Alert archive / Iowa / Tornado Warnings in 1992
Tornado Warning 20, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jun 16, 1992, 10:00 PM CDT for Sioux County, Iowa. It was in force for 30 min.
The area
The counties it named.
The facts
- Issued
- Jun 16, 1992, 10:00 PM CDT (03:00 UTC)
- Expired
- Jun 16, 1992, 10:30 PM CDT
- In force
- 30 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Sioux County, IA
The nearest sounding before it
Omaha, NE (KOVN), launched 00:00Z, 3.0 hours before the alert went out and 197 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
- 4794 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1163 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 238 m²/s²
- 0-3 km storm-relative helicity
- 449 m²/s²
- Significant tornado parameter
- 8.2
- Supercell composite
- 39.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 170301 TORFSD IAC167-170330- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1000 PM CDT TUE JUN 16 1992 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1030 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES... IN NORTHWEST IOWA ...NORTHEASTERN SIOUX COUNTY AT 955 PM A TORNADO WAS REPORTED ON THE GROUND 2 MILES SOUTH OF HULL IOWA. IT WAS MOVING EAST AT 30 MPH AND WILL MOVE NEAR BOYDEN AND SHELDON BEFORE 1015 PM. 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.
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
Special weather statement, Jun 16, 7:07 PM CDT, 2 hours 53 minutes before
SDZ012-015>020-160100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 705 PM CDT TUE JUN 16 1992 ...TORNADO WATCH FOR EASTERN SOUTH DAKOTA THIS EVENING... A TORNADO WATCH REMAIN IN EFFECT THIS EVENING FOR ALL OF EASTERN SOUTH DAKOTA INCLUDING THE CITY OF SIOUX FALLS. AT 700 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS FROM 100 MILES NORTHWEST OF SIOUX FALLS TO 100 MILES SOUTHWEST OF SIOUX FALLS. THIS LINE WAS MOVING EAST/NORTHEAST AT 35 MPH. THIS LINE IS EXPECTED TO HOLD TOGETHER AS IT MOVES EASTWARD AND MAY ALSO INTENSIFY. AT THE CURRENT SPEED...THIS LINE WILL MOVE THROUGH THE CITY OF SIOUX FALLS BETWEEN 9 PM AND 10 PM CDT. < PERSONS IN THE PATH OF THESE STOARMS SHOULD BE ON THE LOOKOUT FOR TORNADOES...LARGE HAIL...GUSTY WINDS...AND VERY HEAVY RAINS. STAY TUNED TO RADIO OR TV FOR THE LATEST WEATHER DEVELOPMENTS.
Special weather statement, Jun 16, 7:18 PM CDT, 2 hours 42 minutes before
IAZ001-004-005-170115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 718 PM CDT TUE JUN 16 1992 ...A TORNADO WATCH IS IN EFFECT FOR THE SIOUXLAND AREA UNTIL 11 PM CDT... NO THUNDERSTORMS WERE IN THE SIOUXLAND AREA AT 717 PM. HOWEVER THUNDERSTORMS ARE EXPECTED TO MOVE INTO WESTERN IOWA LATER THIS EVENING. SOME STORMS WILL LIKELY PRODUCE DAMAGING WINDS..LARGE HAIL...AND TORNADOES. YOU SHOULD REVIEW SAFETY RULES SO YOU WILL KNOW WHAT ACTION TO TAKE IF A TORNADO OR SEVERE THUNDERSTORM OCCURS OR A WARNING IS ISSUED. STAY TUNED TO YOUR NATIONAL WEATHER SERVICE OR YOUR LOCAL MEDIA FOR THE LATEST STATEMENTS AND ADVISORIES. HOPPES
Local storm report, Jun 16, 7:24 PM CDT, 2 hours 36 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
720 PM CDT TUE JUN 16 1992
STORM DATA FOR TUESDAY JUNE 16 1992
TIME COUNTY CHARACTER OF STORM...DAMAGE
.......................................................................
700 PM GREGORY BONESTEEL WIND GUST TO 60
MPH DOWNED TREES AND
SCHOOL ROOF. 1.12 INCHES
RAIN IN LESS THAN 20 MIN.
SOME GOLF BALL HAIL.
