Alert archive / South Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 29, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 2, 1990, 4:02 AM CDT for Minnehaha County, South Dakota. It was in force for 23 min.
The area
The counties it named.
The facts
- Issued
- Jun 2, 1990, 4:02 AM CDT (09:02 UTC)
- Expired
- Jun 2, 1990, 4:25 AM CDT
- In force
- 23 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Minnehaha County, SD
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
Aberdeen, SD (KHON), launched 00:00Z, 9.0 hours before the alert went out and 187 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
- 1812 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1129 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 6.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFSD 020908
SVRFSD
SDC099-021000-
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
402 AM CDT SAT JUN 2 1990
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 AM CDT.
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST SOUTH DAKOTA
...MINNEHAHA
AT 355 CDT A SEVERE THUNDERSTORM WAS OVER SIOUX FALLS SOUTH DAKOTA
MOVING NORTH AT 30 MPH.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 2, 1:15 AM CDT, 2 hours 47 minutes before
IAZ001-004-005-020715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 115 AM CDT SAT JUN 2 1990 ...TORNADO WATCH FOR MUCH OF SIOUXLAND AREA UNTIL 600 AM CDT... AT 110 AM RADAR SHOWED THE LEADING EDGE OF A LINE OF THUNDERSTORMS EXTENDING FROM NEAR SIOUX FALLS SOUTH DAKOTA THROUGH YANKTON ACROSS NEBRASKA WEST OF NORFOLK INTO NORTHERN KANSAS. THIS LINE OF STORMS HAS PRODUCED VERY HEAVY RAIN...DANGEROUS LIGHTNING...LARGE HAIL AND WIND GUSTS TO AROUND 60 MILE AN HOUR IN THE PAST. MOVEMENT WAS EAST AT 30 MILES AN HOUR. PERSONS IN THE WATCH AREA SHOULD BE ALERT FOR THE APPROACH OF SEVERE WEATHER AND PREPARED TO TAKE SHELTER IF SEVERE WEATHER IS SIGHTED OR A WARNING IS ISSUEDQ. KROPP
Special weather statement, Jun 2, 1:56 AM CDT, 2 hours 6 minutes before
SDZALL-020800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 155 AM CDT SAT JUN 2 1990 AT 155 AM CDT A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN WAS MOVING EAST ACROSS SOUTHEAST SOUTH DAKOTA. THE LINE WAS LOCATED FROM GARRETSON OR ABOUT 10 MILES NORTHEAST OF SIOUX FALLS TO NEAR YANKTON. THESE THUNDERSTORMS WILL CONTINUE TO MOVE SOUTHEAST AT 15 MILES AN HOUR. THE THUNDERSTORMS WILL REACH SIOUX FALLS AND YANKTON BY 3 AM CDT. DUE TO THE SLOW MOVEMENT OF THESE THUNDERSTORMS AND WITH MORE THUNDERSTORMS MOVING INTO THE AREA TONIGHT...SOME SMALL STREAM AND URBAN FLOODING IS POSSIBLE. THE THUNDERSTORMS COULD ALSO PRODUCE STRONG GUSTY WINDS...HEAVY RAIN AND NUMEROUS LIGHTNING hSTRIKES. IF THREATENING WEATHER IS SIGHTED GO IMMEDIATELY TO A PLACE OF SAFETY IN A REINFORCED BUILDING ON THE LOWEST FLOOR AND AWAY FROM THE APPROACHING STORM. EDDY
Special weather statement, Jun 2, 2:03 AM CDT, 1 hour 59 minutes before
SDZALL-020800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 2 AM CDT SAT JUN 2 1990 THE TORNADO WATCH FOR SOUTHEAST SOUTH DAKOTA HAS BEEN CANCELLED. THE THUNDERSTORMS THAT WERE RESPqONSIBLE FOR THE WATCH BEGAN TO DECREASE IN INTENSITY SHORTLY AFTER MIDNIGHT. SCATTERED THUNDERSTORMS CONTINUED OVER SOUTHEAST SOUTH DAKOTA AT 2 PM CDT...BUT NONE SHOWED SIGNS OF BEING SEVERE. EDDY
