSTORMS SHOULD REMAIN WATCHFUL AND TAKE SHELTER IF WEATHER CONDITIONS WORSEN THROUGH THE EVENING HOURS. END
Special weather statement, Jul 19, 5:06 PM PDT, 59 minutes before
IDZALL-200100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LEWISTON ID 430 PM PDT SUN JUL 19 1992...CORRECTED DATE ...THUNDERSTORMS IN NORTH CENTRAL IDAHO... ISOLATED THUNDERSTORMS WERE DEVELOPING SOUTH AND EAST OF LEWISTON DURING THE PAST TWO HOURS...AND WHILE NO WEATHER SPOTTERS COULD BE REACHED FOR CONFIRMATION...RADAR CHARTS SHOW A BROAD AREA OF THESE STORMS EXTENDING FROM WEST TO EAST...BORDER TO BORDER...ACROSS NORTH CENTRAL IDAHO INTO WESTERN MONTANA. AT THE LEWISTON/NEZ PERCE COUNTY REGIONAL AIRPORT WINDS INCREASED TO 25 TO 30 MILES AN HOUR IN THE PAST FIFTEEN MINUTES...REDUCING VISIBILITY BRIEFLY TO LESS THAN 10 MILES. PERSONS NEAR ANY OF THESE THUNDERSTORMS SHOULD REMAIN WATCHFUL AND TAKE SHELTER IF WEATHER CONDITIONS WORSEN THROUGH THE EVENING HOURS. END
Nearby
Severe Thunderstorm Warnings in Idaho, 1992Every severe thunderstorm warning in 1992
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.