Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 112, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 18, 1994, 6:02 PM CDT for Nobles County, Minnesota. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Jul 18, 1994, 6:02 PM CDT (23:02 UTC)
- Expired
- Jul 18, 1994, 6:45 PM CDT
- In force
- 43 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Nobles County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 11.0 hours before the alert went out and 216 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
- 1309 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 134 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 KFSD 182303 RRA SVRFSD MNC105-182345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 602 PM CDT MON JUL 18 1994 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST MINNESOTA ...NOBLES COUNTY AT 558 PM CDT RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM IN SOUTHERN MURRAY COUNTY MOVING SOUTHEAST INTO NORTHWEST NOBLES COUNTY. THE STORM WAS LOCATED ABOUT 20 MILES NORTHWEST OF WORTHINGTON AND WAS MOVING SOUTHEAST AT 15 MILES AN HOUR. THE STROM WILL MOVE INTO LEOTA BY 615 PM CDT AND WILMONT BY 625 PM CDT. PERSONS IN THE PATH OF THIS STORM CAN EXPECT LARGE HAIL AND VERY HEAVY RAINS. PEOPLE NEAR THE STORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY FROM WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS...DON'T DRIVE INTO FLOODED CROSSINGS. MED
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, Jul 18, 2:30 PM CDT, 3 hours 32 minutes before
STORM REPORT NATIONAL WEATHER SERVICE HURON SD 230 PM CDT MON JUL 18 1994 STORM DATA FOR JUL 18 1994 TIME COUNTY...LOCATION CHARACTER OF STORM...DAMAGE 625 AM CDT HYDE CO...2 SE SPRING LAKE GOLF BALL SIZE HAIL 630 AM CDT HYDE CO...1 N LAKE MITCHELL 3/4 INCH SIZE HAIL 635 AM CDT HYDE CO...16 N HIGHMORE 2 INCH SIZE HAIL 730 AM CDT HYDE CO...HIGHMORE GOLF BALL SIZE HAIL 752 AM CDT HYDE CO...HIGHMORE & 25N GOLF BALL SIZE HAIL 755 AM CDT HAND CO...1/2 S REE HEIGHTS GOLF BALL SIZE HAIL 825 AM CDT HAND CO...10 S MILLER GOLF BALL SIZE HAIL MILLER
Special weather statement, Jul 18, 5:14 PM CDT, 48 minutes before
IAZ021-032-043-013-020-031-NEZ014-013-015-SDZ071-182315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 512 PM CDT MON JUL 18 1994 ...SCATTERED THUNDERSTORMS WILL BE NORTHEAST OF SIOUX CITY... AT 506 PM CDT SEVERE THUNDERSTORMS WERE LOCATED IN EXTREME SOUTHWEST MINNESOTA. MOVEMENT OF THE STORMS WAS SOUTHEAST AT 30 MILES AN HOUR. THESE STORMS WILL BE NORTHEAST OF SIOUX CITY AND COULD CLIP OBRIEN COUNTY BETWEEN 6 AND 630 PM. PEOPLE IN OBRIEN COUNTY SHOULD BE ON THE LOOKOUT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND LISTEN FOR LATER WEATHER STATEMENTS. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM CDT FOR SIOUX...OBRIEN...PLYMOUTH...CHEROKEE...WOODBURY...AND IDA COUNTIES IN NORTHWEST IOWA. MICHELS
Special weather statement, Jul 18, 5:18 PM CDT, 44 minutes before
IAZ021-032-043-013-020-031-NEZ014-013-015-SDZ071-182315- SPECIAL WEATHER STATEMENT...ADDED UNION COUNTY NATIONAL WEATHER SERVICE SIOUX CITY IA 518 PM CDT MON JUL 18 1994 ...SCATTERED THUNDERSTORMS WILL BE NORTHEAST OF SIOUX CITY... AT 506 PM CDT SEVERE THUNDERSTORMS WERE LOCATED IN EXTREME SOUTHWEST MINNESOTA. MOVEMENT OF THE STORMS WAS SOUTHEAST AT 30 MILES AN HOUR. THESE STORMS WILL BE NORTHEAST OF SIOUX CITY AND COULD CLIP OBRIEN COUNTY BETWEEN 6 AND 630 PM. PEOPLE IN OBRIEN COUNTY SHOULD BE ON THE LOOKOUT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND LISTEN FOR LATER WEATHER STATEMENTS. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM CDT FOR SIOUX...OBRIEN...PLYMOUTH...CHEROKEE...WOODBURY...AND IDA COUNTIES IN NORTHWEST IOWA. UNION COUNTY IN SOUTH DAKOTA IS ALSO UNDER THE SEVERE THUNDERSTORM WATCH. MICHELS
