Alert archive / South Dakota / Tornado Warnings in 1994
Tornado Warning 16, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jul 18, 1994, 5:32 PM CDT for Todd County, South Dakota. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Jul 18, 1994, 5:32 PM CDT (22:32 UTC)
- Expired
- Jul 18, 1994, 6:00 PM CDT
- In force
- 28 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Todd County, SD
The nearest sounding before it
Rapid City, SD (KRAP), launched 12:00Z, 10.5 hours before the alert went out and 199 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
- 993 J/kg
- Mixed-layer CIN
- -252 J/kg
- Mixed-layer LCL
- 2143 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 73 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 182232 TORFSD SDC121-182300- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 532 PM CDT (432 PM MDT) MON JUL 18 1994 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 600 PM CDT (500 PM MDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL SOUTH DAKOTA ...WESTERN TODD COUNTY AT 530 PM CDT LAW ENFORCEMENT OFFICIALS REPORTED A TORNADO NEAR THE TOWN OF PARMELEE...WHICH IS ABOUT 40 MILES NORTHWEST OF VALENTINE. THE TORNADO WAS MOVING EAST AT 15 MILES AN HOUR. 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. TAKE COVER NOW. MENTZER &
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, 3 hours 23 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, 3 hours 2 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, 18 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, 14 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, 13 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
Nearby
Tornado Warnings in South Dakota, 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.