710PM GREGORY HIGH LINE POWER LINES DOWN
o WIND GREATER THAN 60 MPH.Local storm report, Jun 16, 7:40 PM CDT, 2 hours 20 minutes before
STORM REPORT...CORRECTION TO INCLUDE TOWNS
NATIONAL WEATHER SERVICE SIOUX FALLS SD
738 PM CDT TUE JUN 16 1992
STORM DATA FOR TUESDAY JUNE 16 1992
TIME COUNTY CHARACTER OF STORM...DAMAGE
.......................................................................
700 PM GREGORY BONESTEEL WIND GUST TO 60
MPH DOWNED TREES AND
SCHOOL ROOF. 1.12 INCHES
RAIN IN LESS THAN 20 MIN.
SOME GOLF BALL HAIL.
710PM GREGORY FAIRFAX...HIGH LINE POWER
LINES DOWN..WIND TO 60 MPH.Special weather statement, Jun 16, 7:43 PM CDT, 2 hours 17 minutes before
SDZ012-015>020-160130-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
740 PM CDT TUE JUN 16 1992
...TORNADO WATCH FOR EASTERN SOUTH DAKOTA THIS EVENING...
AT 735 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM
85 MILES SOUTHWEST OF SIOUX FALLS TO 100 MILES NORTHWEST OF SIOUX FALLS.
THIS LINE WAS MOVING NORTHEAST AT 35 MPH.
AHEAD OF THIS LINE...THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL HAIL
WERE DEVELOPING IN HUTCHINSON AND BON-HOMME COUNTIES OF SOUTH DAKOTA.
OTHER THUNDERSTORMS WITH VERY HEAVY RAIN AND HAIL WERE LOCATED IN
BROOKINGS COUNTY. THESE STORMS WERE ALSO MOVING NORTHEAST AT 35 MILES
PER AN HOUR.
AT THE CURRENT SPEED...THIS LINE WILL MOVE THROUGH THE CITY OF SIOUX
FALLS BETWEEN 9 PM AND 10 PM CDT.
<
SEVERAL REPORTS OF TORNADOES...LARGE HAIL...AND VERY HEAVY RAINS
HAVE BEEN RECEIVED BY THE NATIONAL WEATHER SERVICE DURING THE
EVENING.
PERSONS IN THE PATH OF THESE STORMS SHOULD BE O{N THE LOOKOUT FOR
TORNADOES...LARGE HAIL...GUSTY WINDS...AND VERY HEAVY RAINS.
STAY TUNED TO RADIO OR TV FOR THE LATEST WEATHER DEVELOPMENTS.
GEELHARTSpecial weather statement, Jun 16, 8:36 PM CDT, 1 hour 24 minutes before
IAZ001-004-005-170215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 836 PM CDT TUE JUN 16 1992 ...A TORNADO WATCH IS IN EFFECT FOR THE SIOUXLAND AREA UNTIL 11 PM CDT... THUNDERSTORMS WERE BEGINNING TO DEVELOP SOUTH OF SIOUX CITY OR 5 MILES SOUTH OF ONAWA IOWA AT 836 PM. MOVEMENT WAS NORTHEAST AT 40 MILES AN HOUR. IF THREATENING WEATHER APPROACHES YOU SHOULD BE PREPARED TO MOVE TO A SAFE PLACE QUICKLY. STAY TUNED TO YOUR NATIONAL WEATHER SERVICE OR YOUR LOCAL MEDIA FOR THE LATEST STATEMENTS AND ADVISORIES. HOPPES
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 9:16 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 44 min |
| Jun 16, 9:34 PM CDT | Tornado Warning | FSD | Lyon | 41 min |
| Jun 16, 10:16 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Monona | 59 min |
| Jun 16, 10:18 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 17 min |
| Jun 16, 10:26 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 64 min |
| Jun 16, 10:51 PM CDT | Tornado Warning | FSD | Ida | 24 min |
| Jun 16, 11:06 PM CDT | Tornado Warning | FSD | O'Brien | 24 min |
| Jun 16, 11:29 PM CDT | Severe Thunderstorm Warning | FSD | Monona | 31 min |
Nearby
Tornado Warnings in Iowa, 1992Every tornado warning in 1992Tornadoes in 1992
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.