Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 152, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 19, 1994, 3:49 PM CDT for Brown County, Nicollet County, Minnesota. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Jul 19, 1994, 3:49 PM CDT (20:49 UTC)
- Expired
- Jul 19, 1994, 4:30 PM CDT
- In force
- 41 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Brown County, MN, Nicollet County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 8.8 hours before the alert went out and 93 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
- 44 J/kg
- Mixed-layer CIN
- -204 J/kg
- Mixed-layer LCL
- 892 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRST 192052 RRA SVRRST MNC015-103-192130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 349 PM CDT TUE JUL 19 1994 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL MINNESOTA ...BROWN COUNTY...SOUTHERN NICOLLET COUNTY AT 345PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 18 SOUTHWEST OF NEW ULM NEAR THE TOWN OF LEAVENWORTH. THIS STORM WAS MOVING EAST AT 25 MPH AND PRODUCED DIME SIZE HAIL 5 MILES SOUTHEAST OF SLEEPY EYE. THE TOWNS OF SEARLES...COURTLAND...AND NEW ULM ARE IN THE PATH OF THIS STORM. GO INDOORS IMMEDIATELY. GET AWAY FROM WINDOWS. GO TO AN INTERIOR ROOM OR TO YOUR BASEMENT. 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 19, 10:45 AM CDT, 5 hours 4 minutes before
MNZ004>096-200000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 1045 AM CDT TUE JUL 19 1994 ...SEVERE THUNDERSTORMS ARE POSSIBLE OVER MUCH OF MINNESOTA THIS AFTERNOON AND EARLY EVENING... SCATTERED STRONG THUNDERSTORMS ARE EXPECTED ACROSS MUCH OF MINNESOTA THIS AFTERNOON AND EVENING WITH THE BEST CHANCE FOR SEVERE THUNDERSTORMS OVER THE SOUTHEAST THIRD OF THE STATE. THE THREAT FOR SEVERE THUNDERSTORMS BEGINS EARLY THIS AFTERNOON SOUTH AND EAST OF A LINE FROM ABOUT BAUDETTE TO WEST OF MONTEVIDEO WITH THE BEST CHANCE FOR SEVERE THUNDERSTORMS ALONG AND EAST OF LINE FROM DULUTH TO HUTCHINSON TO FAIRMONT...INCLUDING THE TWIN CITIES METRO AREA... ROCHESTER AND MANKATO THE NATIONAL WEATHER SERVICE DEFINES A THUNDERSTORM AS SEVERE IF IT CONTAINS WINDS OF 58 MPH OR STRONGER...AND/OR THREE QUARTERS INCH SIZE HAIL OR LARGER...AND/OR A TORNADO. EMERGENCY MANAGEMENT PERSONNEL SHOULD CHECK PREPAREDNESS REQUIREMENTS. ALL PERSONS ACROSS MINNESOTA SHOULD MONITOR THE LATEST FORECASTS AND WATCH FOR SIGNS OF APPROACHING THUNDERSTORMS. KAVINSKY
Special weather statement, Jul 19, 10:48 AM CDT, 5 hours 1 minute before
MNZ004>096-200000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 1045 AM CDT TUE JUL 19 1994 ...SEVERE THUNDERSTORMS ARE POSSIBLE OVER MUCH OF MINNESOTA THIS AFTERNOON AND EARLY EVENING... SCATTERED STRONG THUNDERSTORMS ARE EXPECTED ACROSS MUCH OF MINNESOTA THIS AFTERNOON AND EVENING WITH THE BEST CHANCE FOR SEVERE THUNDERSTORMS OVER THE SOUTHEAST THIRD OF THE STATE. THE THREAT FOR SEVERE THUNDERSTORMS BEGINS EARLY THIS AFTERNOON SOUTH AND EAST OF A LINE FROM ABOUT BAUDETTE TO WEST OF MONTEVIDEO WITH THE BEST CHANCE FOR SEVERE THUNDERSTORMS ALONG AND EAST OF LINE FROM DULUTH TO HUTCHINSON TO FAIRMONT...INCLUDING THE TWIN CITIES METRO AREA... ROCHESTER AND MANKATO THE NATIONAL WEATHER SERVICE DEFINES A THUNDERSTORM AS SEVERE IF IT CONTAINS WINDS OF 58 MPH OR STRONGER...AND/OR THREE QUARTERS INCH SIZE HAIL OR LARGER...AND/OR A TORNADO. EMERGENCY MANAGEMENT PERSONNEL SHOULD CHECK PREPAREDNESS REQUIREMENTS. ALL PERSONS ACROSS MINNESOTA SHOULD MONITOR THE LATEST FORECASTS AND WATCH FOR SIGNS OF APPROACHING THUNDERSTORMS. KAVINSKY
