Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 93, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 30, 1994, 9:41 PM CDT for Blue Earth County, Waseca County, Minnesota. It was in force for 49 min.
The area
The counties it named.
The facts
- Issued
- Jun 30, 1994, 9:41 PM CDT (02:41 UTC)
- Expired
- Jun 30, 1994, 10:30 PM CDT
- In force
- 49 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Blue Earth County, MN, Waseca County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 2.7 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
- 2237 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1140 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 266 m²/s²
- 0-3 km storm-relative helicity
- 383 m²/s²
- Significant tornado parameter
- 4.4
- Supercell composite
- 12.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KRST 010244 RRA SVRRST MNC013-161-165-010330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 941 PM CDT THU JUN 30 1994 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL MINNESOTA ...BLUE EARTH COUNTY...WASECA COUNTY...WATONWAN COUNTY AT 935PM CDT RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS IN SOUTH CENTRAL MINNESOTA ACROSS WATONWAN...BLUE EARTH...AND WASECA COUNTIES. THESE STORMS SHOULD MOVE THROUGH ST. JAMES...ST. CLAIR..MAPLETON...AND WASECA BETWEEN 10PM AND 1015PM CDT. PERSONS IN THESE AREAS SHOULD GO IMMEDIATELY TO YOUR BASEMENT OR INTERIOR ROOM. STAY AWAY FROM WINDOWS. 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. &
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 30, 8:58 PM CDT, 43 minutes before
MNZ042>044-046-048>051-054>058-064-010300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 900 PM CDT THU JUN 30 1994 ...SEVERE THUNDERSTORM WATCH UNTIL 1100 PM... AT 855 RADAR SHOWER THUNDERSTORMS DEVELOPING RAPIDLY IN BENTON AND MILLE LACS COUNTIES OF CENTRAL MINNESOTA. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HAIL...BRIEF GUSTY WINDS ALONG WITH FREQUENT CLOUD TO GROUN LIGHTNING AND HE%AVY RAIN. PERSONS IN BENTON AND MILLE LACS COUNTIES SHOULD KEEP AN EYE TO THE SKY AND AN EAR TO THE RADIO AND BE PREPARED TO SEEK SAFETY IF THREATENING WEATHER DEVELOPES. FRASER
Special weather statement, Jun 30, 9:00 PM CDT, 41 minutes before
MNZ042>044-046-048>051-054>058-064-010300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 900 PM CDT THU JUN 30 1994 ...SEVERE THUNDERSTORM WATCH UNTIL 1100 PM... AT 855 RADAR SHOWER THUNDERSTORMS DEVELOPING RAPIDLY IN BENTON AND MILLE LACS COUNTIES OF CENTRAL MINNESOTA. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HAIL...BRIEF GUSTY WINDS ALONG WITH FREQUENT CLOUD TO GROUN LIGHTNING AND HEAVY RAIN. PERSONS IN BENTON AND MILLE LACS COUNTIES SHOULD KEEP AN EYE TO THE SKY AND AN EAR TO THE RADIO AND BE PREPARED TO SEEK SAFETY IF THREATENING WEATHER DEVELOPES. FRASER
Special weather statement, Jun 30, 9:00 PM CDT, 41 minutes before
MNZ042>044-046-048>051-054>058-064-010300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 900 PM CDT THU JUN 30 1994 ...SEVERE THUNDERSTORM WATCH UNTIL 1100 PM... AT 855 RADAR SHOWER THUNDERSTORMS DEVELOPING RAPIDLY IN BENTON AND MILLE LACS COUNTIES OF CENTRAL MINNESOTA. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HAIL...BRIEF GUSTY WINDS ALONG WITH FREQUENT CLOUD TO GROUN LIGHTNING AND HEAVY RAIN. PERSONS IN BENTON AND MILLE LACS COUNTIES SHOULD KEEP AN EYE TO THE SKY AND AN EAR TO THE RADIO AND BE PREPARED TO SEEK SAFETY IF THREATENING WEATHER DEVELOPES. FRASER
Special weather statement, Jun 30, 9:38 PM CDT, 3 minutes before
