Alert archive / South Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 51, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 16, 1990, 5:21 PM CDT for Clay County, South Dakota. It was in force for 39 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, 1990, 5:21 PM CDT (22:21 UTC)
- Expired
- Jun 16, 1990, 6:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Clay 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 16, 6:10 PM CDT | Tornado F1 | Clay, SD |
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 12:00Z, 10.4 hours before the alert went out and 184 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
- 3656 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 241 m²/s²
- 0-3 km storm-relative helicity
- 237 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 162221
SVRFSD
SDC027-162300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
521 PM CDT SAT JUN 16 1990
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST SOUTH DAKOTA
...NORTHERN CLAY
SOME CITIES INCLUDED IN THIS WARNING ARE...WAKONDA
AT 515 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 40 MILES SOUTH
SOUTHWEST OF SIOUX FALLS NEAR WAKONDA SOUTH DAKOTA. THE STORM WAS
MOVING NORTHEAST AT 35 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 OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.What 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, 3:42 PM CDT, 1 hour 39 minutes before
SDZ003>005-010>012-014>020-170000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 340 PM CDT SAT JUN 16 1990 ...VOLATILE WEATHER SITUATION SHAPING UP FOR SOUTHERN AND EASTERN SOUTH DAKOTA LATE THIS AFTERNOON INTO THIS EVENING... HEAVY OR SEVERE THUNDERSTORMS SHOULD DEVELOP IN PARTS OF SOUTHERN AND EASTERN SOUTH DAKOTA THE REMAINDER OF THIS AFTERNOON AND EVENING. SINCE HEAVY RAINS HAVE OCCURRED IN THE NORTHEAST HALF OF THE STATE IN THE PAST 24 HOURS ANY ADDITIONAL HEAVY RAIN SHOULD CAUSE SOME LOCALIZED LOWLAND FLOODING. THE SHOWERS AND THUNDERSTORMS SHOULD TAPER OFF LATER TONIGHT AS A STRONG LOW PRESSURE SYSTEM MOVES EAST OVER THE STATE. THE RAIN WOULD BE VERY MUCH NEEDED IN PARTS OF SOUTHEAST SOUTH DAKOTA INCLUDING SIOUX FALLS. HOWEVER THERE IS ALSO A BETTER POSSIBILITY OF SEVERE THUNDERSTORMS IN THE SOUTHEAST THAN IN THE REMAINDER OF SOUTH DAKOTA TONIGHT. VERY HEAVY RAINS OCCURRED IN MUCH OF THE NORTHEAST HALF OF SOUTH DAKOTA IN THE PAST 24 HOURS. SOME AREAS HAVE RECEIVED OVER 5 INCHES WITH WIDESPREAD AMOUNTS OF 2 TO 3 INCHES REPORTED. THE FOLLOWING ARE SOME RAINFALL AMOUNTS IN THE PAST 24 HOURS ENDING AT 8 AM CDT... 5.60 INCHES...2 MILES SOUTH OF BADGER...KINGSBURY COUNTY 4.50 INCHES...2 MILES NORTH OF RELIANCE...LYMAN COUNTY 4.50 INCHES...7 MILES EAST OF BOWDLE...EDMUNDS COUNTY...OVER 12 INCHES FOR MONTH OF JUNE 4.33 INCHES...3 1/2 MILES NORTH OF MINA...EDMUNDS/BROWN COUNTY BORDER 4.00 INCHES...6 MILES NORTHEAST OF LAKE PRESTON...KINGSBURY COUNTY 3.60 INCHES...3 1/2 MILES NORTHEAST OF BADGER...KINGSBURY COUNTY 3.50 INCHES...13 MILES SOUTHEAST OF HURON...BEADLE COUNTY 3.40 INCHES...5 MILES NORTHWEST OF ARLINGTON...KINGSBURY COUNTY 3.40 INCHES...8 MILES EAST OF LEBANON...POTTER COUNTY 3.31 INCHES...6 MILES EAST OF MANSFIELD...BROWN COUNTY RYRHOLM
Special weather statement, Jun 16, 4:03 PM CDT, 1 hour 18 minutes before
SDZ016-017-019-020-162200 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 403 PM CDT SAT JUN 16 1990 ...TORNADO WATCH IN EFFECT FOR SOUTHCENTRAL AND SOUTHEAST SOUTH DAKOTA... AT 4 PM CDT SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN HAD DEVELOPED IN SOUTHEAST SOUTH DAKOTA. THESE THUNDERSTORMS EXTENDED FROM NEAR MITCHELL TO NEAR YANKTON. MOVEMENT NORTHEAST AT 30 MILES AN HOUR. BERG
Special weather statement, Jun 16, 4:22 PM CDT, 59 minutes before
SDZ020-162200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 421 PM CDT SAT JUN 16 1990 ...THUNDERSTORM WITH VERY HEAVY RAIN JUST WEST OF YANKTON SOUTH DAKOTA... AT 417 PM CDT RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN 50 MILES SOUTHWEST OF SIOUX FALLS OR JUST WEST OF YANKTON SOUTH DAKOTA. THIS STORM WAS MOVING NORTH NORTHEAST AT 30 MPH AND WILL AFFECT PERSONS IN YANKTON COUNTY THROUGH 5 PM CDT. SMALL HAIL...G6USTY WINDS AND BRIEF HEAVY RAINS CAN BE EXPECTED WITH THIS STORM.