Special weather statement, Jul 19, 3:35 PM CDT, 14 minutes before
MNZ004>096-200200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 335 PM CDT TUE JUL 19 1994 ...STRONG THUNDERSTORMS STILL EXPECTED OVER SOUTHEAST MINNESOTA LATE THIS AFTERNOON AND EVENING... VERY MOIST AND UNSTABLE AIR WILL HELP TRIGGER STRONG THUNDERSTORMS OVER PORTIONS OF SOUTHERN AND EASTERN MINNESOTA THE REST OF THE AFTERNOON INTO THE EARLY EVENING. SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. THE BEST CHANCE FOR SEVERE THUNDERSTORMS IS IN EAST CENTRAL AND MUCH OF SOUTHEAST MINNESOTA. THE AREA INCLUDES THE TWIN CITIES...ROCHESTER ...ALBERT LEA AND MANKATO. STRONG THUNDERSTORMS ARE ALSO POSSIBLE OVER THE REST OF EASTERN AND SOUTHERN MINNESOTA THROUGH 8 PM. AT 335 PM...STRONG THUNDERSTORMS HAD DEVELOPED RAPIDLY OVER SOUTH CENTRAL MINNESOTA...NEAR FAIRMONT AND ALBERT LEA. OTHER THUNDERSTORMS WERE NEAR NEW ULM AND PRINCETON. ALL THE STORMS WERE MOVING TO THE EAST AT 30 MPH. THIS IS A POTENTIALLY DANGEROUS SITUATION OVER SOUTHEAST AND PARTS OF EAST CENTRAL MINNESOTA. IT IS A GOOD TIME TO REVIEW YOUR SEVERE WEATHER SAFETY RULES. STAY ABREAST OF THE LATEST FORECASTS FOR YOUR AREA... AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. KAVINSKY
Special weather statement, Jul 19, 3:36 PM CDT, 13 minutes before
MNZ004>096-200200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 335 PM CDT TUE JUL 19 1994 ...STRONG THUNDERSTORMS STILL EXPECTED OVER SOUTHEAST MINNESOTA LATE THIS AFTERNOON AND EVENING... VERY MOIST AND UNSTABLE AIR WILL HELP TRIGGER STRONG THUNDERSTORMS OVER PORTIONS OF SOUTHERN AND EASTERN MINNESOTA THE REST OF THE AFTERNOON INTO THE EARLY EVENING. SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. THE BEST CHANCE FOR SEVERE THUNDERSTORMS IS IN EAST CENTRAL AND MUCH OF SOUTHEAST MINNESOTA. THE AREA INCLUDES THE TWIN CITIES...ROCHESTER ...ALBERT LEA AND MANKATO. STRONG THUNDERSTORMS ARE ALSO POSSIBLE OVER THE REST OF EASTERN AND SOUTHERN MINNESOTA THROUGH 8 PM. AT 335 PM...STRONG THUNDERSTORMS HAD DEVELOPED RAPIDLY OVER SOUTH CENTRAL MINNESOTA...NEAR FAIRMONT AND ALBERT LEA. OTHER THUNDERSTORMS WERE NEAR NEW ULM AND PRINCETON. ALL THE STORMS WERE MOVING TO THE EAST AT 30 MPH. THIS IS A POTENTIALLY DANGEROUS SITUATION OVER SOUTHEAST AND PARTS OF EAST CENTRAL MINNESOTA. IT IS A GOOD TIME TO REVIEW YOUR SEVERE WEATHER SAFETY RULES. STAY ABREAST OF THE LATEST FORECASTS FOR YOUR AREA... AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. KAVINSKY
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 8:13 PM CDT | Severe Thunderstorm Warning | MPX | Stearns | 47 min |
| Jul 19, 1:31 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Sherburne, Stearns | 59 min |
| Jul 19, 1:57 AM CDT | Severe Thunderstorm Warning | MPX | Wright | 48 min |
| Jul 19, 2:26 AM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod | 39 min |
| Jul 19, 2:37 AM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 54 min |
| Jul 19, 4:04 PM CDT | Tornado Warning | MPX | Mille Lacs | 26 min |
| Jul 19, 4:15 PM CDT | Tornado Warning | MPX | Benton | 30 min |
| Jul 19, 4:39 PM CDT | Tornado Warning | MPX | Anoka, Chisago, Isanti | 51 min |
| Jul 19, 5:27 PM CDT | Severe Thunderstorm Warning | MPX | Carver | 48 min |
| Jul 19, 5:31 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 44 min |
| Jul 19, 5:48 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 42 min |
| Jul 19, 6:11 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 49 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.