Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 9, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 7, 1993, 4:49 AM CDT for Martin County, Minnesota. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1993, 4:49 AM CDT (09:49 UTC)
- Expired
- Jun 7, 1993, 5:45 AM CDT
- In force
- 56 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Martin County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 9.8 hours before the alert went out and 151 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
- 5 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1003 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 164 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 KRST 070950 RRA SVRRST MNC091-071045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 449 AM CDT MON JUN 7 1993 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL MINNESOTA ...MARTIN COUNTY AT 445AM...THE ROCHESTER RADAR DETECTED A SEVERE THUNDERSTORM ENTERING TO SOUTHWEST CORNER OF MARTIN COUNTY NEAR THE TOWN OF DUNNEL. DUNNEL IS 17 MILES SOUTHWEST OF FAIRMONT. THIS THUNDERSTORM WAS MOVING TOWARD THE NORTHEAST AT 30 MILES AN HOUR ANSHOULD MOVE INTO THE TOWN OF SHERBURN BY 515AM AND FAIRMONT BY 530AM. WHEN SEVERE THUNDERSTORMS ARE OCCURRING...STAY INSIDE A STRONG BUILDING. PROTECT YOURSELF FROM DAMAGING WINDS OR HAIL BY KEEPING AWAY FROM WINDOWS. LISTEN TO YOUR RADIO OR TELEVISION... BUT TURN OFF ALL OTHER ELECTRICAL APPLIANCES. DO NOT USE THE PHONE DURING PERIODS OF FREQUENT LIGHTNING.
What 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, Jun 7, 2:34 AM CDT, 2 hours 15 minutes before
WIZ003-006-MNZALL-070830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 234 AM CDT MON JUN 7 1993 ...STRONG THUNDERSTORMS MOVE INTO SOUTHWEST MINNESOTA... STRONG THUNDERSTORMS HAVE ENTERED EXTREME SOUTHWEST MINNESOTA. AT 230 AM THEY WERE NEAR THE CITY OF JACKSON IN JACKSON COUNTY. VERY HEAVY RAINFALL...FREQUENT DEADLY LIGHTNING...HAIL...AND STRONG GUSTY WINDS ARE POSSIBLE WITH THESE STORMS. MOVEMENT WAS TO THE NORTHEAST AT 30 TO 35 MILES AN HOUR. THEY SHOULD MOVE THROUGH THE COMFREY...BUTTERFIELD...AND ST JAMES AREA BY ABOUT 330 AM. WHILE NO REPORTS OF SEVERE WEATHER HAD BEEN RECIEVED AS OF 230 AM...PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS CAMPING OR FISHING SHOULD STILL KEEP ALERT AND BE READY TO SEEK SAFE SHELTER. KRAFT
Special weather statement, Jun 7, 2:35 AM CDT, 2 hours 14 minutes before
WIZ003-006-MNZALL-070830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 234 AM CDT MON JUN 7 1993 ...STRONG THUNDERSTORMS MOVE INTO SOUTHWEST MINNESOTA... STRONG THUNDERSTORMS HAVE ENTERED EXTREME SOUTHWEST MINNESOTA. AT 230 AM THEY WERE NEAR THE CITY OF JACKSON IN JACKSON COUNTY. VERY HEAVY RAINFALL...FREQUENT DEADLY LIGHTNING...HAIL...AND STRONG GUSTY WINDS ARE POSSIBLE WITH THESE STORMS. MOVEMENT WAS TO THE NORTHEAST AT 30 TO 35 MILES AN HOUR. THEY SHOULD MOVE THROUGH THE COMFREY...BUTTERFIELD...AND ST JAMES AREA BY ABOUT 330 AM. WHILE NO REPORTS OF SEVERE WEATHER HAD BEEN RECIEVED AS OF 230 AM...PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS CAMPING OR FIS(HING SHOULD STILL KEEP ALERT AND BE READY TO SEEK SAFE SHELTER. KRAFT
Special weather statement, Jun 7, 3:38 AM CDT, 1 hour 11 minutes before
