Alert archive / Iowa / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 56, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 16, 1992, 11:29 PM CDT for Monona County, Iowa. It was in force for 31 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 16, 1992, 11:29 PM CDT (04:29 UTC)
- Expired
- Jun 17, 1992, 12:00 AM CDT
- In force
- 31 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Monona County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 16, 11:55 PM CDT | Thunderstorm Wind 50 | Monona, IA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Omaha, NE (KOVN), launched 00:00Z, 4.5 hours before the alert went out and 88 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 KSUX 170429
SVRSUX
IAC133-170500-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX CITY IA
1129 PM CDT TUE JUN 16 1992
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1200 AM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE WEST CENTRAL PART OF IOWA
MONONA
AT 1127 PM CDT SEVERE THUNDERSTORMS WERE LOCATED FROM ONAWA IOWA
TO 30 MILES SOUTHEAST OF SIOUX CITY. MOVEMENT WAS EAST AT 40 MILES
AN HOUR.
THE THUNDERSTORMS WILL MOVE INTO MAPLETON AND CASTANA IOWA BY
1145 PM CDT.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING...SO BE ON THE LOOKOUT. IF A
TORNADO IS SIGHTED GO TO A BASEMENT SHELTER OR INTERIOR ROOM ON
LOWEST FLOOR. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED
BUILDING.
ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR REPORTS
OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE.
HOPPESWhat 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
Special weather statement, Jun 16, 8:36 PM CDT, 2 hours 53 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
Local storm report, Jun 16, 10:10 PM CDT, 1 hour 19 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX CITY IA
2207 PM CDT TUE JUN 16 1992
TIME EVENT AND LOCATION
2126 CDT 1/2 TO 1 INCH HAIL 2 MI WEST OF BERESFORD IN UNION COUNTY
SOUTH DAKOTA...SPOTTER.
2148 CDT PLYMOUTH COUNTY SHERIFF REPORTS MARBLE SIZE HAIL AT
AKRON. WALL CLOUD 9 MILES WEST OF LE MARS AND ANOTHER
AT KINGSLEY.
2125 CDT 40 TO 50 MPH WIND GUSTS AT PONCA...DIXON COUNTY NEB.
2125 CDT SIOUX CITY FAA CONTROL TOWER REPORTS CLASIC HOOK ECHO
19 NORTHWEST OF SIOUX GATEWAY AIRPORT.
2118 CDT SPOTTER REPORTS FUNNEL CLOUD N OF NEWCASTLE NEB.
2204 CDT SPOTTER REPORTS FUNNEL CLOUD 2 SOUTHEAST OF SOLDIER
IN MONONA CO IA.
J QUINNLocal storm report, Jun 16, 10:33 PM CDT, 56 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1030 PM CDT WED JUN 16 1992
STORM DATA FOR JUNE 16 1992
TIME COUNTY...LOCATION AND STATE CHARACTER OF STORM...DAMAGE
.......................................................................
901 PM CDT PARKER...LENNOX SD 70 MPH WIND GUSTS
905 PM CDT MINNEHAHA...COLTON SD ROOF TORN OFF 4 HOUSES...
POSSIBLE TORNADO...POWER
LINES DOWN
916 PM CDT BROOKINGS...BROOKINGS SD FUNNEL CLOUD SOUTHWEST OF
TOWN...VERY HEAVY RAIN...
WIND GUSTS OVER 60MPH
930 PM CDT LINCOLN...2SE FAIRVIEW SD POSSIBLE TORNADO
948 PM CDT MCCOOK...BRIDGEWATER SD CHEMICAL BUILDING DES-
TROYED...$300,000-400,000
DAMAGE
955 PM CDT SIOUX...2S HULL IA TORNADO ON GROUND
1002 PM CDT PIPESTONE...PIPESTONE MN BARN AND SHED BLOWN DOWN
IN NORTHEAST PART OF
D COUNTY..POWER LINES DOWN
GEELHARTSpecial weather statement, Jun 16, 10:38 PM CDT, 51 minutes before
SDZ012-015>020-MNZ017-170500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1040 PM CDT TUE JUN 16 1992 ...TORNADO WATCH CANCELED IN EASTERN SOUTH DAKOTA... THE TORNADO WATCH FOR EASTERN SOUTH DAKOTA HAS BEEN CANCELED. SEVERE THUNDERSTORMS HAVE MOVED ON INTO IOWA AND MINNESOTA WHERE TORNADO WATCHES REMAIN IN EFFECT. UMLAND
Special weather statement, Jun 16, 10:59 PM CDT, 30 minutes before
SDZ004-005-011-012-170430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1100 PM CDT TUE JUN 16 1992 ...FLOOD WATCH CACANCELED FOR PART OF NORTHEAST SOUTH DAKOTA... THE FLOOD WATCH HAS BEEN CANCELLED FOR HAND...BEADLE...KINGSBURY... SANBORN...MINER...JERAULD...SOUTHERN SPINK AND SOUTHERN CLARK COUNTIES OF NORTHEAST/EASTCENTRAL SOUTH DAKOTA. THE HEAVY THUNDERSTORMS HAVE MOVED OUT OF THESE COUNTIES AND THE THREAT OF FLOODING HAS SUBSIDED. THE REMAINDER OF NORTHEAST SOUTH DAKOTA REMAINS IN THE FLOOD WATCH UNTIL 1 AM CDT.
Special weather statement, Jun 16, 11:12 PM CDT, 17 minutes before
SDZ018-IAZ001-MNZ017-170445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1110 PM CDT TUE JUN 16 1992 ...LINE OF THUNDERSTORMS MOVING THROUGH SOUTHWEST MINNESOTA AND NORTHWEST IOWA... AT 1105 PM CDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM 85 MILES NORTHEAST OF SIOUX FALLS NEAR JEFFERS MINNESOTA TO 55 MILES SOUTHEAST OF SIOUX FALLS NEAR ALTON IOWA. THIS LINE WAS MOVING EAST AT 30 MPH. THESE STORMS ARE CAPABLE $OF PRODUCING STRONG WINDS...HEAVY RAIN AND HAIL. PERSONS ACROSS NORTHWEST IOWA AND SOUTHWEST MINNESOTA SHOULD KEEP ABREAST OF THE WEATHER SITUATION AND BE PREPARED TO TAKE ACTION IF THREATENING WEATHER APPROACHES OR IF A WARNING IS ISSUED.
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, 10:00 PM CDT | Tornado Warning | FSD | Sioux | 30 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 |
Nearby
Severe Thunderstorm Warnings in Iowa, 1992Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.