MNZ042>044-046-048>051-054>058-064-010330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 940 PM CDT THU JUN 30 1994 ...SEVERE THUNDERSTORM WATCH UNTIL 1100 PM... AT 935 RADAR SHOWED THUNDERSTORMS MOVING INTO SOUTHERN MILLE LACS AND NORTHEAST SHERBURNE COUNTIES IN EAST CENTRAL MINNESOTA. PERSONS IN THE CITIES OF SANTIAGO...PRINCETON...AND ZIMMERMAN CAN EXPECT THESE STORMS IN THEIR AREAS BY 10 PM. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HAIL...BRIEF GUSTY WINDS ALONG WITH FREQUENT CLOUD TO GROUND LIGHTNING AND HEAVY RAIN. PERSONS IN THE PATH OF THESE STORMS SHOULD KEEP AN EYE TO THE SKY AND AN EAR TO THE RADIO AND BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER DEVELOPS. PARKIN
Special weather statement, Jun 30, 9:40 PM CDT, 1 minute before
MNZ042>044-046-048>051-054>058-064-010330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 940 PM CDT THU JUN 30 1994 ...SEVERE THUNDERSTORM WATCH UNTIL 1100 PM... AT 935 RADAR SHOWED THUNDERSTORMS MOVING INTO SOUTHERN MILLE LACS AND NORTHEAST SHERBURNE COUNTIES IN EAST CENTRAL MINNESOTA. PERSONS IN THE CITIES OF SANTIAGO...PRINCETON...AND ZIMMERMAN CAN EXPECT THESE STORMS IN THEIR AREAS BY 10 PM. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HAIL...BRIEF GUSTY WINDS ALONG WITH FREQUENT CLOUD TO GROUND LIGHTNING AND HEAVY RAIN. PERSONS IN THE PATH OF THESE STORMS SHOULD KEEP AN EYE TO THE SKY AND AN EAR TO THE RADIO AND BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER DEVELOPS. PARKIN
Special weather statement, Jun 30, 9:41 PM CDT, 0 minutes before
MNZ074>096-010500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 941 PM CDT THU JUN 30 1994 ...STRONG TO SEVERE THUNDERSTORMS MOVING THROUGH SOUTHERN MINNESOTA... POWERFUL THUNDERSTORMS WERE MOVING THROUGH SOUTHWEST AND SOUTH CENTRL MINNESOTA. AT 940 PM...A 20 TO 30 MILE WIDE LINE OF SEVERE THUNDERSTORMS WAS LOCATED FROM COMFREY...MANKATO AND NORTH OF WASECA. THESE STORMS WERE MOVING SOUTH AT 15 MILES AN HOUR. PERSONS IN BROWN COUNTY...BLUE EARTH COUNTY SOUTHERN LE SUEUR AND WASECA COUNTY IN SOUTH CENTRAL MINNESOTA CAN NOT ONLY EXPECT LARGE HAIL...STRONG WINDS AND THE POSSIBILITY OF A TORNADO...BUT TORRENTIAL RAINS AS WELL. THE SLOW MOVEMENT OF THE STORMS WILL MAKE THESE AREAS SUSCEPTABLE TO FLOODING OF ROADWAYS AND RAPID RISES ON AREA STREAMS. BE CAUTIOUS WHEN DRIVING AFTER DARK. THE BLINDING RAINS ASSOCIATED WITH THE STORMS WILL MAKE IT VERY DIFFICULT WHEN COMMUTING THROUGH SOUTH CENTRAL MINNESOTA. NOT KNOWING THE DEPTH OF WATER ON A ROADWAY COULD PROVE DEADLY. THESE STORMS SHOULD MOVE THROUGH SOUTH CENTRAL MINNESOTA...SOUTH OF FARIMONT...BLUE EARTH AND ALBERT LEA THROUGH ABOUT MIDNIGHT. A TORNADO WARNING REMAIN IN EFFECT FOR MOST OT THE SOUTHERN THIRD OF MINNESOTA UNTIL 3 AM FRIDAY MORNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF EAST CENTRAL MINNESOTA UNTIL 11 PM. DWE
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 7:01 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Sibley | 59 min |
| Jun 30, 7:13 PM CDT | Tornado Warning | MPX | Carver, McLeod | 32 min |
| Jun 30, 7:22 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 68 min |
| Jun 30, 7:42 PM CDT | Tornado Warning | MPX | Carver | 33 min |
| Jun 30, 7:47 PM CDT | Tornado Warning | MPX | Sibley | 28 min |
| Jun 30, 7:54 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Nicollet | 51 min |
| Jun 30, 8:13 PM CDT | Tornado Warning | MPX | Scott | 32 min |
| Jun 30, 8:21 PM CDT | Severe Thunderstorm Warning | MPX | Sibley | 39 min |
| Jun 30, 8:22 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet | 68 min |
| Jun 30, 8:32 PM CDT | Tornado Warning | MPX | Le Sueur, Nicollet | 28 min |
| Jun 30, 8:42 PM CDT | Severe Thunderstorm Warning | MPX | Brown | 48 min |
| Jun 30, 8:49 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Scott | 21 min |
| Jun 30, 8:51 PM CDT | Tornado Warning | MPX | Blue Earth, Nicollet | 54 min |
| Jun 30, 9:41 PM CDT | Severe Thunderstorm Warning | MPX | Watonwan | 49 min |
| Jun 30, 10:19 PM CDT | Tornado Warning | MPX | Freeborn | 26 min |
| Jun 30, 10:52 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 38 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.