Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 171, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 7, 1994, 6:54 PM CDT for Scott County, Sibley County, Minnesota. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- Aug 7, 1994, 6:54 PM CDT (23:54 UTC)
- Expired
- Aug 7, 1994, 7:30 PM CDT
- In force
- 36 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Scott County, MN, Sibley County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 11.9 hours before the alert went out and 34 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1220 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 171 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 072354 RRA SVRMSP MNC143-139-080030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 654 PM CDT SUN AUG 7 1994 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MINNESOTA ...EASTERN SIBLEY COUNTY IN EAST CENTRAL MINNESOTA ...WESTERN SCOTT COUNTY AT 650 PM..RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTHWEST OF COLOGNE OR 20 MILES WEST SOUTHWEST OF MINNEAPOLIS. THE THUNDERSTORM WAS MOVING TO THE SOUTH AT 15 TO 20 MILES AN HOUR. COMMUNITIES IN THE PATH OF THIS SEVERE THUNDERSTORM INCLUDE NEW PRAGUE AND JORDAN IN SCOTT COUNTY...HENDERSON AND NEW ROME IN SIBLEY COUNTY. 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. SCOTT/SCHALLER
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
Local storm report, Aug 7, 5:30 PM CDT, 1 hour 24 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
530 PM CDT AUG 7 1994
TIME EVENT
430 PM 3/4 INCH HAIL AT SULLIVAN LAKE RESORT IN MORRISON
COUNTY...25 MILES NORTHEAST OF LITTLE FALLS.
520 PM GOLF BALL SIZE HAIL (13/4 INCH) HAIL AT WOOD LAKE
IN YELLOW MEDICINE COUNTY...10 MILES SOUTH OF GRANITE
FALLS.
FRASERSpecial weather statement, Aug 7, 6:08 PM CDT, 46 minutes before
MNZ041-042-046>048-072345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 608 PM CDT SUN AUG 7 1994 ...PORTION OF WEST CENTRAL MINNESOTA CLEARED FROM SEVERE THUNDERSTORM WATCH... A PORTION OF WEST CENTRAL MINNESOTA HAS BEEN CLEARED FROM THE SEVERE THUNDERSTORM WATCH ISSUED ABOUT 330 PM THIS AFTERNOON. THE COUNTIES CLEARED FROM THE WATCH ARE TODD...DOUGLAS...POPE...STEVENS...AND BIG STONE. THE REMAINDER OF CENTRAL MINNESOTA INCLUDING THE TWIN CITIES ARE STILL UNDER A SEVERE THUNDERSTORM WATCH UNTIL 10 PM. ALL OF SOUTHERN MINNESOTA INCLUDING ROCHESTER IS UNDER A SEVERE THUNDERSTORM WATCH UNTIL 1 AM. KAVINSKY
Special weather statement, Aug 7, 6:10 PM CDT, 44 minutes before
MNZ041-042-046>048-072345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 608 PM CDT SUN AUG 7 1994 ...PORTION OF WEST CENTRAL MINNESOTA CLEARED FROM SEVERE THUNDERSTORM WATCH... A PORTION OF WEST CENTRAL MINNESOTA HAS BEEN CLEARED FROM THE SEVERE THUNDERSTORM WATCH ISSUED ABOUT 330 PM THIS AFTERNOON. THE COUNTIES CLEARED FROM THE WATCH ARE TODD...DOUGLAS...POPE...STEVENS...AND BIG STONE. THE REMAINDER OF CENTRAL MINNESOTA INCLUDING THE TWIN CITIES ARE STILL UNDER A SEVERE THUNDERSTORM WATCH UNTIL 10 PM. ALL OF SOUTHERN MINNESOTA INCLUDING ROCHESTER IS UNDER A SEVERE THUNDERSTORM WATCH UNTIL 1 AM. KAVINSKY
Local storm report, Aug 7, 6:18 PM CDT, 36 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
620 PM CDT AUG 7 1994
TIME EVENT
430 PM 3/4 INCH HAIL AT SULLIVAN LAKE RESORT IN MORRISON
COUNTY...25 MILES NORTHEAST OF LITTLE FALLS.
520 PM GOLF BALL SIZE HAIL (13/4 INCH) HAIL AT WOOD LAKE
IN YELLOW MEDICINE COUNTY...10 MILES SOUTH OF GRANITE
FALLS.
538 PM BRIEF TORNADO TOUCHDOWN SOUTH OF BLOMKEST ON THE
KANDIYOHI/RENVILLE COUNTIES BORDER...15 MILES SOUTH OF
WILLMAR.
MCBEATH PETERSThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 4:44 PM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs | 61 min |
| Aug 7, 5:12 PM CDT | Severe Thunderstorm Warning | MPX | Meeker | 63 min |
| Aug 7, 5:17 PM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 43 min |
| Aug 7, 5:27 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 48 min |
| Aug 7, 5:40 PM CDT | Tornado Warning | MPX | Kandiyohi | 35 min |
| Aug 7, 5:47 PM CDT | Tornado Warning | MPX | Renville | 28 min |
| Aug 7, 6:22 PM CDT | Severe Thunderstorm Warning | MPX | Renville | 38 min |
| Aug 7, 6:35 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 25 min |
| Aug 7, 6:44 PM CDT | Severe Thunderstorm Warning | MPX | Brown, 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.