Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 194, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 25, 1994, 5:40 PM CDT for Blue Earth County, Brown County, Nicollet County, Minnesota. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Aug 25, 1994, 5:40 PM CDT (22:40 UTC)
- Expired
- Aug 25, 1994, 6:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Blue Earth County, MN, Brown County, MN, Nicollet County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 10.7 hours before the alert went out and 93 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
- 1334 J/kg
- Mixed-layer CIN
- -154 J/kg
- Mixed-layer LCL
- 1348 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRST 252241 RRA SVRRST MNC013-015-103-252315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 540 PM CDT THU AUG 25 1994 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL MINNESOTA ...NORTHERN BLUE EARTH COUNTY...EASTERN BROWN COUNTY ...NICOLLET COUNTY AT 534 PM...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS 15 MILES NORTH AND SOUTH OF NEW ULM. BROWN COUNTY SHERIFFS REPORTED WINDS OF 50 TO 60 MPH NEAR THE TOWN OF SLEEPY EYE...WHICH IS 12 MILES WEST OF NEW ULM. THE MOVEMENT OF THESE STORMS IS TO THE NORTHEAST AT 25 MPH. PERSONS IN ST. PETER AND MANKATO CAN EXPECT TO SEE THESE THUNDERSTORMS BY 6 PM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL... DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM. PEOPLE IN MOBILE HOMES SHOULD GO TO A STORM SHELTER. TEAL &
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, Aug 25, 3:23 PM CDT, 2 hours 17 minutes before
MNZ052-053-059>063-065>070-073-WIZ014>016-023-028-252125- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 320 PM CDT THU AUG 25 1994 ...STRONG THUNDERSTORMS MOVING THROUGH CENTRAL AND SOUTH CENTRAL MINNESOTA... AT 320 PM...TWO LINES OF STRONG THUNDERSTORMS WERE AFFECTING PORTIONS OF CENTRAL MINNESOTA. THE FIRST LINE OF STRONG THUNDERSTORMS EXTENDED FROM BENSON IN SWIFT COUNTY TO NEAR LONG PRAIRE. THE LEADING EDGE OF THIS LINE OF STORMS WAS ABOUT 35 MILES WEST OF ST. CLOUD. THESE STORMS WERE MOVING RAPIDLY TO THE SOUTHEAST AT 40 MILES AN HOUR. THE SECOND LINE OF STRONG STORMS WAS OVER SOUTH CENTRAL MINNESOTA ...FROM WILLMAR TO NEAR MANKOTA. THIS LINE WAS SLOWLY MOVING TO THE EAST...BUT DEVELOPING TO THE NORTH. SOME TOWNS IN THE PATH OF THIS AREA OF STORMS ARE HUTCHINSON...FERNANDO AND CHURCHILL. BOTH THESE LINES OF THUNDERSTORMS HAVE THE CAPABILITY OF PRODUCING DAMAGING WINDS AND HAIL LARGER THAN DIME SIZE. THE THUNDERSTORMS WILL CONTINUE TO SPREAD EASTWARD ACROSS CENTRAL MINNESOTA INTO PORTIONS OF EAST CENTRAL MINNESOTA THROUGH 5 PM...AND INTO WEST CENTRAL WISCONSIN EARLY IN THE EVENING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF SOUTHERN MINNESOTA INCLUDING THE TWIN CITIES THROUGH 8 PM. KAVINSKY
Special weather statement, Aug 25, 5:09 PM CDT, 31 minutes before
MNZ060-066-067-068-252315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 509 PM CDT THU AUG 25 1994 AT 505 PM VERY STRONG THUNDERSTORMS CONTINUED TO PERSIST IN SOUTHERN MCLEOD AND SIBLEY COUNTIES NEAR THE TOWNS OF SUMPTER...NEW AUBURN...AND GAYLORD. THESE STORMS ARE MOVING SLOWLY AND WILL MOVE INTO THE ARLINGTON... GREEN ISLE AND NEW ROME AREAS. EXPECT TORRENTIAL RAIN PRODUCING PONDING OF WATER ON ROADWAYS...SMALL HAIL...AND STRONG..GUSTY WINDS FROM THESE STORMS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF SOUTHERN MINNESOTA UNTIL 8 PM CDT. SEVERE THUNDERSTORMS PRODUCE STRONG AND DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING. BE PREPARED TO TAKE COVER QUICKLY SHOULD SEVERE WEATHER APPROACH YOUR AREA. DRB
Special weather statement, Aug 25, 5:12 PM CDT, 28 minutes before
