Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 133, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 11, 1994, 2:49 AM CDT for Brown County, Minnesota. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Jul 11, 1994, 2:49 AM CDT (07:49 UTC)
- Expired
- Jul 11, 1994, 3:45 AM CDT
- In force
- 56 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Brown County, MN
The nearest sounding before it
Aberdeen, SD (KHON), launched 00:00Z, 7.8 hours before the alert went out and 300 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 110751 RRA SVRRST MNC015-110845- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 249 AM CDT MON JUL 11 1994 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL MINNESOTA ...BROWN COUNTY AT 245AM RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES SOUTH OF REDWOOD FALLS NEAR THE TOWNS OF WABASSO AND SANBORN. THIS STORM WAS MOVING EAST AT 25 MPH. THE TOWNS OF SPRINGFIELD...EVAN...SLEEPY EYE...AND NEW ULM ARE IN THE PATH OF THIS STORM. EXPECT DAMAGING WIND...LARGE HAIL...AND DEADLY LIGHTNING WITH THESE STORMS. GET AWAY FROM WINDOWS. THE STORM SHOULD MOVE THROUGH SPRINGFIELD BY 3AM...REACH EVAN AND SLEEPY EYE BY 315AM...AND APPROACH NEW ULM BY 330AM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THIS AREA UNTIL 6AM. SCS 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, Jul 11, 2:16 AM CDT, 33 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, 32 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
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, 2:54 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 |
| Jul 11, 3:44 AM CDT | Severe Thunderstorm Warning | MPX | Nicollet | 31 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.