Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 204, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 21, 1994, 4:00 PM CDT for Blue Earth County, Faribault County, Minnesota. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Sep 21, 1994, 4:00 PM CDT (21:00 UTC)
- Expired
- Sep 21, 1994, 5:00 PM CDT
- In force
- 60 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Blue Earth County, MN, Faribault County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 9.0 hours before the alert went out and 115 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
- 49 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 834 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRST 212100 SVRRST MNC013-043-212200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 400 PM CDT WED SEP 21 1994 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL MINNESOTA ...SOUTHERN BLUE EARTH COUNTY...NORTHERN FARIBAULT COUNTY AT 455PM RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES SOUTHWEST OF MANKATO NEAR AMBOY. THE STORM SHOULD MOVE THROUGH AMBOY...WINNEBAGO...AND STERLING CENTER BY 420PM. EXPECT LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. AT 457PM FARIBAULT COUNTY SHERIFF REPORTED 1/2 INCH DIAMTER HAIL COVERING THE GROUND NEAR WINNEBAGO. 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 OTFF 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, Sep 21, 2:16 PM CDT, 1 hour 44 minutes before
MNZ052-053-059>063-065>070-073-WIZ014>016-023-028-210345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 215 PM CDT WED SEP 21 1994 ...STRONG THUNDERSTORMS FIRING OVER CENTRAL MINNESOTA... A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A PORTION OF EASTERN MINNESOTA...AND WEST CENTRAL WISCONSIN. THIS WATCH INCLUDES THE TWIN CITIES. AT 215 PM CDT THUNDERSTORMS EXTENDED FROM ABOUT 50 MILES NORTH OF MINNEAPOLIS/ST PAUL TO ABOUT MONTICELLO...TO THE NORTHWEST OF THE TWIN CITIES. THUNDERSTORMS WERE INCREASING IN COVERAGE AND INTENSITY AND WILL MOVE EAST AT 30 MILES AN HOUR. PERSONS THE TWIN CITIES METRO AREA AND ON EAST INTO WESTERN WISCONSIN SHOULD BE PREPARED TO MOVE TO SAFE SHELTER QUICKLY IF THREATENING CONDITIONS ARE SIGHTED. EDWARDS
Special weather statement, Sep 21, 2:42 PM CDT, 1 hour 18 minutes before
MNZ052-053-059-060-061-062-063-066-067-068-069-070-WIZ014-023-024-212045 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 242 PM CDT WED SEP 21 1994 AT 235 PM CDT STRONG THUNDERSTORMS WERE MOVING TOWARDS THE NORTHERN METRO AREA OF THE TWIN CITIES. STORMS CAPABLE OF PRODUCING WINDS TO 40 MPH AND PEA SIZE HAIL WILL BE MOVING ACROSS SOUTHERN ISANTI AND NORTHERN ANOKA COUNTIES...ABOUT 35 MILES TO THE NORTH AND NORTHWEST OF THE TWIN CITIES. SOME CITIES IN THE PATH OF THESE STORMS INCLUDE...ST. FRANCIS...BETHEL AND ISANTI. REMEMBER A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF EASTERN MINNESOTA AND WEST CENTRAL WISCONSIN. THIS WATCH DOES INCLUDE ALL OF THE TWIN CITIES METRO AREA AND NEIGHBORING COUNTIES IN WEST CENTRAL WISCONSIN. STRONG TO SEVERE THUNDERSTORMS WILL BE MOVING ACROSS THE GREATER TWIN CITIES METRO AREA BETWEEN 315 AND 500 PM CDT. OTHER STRONG THUNDERSTORMS WERE APPROACHING DULUTH. EDWARDS
Special weather statement, Sep 21, 2:45 PM CDT, 1 hour 15 minutes before
