Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 80, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Sep 11, 1994, 3:22 PM CDT for Becker County, Mahnomen County, Minnesota. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- Sep 11, 1994, 3:22 PM CDT (20:22 UTC)
- Expired
- Sep 11, 1994, 4:30 PM CDT
- In force
- 68 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Becker County, MN, Mahnomen County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 8.4 hours before the alert went out and 303 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
- 345 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 1172 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- -40 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 KFAR 112022 RRA
SVRFAR
MNC005-087-119-112130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FARGO ND
322 PM CDT SUN SEP 11 1994
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 430 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTHWEST PART OF MINNESOTA
WESTERN BECKER...MAHNOMEN...EASTERN POLK
AT 315 PM CDT RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS IN
NORTHWEST MINNESOTA. THE THUNDERSTORMS EXTENDED FROM 10 MILES WEST
OF FOSSTON IN EASTERN POLK COUNTY...OR 30 MILES SOUTHEAST OF THIEF
RIVER FALLS TO WESTERN CLAY COUNTY OR 25 MILES EAST OF MOORHEAD.
THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH. SOME COMMUNITIES IN
THE PATH OF THESE STORMS INCLUDE FOSSTON...GONVIG...MCINTOSH...
MAHNOMEN AND TWIN VALLEY.
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.
INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM HIGH OBJECTS. MOVE INDOORS IF POSSIBLE. WHEN INDOORS...
STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING TELEPHONES AND
ELECTRICAL EQUIPMENT.
HWWhat 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, Sep 11, 12:25 PM CDT, 2 hours 57 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-111830- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 1225 PM CDT SUN SEP 11 1994 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF EASTERN NORTH DAKOTA AND PART OF NORTHWEST MINNESOTA UNTIL 4PM CDT... AT 1225 PM CDT A LINE OF STRONG THUNDERSTORMS EXTENDED FROM 10 MILES SOUTH OF GRAND FORKS NORTH DAKOTA SOUTHWEST TO NEAR TOWER CITY NORTH DAKOTA. THE STRONGEST THUNDERSTORMS WERE LOCATED NEAR GALESBURG IN TRAILL COUNTY AND JUST EAST OF TOWER CITY IN CASS COUNTY. THESE THUNDERSTORMS WERE MOVING EAST AT 25 MPH AND WILL BE OVER EASTERN TRAILL COUNTY AND MOVING INTO THE FARGO NORTH DAKOTA AREA BY 1PM CDT. THESE THUNDERSTORMS COULD PRODUCE VERY HEAVY RAIN...HAIL...GUSTY WINDS AND FREQUENT DANGEROUS LIGHTNING STRIKES. OTHER SHOWERS AND THUNDERSTORMS CONTINUED OVER EAST CENTRAL...NORTHEAST AND SOUTHEAST NORTH DAKOTA AND NORTHWEST MINNESOTA. ALL OF THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 TO 30 MPH. PERSONS NEAR ANY OF THESE THUNDERSTORMS AND IN THE WATCH AREA SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR FURTHER INFORMATION ABOUT THESE STORMS. ANDERSEN
Special weather statement, Sep 11, 12:33 PM CDT, 2 hours 49 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-111830- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 1225 PM CDT SUN SEP 11 1994 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF EASTERN NORTH DAKOTA AND PART OF NORTHWEST MINNESOTA UNTIL 4PM CDT... AT 1225 PM CDT A LINE OF STRONG THUNDERSTORMS EXTENDED FROM 10 MILES SOUTH OF GRAND FORKS NORTH DAKOTA SOUTHWEST TO NEAR TOWER CITY NORTH DAKOTA. THE STRONGEST THUNDERSTORMS WERE LOCATED NEAR GALESBURG IN TRAILL COUNTY AND JUST EAST OF TOWER CITY IN CASS COUNTY. THESE THUNDERSTORMS WERE MOVING EAST AT 25 MPH AND WILL BE OVER EASTERN TRAILL COUNTY AND MOVING INTO THE FARGO NORTH DAKOTA AREA BY 1PM CDT. THESE THUNDERSTORMS COULD PRODUCE VERY HEAVY RAIN...HAIL...GUSTY WINDS AND FREQUENT DANGEROUS LIGHTNING STRIKES. OTHER SHOWERS AND THUNDERSTORMS CONTINUED OVER EAST CENTRAL...NORTHEAST AND SOUTHEAST NORTH DAKOTA AND NORTHWEST MINNESOTA. ALL OF THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 TO 30 MPH. PERSONS NEAR ANY OF THESE THUNDERSTORMS AND IN THE WATCH AREA SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO NO&AA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR FURTHER INFORMATION ABOUT THESE STORMS. ANDERSEN
