Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 22, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 2, 1990, 11:12 PM CDT for Marshall County, Minnesota. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1990, 11:12 PM CDT (04:12 UTC)
- Expired
- Jul 3, 1990, 12:15 AM CDT
- In force
- 63 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Marshall 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
International Fa, MN (KINL), launched 00:00Z, 4.2 hours before the alert went out and 227 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
- 1868 J/kg
- Mixed-layer CIN
- -156 J/kg
- Mixed-layer LCL
- 1238 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 214 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 5.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFAR 030412
SVRFAR
MNC089-030515-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FARGO ND
1112 PM CDT MON JUL 2 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1215 AM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE NORTHWEST PART OF MINNESOTA
EASTERN MARSHALL
AT 11 PM CDT A SEVERE THUNDERSTORM WAS LOCATED OVER STRANDQUIST
IN NORTH CENTRAL MARSHALL COUNTY OF NORTHWEST MINNESOTA. THIS
THUNDERSTORM WAS MOVING SOUTHEAST AT 35 MILES AN HOUR AND WILL
BE OVER THE AGAISIZ REFUGE OF EASTERN MARSHALL COUNTY BY
MIDNIGHT. THIS THUNDERSTORM HAS A HISTORY OF VERY HEAVY RAIN....
STORNG WINDS AND FREQUENT LIGHTNING STRIKES.
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.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE
SHOULD MOVE TO SHELTER...PREFERABLY INSIDE A STRONG BUILDING. ONCE
INSIDE...STAY AWAY FROM WINDOWS.
THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS
AND UNDERPASSES. MOTORISTS SHOULD AVOID DRIVING INTO AREAS WHERE
WATER COVERS THE ROAD.
ANDERSENWhat 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 2, 10:12 PM CDT, 1 hour before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-030400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FARGO ND 1000PM CDT MON JUL 2 1990 ...STRONG THUNDERSTORMS EXPLODE IN THE NORTH END OF THE RED RIVER VALLEY OF THE NORTH... AT 1000 PM CDT SEVERAL STRONG THUNDERSTORMS HAVE EXPLODED IN EAST PEMBINA AND EAST WALSH COUNTIES IN NORTHEAST NORTH DAKOTA AND KITTSON COUNTY IN NORTHWEST MINNESOTA. REPORTS OF TORRENTIAL DOWNPOURS OF RAIN...VERY FREQUENT LIGHTNING STRIKES AND WIND GUSTS TO 40 MILES AN HOUR HAVE BEEN RECEIVED FROM A HAM RADIO OPERATOR IN HALLOCK MINNESOTA. THESE STORMS WERE MOVING AND BUILDING SOUTHEAST AT 35 TO 40 MILES AN HOUR. PEOPLE IN THE NORTH END OF THE RED RIVER VALLEY SHOULD STAY ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND IF YOU LIVE NEAR A RIVER OR STREAM BE PREPARED TO GO TO HIGHER GROUND IF FLOODING OCCURS. THESE STORMS WILL CONTINUE OVER THE NORTH END OF THE VALLEY UNTIL THE EARLY MIDNIGHT HOURS.N BENNETT
Special weather statement, Jul 2, 10:46 PM CDT, 26 minutes before
NDZ-015-016-017-MNZ001-006-030430- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 1031 PM CDT MON JUL 2 1990 ...STRONG THUNDERSTORMS CONTINUE TO DUMP TORRENTIAL RAIN OVER THE NORTH END OF THE RED RIVER VALLEY OF THE NORTH... AT 1027 PM CDT A CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAIN WAS LOCATED OVER KITTSON COUNTY OF NORTHWEST MINNESOTA. THE STORMS WERE BETWEEN LANCASTER AND LAKE BRONSON...OR ABOUT 25 MILES SOUTHEAST OF PEMBINA NORTH DAKOTA. THE COOPERATIVE WEATHER OBSERVER IN PEMBINA NORTH DAKOTA REPORTED 1.25 INCHES OF RAIN AND WIND GUSTS TO 50 MILES AN HOUR WHEN THESE STORMS PASSED THROUGH. HALLOCK MINNESOTA OBSERVER REPORTED .92 INCH OF RAIN SINCE 1000 PM...AND GUSTY WIND. THESE STORMS WILL LIKELY CONTINUE TO PRODUCE VERY HEAVY RAIN...STRONG GUSTY WIND...DEADLY LIGHTNING STRIKES AND POSSIBLY SOME HAIL. THESE STORMS WERE MOVING SOUTHEAST AT 35 MILES AN HOUR AND WILL MOVE INTO MARSHALL COUNTY OF NORTHWEST MINNESOTA BY 1100 PM. SOME OF THE TOWN THAT WILL BE AFFECT ARE STRANDQUIST...MIDDLE RIVER... AGASIZ REFUGE...THIEF LAKE REFUGE AND GRYGLA MINNESOTA. OTHER SHOWERS AND THUNDERSTORMS WILL MOVE SOUTHEAST THROUGH THE NORTHWEST COUNTIES OF MINNESOTA THROUGH THE EARLY MIDNIGHT HOURS. PEOPLE IN THE NORTHWEST COUNTIES OF MINNESOTA THAT LIVE NEAR STREAMS OR RIVERS SHOULD BE ALERT FOR LOW LAND FLOODING AND BE PREPARED TO GO TO HIGHER GROUND...IF THE NEED ARISES. ALSO...EFFORTS SHOULD lBE MADE TO PROTECT OUTDOOR PROPERTY FROM HIGH WINDS AND RAIN. BENNETT
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 11:20 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods, Roseau | 115 min |
| Jul 3, 12:09 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Lake of the Woods, Roseau | 66 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.