Alert archive / Iowa / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 67, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 19, 1990, 3:44 AM CDT for Sioux County, Iowa; Lincoln County, South Dakota. It was in force for 56 min. 2 reports 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 19, 1990, 3:44 AM CDT (08:44 UTC)
- Expired
- Jun 19, 1990, 4:40 AM CDT
- In force
- 56 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Sioux County, IA, Lincoln County, SD
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 |
|---|---|---|---|
| Jun 19, 4:15 AM CDT | Thunderstorm Wind 50 | Sioux, IA | |
| Jun 19, 4:30 AM CDT | Tornado F0 | Sioux, 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, 8.7 hours before the alert went out and 207 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
- 3604 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 281 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 KFSD 190849
SVRFSD
IAC167-SDC083-190945-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
344 AM CDT TUE JUN 19 1990
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHWEST IOWA
...NORTHERN SIOUX
IN SOUTHEAST SOUTH DAKOTA
...SOUTHEASTERN LINCOLN
SOME CITIES INCLUDED IN THIS WARNING ARE ROCK VALLEY...PERKINS AND
BOYDEN IOWA AS WELL AS FAIRVIEW SOUTH DAKOTA.
AT 340 AM CDT RADAR INDICATE A CLUSTER OF SEVERE THUNDERSTORMS CENTERED25 MILES SOUTHEAST OF SIOUX FALLS MOVING EAST AT 40 MPH.
IF YOU ARE IN THE PATH OF THIS STORM...YOU SHOULD GET TO A
REINFORCED SHELTER. A SEVERE THUNDERSTORM PRODUCES WINDS IN EXCESS
OF 60 MPH...HAIL 3/4 INCH OR LARGER...DEADLY LIGHTNING...AND HEAVY
RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA.
THUNDERSTORMS CAN AND OCCASIOmNALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.
BLOOMWhat 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 19, 2:55 AM CDT, 49 minutes before
SDZ011-012-018-190830- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HURON SD 250 AM CDT TUE JUN 19 1990 AT 230 AM CDT...NUMEROUS INTENSE THUNDERSTORMS...SOME WITH VERY HEAVY RAIN AND STRONG GUSTY WINDS...CONTINUED OVER MUCH OF EASTERN AND PARTS OF CENTRAL SOUTH DAKOTA. THESE STORMS WERE MOSTLY SOUTHEAST OF A LINE FROM HECLA TO MIDLAND WITH THE STRONGEST STORMS LOCATED 15 MILES SOUTH OF BROOKINGS...JUST SOUTHWEST OF SALEM AND JUST EAST OF FORT THOMPSON. THESE STORMS HAVE PRODUCED VERY HEAVY RAINS...STRONG GUSTY WINDS AND HAIL. PERSONS IN THE I-29 CORRIDOR BETWEEN BROOKINGS AND SIOUX FALLS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. MOVEMENT WAS EAST SOUTHEAST AT 60 MILES AN HOUR. PFEIFFER
Special weather statement, Jun 19, 3:17 AM CDT, 27 minutes before
IAZ004-190900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 316 AM CDT TUE JUN 19 1990 ...STRONG THUNDERSTORMS HAVE DEVELOPED ACROSS EASTERN WOODBURY AND IDA COUNTIES... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WESTERN IOWA...EASTERN NEBRASKA AND SOUTHEAST SOUTH DAKOTA UNTIL 8AM CDT. A FLASH FLOOD WATCH IS IN EFFECT FOR WESTERN IOWA AND EASTERN NEBRASKA TONIGHT. AT 315 AM CDT RADAR SHOWED STRONG THUNDERSTORMS IN A 15 MILE WIDE BAND FROM LEMARS TO BATTLE CREEK IOWA. THE STORMS WERE MOVING EAST AT 40 MPH. THE STORMS MAY PRODUCE SOME SMALL HAIL AND LOCALLY HEAVY RAINFALL. PEOPLE SHOULD STAY ALERT TO CHANGING WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A PLA\CE OF SAFETY IF THREATENING WEATHER APPROACHES. HOPPES
Special weather statement, Jun 19, 3:20 AM CDT, 24 minutes before