Special weather statement, Sep 11, 1:25 PM CDT, 1 hour 57 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-111930- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 125 PM CDT SUN SEP 11 1994 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF EASTERN NORTH DAKOTA AND PART OF NORTHWEST MINNESOTA UNTIL 4PM CDT... AT 125 PM CDT AN AREA OF STRONG THUNDERSTORMS EXTENDED FROM JUST SOUTH OF THE THIEF RIVER FALLS MINNESOTA AREA SOUTHWEST TO JUST SOUTH OF JAMESTOWN NORTH DAKOTA WITH THE STRONGEST THUNDERESTORM LOCATED NORTH OF TOWER CITY NORTH DAKOTA. THESE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 25 TO 30 MPH AND WILL MOVE THROUGH THE ADA AND MAHNOMEN MINNESOTA AREAS AND OVER NORTHERN CASS COUNTY OF NORTH DAKOTA BY 2PM. THESE THUNDERSTORMS COULD PRODUCE VERY HEAVY RAIN...HAIL...GUSTY WINDS AND FREQUENT DANGEROUS LIGHTNING STRIKES. OTHER SHOWERS AND THUNDERSTORMS CONTINUED OVER EAST CENTRAL...NORTHEAST AND SOUTHEAST NORTH DAKOTA AND NORTHWEST MINNESOTA. ALL OF THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 TO 30 MPH. PERSONS NEAR ANY OF THESE THUNDERSTORMS AND IN THE WATCH AREA SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR FURTHER INFORMATION ABOUT THESE STORMS. ANDERSEN
Special weather statement, Sep 11, 1:38 PM CDT, 1 hour 44 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-111930- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 125 PM CDT SUN SEP 11 1994 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF EASTERN NORTH DAKOTA AND PART OF NORTHWEST MINNESOTA UNTIL 4PM CDT... AT 125 PM CDT AN AREA OF STRONG THUNDERSTORMS EXTENDED FROM JUST SOUTH OF THE THIEF RIVER FALLS MINNESOTA AREA SOUTHWEST TO JUST SOUTH OF JAMESTOWN NORTH DAKOTA WITH THE STRONGEST THUNDERESTORM LOCATED NORTH OF TOWER CITY NORTH DAKOTA. THESE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 25 TO 30 MPH AND WILL MOVE THROUGH THE ADA AND MAHNOMEN MINNESOTA AREAS AND OVER NORTHERN CASS COUNTY OF NORTH DAKOTA BY 2PM. THESE THUNDERSTORMS COULD PRODUCE VERY HEAVY RAIN...HAIL...GUSTY WINDS AND FREQUENT DANGEROUS LIGHTNING STRIKES. OTHER SHOWERS AND THUNDERSTORMS CONTINUED OVER EAST CENTRAL...NORTHEAST AND SOUTHEAST NORTH DAKOTA AND NORTHWEST MINNESOTA. ALL OF THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 TO 30 MPH. PERSONS NEAR ANY OF THESE THUNDERSTORMS AND IN THE WATCH AREA SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR FURTHER INFORMATION ABOUT THESE STORMS. ANDERSEN
Local storm report, Sep 11, 2:35 PM CDT, 47 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
235 PM CDT SUN SEP 11 1994
TIME EVENT
1250 PM CDT BARNES COUNTY SHERIFFS DEPARTMENT REPORTED PEA SIZE HAIL
IN VALLEY CITY.
150 PM CDT THE ARTHUR NORTH DAKOTA COOPERATIVE OBSERVER REPORTED
GOLFBALL SIZE HAIL IN NORTHERN CASS COUNTY.
220 PM CDT THE GRANDIN ND SKYWARN OBSERVER DROVE 4 MILES SOUTHWEST OF
GARDNER NORTH DAKOTA AND SAW QUARTER SIZE HAIL IN THE
DITCHES.
JEURISSENLocal storm report, Sep 11, 2:39 PM CDT, 43 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
235 PM CDT SUN SEP 11 1994
TIME EVENT
1250 PM CDT BARNES COUNTY SHERIFFS DEPARTMENT REPORTED PEA SIZE HAIL
IN VALLEY CITY.
150 PM CDT THE ARTHUR NORTH DAKOTA COOPERATIVE OBSERVER REPORTED
GOLFBALL SIZE HAIL IN NORTHERN CASS COUNTY.
220 PM CDT THE GRANDIN ND SKYWARN OBSERVER DROVE 4 MILES SOUTHWEST OF
GARDNER NORTH DAKOTA AND SAW QUARTEFR SIZE HAIL IN THE
DITCHES.
JEURISSENThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 2:07 PM CDT | Severe Thunderstorm Warning | FGF | Clay, Norman | 68 min |
| Sep 11, 3:22 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 68 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1994Every severe thunderstorm warning in 1994
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.