Alert archive / South Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 92, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 28, 1990, 7:32 AM CDT for Brookings County, Lake County, Moody County, South Dakota. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1990, 7:32 AM CDT (12:32 UTC)
- Expired
- Jun 28, 1990, 8:15 AM CDT
- In force
- 43 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Brookings County, SD, Lake County, SD, Moody 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
Minneapolis, MN (KSTC), launched 12:00Z, 0.5 hours before the alert went out and 271 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
- 102 J/kg
- Mixed-layer CIN
- -411 J/kg
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 298 m²/s²
- 0-3 km storm-relative helicity
- 307 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFSD 281234
SVRFSD
SDC011-079-101-281315-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
732 AM CDT THU JUN 28 1990
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN EAST CENTRAL SOUTH DAKOTA
...SOUTHWESTERN BROOKINGS...NORTHERN LAKE...NORTHERN MOODY
SOME CITIES INCLUDED IN THE WARNING ARE SINAI...RAOMONA...NUNDA AND
RUTLAND.
AT 725 AM CDT RADAR INDCIATED A SEVERE THUNDERSTORM 50 MILES NORTHWEST
OF SIOUX FALLS NEAR OLDHAM MOVING EASTSOUTHEAST AT 40 MPH.
IF YOU ARE IN THE PATH OF THIS STORM...YOU SHOULD GET TO A
REINFO1RCED 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.
BEHRENDWhat 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 28, 6:20 AM CDT, 1 hour 12 minutes before
SDZ003-SD004-281200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 619 AM CDT THU JUN 28 1990 ...SEVERE THUNDERSTORM WATCH FOR CAMPBELL..WALWORTH..POTTER..MCPHERSON ..EDMUNDS COUNITES OF SOUTH DAKOTA HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH NUMBER 550 FOR CAMPBELL...WALWORTH... POTTER...MCPHERSON AND EDMONDS COUNTIES OF NORTHEAST SOUTH DAKOTA HAS BEEN CANCELLED. THE SEVERE THUNDERSTORM WATCH NUMBER 550 REMAINS IN EFFECT FOR BROWN...FAULK...NORTHERN SPINK...WESTERN MARSHALL AND WESTERN DAY UNTIL 9 AM CDT. BEHREND
Special weather statement, Jun 28, 6:38 AM CDT, 54 minutes before
IAZ004-281245- SPECIAL WEATHER STATEMENT AND WEATHER UPDATE NATIONAL WEATHER SERVICE SIOUX CITY IA 637 AM CDT THU JUN 28 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR WEST CENTRAL IOWA UNTIL 9 AM CDT...AND FOR SOUTHEST SOUTH DAKOTA AND NORTHEAST NEBRASKA UNTIL 11 AM CDT... AT 635 AM CDT SCATTERED THUNDERSTORMS WERE OVER NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA...ABOUT 75 MILES WEST AND NORTHWEST OF SIOUX CITY. THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR. IN THE IMMEDIATE SIOUX CITY AREA THE SKY WAS PARTLY CLOUDY WITH A SOUTHERLY WIND 10 TO 20 MPH. SCATTERED THUNDERSTORMS ARE LIKELY THIS MORNING...SOME MAY BE SEVERE. OTHERWISE THE WEATHER WILL BE PARTLY CLOUDY AND HUMID. DROZD
Special weather statement, Jun 28, 6:58 AM CDT, 34 minutes before
SDZ003-SD004-281200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 655 AM CDT THU JUN 28 1990 ...INTENSE THUNDERSTORMS OVER EAST CENTRAL SOUTH DAKOTA... AT 650 AM CDT INTENSE THUNDERSTORMS WERE INDICATED BY RADAR IN EAST CENTRAL SOUTH DAKOTA. THESE THUNDERSTROMS WERE LOCATED 20 MILES TO THE SOUTHWEST OF BROOKINGS. VERY HEAVY RAIN...HAIL AND STRONG GUSTY WINDS MAY OCCUR WITH THESE THUNDERSTORMS THE MOVE EAST AT 40 TO 45 MPH. PEOPLE IN BROOKINGS...NORTHERN LAKE...NORTHERN MOODY COUNTIES OF SOUTH DAKOTA AREA ADVISED TO BE ALERT UNTIL 9 AM CDT...ESPECIALLY IN THE CITIES OF SINAI...BROOKINGS AND NUDA. BEHREND
Special weather statement, Jun 28, 7:01 AM CDT, 31 minutes before
SDZ012-SD018-281200- SPECIAL WEATHER STATEMENT...CORRECTION FOR CODING NATIONAL WEATHER SERVICE SIOUX FALLS SD 655 AM CDT THU JUN 28 1990 ...INTENSE THUNDERSTORMS OVER EAST CENTRAL SOUTH DAKOTA... AT 650 AM CDT INTENSE THUNDERSTORMS WERE INDICATED BY RADAR IN EAST CENTRAL SOUTH DAKOTA. THESE THUNDERSTROMS WERE LOCATED 20 MILES TO THE SOUTHWEST OF BROOKINGS. VERY HEAVY RAIN...HAIL AND STRONG GUSTY WINDS MAY OCCUR WITH THESE THUNDERSTORMS THE MOVE EAST AT 40 TO 45 MPH. PEOPLE IN BROOKINGS...NORTHERN LAKE...NORTHERN MOODY COUNTIES OF SOUTH DAKOTA AREA ADVISED TO BE ALERT UNTIL 9 AM CDT...ESPECIALLY IN THE CITIES OF SINAI...BROOKINGS AND NUDA. BEHREND
Special weather statement, Jun 28, 7:04 AM CDT, 28 minutes before
SDZ004-281300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 700 AM CDT THU JUN 28 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 550 FOR NORTHEAST SOUTH DAKOTA HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH NUMBER 550 FOR THE NORTHEAST SOUTH DAKOTA COUNTIES OF BROWN...FAULK...NORTHERN SPINK...WESTERN MARSHALL AND WESTERN DAY HAS BEEN CANCELLED. BEHREND
Special weather statement, Jun 28, 7:24 AM CDT, 8 minutes before
SDZALL-281400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 720 AM CDT THU JUN 28 1990 ...SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL AND SOUTHEAST SOUTH DAKOTA UNTIL 11 AM CDT... SCATTERED SHOWERS AND THUNDERSTORMS WERE OVER SOUTH DAKOTA AT 7 AM CDT...SOME THE THUNDERSTORMS WERE SEVERE IN EAST CENTRAL SOUTH DAKOTA. AT 630 AM CDT...61 MPH WINDS AND 3/8 INCH DIAMETER HAIL OCCURED AT HURON AIRPORT. TEMPERATURES RANGED FROM 60 "AT CUSTER TO 77 AT CHAMBERLAIN AND MITCHELL. THROUGH 9 AM CDT...SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE ...SOME MAY BE SEVERE IN THE EAST CENTRAL AND SOUTHEAST. TEMPERATURES WILL WARM 6 TO 12 DEGREES. BEHREND
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 7:51 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 39 min |
| Jun 27, 8:10 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Lake, Moody | 35 min |
| Jun 27, 8:37 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Minnehaha, Moody | 38 min |
| Jun 27, 9:08 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 37 min |
| Jun 27, 9:08 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 37 min |
| Jun 27, 9:34 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 56 min |
| Jun 27, 11:56 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 34 min |
| Jun 27, 11:56 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha, Turner | 34 min |
| Jun 28, 12:30 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha, Turner | 30 min |
| Jun 28, 12:58 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 32 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.