MNZ052-053-059-060-061-062-063-066-067-068-069-070-WIZ014-023-024-212045 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 242 PM CDT WED SEP 21 1994 AT 235 PM CDT STRONG THUNDERSTORMS WERE MOVING TOWARDS THE NORTHERN METRO AREA OF THE TWIN CITIES. STORMS CAPABLE OF PRODUCING WINDS TO 40 MPH AND PEA SIZE HAIL WILL BE MOVING ACROSS SOUTHERN ISANTI AND NORTHERN ANOKA COUNTIES...ABOUT 35 MILES TO THE NORTH AND NORTHWEST OF THE TWIN CITIES. SOME CITIES IN THE PATH OF THESE STORMS INCLUDE...ST. FRANCIS...BETHEL AND ISANTI. REMEMBER A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF EASTERN MINNESOTA AND WEST CENTRAL WISCONSIN. THIS WATCH DOES INCLUDE ALL OF THE TWIN CITIES METRO AREA AND NEIGHBORING COUNTIES IN WEST CENTRAL WISCONSIN. STRONG TO SEVERE THUNDERSTORMS WILL BE MOVING ACROSS THE GREATER TWIN CITIES METRO AREA BETWEEN 315 AND 500 PM CDT. OTHER STRONG THUNDERSTORMS WERE APPROACHING DULUTH. E&DWARDS
Special weather statement, Sep 21, 3:06 PM CDT, 54 minutes before
MNZ042>044-046-048>051-054>058-064-212045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 405 PM CDT WED SEP 21 1994 ...SEVERE THUNDERSTORM WATCH FOR SHERBURNE COUNTY UNTIL 8 PM... AT 355 PM...THE LINE OF STRONG THUNDERSTORMS HAD MOVED EAST OF SHERBURNE COUNTY. NO SEVERE WEATHER HAD BEEN REPORTED FROM THIS STORM. ELSEWHERE ACROSS CENTRAL MINNESOTA...SCATTERED AREAS OF MOSTLY LIGHT RAIN WITH AN ISOLATED THUNDERSTORM CONTINUED TO MOVE EAST AT 30 MPH. THE LEADING EDGE OF THESE SHOWERS EXTENDED FROM PIERZ TO ST CLOUD TO LITCHFIELD. PERSONS IN CENTRAL MINNESOTA...ESPECIALLY IN SOUTHERN SHERBURNE COUNTY...SHOULD REMAIN ALERT FOR RAPIDLY CHANGIN WEATHER CONDITIONS AND STAY TUNED FOR FURTHER UPDATES. HAMEN
Special weather statement, Sep 21, 3:26 PM CDT, 34 minutes before
MNZALL-212230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 326 PM CDT WED SEP 21 1994 AT 325 PM CDT WEATHER RADAR CONTINUED TO SHOW A STRONG THUNDERSTORM OVER SOUTHERN ISANTI AND NORTHWEST ANOKA COUNTIES TO THE NORTH OF THE TWIN CITIES. HEAVY RAIN WAS FALLING OVER THIS AREA WITH SMALL HAIL POSSIBLE IN THE CITY OF ISANTI. ANOTHER THUNDERSTORM HAD FORMED ABOUT 20 MILES WEST OF THE TWIN CITIES OVER WESTERN LAKE MINNETONKA. THIS STORM HAS INCREASED QUICKLY IN INTENSITY AND MAY PRODUCE WINDS TO 40 MPH...MARBLE SIZE HAIL AND HEAVY RAIN AS IT MOVES EAST OVER LAKE MINNETONKA. WAYZATA...PLYMOUTH AND THE CITY OF MINNETONKA ARE ALSO IN THE PATH OF THIS STORM. THIS STORM WILL CONTINUE TO MOVE EAST ACROSS THE METRO AREA BETWEEN 330 PM AND 500 PM CDT. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE METRO AREA UNTIL 800 PM CDT...AND INCLUDES THE ADJACENT AREAS OF WEST CENTRAL WISCONSIN. EDWARDS
Special weather statement, Sep 21, 3:28 PM CDT, 32 minutes before
MNZALL-212230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 326 PM CDT WED SEP 21 1994 AT 325 PM CDT WEATHER RADAR CONTINUED TO SHOW A STRONG THUNDERSTORM OVER SOUTHERN ISANTI AND NORTHWEST ANOKA COUNTIES TO THE NORTH OF THE TWIN CITIES. HEAVY RAIN WAS FALLING OVER THIS AREA WITH SMALL HAIL POSSIBLE IN THE CITY OF ISANTI. ANOTHER THUNDERSTORM HAD FORMED ABOUT 20 MILES WEST OF THE TWIN CITIES OVER WESTERN LAKE MINNETONKA. THIS STORM HAS INCREASED QUICKLY IN INTENSITY AND MAY PRODUCE WINDS TO 40 MPH...MARBLE SIZE HAIL AND HEAVY RAIN AS IT MOVES EAST OVER LAKE MINNETONKA. WAYZATA...PLYMOUTH AND THE CITY OF MINNETONKA ARE ALSO IN THE PATH OF THIS STORM. THIS STORM0 WILL CONTINUE TO MOVE EAST ACROSS THE METRO AREA BETWEEN 330 PM AND 500 PM CDT. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE METRO AREA UNTIL 800 PM CDT...AND INCLUDES THE ADJACENT AREAS OF WEST CENTRAL WISCONSIN. EDWARDS
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 3:19 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Martin | 41 min |
| Sep 21, 4:12 PM CDT | Tornado Warning | MPX | Anoka, Ramsey | 48 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.