Alert archive / Minnesota / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 83, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 27, 1991, 9:14 PM CDT for Watonwan County, Minnesota. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Jun 27, 1991, 9:14 PM CDT (02:14 UTC)
- Expired
- Jun 27, 1991, 9:45 PM CDT
- In force
- 31 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Watonwan County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 2.2 hours before the alert went out and 126 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
- 3320 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 914 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 10.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRST 280216 SVRRST MNC165-280245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 914 PM CDT THU JUN 27 1991 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 945 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL MINNESOTA ...WATONWAN COUNTY AT9 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM NEAR ECHOLS IN SOUTHWEST WATONWAN COUNTY...25 MILES MORTHEST OF FAIRMONT. THIS SEVERE THUNDERSTORM WAS MOVING EAST AT 25 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 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 RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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 27, 8:01 PM CDT, 1 hour 13 minutes before
WIZ003-006-280200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 804 PM CDT THU JUN 27 1991 ...VERY STRONG THUNDERSTORMS DEVELOPIING OVER WEST CENTRAL WISCONSIN... SINCE 730PM VERY STRONG THUNDERSTORMS HAVE BEEN DEVELOPING OVER WESTCENTRAL WISCONSIN OVER NORTHEAST DUNN AND NORTHWEST CHIPPEWA COUNTIES. THESE THUNDERSTORMS WERE ABOUT 10 MILES NORTH OF EAU CLAIRE. THEY ARE MOVING NORTHEAST AT 30 TO 35 MPH. THEY COULD PRODUCE WINDS OF AROUND 50 MPH AS WELL AS SOME HAIL AND TORRENTIAL RAINS. THESE STORMS WILL BE MOVING ACROSS NORTHERN CHIPPEWA AND INTO RUSK COUNTY BETWEEN 8 AND 830PM. CITIES IN THE PATH OF THESE STRONG STORMS ARE...NEW AUBURN AND LADYSMITH. PA\ULSON
Special weather statement, Jun 27, 8:28 PM CDT, 46 minutes before
MNZ015-016-017-018-019-WIZ003-006-280230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 830 PM CDT THU JUN 27 1991 ...THUNDERSTORMS DEVELOPING ACROSS SOUTHERN MINNESOTA... A LINE OF THUNDERSTORMS HAS RAPIDLY DEVELOPED SINCE AROUND 8PM IN SOUTHCENTRAL MINNESOTA. AT 815 PM IT EXTENDED FROM NEAR MANKATO TO ST JAMES TO NEAR JACKSON. THESE THUNDERSTORMS WERE MOVING AND DEVELOPING NORTHEAST AT 30 TO 35 MPH TOWARD THE FARIBAULT AREA. SOME OF THEM COULD PRODUCE WINDS IN THE 50 MPH RANGE AND SOME HAIL. OTHER VERY STRONG THUNDDERSTORMS IN WISCONSIN EXTENDED FROM JUST NORTH OF EAU CLAIRE TOWARD LADYSMITH. THEY ALSO WERE MOVING NORTHEAST AROUND 30 TO 35 MPH ACROSS RUSK TOWARD PRICE COUNTY. THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP THE REMAIDER OF THE EVENING ACROSS SOUTHERN MINNESOTA AND WESTERN WISCONSIN. PERSONS SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE THUNDER STORMS. PAULSON
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 6:54 PM CDT | Severe Thunderstorm Warning | MPX | Todd, Wadena | 51 min |
| Jun 28, 6:54 PM CDT | Severe Thunderstorm Warning | MPX | Hubbard | 51 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1991Every severe thunderstorm warning in 1991
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.