Special weather statement, Jun 16, 4:24 PM CDT, 57 minutes before
IAZ004-162220- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 423 PM CDT SAT JUN 16 1990 ...A FLASH FLOOD WATCH FOR NORTHEAST NEBRASKA AND NORTHWEST IOWA TONIGHT... ...A TORNADO WATCH FOR NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA UNTIL 9 PM CDT... A FEW THUNDERSTORMS WERE ACROSS NORTHWEST NEBRASKA AND SOUTHEAST SOUTH DAKOTA THIS AFTERNOON. AT 4:18 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM 60 MILES NORTHWEST OF SIOUX CITY. THE STORM WAS MOVING NORTHEAST AT 30 MPH. A FLASH FLOOD WATCH MEANS FLOODING IS POSSIBLE IN AND NEAR THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD KEEP INFORMED AND BE READY FOR QUICK ACTION IF FLASH FLOODING IS OBSERVED OR A WARNING IS ISSUED. HOPPES
Special weather statement, Jun 16, 5:00 PM CDT, 21 minutes before
SDZ018-162230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 500 PM CDT SAT JUN 16 1990 ...THUNDERSTORM WITH VERY HEAVY RAIN OVER SOUTHWEST TURNER COUNTY OF SOUTHEAST SOUTH DAKOTA... AT 455 PM CDT RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN 30 MILES SOUTHWEST OF SIOUX FALLS NEAR CENTER POINT SOUTH DAKOTA. THIS STORM WAS MOVING NORTH NORTHEAST AT 30 MPH AND WILL AFFECT PERSONS IN TURNER COUNTY THROUGH 530 PM CDT. x SMALL HAIL...GUSTY WINDS AND BRIEF HEAVY RAINS CAN BE EXPECTED WITH THIS STORM.
Special weather statement, Jun 16, 5:11 PM CDT, 10 minutes before
SDZ017-018-019-020-162300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 510 PM CDT SAT JUN 16 1990 ...TORNADO WATCH IN EFFECT FOR SOUTHCENTRAL AND SOUTHEAST SOUTH DAKOTA... AT 505 PM CDT SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED IN SOUTHEAST SOUTH DAKOTA. STRONG THUNDERSTORMS WERE SCATTERED SOUTH OF I-90 FROM SIOUX FALLS TO 30 MILES WEST OF MITCHELL. VERY HEAVY RAINS AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS. MOVEMENT NORTHEAST AT 30 MILES AN HOUR. BERG/SHEEHAN
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 9:29 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison | 46 min |
| Jun 15, 10:27 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 33 min |
| Jun 15, 10:59 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 31 min |
| Jun 15, 11:35 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 25 min |
| Jun 16, 1:23 PM CDT | Severe Thunderstorm Warning | FSD | Mellette | 52 min |
| Jun 16, 4:31 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 29 min |
| Jun 16, 5:46 PM CDT | Tornado Warning | FSD | Clay, Lincoln | 29 min |
| Jun 16, 5:56 PM CDT | Tornado Warning | FSD | Union | 34 min |
Nearby
Severe 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.