Alert archive / Minnesota / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 49, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 20, 1992, 5:27 PM CDT for Lake of the Woods County, Minnesota. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Aug 20, 1992, 5:27 PM CDT (22:27 UTC)
- Expired
- Aug 20, 1992, 6:30 PM CDT
- In force
- 63 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Lake of the Woods County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 10.5 hours before the alert went out and 447 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
- NaN m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 145 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 KINL 202227 SVRINL MNC077-202330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INTERNATIONAL FALLS MN 527 PM CDT THU AUG 20 1992 THE NATIONAL WEATHER SERVICE IN INTERNATIONAL FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM CDT FOR PERSONS IN THE FOLLOWING LOCATION... IN NORTH CENTRAL MINNESOTA ...CENTRAL LAKE OF THE WOODS COUNTY AT 520 PM A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 15 MILES SOUTH OF WARROAD OR 75 MILES NORTHNORTHWEST OF BEMIDJI. THIS STORM IS MOVING EAST AT 25 MPH. AS THIS STORM PASSED THROUGH WANNASKA IT HAD PRODUCED PEA SIZE HAIL. THE STORM HAS DEVELOPED MUCH STRONGER SINCE THAT REPORT. THIS STORM WILL APPROACH NEAR THE TOWNS OF PITT AND THEN BAUDETTE BY 6 TO 630 PM THIS EVENING. 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. NNNN
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, Aug 20, 4:13 PM CDT, 1 hour 14 minutes before
NDZ012-017-018--202200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FARGO ND 410 PM CDT THU AUG 20 1992 ...STRONG THUNDERSTORMS DEVELOP OVER WESTERN BARNES COUNTY... AT 405 PM...STRONG THUNDERSTORMS HAD RAPIDLY DEVELOPED OVER WESTERN BARNES COUNTY...15 MILES WEST OF VALLEY CITY. VERY HEAVY RAINS...GUSTY WINDS...DANGEROUS LIGHTNING...AND HAIL ARE POSSIBLE WITH THESE STORMS. MOVEMENT WAS TO THE EAST-SOUTHEAST AT 25 MILES AN HOUR. PERSONS IN BARNES COUNTY...AND ESPECIALLY THE COMMUNITY OF VALLEY CITY SHOULD BE PREPARED TO TAKE COVER AS THESE STORMS APPROACH. WELVAERT
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 4:46 PM CDT | Severe Thunderstorm Warning | FGF | Pennington | 59 min |
| Aug 20, 5:24 PM CDT | Tornado Warning | FGF | Polk | 66 min |
| Aug 20, 6:00 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater | 60 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 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.