Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 137, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 11, 1994, 3:44 AM CDT for Nicollet County, Minnesota. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Jul 11, 1994, 3:44 AM CDT (08:44 UTC)
- Expired
- Jul 11, 1994, 4:15 AM CDT
- In force
- 31 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Nicollet County, MN
The nearest sounding before it
Aberdeen, SD (KHON), launched 00:00Z, 8.7 hours before the alert went out and 334 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
- 2275 J/kg
- Mixed-layer CIN
- -211 J/kg
- Mixed-layer LCL
- 1048 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRST 110846 RRA SVRRST MNC103-110945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 344 AM CDT MON JUL 11 1994 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL MINNESOTA ...NICOLLET COUNTY AT 340AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 30 MILES NORTHWEST OF NEW ULM NEAR FORT RIDGLEY STATE PARK. THIS STORM WAS MOVING EAST AT 25 MPH. SOME TOWNS IN THE PATH OF THE STORM ARE ST. GEORGE...NEW SWEDEN...AND ST. PETER. THE STORM SHOULD REACH ST. GEORGE BY 4AM...BE NEAR NEW SWEDEN BY 415AM...AND APPROACH ST. PETER BY 430AM. GO TO YOUR BASEMENT OR INTERIOR ROOM. STAY AWAY FROM WINDOWS. 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. SCS &
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, Jul 11, 2:16 AM CDT, 1 hour 28 minutes before
MNZ065-073-110815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 217 AM CDT MON JUL 11 1994 AT 215 AM...A STRONG THUNDERSTORM WAS LOCATED 20 MILES SOUTH OF REDWOOD FALLS...BETWEEN WALNUT GROVE AND REVERE. THIS THUNDERSTORM WAS MOVING EAST AT 15 TO 20 MILES AN HOUR AND WILL MOVE THROUGH REVERE...LAMBERTON AND SANBORN BY 245 AM. THIS THUNDERSTORM IS CAPABLE OF PRODUCING SMALL HAIL...GUSTY WINDS AND FREQUENT LIGHTNING. PERSONS I@N THE PATH OF THIS STORM SHOULD BE PREPARED TO MOVE TO A PLACE OF SAFTEY IF THREATENING WEATHER APPROACHES. CARSTENS
Special weather statement, Jul 11, 2:17 AM CDT, 1 hour 27 minutes before
MNZ065-073-110815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 217 AM CDT MON JUL 11 1994 AT 215 AM...A STRONG THUNDERSTORM WAS LOCATED 20 MILES SOUTH OF REDWOOD FALLS...BETWEEN WALNUT GROVE AND REVERE. THIS THUNDERSTORM WAS MOVING EAST AT 15 TO 20 MILES AN HOUR AND WILL MOVE THROUGH REVERE...LAMBERTON AND SANBORN BY 245 AM. THIS THUNDERSTORM IS CAPABLE OF PRODUCING SMALL HAIL...GUSTY WINDS AND FREQUENT LIGHTNING. PERSONS IN THE PATH OF THIS STORM SHOULD BE PREPARED TO MOVE TO A PLACE OF SAFTEY IF THREATENING WEATHER APPROACHES. CARSTENS
Special weather statement, Jul 11, 3:18 AM CDT, 26 minutes before
MNZ065-073-110915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 319 AM CDT MON JUL 11 1994 ...STRONG THUNDERSTORMS MOVING INTO REDWOOD AND RENVILLE COUNTIES... AT 315 AM...A LINE OF STRONG THUNDERSTORM...WITH A HISTORY OF PRODUCING STRONG WINDS...WAS MOVING INTO WESTER REDWOOD AND RENVILLE COUNTIES. THIS LINE OF STORMS WAS ALIGNED FROM APPROXIMATELY CLARA CITY TO ECHO TO SLAYTON...AND WAS MOVING RAPIDLY TO THE EAST SOUTHEAST AT 50 MILES AN HOUR. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR REDWOOD AND RENVILLE COUNTIES UNTIL 6 AM. THE STORMS MOVING THROUGH THIS AREA COULD PRODUCE STRONG WINDS. PERSONS IN REDWOOD AND RENVILLE COUNTIES...INCLUDING THE CITIES OF zREDWOOD FALLS...LAMBERTON AND OLIVIA...SHOULD BE PREPARED TO MOVE TO A PLACE OF SAFETY UNTIL AT LEAST 415 AM AS THIS LINE OF THUNDERSTORMS MOVES THROUGH THE AREA. LUSSKY
Special weather statement, Jul 11, 3:19 AM CDT, 25 minutes before
MNZ065-073-110915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 319 AM CDT MON JUL 11 1994 ...STRONG THUNDERSTORMS MOVING INTO REDWOOD AND RENVILLE COUNTIES... AT 315 AM...A LINE OF STRONG THUNDERSTORM...WITH A HISTORY OF PRODUCING STRONG WINDS...WAS MOVING INTO WESTER REDWOOD AND RENVILLE COUNTIES. THIS LINE OF STORMS WAS ALIGNED FROM APPROXIMATELY CLARA CITY TO ECHO TO SLAYTON...AND WAS MOVING RAPIDLY TO THE EAST SOUTHEAST AT 50 MILES AN HOUR. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR REDWOOD AND RENVILLE COUNTIES UNTIL 6 AM. THE STORMS MOVING THROUGH THIS AREA COULD PRODUCE STRONG WINDS. PERSONS IN REDWOOD AND RENVILLE COUNTIES...INCLUDING THE CITIES OF REDWOOD FALLS...LAMBERTON AND OLIVIA...SHOULD BE PREPARED TO MOVE TO A PLACE OF SAFETY UNTIL AT LEAST 415 AM AS THIS LINE OF THUNDERSTORMS MOVES THROUGH THE AREA. LUSSKY
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 1:57 AM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 48 min |
| Jul 11, 1:57 AM CDT | Severe Thunderstorm Warning | MPX | Big Stone | 48 min |
| Jul 11, 2:49 AM CDT | Severe Thunderstorm Warning | MPX | Brown | 56 min |
| Jul 11, 2:54 AM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 66 min |
| Jul 11, 3:30 AM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville | 45 min |
| Jul 11, 3:30 AM CDT | Severe Thunderstorm Warning | MPX | Sibley | 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.