WIZ003-006-MNZALL-070945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 338 AM CDT MON JUN 7 1993 ...STRONG THUNDERSTORMS OVER EXTREME SOUTHERN MINNESOTA... THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUED OVER EXTREME SOUTHERN MINNESOTA. AT 330 AM THEY WERE ALONG A LINE FROM NEAR ST JAMES TO WINNEBAGO TO ELMORE. THE MOST POWERFUL STORM WAS LOCATED ABOUT 35 MILES SOUTHWEST OF MANKATO. WHILE NO SEVERE WEATHER HAD BEEN REPORTED WITH THESE STORMS AS OF 330 AM...THEY DO HAVE THE POTENTIAL TO PRODUCE STRONG GUSTY WINDS...HAIL ...AND FREQUENT DEADLY LIGHTNING...AS WELL AS VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS CAMPING OR BOATING SHOULD BE READY TO SEEK SAFE SHELTER. MOVEMENT WAS TO THE NORTHEAST AT 30 TO 35 MILES AN HOUR. BY 430 AM THEY SHOULD MOVE THROUGH THE MANKATO...MAPLETON...AND NEW RICHMOND AREAS. KRAFT
Special weather statement, Jun 7, 3:38 AM CDT, 1 hour 11 minutes before
WIZ003-006-MNZALL-070945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 338 AM CDT MON JUN 7 1993 ...STRONG THUNDERSTORMS OVER EXTREME SOUTHERN MINNESOTA... THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUED OVER EXTREME SOUTHERN MINNESOTA. AT 330 AM THEY WERE ALONG A LINE FROM NEAR ST JAMES TO WINNEBAGO TO ELMORE. THE MOST POWERFUL STORM WAS LOCATED ABOUT 35 MILES SOUTHWEST OF MANKATO. WHILE NO SEVERE WEATHER HAD BEEN REPORTED WITH THESE STORMS AS OF 330 AM...THEY DO HAVE THE POTENTIAL TO PRODUCE STRONG GUSTY WINDS...HAIL ...AND FREQUENT DEADLY LIGHTNING...AS WELL AS VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS CAMPING OR BOATING SHOULD BE READY TO SEEK SAFE SHELTER. MOVEMENT WAS TO THE NORTHEAST AT 30 TO 35 MILES AN HOUR. BY 430 AM THEY SHOULD MOVE THROUGH THE MANKATO...MAPLETON...AND NEW RICHMOND AREAS. KRAFT
Special weather statement, Jun 7, 4:35 AM CDT, 14 minutes before
WIZ003-006-MNZALL-071045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 435 AM CDT MON JUN 7 1993 ...STRONG THUNDERSTORMS OVER SOUTHERN MINNESOTA... THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE OCCURRING NEAR ST PETER IN SOUTH CENTRAL MINNESOTA AT 430 AM. OTHER POWERFUL THUNDERSTORMS WERE ALONG THE IOWA BORDER FROM NORTH OF WORTHINGTON TO NEAR FAIRMONT. THEY HAVE THE POTENTIAL TO PRODUCE STRONG GUSTY WINDS...HAIL... FREQUENT DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS CAMPING OR BOATING SHOULD BE READY TO SEEK SAFE SHELTER. LIGHT RAINSHOWERS WERE FALLING OVER ABOUT THE SOUTHWEST THIRD OF MINNESOTA. THEY WERE MAINLY LOCATED TO THE SOUTH OF A LINE FROM APPLETON TO WILLMAR TO OWATONNA. < MOVEMENT WAS TO THE NORTHEAST AT 30 TO 35 MILES AN HOUR. KRAFT
Special weather statement, Jun 7, 4:39 AM CDT, 10 minutes before
WIZ003-006-MNZALL-071045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 435 AM CDT MON JUN 7 1993 ...STRONG THUNDERSTORMS OVER SOUTHERN MINNESOTA... THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE OCCURRING NEAR ST PETER IN SOUTH CENTRAL MINNESOTA AT 430 AM. OTHER POWERFUL THUNDERSTORMS WERE ALONG THE IOWA BORDER FROM NORTH OF WORTHINGTON TO NEAR FAIRMONT. THEY HAVE THE POTENTIAL TO PRODUCE STRONG GUSTY WINDS...HAIL... FREQUENT DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS CAMPING OR BOATING SHOULD BE READY TO SEEK SAFE SHELTER. LIGHT RAINSHOWERS WERE FALLING OVER ABOUT THE SOUTHWEST THIRD OF MINNESOTA. THEY WERE MAINLY LOCATED TO THE SOUTH OF A LINE FROM APPLETON TO WILLMAR TO OWATONNA. < MOVEMENT WAS TO THE NORTHEAST AT 30 TO 35 MILES AN HOUR. KRAFT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 6:30 AM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 30 min |
| Jun 7, 4:15 PM CDT | Severe Thunderstorm Warning | MPX | Renville | 45 min |
| Jun 7, 6:01 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 59 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1993Every severe thunderstorm warning in 1993
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.