Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 124, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 7, 1994, 3:31 PM CDT for McLeod County, Minnesota. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1994, 3:31 PM CDT (20:31 UTC)
- Expired
- Jul 7, 1994, 4:15 PM CDT
- In force
- 44 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County McLeod County, MN
The nearest sounding before it
Aberdeen, SD (KHON), launched 12:00Z, 8.5 hours before the alert went out and 325 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
- 1 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 542 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KMSP 072030 SVRMPX MNC085-072115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 331 PM CDT THU JUL 7 1994 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MINNESOTA ...MCLEOD COUNTY AT 328 PM RADAR INDICTATED A SEVERE THUNDERSTORM IN MCLEOD COUNTY BETWEEN BROWTON AND FERNANDO...WHICH IS 50 MILES WEST..SOUTHWEST OF THE TWIN CITIES. THIS STORM IS MOVING TO THE NORTHEAST AT 20 MPH...CITIES IN THE PATH INCLUDE GLENCOE...SUMTER...AND SILVER LAKE. 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.
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 7, 1:37 PM CDT, 1 hour 54 minutes before
MNZ042>044-046-048>051-054>058-064-071930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 130 PM CDT THU JUL 7 1994 ...THUNDERSTORMS DEVELOPING IN WEST-CENTRAL MINNESOTA... AT 130 PM RADAR SHOWED THUNDERSTORMS DEVELOPING IN WEST-CENTRAL MINNESOTA EXTENDING IN A LINE FROM NEAR ALEXANDRIA SOUTH TO REDWOOD FALLS. THE STORMS WERE MOVING EAST AT 20 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAIN... SMALL HAIL...GUSTY WINDS AND FREQUENT LIGHTNING STRIKES. THE HEAVY RAINS FROM THE STORMS MAY CAUSE LOCAL STREET FLOODING AND PONDING OF WATER ON ROADWAYS. DO NOT DRIVE OVER FLOODED ROADS. FRASER
Special weather statement, Jul 7, 2:30 PM CDT, 1 hour 1 minute before
MNZ042>044-046-048>051-054>058-064-072030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 230 PM CDT THU JUL 7 1994 ...THUNDERSTORMS IN WEST-CENTRAL MINNESOTA... AT 230 PM RADAR SHOWED THUNDERSTORMS IN WEST-CENTRAL MINNESOTA EXTENDING IN A LINE FROM SAUK CENTRE TO WILLMAR TO NEW ULM. THE STORMS WERE MOVING EAST AT 15 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAIN... SMALL HAIL...GUSTY WINDS AND FREQUENT LIGHTNING STRIKES. THE HEAVY RAINS FROM THE STORMS MAY CAUSE LOCAL STREET FLOODING AND PONDING OF WATER ON ROADWAYS. DO NOT DRIVE OVER FLOODED ROADS. IF YOU ARE IN THE PATH OF THESE STORM...BE PREPARED FOR RAPIDLY CHANGING WEATHER CONDITIONS. IF ON A LAKE...GET OFF THE WATER AND SEEK SHELTER. PARKIN
Special weather statement, Jul 7, 2:31 PM CDT, 1 hour before
MNZ042>044-046-048>051-054>058-064-072030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 230 PM CDT THU JUL 7 1994 ...THUNDERSTORMS IN WEST-CENTRAL MINNESOTA... AT 230 PM RADAR SHOWED THUNDERSTORMS IN WEST-CENTRAL MINNESOTA EXTENDING IN A LINE FROM SAUK CENTRE TO WILLMAR TO NEW ULM. THE STORMS WERE MOVING EAST AT 15 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAIN... SMALL HAIL...GUSTY WINDS AND FREQUENT LIGHTNING STRIKES. THE HEAVY RAINS FROM THE STORMS MAY CAUSE LOCAL STREET FLOODING AND PONDING OF WATER ON ROADWAYS. DO NOT DRIVE OVER FLOODED ROADS. IF YOU ARE IN THE PATH OF THESE STORM...BE PREPARED FOR RAPIDLY CHANGING WEATHER CONDITIONS. IF ON <A LAKE...GET OFF THE WATER AND SEEK SHELTER. PARKIN
Special weather statement, Jul 7, 3:23 PM CDT, 8 minutes before
MNC019-085-143-072130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 323 PM CDT THU JUL 7 1994 ....STRONG THUNDERSTORMS DEVELOPING IN PORTIONS OF CENTRAL MINNESOTA... AT 315 PM RADAR INDICATED STRONG THUNDERSTORMS DEVELOPING IN SIBLEY AND MCLEOD COUNTY NEAR THE TOWN OF SUMTER AND ABOUT 10 MILES SOUTH OF GAYLORD. THESE STORMS ARE MOVING TO THE NORTHEAST AT 20 MILES AN HOUR AND SHOULD BE IN THE VICINITY OF GLENCOE AND LE SUEUR BY 345 PM. IF YOU SEE STORMS APPROACHING YOUR AREA TAKE COVER. THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAINS...LARGE HAIL...AND GUSTY WINDS. MJM &
Special weather statement, Jul 7, 3:24 PM CDT, 7 minutes before
MNC019-085-143-072130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 323 PM CDT THU JUL 7 1994 ....STRONG THUNDERSTORMS DEVELOPING IN PORTIONS OF CENTRAL MINNESOTA... AT 315 PM RADAR INDICATED STRONG THUNDERSTORMS DEVELOPING IN SIBLEY AND MCLEOD COUNTY NEAR THE TOWN OF SUMTER AND ABOUT 10 MILES SOUTH OF GAYLORD. THESE STORMS ARE MOVING TO THE NORTHEAST AT 20 MILES AN HOUR AND SHOULD BE IN THE VICINITY OF GLENCOE AND LE SUE`UR BY 345 PM. IF YOU SEE STORMS APPROACHING YOUR AREA TAKE COVER. THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAINS...LARGE HAIL...AND GUSTY WINDS. MJM &
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 3:09 PM CDT | Tornado Warning | MPX | Wabasha, Winona | 36 min |
| Jul 7, 3:20 PM CDT | Tornado Warning | MPX | Kandiyohi, Meeker | 25 min |
| Jul 7, 3:41 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Le Sueur, Nicollet | 34 min |
| Jul 7, 3:59 PM CDT | Severe Thunderstorm Warning | MPX | Sibley | 61 min |
| Jul 7, 4:14 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Scott | 61 min |
| Jul 7, 4:14 PM CDT | Severe Thunderstorm Warning | MPX | McLeod | 61 min |
| Jul 7, 4:20 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Le Sueur, Nicollet | 40 min |
| Jul 7, 4:29 PM CDT | Tornado Warning | MPX | Carver, Scott, Sibley | 46 min |
| Jul 7, 4:50 PM CDT | Tornado Warning | MPX | Carver | 25 min |
| Jul 7, 5:08 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 52 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.