Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 31, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 3, 1990, 4:33 PM CDT for Douglas County, Otter Tail County, Minnesota. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Aug 3, 1990, 4:33 PM CDT (21:33 UTC)
- Expired
- Aug 3, 1990, 5:30 PM CDT
- In force
- 57 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Douglas County, MN, 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 12:00Z, 9.6 hours before the alert went out and 213 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
- 1106 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 659 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFAR 032133
SVRFAR
MNC041-111-032230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FARGO ND
433 PM CDT FRI AUG 3 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE WEST CENTRAL PART OF MINNESOTA
DOUGLAS...EASTERN OTTER TAIL...THE CITY OF ALEXANDRIA
AT 425 PM CDT...AN OFF DUTY NATIONAL WEATHER SERVICE EMPLOYEE
REPORTED A SEVERE THUNDERSTORM 7 MILES SOUTHEAST OF FERGUS FALLS
MINNESOTA. 3/4 INCH HAIL...VERY STRONG WINDS WITH NUMEROUS TREES
DOWN WERE REPORTED. RADAR INDICATES DANGEROUS THUNDERSTORMS FROM
25 MILES SOUTH OF DETROIT LAKES...TO 30 MILES WEST OF ALEXANDRIA...
MOVING TO THE EAST AT 30 MILES AN HOUR.
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 LOWES,T FLOOR
OF YOUR HOME OR BUSINESS.
ARMSTRONGWhat 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 3, 2:41 PM CDT, 1 hour 52 minutes before
NDZ016-017-018-MNZ006-007-010-011- 032030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FARGO ND 240 PM CDT FRI AUG 3 1990 ...STRONG THUNDERSTORMS RAPIDLY DEVELOPED OVER NORTHWEST MINNESOTA... AT 240 PM CDT...SEVERAL STRONG THUNDERSTORMS HAD RAPIDLY DEVELOPED OVER NORTHWEST MINNESOTA. THESE STRONG THUNDERSTORMS WERE IN A LINE FROM 20 MILES EAST OF THIEF RIVER FALLS TO 20 MILES WEST OF DETROIT LAKES. THESE STORMS WERE MOVING EAST AT 30 MILES AN HOUR AND WILL MOVE INTO THE MAHNOMEN...LAKE PARK AND DETROIT LAKES AREA. PERSONS AT THE WE FEST AT SOO PASS RANCH NEAR DETROIT LAKES COULD ALSO BE AFFECTED BY THESE STORMS WHICH COULD PRODUCE VERY HEAVY RAIN...DANGEROUS LIGHTNING AND SOME SMALL HAIL. ANOTHER STORNG THUNDERSTORM HAD DEVELOP ALONG THE NORTH/SOUTH DAKOTA BORDER SOUTH OF WAHPETON. THIS STORM WAS ALSO MOVING EAST AT 25 MILES AND HOUR AND WILL MOVE ACROSS THE NORTH END OF LAKE TRAVERSE BY 330 PM CDT. . OTHER SHOWERS WERE OCCURRING OVER EAST CENTRAL AND SOUTHEAST NORTH DAKOTA. MOVEMENT WAS EAST AT 25 MILES AN HOUR. PLEASE STAY TUNED TO YOUR LOCAL RADIO AND TV STATIONS AND NOAA WEATHER RADIO FOR LATEST INFORMATION ON THESE THUNDERSTORMS. VOELKER
Special weather statement, Aug 3, 3:43 PM CDT, 50 minutes before
NDZ016-017-018-MNZ006-007-010-011- 032130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FARGO ND 340 PM CDT FRI AUG 3 1990 AT 330 PM CDT...A LINE OF STRONG THUNDERSTORMS CONTINUED OVER NORTHWEST AND WEST CENTRAL MINNESOTA AND EXTREME NORTHEAST SOUTH DAKOTA. THESE THUNDERSTORMS WERE IN A 20 MILE WIDE LINE FROM THE RED LAKES IN NORTHWEST MINNESOTA THROUGH THE DETROIT LAKES AREA AND ON TO LAKE LAKE TRAVERSE IN THE NORTHEAST CORNER OF SOUTH DAKOTA. STRONGEST STORMS WERE JUST WEST OF FERGUS FALLS...20 MILES NORTH AND 10 MILES SOUTH OF DETROIT LAKES MINNESOTA. THESE STORMS WERE MOVING EAST AT 30 MILES AN HOUR AND WILL MOVE THROUGH THE FERGUS FALLS... LAKE TRAVERSE...DETROIT LAKES...ITASCA STATE PARK AND BEMIDJI AREAS BY 430 PM CDT. THESE STORMS ARE CAPABLE OF PRODUCING BRIEF VERY HEAVY RAIN...SMALL HAIL AND DANGEROUS LIGHTNING. ALL PERSONS IN THE PATH OF THESE STORMS SHOULD STAY ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND PREPARED TO SEEK SHELTER IF NECESSARY. STAY TUNED TO YOUR LOCAL RADIO AND TV FOR THE LATEST INFORMATION ON THESE STORMS. VOELKER
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.