Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 18, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 23, 1994, 7:54 PM CDT for Big Stone County, Minnesota. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- May 23, 1994, 7:54 PM CDT (00:54 UTC)
- Expired
- May 23, 1994, 8:45 PM CDT
- In force
- 51 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Big Stone County, MN
The nearest sounding before it
Aberdeen, SD (KHON), launched 00:00Z, 0.9 hours before the alert went out and 167 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
- 1212 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 2117 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, May 23, 6:25 PM CDT, 1 hour 29 minutes before
MNZ059-065-073-240200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 625 PM CDT MON MAY 23 1994 ...SEVERE THUNDERSTORM WATCH UNTIL 11 PM... SEVERE THUNDERSTORMS HAD DEVELOPED OVER NORTHWEST MINNESOTA LATE THIS AFTERNOON. THUNDERSTORMS WERE EXPECTED TO CONTINUE TO SPREAD EAST AND SOUTH OVER MINNESOTA THIS EVENING. THERE IS A CHANCE THAT SEVERE THUNDERSTORMS WILL ALSO DEVELOP OVER CENTRAL AND SOUTHWEST MINNESOTA. A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THIS AREA UNTIL 11 PM. REDWOOD...RENVILLE AND WRIGHT COUNTIES WERE AMONG THE COUNTIES INCLUDED IN THE WATCH. TOWNS INCLUDED WERE BUFFALO AND REDWOOD FALLS. SEVERE THUNDERSTORMS WITH LARGE HAIL AND STRONG WINDS ARE POSSIBLE IN THESE AREAS THIS EVENING. STORMS IN NORTHWEST MINNESOTA HAVE PRODUCED STRONG WINDS WITH NUMEROUS TREES DOWN. PEOPLE SHOULD BE ALERT FOR THUNDERSTORM ACTIVITY AND LISTEN TO THE MEDIA FOR POSSIBLE SEVERE WEATHER WARNINGS. SCOTT
Special weather statement, May 23, 7:25 PM CDT, 29 minutes before
MNZ059-065-073-240200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 625 PM CDT MON MAY 23 1994 ...SEVERE THUNDERSTORM WATCH UNTIL 11 PM... SEVERE THUNDERSTORMS HAD DEVELOPED OVER NORTHWEST MINNESOTA LATE THIS AFTERNOON. THUNDERSTORMS WERE EXPECTED TO CONTINUE TO SPREAD EAST AND SOUTH OVER MINNESOTA THIS EVENING. THERE IS A CHANCE THAT SEVERE THUNDERSTORMS WILL ALSO DEVELOP OVER CENTRAL AND SOUTHWEST MINNESOTA. A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THIS AREA UNTIL 11 PM. REDWOOD...RENVILLE AND WRIGHT COUNTIES WERE AMONG THE COUNTIES INCLUDED IN THE WATCH. TOWNS INCLUDED WERE BUFFALO AND REDWOOD FALLS. SEVERE THUNDERSTORMS WITH LARGE HAIL AND STRONG WINDS ARE POSSIBLE IN THESE AREAS THIS EVENING. STORMS IN NORTHWEST MINNESOTA HAVE PRODUCED STRONG WINDS WITH NUMEROUS TREES DOWN. PEOPLE SHOULD BE ALERT FOR THUNDERSTORM ACTIVITY AND LISTEN TO THE MEDIA FOR POSSIBLE SEVERE WEATHER WARNINGS. SCOTtT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 7:45 PM CDT | Severe Thunderstorm Warning | MPX | Big Stone | 60 min |
| May 23, 8:43 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 47 min |
| May 23, 9:05 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Swift | 55 min |
| May 23, 9:38 PM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 52 min |
| May 23, 9:52 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Sherburne, Stearns | 53 min |
| May 23, 10:02 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi | 43 min |
| May 23, 10:07 PM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville | 53 min |
| May 23, 10:52 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 38 min |
| May 23, 11:07 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet | 47 min |
| May 23, 11:38 PM CDT | Severe Thunderstorm Warning | MPX | Watonwan | 52 min |
| May 24, 12:43 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault | 32 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.