Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 124, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 28, 1990, 4:46 PM CDT for Jackson County, Minnesota. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- Jul 28, 1990, 4:46 PM CDT (21:46 UTC)
- Expired
- Jul 28, 1990, 5:45 PM CDT
- In force
- 59 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Jackson County, MN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 9.8 hours before the alert went out and 180 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
- 31 J/kg
- Mixed-layer CIN
- -254 J/kg
- Mixed-layer LCL
- 668 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 51 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 282148
SVRFSD
MNC063-282245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
446 PM CDT SAT JUL 28 1990
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHWEST MINNESOTA
...JACKSON
PUBLIC REPORTS OF FUNNELS CLOUDS IN SOUTHCENTRAL COTTONWOOD COUNTY.
RADAR SHOWED A SOLID LINE OF INTENSE THUNDERSTORMS OVER THE WEST HALF
OF JACKSON COUNTY MOVING EAST AT 15 MPH.
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, Jul 28, 1:03 PM CDT, 3 hours 43 minutes before
SDZ016-017-018-019-020-281500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 102 PM CDT SAT JUL 28 1990 ...STRONG THUNDERSTORMS IN SOUTHEAST SOUTH DAKOTA... AT 1255 PM CDT STRONG THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL HAIL WERE DEVELOPING OVER SOUTHEAST SOUTH DAKOTA. THE STRONGEST THUNDERSTORMS WERE JUST SOUTHWEST OF SIOUX FALLS AND NORTH OF VOLIN...OR 15 MILES NORTHEAST OF YANKTON. ALSO THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL HAIL CONTINUED OVER LEWIS AND CLARK LAKE. OTHERWISE...SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN CONTINUED OVER SOUTH CENTRAL SOUTH DAKOTA...MAINLY WEST OF A LINE FROM MITCHELL TO BONESTEEL...OR 65 MILES SOUTHWEST OF MITCHELL. ALL THUNDERSTORMS WERE MOVING EAST AT 10 MPH. THUNDERSTORMS OVER SOUTHEAST SOUTH DAKOTA WERE DEVELOPING RAPIDLY... AND ARE CAPABLE OF PRODUCING VERY HEAVY RAINFALL THAT COULD FLOOD LOW LYING AREAS QUICKLY...HAIL...AND FREQUENT LIGHTNIaNG STRIKES. IF YOU AREA IN THE PATH OF THESE STORMS...YOU SHOULD SEEK SHELTER IN A REINFORCED BUILDING NOW. ALSO IF YOU ARE ON A LAKE OR RIVER IN THE PATH OF THESE STORMS...GET TO SHORE NOW. EDDY
Special weather statement, Jul 28, 1:17 PM CDT, 3 hours 29 minutes before
IAZ001-004-005-281920- SPECIAL WEATHER STATEMENT AND WEATHER UPDATE FOR SIOUX CITY AND VICINITY NATIONAL WEATHER SERVICE SIOUX CITY IA 115 PM CDT SAT JUL 28 1990 A LINE OF STRONG SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN WAS LOCATED FROM SIOUX FALLS SOUTH DAKOTA TO 5 MILES EAST OF YANKTON SOUTH DAKOTA TO 10 MILES WEST OF NORFOLK NEBRASKA. THIS LINE OF STORMS IS ALONG A FRONTAL BOUNDARY THAT IS MOVING EAST AT 20 MPH. THESE STORMS MAY PRODUCE V]ERY HEAVY RAIN SMALL HAIL AND GUSTY WINDS AS THEY START TO EFFECT THE WESTERN PARTS OF SIOUXLAND BY 230 PM. TANNER
Special weather statement, Jul 28, 2:10 PM CDT, 2 hours 36 minutes before
