Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 3, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 1, 1990, 7:43 PM CDT for Otter Tail County, Minnesota. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Jun 1, 1990, 7:43 PM CDT (00:43 UTC)
- Expired
- Jun 1, 1990, 8:45 PM CDT
- In force
- 62 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Otter Tail County, MN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 0.7 hours before the alert went out and 239 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
- 860 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1531 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFAR 020043
SVRFAR
MNC111-020145-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FARGO ND
743 PM CDT FRI JUN 1 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 845 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE WEST CENTRAL PART OF MINNESOTA
OTTER TAIL
AT 735 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES
NORTH OF FERGUS FALLS MINNESOTA MOVING TO THE NORTHEAST 25 MILES
AN HOUR. ALSO ANOTHER SEVERE THUNDERSTORM WAS LOCATED 25 MILES
NORTH OF ALEXANDRIA MINNESOTA AND WAS MOVING TO THE NORTHEAST
AT 25 MILES AN HOUR AND WILL MOVE INTO SOUTHCENTRAL OTTER TAIL
COUNTY BY 8 PM CDT. THESE SEVERE THUNDERSTORMS HAVE PRODUCED
GOLFBALL SIZE HAIL AND EXTREMELY HEAVY RAIN.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS 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 RAIN MAY FLOOD ROADWAYS QUICKLY
...AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARNING...SO BE ON THE LOOKOUT.
IF THREATENING WEATHER APPROACHES...YOU SHOULD GO TO A PLACE OF
SAFETY IMMEDIATELY. REPORT ALL SEVERE WEATHER TO YOUR LOCAL LAW
ENFORCEMENT AGENCY AFTER THE STORM PASSES.The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 7:09 PM CDT | Severe Thunderstorm Warning | FGF | Douglas, Grant | 66 min |
| Jun 1, 8:55 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 65 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1990Every severe thunderstorm warning in 1990
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.