MNZ060-066-067-068-252315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 509 PM CDT THU AUG 25 1994 AT 505 PM VERY STRONG THUNDERSTORMS CONTINUED TO PERSIST IN SOUTHERN MCLEOD AND SIBLEY COUNTIES NEAR THE TOWNS OF SUMPTER...NEW AUBURN...AND GAYLORD. THESE STORMS ARE MOVING SLOWLY AND WILL MOVE INTO THE ARLINGTON... GREEN ISLE AND NEW ROME AREAS. EXPECT TORRENTIAL RAIN PRODUCING PONDING OF WATER ON ROADWAYS...SMALL HAIL...AND STRONG..GUSTY WINDS FROM THESE STORMS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF SOUTHERN MINNESOTA UNTIL 8 PM CDT. SEVERE THUNDERSTORMS PRODUCE STRONG AND DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING. BE PREPARED TO TAKE COVER QUICKLY SHOULD SEVERE WEATHER APPROACH YOUR AREA. DRB
Special weather statement, Aug 25, 5:21 PM CDT, 19 minutes before
WIZ025-027-028-252315- SPECIAL WEATHER STATEMENT...CORRECTION FOR TIME NATIONAL WEATHER SERVICE MINNEAPOLIS MN 521 PM CDT THU AUG 25 1994 AT 515 PM...RADAR INDICATED STRONG THUNDERSTORMS MOVING THROUGH WEST CENTRAL WISCONSIN APPROXIMATELY 15 MILES SOUTHWEST OF EAU CLAIRE. THESE STORMS WERE MOVING TOWARD THE NORTHEAST AT 20 MILES AN HOUR. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF VERY HEAVY RAIN... GUSTY WINDS...AND SMALL HAIL. PERSONS IN THE GREATER EAU CLAIRE AREA SHOULD TAKE APPROPRIATE PRECAUTIONS AT THIS TIME. THE STORMS SHOULD REACH THE EAU CLAIRE AREA BY 600 PM. THIS AREA IS ALSO UNDER A SEVERE THUNDERSTORM WATCH UNTIL 11 PM...INDICATING THAT CONDITIONS ARE FAVORABLE FOR DEVELOPMENT OF DAMAGING THUNDERSTORMS THROUGH THE REMAINDER OF THE EVENING. LUSSKY
Special weather statement, Aug 25, 5:22 PM CDT, 18 minutes before
WIZ025-027-028-260615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 1215 AM CDT FRI AUG 26 1994 AT 2215Z...RADAR INDICATED STRONG THUNDERSTORMS MOVING THROUGH WEST CENTRAL WISCONSIN APPROXIMATELY 15 MILES SOUTHWEST OF EAU CLAIRE. THESE STORMS WERE MOVING TOWARD THE NORTHEAST AT 20 MILES AN HOUR. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF VERY HEAVY RAIN... GUSTY WINDS...AND SMALL HAIL. PERSONS IN THE GREATER EAU CLAIRE AREA SHOULD TAKE APPROPRIATE PRECAUTIONS AT THIS TIME. THE STORMS SHOULD REACH THE EAU CLAIRE AREA BY 600 PM. THIS AREA IS ALSO UNDER A SEVERE THUNDERSTORM WATCH UNTIL 11 PM...INDICATING THAT CONDITIONS ARE FAVORABLE FOR DEVELOPMENT OF< DAMAGING THUNDERSTORMS THROUGH THE REMAINDER OF THE EVENING. LUSSKY
Special weather statement, Aug 25, 5:25 PM CDT, 15 minutes before
WIZ025-027-028-252315- SPECIAL WEATHER STATEMENT...CORRECTION FOR TIME NATIONAL WEATHER SERVICE MINNEAPOLIS MN 521 PM CDT THU AUG 25 1994 AT 515 PM...RADAR INDICATED STRONG THUNDERSTORMS MOVING THROUGH WEST CENTRAL WISCONSIN APPROXIMATELY 15 MILES SOUTHWEST OF EAU CLAIRE. THESE STORMS WERE MOVING TOWARD THE NORTHEAST AT 20 MILES AN HOUR. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF VERY HEAVY RAIN... GUSTY WINDS...AND SMALL HAIL. PERSONS IN THE GREATER EAU CLAIRE AREA SHOULD TAKE APPROPRIATE PRECAUTIONS AT THIS TIME. THE STORMS SHOULD REACH THE EAU CLAIRE AREA BY 600 PM. THIS AREA IS ALSO UNDER A SEVERE THUNDERSTORM WATCH UNTIL 11 PM...INDICATING THAT CONDITIONS ARE FAHVORABLE FOR DEVELOPMENT OF DAMAGING THUNDERSTORMS THROUGH THE REMAINDER OF THE EVENING. LUSSKY
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 3:17 PM CDT | Severe Thunderstorm Warning | MPX | Stearns, Todd | 43 min |
| Aug 25, 3:17 PM CDT | Severe Thunderstorm Warning | MPX | Pope | 43 min |
| Aug 25, 3:39 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville, Sibley | 51 min |
| Aug 25, 3:44 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 46 min |
| Aug 25, 4:01 PM CDT | Severe Thunderstorm Warning | MPX | Stearns | 59 min |
| Aug 25, 4:13 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Sibley | 47 min |
| Aug 25, 4:18 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Sherburne | 57 min |
| Aug 25, 4:45 PM CDT | Tornado Warning | MPX | Benton, Mille Lacs | 30 min |
| Aug 25, 5:01 PM CDT | Severe Thunderstorm Warning | MPX | Anoka | 44 min |
| Aug 25, 5:05 PM CDT | Severe Thunderstorm Warning | MPX | Isanti | 40 min |
| Aug 25, 5:15 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 45 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.