Special weather statement, Jun 2, 2:17 AM CDT, 1 hour 45 minutes before
IAZ001-004-005-020815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 216 AM CDT SAT JUN 2 1990 ...TORNADO WATCH FOR MUCH OF SIOUXLAND AREA UNTIL 600 AM CDT... AT 210 AM CDT RADAR SHOWED THE LEADING EDGE OF A LINE OF THUNDERSTORMS EXTENDING FROM NEAR SIOUX FALLS SOUTH DAKOTA THROUGH YANKTON ACROSS NEBRASKA WEST OF NORFOLK INTO NORTHERN KANSAS. THIS LINE OF STORMS HAS PRODUCED VERY HEAVY RAIN AND DANGEROUS LIGHTNING SINCE 115 AM CDT. MOVEMENT WAS EAST AT 25 MILES AN HOUR. ALSO AN AREA OF SHOWERS DEVELOPED IN NORTHWEST IOWA 50 TO 70 MILES NORTHEAST OF SIOUX CITY IN THE AREA AROUND PRIMGHAR. HEAVY RAIN WAS REPORTED IN PRIMGHAR AT 155 AM CDT AND THE OBRIEN COUNTY SHERIFF REPORTED PEA SIZE HAIL AT HARTLEY AT 209 AM CDT. MOVEMENT OF THIS AREA WAS NORTHEAST AT 35 MILES AN HOUR. PERSONS IN THE WATCH AREA SHOULD BE ALERT FOR THE APPROACH OF SEVERE WEATHER AND MOVE IMMEDIATELY TO SHELTER IF SEVERE WEATHER IS SIGHTED OR| A WARNING IS ISSUED. KROPP
Local storm report, Jun 2, 2:18 AM CDT, 1 hour 44 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE HURON SD
215 AM CDT SAT JUN 2 1990
STORM DATA FOR FRI JUN 1 1990
TIME COUNTY...LOCATION CHARACTER OF STORM...DAMAGE
745 PM CDT LYMAN CO/PIERRE SD 45SE FUNNEL CLOUD AND WIND 40 TO
55 MPH
755 PM CDT LYMAN CO/PIERRE SD 50S TWO TORNADOES NEAR COUNTY
LINE/MISSOURI RIVER
816 PM CDT BUFFALO CO/PIERRE SD 45SE PEA SIZE HAIL AND 40 TO 55
MPH WIND.
900 PM CDT JERAULD CO/HURON SD 30SE TWO FUNNEL CLOUDS
900 PM CDT BEADLE CO/HURON SD 10SW SMALL FUNNEL CLOUD AND 40 TO
55 MPH WIND
910 PM CDT BEADLE CO/HURON SD 5S 40 TO 55 MPH WIND
UNKNOWN HYDE CO/HURON SD 55WNW 30 TO 40 MPH WIND
935 PM CDT HAND CO/HURON SD 40W FUNNEL CLOUD
955 PM CDT BEADLE CO/H}URON SD 10SW 40 TO 55 MPH WIND.
1030 PM CDT MINER CO/HURON SD 40SE PUBLIC REPORTED TWISTER AND
SUBSTANTIAL DAMAGE TO TREES
AND OUT BUILDINGS.Special weather statement, Jun 2, 3:05 AM CDT, 57 minutes before
IAZ001-004-005-020915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 305 AM CDT SAT JUN 2 1990 ...TORNADO WATCH FOR MUCH OF SIOUXLAND AREA UNTIL 600 AM CDT... AT 3 AM CDT RADAR SHOWED THE LEADING EDGE OF A LINE OF THUNDERSTORMS EXTENDING FROM SIOUX FALLS SOUTH DAKOTA TO NORFOLK NEBRASKA. THIS LINE OF STORMS HAS PRODUCED VERY HEAVY RAIN DANGEROUS LIGHTNING AND GUSTY WINDS TO 45 MPH. MOVEMENT OF THIS LINE WAS EAST AT 30 MPH. ALSO AN AREA OF SHOWERS HAD DEVELOPED IN NORTHWEST IOWA 50 TO 70 MILES NORTHEAST OF SIOUX CITY IN THE AREA BETWEEN MARCUS AND PRIMGHAR. THIS AREA WAS MOVING EAST AT 25 MPH. PERSONS IN THE WATCH AREA SHOULD BE ALERT FOR THE APPROACH OF SEVERE WEATHER AND TAKE SHELTER IF SEVERE WEATHER IS SIGHTED. TANNER
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 7:57 PM CDT | Tornado Warning | FSD | Brule | 33 min |
| Jun 1, 8:55 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule | 35 min |
| Jun 1, 10:07 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Douglas, Hanson, Hutchinson | 53 min |
| Jun 1, 10:07 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 53 min |
| Jun 1, 10:35 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook | 40 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; the sounding from the Mesonet's radiosonde archive.