SDZALL-190915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 319 AM CDT TUE JUN 19 1990 ...SEVERE THUNDERSTORMS POSSIBLE IN SOUTHEAST SOUTH DAKOTA... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHEAST SOUTH DAKOTA UNTIL 8 AM CDT THIS MORNING. AT 3 AM CDT NUMEROUS THUNDERSTORMS WERE MOVING RAPIDLY EASTWARD ACROSS EASTERN AND PARTS OF SOUTH CENTRAL SOUTH DAKOTA. SOME OF THESE STORMS WERE SEVERE PRODUCING DAMAGING SURFACE WINDS...HAIL AND VERY HEAVY RAIN. TEMPERATURES RANGED FROM 56 AT LEMMON TO 68 AT CHAMBERLAIN. THROUGH 5 AM CDT THUNDERSTORMS SHOULD GRADUALLY BEGIN TAPERING OFF OVER THE NORTHEAST...BUT A FEW THUNDERSTORMS WITH STRONG WINDS...HAIL AND VERY HEAVYC RAIN SHOULD CONTINUE SOUTHEAST. TEMPERATURES WILL BE LITTLE CHANGED OR DROP A FEW DEGREES. BIER
Special weather statement, Jun 19, 3:35 AM CDT, 9 minutes before
SDZALL-190915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 335 AM CDT TUE JUN 19 1990 AT 330 AM CDT A LINE OF INTENSE THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDED ACROSS PARTS OF SOUTHEAST SOUTH DAKOTA AND SOUTHWEST MINN/ ESOTA. THE LINE WAS 20 MILES WIDE AND EXTENDED FROM 35 MILES NORTHEAST OF SIOUX FALLS NEAR PIPESTONE MINNESOTA TO 15 MILES SOUTH OF SIOUX FALLS NEAR LENNOX. THSES STORMS ARE ALSO CAPABLE OF PRODUCING HAYIL AND STRONG WINDS AS MOVE TO THEY MOVE TO THE EAST AT 40 MILES AN HOUR. BIER
Special weather statement, Jun 19, 3:36 AM CDT, 8 minutes before
SDZ018-MNZ017-190935- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 335 AM CDT TUE JUN 19 1990 AT 330 AM CDT A LINE OF INTENSE THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDED ACROSS PARTS OF SOUTHEAST SOUTH DAKOTA AND SOUTHWEST MINN/ ESOTA. THE LINE WAS 20 MILES WIDE AND EXTENDED FROM 35 MILES NORTHEAST OF SIOUX FALLS NEAR PIPESTONE MINNESOTA TO 15 MILES SOUTH OF SIOUX FALLS NEAR LENNOX. THSES STORMS ARE ALSO CAPABLE OF PZRODUCING HAIL AND STRONG WINDS AS MOVE TO THEY MOVE TO THE EAST AT 40 MILES AN HOUR.
Special weather statement, Jun 19, 3:38 AM CDT, 6 minutes before
SDZ018-MNZ017-190935- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 335 AM CDT TUE JUN 19 1990 AT 330 AM CDT A LINE OF INTENSE THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDED ACROSS PARTS OF SOUTHEAST SOUTH DAKOTA AND SOUTHWEST MINN/ ESOTA. THE LINE WAS 20 MILES WIDE AND EXTENDED FROM 35 MILES NORTHEAST OF SIOUX FALLS NEAR PIPESTONE MINNESOTA TO 15 MILES SOUTH OF SIOUX FALLS NEAR LENNOX. THSES STORMS ARE ALSO CAPABLE OF PRODU^CING HAIL AND STRONG WINDS AS THEY MOVE TO THE EAST AT 40 MILES AN HOUR.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 3:11 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 64 min |
| Jun 19, 4:11 AM CDT | Severe Thunderstorm Warning | FSD | Osceola | 46 min |
| Jun 19, 4:24 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 23 min |
| Jun 19, 2:06 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Lake | 69 min |
| Jun 19, 2:27 AM CDT | Severe Thunderstorm Warning | FSD | Mellette, Tripp | 48 min |
| Jun 19, 2:31 AM CDT | Severe Thunderstorm Warning | FSD | Moody | 46 min |
| Jun 19, 2:31 AM CDT | Severe Thunderstorm Warning | FSD | Hanson, McCook | 46 min |
| Jun 19, 2:51 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha, Turner | 69 min |
| Jun 19, 3:58 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 32 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1990Severe Thunderstorm Warnings in South Dakota, 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.