Alert archive / Iowa / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 3, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Mar 13, 1990, 10:47 PM CST for Monona County, Iowa. It was in force for 18 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
- Mar 13, 1990, 10:47 PM CST (04:47 UTC)
- Expired
- Mar 13, 1990, 11:05 PM CST
- In force
- 18 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Monona County, IA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 13, 11:00 PM CST | 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 (KOAX), launched 00:00Z, 4.8 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3595 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSUX 140449
SVRSUX
IAC133-140515-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX CITY IA
1047 PM CST TUE MAR 13 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1115 PM CST FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE WEST CENTRAL PART OF IOWA
EASTERN MONONA
AT 145 PM CST RADAR INDICATED STRONG THUNDERSTORMS IN SOUTHERN
MONONA COUNTY. MOVEMENT WAS NORTHEEAST AT 30 MPH. AT 1030 PM THE
PUBLIC REPORTED WINDS UP TO 80 MPH IN LITTLE SIOUX IOWA IN
HARRISON COUNTY. PERSONS IN THE MAPLETON AREA ARE IN THE PATH OF
THESE STORMS AND SHOULD TAKE SHELTER IMMEDIATELY.
REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE DAMAGING WINDS IN EXCESS
OF 60 MPH...LARGE HAIL...DEADLY LIGHTNING...AND HEAVY RAINS THAT CAN
QUICKLY FLOOD LOW LYING AREAS. IF YOU ARE IN THE PATH OF THIS STORM
TAKE SHELTER IN A REINFORCED BUILDING IMMEDIATELY.
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.
DROZDWhat 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, Mar 13, 9:10 PM CST, 1 hour 37 minutes before
SDZ020-140400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 908 PM CST TUE MAR 13 1990 AT 900 PM CST A VERY STRONG THUNDERSTORM WAS LOCATED 5 MILES SOUTH OF VERMILLION SOUTH DAKOTA OR ABOUT HALF WAY BETWEEN SIOUX CITY IOWA AND YANKTON SOUTH DAKOTA. THE THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 35 TO 40 MPH AND WILL MOVE INTO SOUTHEAST CLAY COUNTY BY 910 PM CST THEN INTO UNION COUNTY SOUTH DAKOTA NORTH OF ELK POINT. THIS THUNDERSTORM MAY PRODUCE GUSTY WINDS OF 40 TO 50 MPH...VERY HEAVY RAIN...POSSIBLY SOME SMALL HAIL AND VERY DANGEROUS LIGHTNING. PERSONS IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBLITY OF SEVERE WEATHER IN THEIR AREA AS THIS STORM MOVES TO THE NORTHEAST AND TAKE PRECAUTIONS TO PROTECT LIFE AND PROPERTY AS NECESSARY. DIRCKSEN 0308Z
Special weather statement, Mar 13, 9:38 PM CST, 1 hour 9 minutes before
SDZ003-004-009-010-14-15-140415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 935 PM MST TUE MAR 13 1990 ...A WINTER STORM TO AFFECT CENTRAL AND PARTS OF NORTHEAST AND SOUTHWEST SOUTH DAKOTA LATE TONIGHT AND WEDNESDAY... THE NATIONAL WEATHER SERVICE HAS ISSUED A SNOW ADVISORY FOR EXTREME SOUTHWEST AND CENTRAL SNOW DAKOTA TONIGHT. A WINTER STORM WATCH HAS BEEN POSTED FOR THE CENTRAL THIRD OF SOUTH DAKOTA AND ADJACENT PARTS OF THE SOUTHWEST AND NORTHEAST FOR WEDNESDAY. SNOW IS EXPECTED TO CONTINUE OVER EXTREME SOUTHWEST SOUTH DAKOTA TONIGHT WHERE 3 TO 6 INCHES OF ACCUMULATIONS ARE POSSIBLE. SNOWFALL SO FAR HAS GENERALLY BEEN 1 TO 3 INCHES WITH REPORTED AMOUNTS OF...MARTIN 1 INCH ...PINE RIDGE 2 TO 3 INCHES AND INTERIOR 4 INCHES. RAIN AND SNOW IS EXPECTED TO CHANGE TO ALL SNOW IN CENTRAL AREAS TONIGHT WITH ACCUMULATIONS OF 2 TO 4 INCHES. IN THE NORTHEAST RAIN AND SNOW WILL CHANGE TO ALL SNOW LATE TONIGHT WITH 1 TO 2 INCHES OF SNOW EXPECTED. WEDNESDAY SNOW IS EXPECTED TO CONTINUE FROM THE SOUTHWEST TO NORTHEAST AND IT MAY BE HEAVY AT TIMES. THE SNOW ALONG WITH STRONG WINDS CAUSING BLOWING AND DRIFTING SNOW MAY PRODUCE HAZARDOUS CONDITIONS. PEOPLE ARE ADVISED TO LISTEN FOR LATER FORECAST AND POSSIBLE WARNING CONCERNING THE WINTER STORM AFFECTING SOUTH DAKOTA. BEHREND
