Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 83, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Sep 12, 1994, 1:31 PM CDT for Douglas County, Grant County, Minnesota. It was in force for 39 min.
The area
The counties it named.
The facts
- Issued
- Sep 12, 1994, 1:31 PM CDT (18:31 UTC)
- Expired
- Sep 12, 1994, 2:10 PM CDT
- In force
- 39 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Douglas County, MN, Grant County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 6.5 hours before the alert went out and 206 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
- 199 J/kg
- Mixed-layer CIN
- -238 J/kg
- Mixed-layer LCL
- 828 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS1 KFAR 121831 RRA
SVRFAR
MNC041-051-121930-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FARGO ND
131 PM CDT MON SEP 12 1994
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 230 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE WEST CENTRAL PART OF MINNESOTA
WESTERN DOUGLAS...EASTERN GRANT
AT 126 PM CDT A SEVERE THUNDERSTORM WAS LOCATED NEAR HOFFMAN IN
SOUTHEAST GRANT COUNTY OF WEST CENTRAL MINNESOTA. THIS STORM WAS
MOVING NORTHEAST AND WILL LIKELY MOVE INTO WESTERN DOUGLAS COUNTY M
INNESOTA BY 2PM CDT. THIS STORM HAS THE POTENTIAL TO PRODUCE LARGE
HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING STRIKES.
IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE POSSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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.
BENNETTWhat 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 12, 10:50 AM CDT, 2 hours 41 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-121650- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 1050 AM CDT MON SEP 12 1994 ...THUNDERSTORMS DEVELOPING RAPIDLY ACROSS THE RED RIVER VALLEY AREA... AT 1025 AM CDT NUMEROUS STRONG THUNDERSTORMS HAD DEVELOPED ACROSS PARTS OF NORTHEAST NORTH DAKOTA...NORTHWEST AND WEST CENTRAL MINNESOTA. THE STRONGEST STORMS WERE JUST NORTHWEST OF THOMPSON AND OVER NORTHWOOD IN GRAND FORKS COUNTY OF NORTHEAST NORTH DAKOTA. THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR AND SHOULD MOVE INTO NORTHERN POLK COUNTY OF MINNESOTA BY 1115 AM. OTHER STRONG STORMS WERE SCATTERED ACROSS SOUTHERN TRAVERSE AND STEVENS COUNTIES OF WEST CENTRAL MINNESOTA. THESE STORMS WILL LIKELY MOVE INTO POPE AND DOUGLAS COUNTIES BY MIDDAY. THESE STRONG STORMS HAVE THE POTENTIAL TO PRODUCE HAIL...DEADLY LIGHTNING AND GUSTY WINDS..ALONG WITH VERY HEAVY RAIN. ANYONE IN THE PATH OF THESE STORMS SHOULD BE ALERT AND READY TO MOVE TO SAFE SHELTER..IF THE NEED ARISES. STAY TUNED TO YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR THE LATEST INFORMATION ABOUT THESE STORMS. BENNETT
Special weather statement, Sep 12, 11:01 AM CDT, 2 hours 30 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-121650- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 1050 AM CDT MON SEP 12 1994 ...THUNDERSTORMS DEVELOPING RAPIDLY ACROSS THE RED RIVER VALLEY AREA... AT 1025 AM CDT NUMEROUS STRONG THUNDERSTORMS HAD DEVELOPED ACROSS PARTS OF NORTHEAST NORTH DAKOTA...NORTHWEST AND WEST CENTRAL MINNESOTA. THE STRONGEST STORMS WERE JUST NORTHWEST OF THOMPSON AND OVER NORTHWOOD IN GRAND FORKS COUNTY OF NORTHEAST NORTH DAKOTA. THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR AND SHOULD MOVE INTO NORTHERN POLK COUNTY OF MINNESOTA BY 1115 AM. OTHER STRONG STORMS WERE SCATTERED ACROSS SOUTHERN TRAVERSE AND STEVENS COUNTIES OF WEST CENTRAL MINNESOTA. THESE STORMS WILL LIKELY MOVE INTO POPE AND DOUGLAS COUNTIES BY MIDDAY. THESE STRONG STORMS HAVE THE POTENTIAL TO PRODUCE HAIL...DEADLY LIGHTNING AND GUSTY WINDS..ALONG WITH VERY HEAVY RAIN. ANYONE IN THE PATH OF THESE STORMS SHOULD BE ALERT AND READY TO MOVE TO SAFE SHELTER..IF THE NEED ARISES. STAY TUNED TO YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR THE LATEST INFORMATION ABOUT THESE STORMS. BENNETT