IAZ001-004-005-282020- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 210 PM CDT SAT JUL 28 1990 A LINE OF STRONG SHOWERS AND THUNDERSTORMS WAS MOVING INTO SIOUXLAND. THE LINE WAS LOCATED FROM 50 MILES NORTH OF SIOUX CITY TO NORFOLK NEBRASKA. THIS LINE IS MOVING EAST AT 20 MPH. THESE STORMS MAY PRODUCE SMALL HAIL AND VERY HEAVY RAIN AS THEY MOVE INTO UNION AND DIXON COUNTIES BY 3 PM. TANNER
Special weather statement, Jul 28, 2:35 PM CDT, 2 hours 11 minutes before
SDZ018-020-MNZ017-IA001-004-282030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 230 PM CDT SAT JUL 28 1990 ...LINE OF STRONG THUNDERSTORMS IN TRI/STATE AREA SOUTHEAST OF SIOUX FALLS... AT 225 PM CDT A LINE OF STRONG THUNDERSTORMS EXTENDED SOUTHWESTWARD FROM 20 MILES EAST OF SIOUX FALLS IN EXTREME SOUTHWEST MINNESOTA TO 5 MILES SOUTHWEST OF VERMILLION OR 30 MILES NORTHWEST OF SIOUX CITY IOWA. THESE STRONG THUNDERSTORMS WERE CAPABLE OF PRODUCING STRONG GUSTY WINDS... VERY HEAVY RAIN...SOME HAIL...AND FREQUENT LIGHTNING AS THEY MOVE SLOWLY EAST OVER EXTREME SOUTHEAST SOUTH DAKOTA..SOUTHWEST MINNESOTA... AND NORTHWEST IOWA THROUGH 5 PM CDT THIS AFTERNOON. IN ADDITION BOATERS ON ANY LAKES INCLUDING THE LEWIS AND CLARK RESERVIOR SHOULD TAKE COVER IF THESE THUNDERSTORMS APPROACH YOUR AREA. RYRHOLM
Special weather statement, Jul 28, 3:52 PM CDT, 54 minutes before
SDZ018-MNZ017-282130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 350 PM CDT SAT JUL 28 1990 ...THUNDERSTORMS WITH VERY HEAVY RAIN IN PARTS OF NORTHWEST IOWA AND SOUTHWEST MINNESOTA... AT 345 PM CDT A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDED ALONG THE BIG SIOUX RIVER ENTERING WESTERN SIOUX COUNTY IN IOWA. THESE THUNDERSTORMS COULD ALSO PRODUCE GUSTY WINDS AND SMALL HAIL AS THEY MOVE EAST THROUGH SIOUX COUNTY...PC JACKSON. THESE THUNDERSTORMS MAY ALSO PRODUCE GUSTY WINDS AND SMALL HAIL AS THEY MOVE EAST INTO SOUTHERN COTTONWOOD AND EASTERN JACKSON COUNTIES OF MINNESOTA...POSSIBLY AFFECTING THE CITIES OF WINDOM AND JACKSON BEFORE 430 PM CDT. WILLIAMS
Special weather statement, Jul 28, 4:20 PM CDT, 26 minutes before
IAZ001-004-005-282220- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 420 PM CDT SAT JUL 28 1990 AT 415 PM A BAND OF THUNDERSTORMS WITH HEAVY RAIN EXTENDED 20 MILES EAST OF THE BIG SIOUX RIVER FROM MINNESOTA TO SIOUX CITY...THEN 20 MILES EAST OF THE MISSOURI RIVER FROM SIOUX CITY TO OMAHA. THESE THUNDERSTORMS WILL PRODUCE WIND GUSTS TO NEAR 50 MILES AN HOUR... SMALL HAIL...HEAVY RAIN AND DANGEROUS LIGHTNING AS THEY MOVE EAST AT 25 MILES AN HOUR. THE HEAVY RAIN COULD QUICKLY FLOOD LOW LYING AREAS. THE THUNDERSTORMS SHOULD EXTEND FROM PRIMGHAR TO IDA GROVE BY 515PM. QUINN
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 7:13 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 47 min |
| Jul 28, 4:40 PM CDT | Severe Thunderstorm Warning | FSD | Cottonwood | 50 min |
| Jul 28, 5:44 PM CDT | Flash Flood Warning | FSD | Cottonwood, Jackson | 2 hr |
Nearby
Severe Thunderstorm Warnings in Minnesota, 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; the sounding from the Mesonet's radiosonde archive.