Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 192, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 25, 1994, 5:05 PM CDT for Isanti County, Minnesota. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- Aug 25, 1994, 5:05 PM CDT (22:05 UTC)
- Expired
- Aug 25, 1994, 5:45 PM CDT
- In force
- 40 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Isanti County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 10.1 hours before the alert went out and 83 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 KMSP 252210 RRA SVRMSP MNC059-252245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 505 PM CDT THU AUG 25 1994 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MINNESOTA ...ISANTI COUNTY... AT 500 PM A SEVERE THUNDERSTORM PRODUCED WINDS OF 93 MPH AT PRINCETON. PRINCETON IS ABOUT 25 MILES EAST OF ST CLOUD. PERSONS IN CAMBRIDGE AND ISANTI SHOULD TAKE SHELTER IMMEDIATELY. VERY STORNG WIND GUSTS IN EXCESS OF 80 MPH SHOULD BE EXPECTED FROM THIS STORM. TAKE COVER NOW. 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. BRIGHT
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, 2:59 PM CDT, 2 hours 6 minutes before
MNZ004>041-252100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 300 PM CDT THU AUG 25 1994 ...PART OF SEVERE THUNDERSTORM WATCH NUMBER 771 CANCELED... THE NORTHWEST PORTIOHN OF SEVERE THUNDERSTORM WATCH NUMBER 771 HAS BEEN CANCELED. THE WATCH IS CANCELED ROUGHLY NORTHWEST OF A BEMIDJI TO WADENA TO WHEATON LINE. THE REMAINDER OF SEVERE THUNDERSTORM WATCH 771 REMAINS IN EFFECT UNTIL 5 PM CDT. DRB
Special weather statement, Aug 25, 3:00 PM CDT, 2 hours 5 minutes before
MNZ004>041-252100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 300 PM CDT THU AUG 25 1994 ...PART OF SEVERE THUNDERSTORM WATCH NUMBER 771 CANCELED... THE NORTHWEST PORTION OF SEVERE THUNDERSTORM WATCH NUMBER 771 HAS BEEN CANCELED. THE WATCH IS CANCELED ROUGHLY NORTHWEST OF A BEMIDJI TO WADENA TO WHEATON LINE. THE REMAINDER OF SEVERE THUNDERSTORM WATCH 771 REMAINS IN EFFECT UNTIL 5 PM CDT. DRB MINNESOTA AND TRACK EAST OR SOUTHEAST THROUGH THIS EVENING. SOME OF THE STRONGEST THUNDERSTORMS WILL PRODUCE HAIL AND STRONG WIND GUSTS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ABOUT THE SOUTHERN HALF OF MINNESOTA UNTIL 8 PM. KAVINSKY
Special weather statement, Aug 25, 3:02 PM CDT, 2 hours 3 minutes before
MNZ059-060-065>070-073-252030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 302 PM CDT THU AUG 25 1994 ...HAIL REPORTED IN RENVILLE COUNTY... AT 2:50 PM A NATIONAL WEATHER SERVICE SEVERE WEATHER SPOTTER REPORTED PEA SIZE HAIL ABOUT 1 MILE EAST OF THE TOWN OF FAIRFAX IN FAR SOUTHERN RENVILLE COUNTY. THE THUNDERSTORM PRODUCING THE HAIL WAS ABOUT 15 MILES EAST OF REDWOOD FALLS. THIS STORM WAS PART OF A DEVELOPING LINE OF STRONG THUNDERSTORMS EXTENDING FROM NEAR OLIVIA IN RENVILLE COUNTY TO JUST WEST OF MANKATO. THESE STORM ARE MOVING TO THE EAST AND WILL AFFECT THE TOWNS OF HECTOR...GIBBON AND CHURCHILL THROUGH 4 PM. STRONG AND POSSIBLY SEVERE THUNDERSTORMS WILL CONTINUE TO AFFECT CENTRAL AND SOUTHERN MINNESOTA THROUGH THIS EVENING. REMAIN ALERT FOR APPROACHING THUNDERSTORMS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE AREA THROUGH 8 PM. KAVINSKY
Special weather statement, Aug 25, 3:04 PM CDT, 2 hours 1 minute before
MNZ059-060-065>070-073-252030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 302 PM CDT THU AUG 25 1994 ...HAIL REPORTED IN RENVILLE COUNTY... AT 2:50 PM A NATIONAL WEATHER SERVICE SEVERE WEATHER SPOTTER REPORTED PEA SIZE HAIL ABOUT 1 MILE EAST OF THE TOWN OF FAIRFAX IN FAR SOUTHERN RENVILLE COUNTY. THE THUNDERSTORM PRODUCING THE HAIL WAS ABOUT 15 MILES EAST OF REDWOOD FALLS. THIS STORM WAS PART OF A DEVELOPING LINE OF STRONG THUNDERSTORMS EXTENDING FROM NEAR OLIVIA IN RENVILLE COUNTY TO JUST WEST OF MANKATO. THESE STORM ARE MOVING TO THE EAST AND WILL AFFECT THE TOWNS OF HECTOR...GIBBON AND CHURCHILL THROUGH 4 PM. STRONG AND POSSIBLY SEVERE THUNDERSTORMS \WILL CONTINUE TO AFFECT CENTRAL AND SOUTHERN MINNESOTA THROUGH THIS EVENING. REMAIN ALERT FOR APPROACHING THUNDERSTORMS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE AREA THROUGH 8 PM. KAVINSKY
Special weather statement, Aug 25, 3:20 PM CDT, 1 hour 45 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, 3:23 PM CDT, 1 hour 42 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
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, 5:15 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 45 min |
| Aug 25, 5:40 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Nicollet | 35 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.