Special weather statement, Jul 18, 5:19 PM CDT, 43 minutes before
IAZ021-032-043-013-020-031-NEZ014-013-015-SDZ071-182315- SPECIAL WEATHER STATEMENT...ADDED UNION COUNTY NATIONAL WEATHER SERVICE SIOUX CITY IA 518 PM CDT MON JUL 18 1994 ...SCATTERED THUNDERSTORMS WILL BE NORTHEAST OF SIOUX CITY... AT 506 PM CDT SEVERE THUNDERSTORMS WERE LOCATED IN EXTREME SOUTHWEST MINNESOTA. MOVEMENT OF THE STORMS WAS SOUTHEAST AT 30 MILES AN HOUR. THESE STORMS WILL BE NORTHEAST OF SIOUX CITY AND COULD CLIP OBRIEN COUNTY BETWEEN 6 AND 630 PM. PEOPLE IN OBRIEN COUNTY SHOULD BE ON THE LOOKOUT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND LISTEN FOR LATER WEATHER STATEMENTS. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM CDT FOR SIOUX...OBRIEN...PLYMOUTH...CHEROKEE...WOODBURY...AND IDA COUNTIES IN NORTHWEST IOWA. UNION COUNTY IN SOUTH DAKOTA IS ALSO UNDER THE SEVERE THUNDERSTORM WATCH. MICHELS
Special weather statement, Jul 18, 5:45 PM CDT, 17 minutes before
SDZ033>037-045-048-051>052-182345
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HURON SD
545 PM CDT MON JUL 18 1994
...TORNADO WATCH FOR NORTH CENTRAL...CENTRAL AND SOUTH CENTRAL
SOUTH DAKOTA UNTIL 10 PM CDT...
AT 545 PM CDT...VERY STRONG THUNDERSTORMS ARE BEGINNING TO MOVE INTO
PARTS OF NORTHCENTRAL...CENTRAL AND SOUTH CENTRAL SOUTH DAKOTA.
THE THUNDERSTORMS ARE MOVING TO THE EAST AT 25 MILES AN HOUR.
THESE STORMS CAN BE EXPECTED TO CONTAIN VERY HEAVY RAIN...SMALL HAIL
AND STRONG GUSTY WINDS. RESIDENTS ARE URGED TO BE PREPARED FOR
POSSIBLE SEVERE WEATHER.
MILLERSpecial weather statement, Jul 18, 5:52 PM CDT, 10 minutes before
SDZ033>037-045-048-051>052-182345
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HURON SD
545 PM CDT MON JUL 18 1994
...TORNADO WATCH FOR NORTH CENTRAL...CENTRAL AND SOUTH CENTRAL
SOUTH DAKOTA UNTIL 10 PM CDT...
AT 545 PM CDT...VERY STRONG THUNDERSTORMS ARE BEGINNING TO MOVE INTO
PARTS OF NORTHCENTRAL...CENTRAL AND SOUTH CENTRAL SOUTH DAKOTA.
THE THUNDERSTORMS ARE MOVING TO THE EAST AT 25 MILES AN HOUR.
THESE STORMS CAN BE EXPECTED TO CONTAIN VERY HEAVY RAIN...SMALL HAIL
AND STRONG GUSTY WINDS. RESIDENTS ARE URGED TO BE PREPARED FOR
POSSIBLE SEVERE WEATHER.
MILLERThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 2:22 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 38 min |
| Jul 18, 2:22 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 32 min |
| Jul 18, 2:58 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Murray | 47 min |
| Jul 18, 3:13 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 32 min |
| Jul 18, 3:48 PM CDT | Severe Thunderstorm Warning | FSD | Cottonwood, Murray | 42 min |
| Jul 18, 3:52 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 48 min |
| Jul 18, 4:31 PM CDT | Severe Thunderstorm Warning | FSD | Jackson | 44 min |
| Jul 18, 4:34 PM CDT | Severe Thunderstorm Warning | FSD | Murray, Pipestone | 41 min |
| Jul 18, 5:07 PM CDT | Tornado Warning | FSD | Jackson | 38 min |
| Jul 18, 5:16 PM CDT | Severe Thunderstorm Warning | FSD | Murray, Pipestone | 29 min |
| Jul 18, 5:18 PM CDT | Severe Thunderstorm Warning | FSD | Nobles | 42 min |
| Jul 18, 5:48 PM CDT | Severe Thunderstorm Warning | FSD | Murray | 21 min |
| Jul 18, 5:54 PM CDT | Severe Thunderstorm Warning | FSD | Jackson | 28 min |
| Jul 18, 6:46 PM CDT | Severe Thunderstorm Warning | FSD | Nobles | 29 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.