Special weather statement, Sep 12, 12:50 PM CDT, 41 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-121850- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 1250 PM CDT MON SEP 12 1994 ...THUNDERSTORMS CONTINUED ACROSS NORTH CENTRAL AND WEST CENTRAL MINNESOTA... AT 1225 PM CDT NUMEROUS STRONG THUNDERSTORMS CONTINUED OVER NORTH CENTRAL AND WEST CENTRAL MINNESOTA. IN NORTH CENTRAL MINNESOTA..THE STRONGEST STORMS WERE LOCATED JUST NORTHEAST OF FOSSTON IN EASTERN POLK COUNTY...NEAR CLEARBROOK AND ON ACROSS BELTRAMI COUNTY TO KELLIHOR WHERE 1.54 INCHES OF RAIN FELL IN A ONE HOUR PERIOD DURING THE 1100-100PM TIMEFRAME. THESE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR AND STILL HAVE THE POTENTIAL TO PRODUCE HAIL AND VERY HEAVY RAIN. OTHER STRONG STORMS WERE OVER WEST CENTRAL MINNESOTA THROUGH TRAVERSE.. GRANT...STEVENS AND DOUGLAS COUNTIES. ONLY THUNDER/LIGHTNING AND HEAVY RAIN HAVE BEEN REPORTED FROM THESE STORMS. HOWEVER..THEY STILL HAVE THE POTENTIAL TO DEVELOPE SEVERE WEATHER. THESE STORMS WERE MOVING NORTHEAST AT ABOUT 10-12 MILES AN HOUR. OTHER SHOWERS AND THUNDERSHOWERS WERE REDEVELOPING ACROSS NORTHEAST NORTH DAKOTA FROM DEVILS LAKE TO GRAND FORKS. ANYONE IN THE PATH OF THESE STORMS SHOULD BE ALERT AND READY TO MOVE TO SAFE SHELTER..IF THE NEED ARISES. STAY TUNED TO YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR THE LATEST INFORMATION ABOUT THESE STORMS. BENNETT
Special weather statement, Sep 12, 1:03 PM CDT, 28 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-121850- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 1250 PM CDT MON SEP 12 1994 ...THUNDERSTORMS CONTINUED ACROSS NORTH CENTRAL AND WEST CENTRAL MINNESOTA... AT 1225 PM CDT NUMEROUS STRONG THUNDERSTORMS CONTINUED OVER NORTH CENTRAL AND WEST CENTRAL MINNESOTA. IN NORTH CENTRAL MINNESOTA..THE STRONGEST STORMS WERE LOCATED JUST NORTHEAST OF FOSSTON IN EASTERN POLK COUNTY...NEAR CLEARBROOK AND ON ACROSS BELTRAMI COUNTY TO KELLIHOR WHERE 1.54 INCHES OF RAIN FELL IN A ONE HOUR PERIOD DURING THE 1100-100PM TIMEFRAME. THESE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR AND STILL HAVE THE POTENTIAL TO PRODUCE HAIL AND VERY HEAVY RAIN. OTHER STRONG STORMS WERE OVER WEST CENTRAL MINNESOTA THROUGH TRAVERSE.. GRANT...STEVENS AND DOUGLAS COUNTIES. ONLY THUNDER/LIGHTNING AND HEAVY RAIN HAVE BEEN REPORTED FROM THESE STORMS. HOWEVER..THEY STILL HAVE THE POTENTIAL TO DEVELOPE SEVERE WEATHER. THESE STORMS WERE MOVING NORTHEAST AT ABOUT 10-12 MILES AN HOUR. OTHER SHOWERS AND THUNDERSHOWERS WERE REDEVELOPING ACROSS NORTHEAST NORTH DAKOTA FROM DEVILS LAKE TO GRAND FORKS. ANYONE IN THE PATH OF THESE STORMS SHOULD BE ALERT AND READY TO MOVE TO SAFE SHELTER..IF THE NEED ARISES. STAY TUNED TO YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR THE LATEST INFORMATION ABOUT THESE STORMS. BENNETT
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 11:21 AM CDT | Severe Thunderstorm Warning | FGF | Polk | 69 min |
| Sep 12, 5:00 PM CDT | Severe Thunderstorm Warning | FGF | Clay, Mahnomen, Norman | 60 min |
| Sep 12, 6:17 PM CDT | Severe Thunderstorm Warning | FGF | Becker | 58 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.