Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 163, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 31, 1994, 5:41 PM CDT for Freeborn County, Mower County, Minnesota. It was in force for 34 min.
The area
The counties it named.
The facts
- Issued
- Jul 31, 1994, 5:41 PM CDT (22:41 UTC)
- Expired
- Jul 31, 1994, 6:15 PM CDT
- In force
- 34 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Freeborn County, MN, Mower County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 10.7 hours before the alert went out and 138 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
- 4 J/kg
- Mixed-layer CIN
- -306 J/kg
- Mixed-layer LCL
- 1222 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRST 312246 RRA SVRRST MNC047-099-312315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 541 PM CDT SUN JUL 31 1994 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL MINNESOTA ...SOUTHEASTERN FREEBORN COUNTY IN SOUTHEAST MINNESOTA ...SOUTHERN MOWER COUNTY AT 535 PM...MOWER COUNTY SHERIFFS REPORTED DIME TO GOLFBALL SIZE HAIL IN THE AUSTIN AREA. THE STORMS THAT ARE CARRYING THIS HAIL WAS MOVING TO THE SOUTHEAST AT 30 MPH. SOME CITIES IN THE PATH OF THESE STORMS ARE AUSTIN...ROSE CREEK...TAOPI...AND GLENVILLE. VERY HEAVY RAINS WERE ALSO REPORTED. 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. TEAL &
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 31, 4:39 PM CDT, 1 hour 2 minutes before
MNZ052-053-060-061-062-063-067-068-069-070-312245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 439 PM CDT SUN JUL 31 1994 ...ISOLATED THUNDERSTORMS DEVELOPING OVER EXTREME EAST CENTRAL MINNESOTA... AT 435 PM...RADAR INDICATED ISOLATED THUNDERSTORMS BEGINNING TO DEVELOP OVER NORTHERN PORTIONS OF THE TWIN CITIES METRO AREA...NAMELY THE COUNTI OF CHISAGO...ISANTI...ANOKA AND HENNEPIN. THE DEVELOPING STORMS WERE LOCATED FROM NEAR RUSH CITY...TO CHAMPLIN AND ANOKA. MOVEMENT WAS TO THE EAST AT 30 MILES AN HOUR AND WILL BE MOVING ACROSS THE TWIN CITIES THROUGH 7 PM THIS EVENING. THESE STORMS COULD BECOME STRONG AND POSSIBLY SEVERE THIS EVENING ACROSS EAST CENTRAL PARTS OF THE STATE AND ESPECIALLY THE FAR SOUTHEAST CORNER OF MINNESOTA. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A PART OF SOUTH CENTRAL AND MOST OF SOUTHEAST MINNESOTA UNTIL 10 PM. PERSONS ACROSS THE TWIN CITIES METROPOLITAN AREA SHOULD MONITOR LOCAL TELEVISON STATIONS OR NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION. DWE *F0MS H8HERN DNG THWELHq6WWUS NP ME. OTHUSTORN'WWUS (P6WWUS TWSCA4. @M`WWUS HPENVANIA ANXxFROx6WWUS sF6WWUS X6WWUS ANTIC CIU6WWUS@ hfWWUS` @"6WWUS $b
Special weather statement, Jul 31, 4:40 PM CDT, 1 hour 1 minute before
MNZ052-053-060-061-062-063-067-068-069-070-312245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 439 PM CDT SUN JUL 31 1994 ...ISOLATED THUNDERSTORMS DEVELOPING OVER EXTREME EAST CENTRAL MINNESOTA... AT 435 PM...RADAR INDICATED ISOLATED THUNDERSTORMS BEGINNING TO DEVELOP OVER NORTHERN PORTIONS OF THE TWIN CITIES METRO AREA...NAMELY THE COUNTI OF CHISAGO...ISANTI...ANOKA AND HENNEPIN. THE DEVELOPING STORMS WERE LOCATED FROM NEAR RUSH CITY...TO CHAMPLIN AND ANOKA. MOVEMENT WAS TO THE EAST AT 30 MILES AN HOUR AND WILL BE MOVING ACROSS THE TWIN CITIES THROUGH 7 PM THIS EVENING. THESE STORMS COULD BECOME STRONG AND POSSIBLY SEVERE THIS EVENING ACROSS EAST CENTRAL PARTS OF THE STATE AND ESPECIALLY THE FAR SOUTHEAST CORNER OF MINNESOTA. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A PART OF SOUTH CENTRAL AND MOST OF SOUTHEAST MINNESOTA UNTIL 10 PM. PERSONS ACROSS THE TWIN CITIES METROPOLITAN AREA SHOULD MONITOJR LOCAL TELEVISON STATIONS OR NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION. DWE
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 4:56 AM CDT | Severe Thunderstorm Warning | MPX | Meeker | 34 min |
| Jul 31, 5:58 AM CDT | Severe Thunderstorm Warning | MPX | Wright | 32 min |
| Jul 31, 4:15 PM CDT | Severe Thunderstorm Warning | MPX | Olmsted, Wabasha | 45 min |
| Jul 31, 5:05 PM CDT | Severe Thunderstorm Warning | MPX | Fillmore, Mower, Olmsted | 40 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.