Alert archive / Minnesota / Tornado Warnings in 1994
Tornado Warning 15, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jul 18, 1994, 5:07 PM CDT for Jackson County, Minnesota. It was in force for 38 min.
The area
The counties it named.
The facts
- Issued
- Jul 18, 1994, 5:07 PM CDT (22:07 UTC)
- Expired
- Jul 18, 1994, 5:45 PM CDT
- In force
- 38 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Jackson County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 10.1 hours before the alert went out and 180 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 182207 TORFSD MNC063-182245- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 507 PM CDT MON JUL 18 1994 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 545 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST MINNESOTA ...SOUTHERN JACKSON COUNTY AT 502 PM CDT NATIONAL WEATHER SERVICE AND JACKSON COUNTY SPOTTERS REPORTED A FUNNEL CLOUD 7 MILES SOUTH OF LAKEFIELD...OR 20 MILES EAST OF WORTHINGTON. THE PARENT THUNDERSTORM WAS MOVING SOUTHEAST AT 20 MPH. IF YOU LIVE IN A HOME OR APARTMENT...SEEK SHELTER IN THE INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR. IF YOU LIVE IN A MOBILE HOME...ABANDON IT FOR A STRONGER SHELTER. HEITKAMP &
What forecasters said that day
The local office's own words before this tornado 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, 2:09 PM CDT, 2 hours 58 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
Local storm report, Jul 18, 2:30 PM CDT, 2 hours 37 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
The 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, 5:16 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, 6:02 PM CDT | Severe Thunderstorm Warning | FSD | Nobles | 43 min |
| Jul 18, 6:46 PM CDT | Severe Thunderstorm Warning | FSD | Nobles | 29 min |
Nearby
Tornado Warnings in Minnesota, 1994Every tornado warning in 1994Tornadoes 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.