Special weather statement, Mar 13, 10:14 PM CST, 33 minutes before
IAZ004-140500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 1015 PM CST TUE MAR 13 1990 ...STRONG THUNDERSTORMS CONTINUE IN SIOUXLAND AREA... AT 1015 PM CST RADAR INDICATED STRONG THUNDERSTORMS IN NORTHEAST NEBRASKA. ONE STORM WAS JUST SOUTH OF WATERBURY OR 15 MILES WEST OF SIOUX CITY. MOVEMENT WAS NORTHEAST AT 30 MPH. OTHER STRONG STORMS WILL BE MOVING INTO THE SIOUXLAND AREA FROM THE SOUTHWEST OVER THE NEXT HOUR. THESE THUNDERSTORMS HAVE PRODUCED HEAVY RAINS..SMALL HAIL AND GUSTY WINDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT FOR THE SIOUXLAND AREA. DROZD
Special weather statement, Mar 13, 10:23 PM CST, 24 minutes before
SDZALL-140515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1021 PM CST TUE MAR 13 1990 ...A WINTER STORM TO AFFECT CENTRAL AND PARTS OF NORTHEAST AND SOUTHWEST SOUTH DAKOTA LATE TONIGHT AND WEDNESDAY... THE NATIONAL WEATHER SERVICE HAS ISSUED A SNOW ADVISORY FOR EXTREME SOUTHWEST AND CENTRAL SNOW DAKOTA TONIGHT. A WINTER STORM WATCH HAS BEEN POSTED FOR THE CENTRAL THIRD OF SOUTH DAKOTA AND ADJACENT PARTS OF THE SOUTHWEST AND NORTHEAST FOR WEDNESDAY. AT 10 PM CST SCATTERED AREAS OF LIGHT SNOW WERE CONTINUING OVER WESTERN SOUTH DAKOTA. IN CENTRAL AREAS RAIN AND SNOW WAS CHANGING OVER TO ALL LIGHT SNOW. THE NORTHEAST HAD RAIN AND SNOW MIXED WHILE THE SOUTHEAST HAD SHOWERS AND THUNDERSTORMS. TEMPERATURES RANGED FROM 26 AT CUSTER TO 42 AT SIOUX FALLS THROUGH MIDNIGHT CST...SCATTERED SNOW WILL CONTUINE IN THE WEST AND CENTRAL WITH MOST OF THE SNOW IN THE SOUTHWEST AND CENTRAL. RAIN AND SNOW MIXED WILL BE IN THEH NORTHEAST WITH THE SOUTHEAST HAVING SHOWERS AND THUNDERSTORMS. LOCALLY HEAVY RAIN IS POSSIBLE IN THE EXTREME SOUTHEAST. TEMPERATURES WILL LOWER 1 TO 3 DEGREES. BEHREND
Special weather statement, Mar 13, 10:30 PM CST, 17 minutes before
IAZ004-140500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 1030 PM CST TUE MAR 13 1990 ...STRONG THUNDERSTORMS CONTINUE IN SIOUXLAND AREA... AT 1025 PM CST RADAR INDICATED STRONG THUNDERSTORMS IN SIOUXLAND AREA ONE LINE OF STORMS EXTENDED FROM AKRON IOWA TO SOUTHERN DIXON COUNTY IN NEBRASKA. MOVEMENT WAS NORTHEAST AT 30 MPH. OTHER STRONG STORMS WERE IN THURSTON COUNTY AND WILL BE ENTERING SOUTHWEST WOODBURY COUNTY. A POSSIBLE TORNADO DAMAGED A HOUSE IN ROSALIE NEBRASKA OR 30 MILES SOUTH OF SIOUX CITY. A TORNADO WATCH REMAINS IN EFFECT FOR THE SIOUXLAND AREA UNTIL MIDNIGHT. DROZD
Local storm report, Mar 13, 10:33 PM CST, 14 minutes before
SEVERE LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX CITY IA
10:33 PM CST TUE MAR 13 1990
TIME OBRIEN COUNTY IOWA
10:01 PM A TORNADO TOUCHED DOWN BRIEFLY AT ROSALIE NEBRASKA...IN
THURSTON COUNTY. DAMAGE TO ONE HOUSE. NO INJURIES REPORTED.
QUINN
SHERLINNearby
Severe Thunderstorm Warnings in Iowa, 1990Every severe thunderstorm warning in 1990
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.