Alert archive / Minnesota / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 40, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 9, 1992, 7:17 AM CDT for Koochiching County, Lake of the Woods County, Minnesota. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Aug 9, 1992, 7:17 AM CDT (12:17 UTC)
- Expired
- Aug 9, 1992, 7:45 AM CDT
- In force
- 28 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Koochiching County, MN, Lake of the Woods County, MN
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 0.3 hours before the alert went out and 77 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
- 2840 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KINL 091217 SVRINL MNC071-077-091245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INTERNATIONAL FALLS MN 717 AM CDT SUN AUG 9 1992 THE NATIONAL WEATHER SERVICE IN INTERNATIONAL FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 AM CDT FOR PERSONS IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL MINNESOTA ...KOOCHICHING COUNTY...LAKE OF THE WOODS COUNTY AT 710 AM CDT A ROSEAU COUNTY SPOTTER REPORTED PEA SIZE HAIL NEAR ROSEAU IN ROSEAU COUNTY. THIS THUNDERSTORM WAS LOCATED NEAR WARROAD AT 715 AM. THIS SEVERE THUNDERSTORM WAS MOVING TO THE EAST AT 35 MPH AND WILL BE NEAR THE TOWN OF WILLIAMS BY 730 AND BAUDETTE BY 745. 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 DO*N'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 9, 5:30 AM CDT, 1 hour 47 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-091130- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 525 AM CDT SUN AUG 9 1992 ...STRONG THUNDERSTORMS MOVE ACROSS EXTREME NORTHERN RED RIVER VALLEY... AT 525 AM CDT A CLUSTER OF STRONG THUNDERSTORMS CONTINUED TO MOVE ACROSS THE EXTREME NORTH END OF THE RED RIVER VALLEY OF THE NORTH. THE MAJORITY OF THE STORMS WERE INSIDE CANADA...HOWEVER THE SOUTHERN END OF THE THUNDERSTORMS WERE BRUSHING ALONG THE NORTH END OF KITTSON AND ROSEAU COUNTIES OF NORTHWEST MINNESOTA. MOVEMENT WAS EAST AT 35 MILES AN HOUR AND THIS MOVEMENT WILL TAKE THE STORMS INTO THE WARROAD AREA OF NORTHEASTERN ROSEAU COUNTY AND INTO THE LAKE OF THE WOODS AREA BY 700 AM CDT NO SEVERE WEATHER HAD BEEN REPORTED IN NORTHWEST MINNESTOA WITH THESE STORMS BUT THE POTENTIAL TO PRODUCE LARGE HAIL...VERY HEAVY RAIN... STRONG WINDS AND DEADLY LIGHTNING EXISTS. PEOPLE IN THE PATH OF THESE STORMS SHOULD BE PREPARED TO GO TO SAFE SHELTER...IF THE NEED ARISES. PLEASE STAY TUNED TO RADIO/TELEVISION OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. ANDERSEN
Special weather statement, Aug 9, 6:36 AM CDT, 41 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-091230- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 625 AM CDT SUN AUG 9 1992 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR NORTHWEST AND NORTH CENTRAL MINNESOTA UNTIL 1100 AM CDT... AT 625 AM CDT A CLUSTER OF STRONG THUNDERSTORMS CONTINUED TO MOVE ACROSS THE EXTREME NORTH END OF THE RED RIVER VALLEY OF THE NORTH. THE MAJORITY OF THE STORMS WERE INSIDE CANADA...HOWEVER THE SOUTHERN END OF THE THUNDERSTORMS WERE SAGGING SOUTHEAST ACROSS KITTSON AND ROSEAU COUNTIES OF NORTHWEST MINNESOTA. MOVEMENT WAS SOUTHEAST AT 30 MILES AN HOUR AND MOVEMENT WILL TAKE THE THUNDERSTORMS INTO LAKE OF THE WOODS COUNTY AND THE NORTHWEST CORNER OF MARSHALL COUNTY BY 730 AM CDT. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL...VERY HEAVY RAIN...STRONG WINDS AND DANGEROUS LIGHTNING STRIKES. PEOPLE IN THE PATH OF THESE STORMS SHOULD BE PREPARED TO GO TO SAFE SHELTER...IF THE NEED ARISES. PLEASE STAY TUNED TO RADIO/TELEVISION OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. ANDERSEN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 6:47 AM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods, Roseau | 28 min |
| Aug 9, 8:13 AM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods, Roseau | 62 min |
| Aug 9, 10:32 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater | 58 min |
| Aug 9, 11:21 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater | 69 min |
| Aug 9, 11:21 AM CDT | Severe Thunderstorm Warning | FGF | Koochiching, Lake of the Woods, Roseau | 69 min |
| Aug 9, 12:30 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Koochiching | 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.