Alert archive / South Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 63, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 19, 1990, 2:31 AM CDT for Hanson County, McCook County, South Dakota. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Jun 19, 1990, 2:31 AM CDT (07:31 UTC)
- Expired
- Jun 19, 1990, 3:17 AM CDT
- In force
- 46 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Hanson County, SD, McCook 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, 7.5 hours before the alert went out and 151 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
- 456 J/kg
- Mixed-layer CIN
- -276 J/kg
- Mixed-layer LCL
- 2222 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFSD 190732
SVRFSD
SDC101-061-087-190830-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
231 AM CDT TUE JUN 19 1990
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 330 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN EAST CENTRAL SOUTH DAKOTA
...MOODY
IN SOUTHEAST SOUTH DAKOTA
...HANSON...MCCOOK
SOME CITIES INCLUDED IN THIS WARNING ARE ALEXANDER...SALEM AND
FLANDREAU SOUTH DAKOTA.
AT 220 AM CDT RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FORM 10
MILES NORTHNORTHWEST OF BROOKINGS NEAR BRUCE SOUTH DAKOTA TO 35 MILES
NORTHWEST OF SIOUX FALLS NEAR FRANKLIN SOUTH DAKOTA TO 20 MILES
SOUTHSOUTHWEST OF MITCHELL NEAR ETHAN SOUTH DAKOTA 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 IN&CH 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.
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, 12:57 AM CDT, 1 hour 34 minutes before
SDZ018-190650- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1255 AM CDT TUE JUN 19 1990 ...RAPIDLY DEVELOPING THUNDERSTORMS SOUTH OF SIOUX FALLS... AT 1255 AM CDT A LINE OF THUNDERSTORMS WAS DEVELOPING FROM 20 MILES SOUTH OF SIOUX FALLS NEAR FAIRVIEW SOUTH DAKOTA INTO NORTHWEST IOWA. THE STRONGEST THUNDERSTORM IN THE LINE WAS CENTERED 50 MILES SOUTHEAST OF SIOUX FALLS OR 10 MILES EAST OF CHATSWORTH IOWA. THE LINE OF THUNDERSTORMS WAS MOVING EAST AT 40 MPH. THESE THUNDERSTORMS WILL LIKELY PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING AND VERY HEAVY RAIN. HAIL AND STRONG WINDS ARE ALSO POSSIBLE. PERSONS NEAR AND TO THE EAST OF THESE THUNDERSTORMS SHOULD BE PREPARED F7OR THIS ADVERSE WEATHER. MOVE TO A SAFE PLACE IF NECESSARY. BLOOM
Special weather statement, Jun 19, 1:08 AM CDT, 1 hour 23 minutes before
SDZALL-190715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 108 AM CDT TUE JUN 19 1990 SEVERE THUNDERSTORM WATCH NUMBER 494 FOR PARTS OF WESTERN SOUTH DAKOTA HAS EXPIRED AND WILL NOT BE RENEWED. SEVERE THUNDERSTORM WATCH NUMBER 496 FOR PARTS OF CENTRAL AND EASTERN SOUTH DAKOTA AS WELL AS MUCH OF SOUTHEAST NORTH DAKOTA REMAINS IN EFFECT UNTIL 4 AM CDT. LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE IN THE WATCH AREA. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEAN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. THEOPHILUS
Special weather statement, Jun 19, 1:30 AM CDT, 1 hour 1 minute before
SDZALL-190715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 130 AM CDT TUE JUN 19 1990 ...SEVERE THUNDERSTORMS POSSIBLE IN CENTRAL AND EASTERN SOUTH DAKOTA... A SEVERE THUNDERSTORM WATCH WILL REMAIN IN EFFECT FOR PARTS OF CENTRAL AND EASTERN SOUTH DAKOTA UNTIL 4 AM CDT. AT 1 AM CDT THUNDERSTORMS WERE MOVING RAPIDLY EAST SOUTHEAST AT 50 TO 60 MPH FROM NORTH OF CHAMBERLAIN TO NORTH OF ABERDEEN. MOBRIDGE REPORTED WIND GUSTS TO 71 MPH WHILE ABERDEEN REPORTED GUSTS TO 43 MPH. EXTREME WESTERN SOUTH DAKOTA WAS PARTLY CLOUDY. TEMPERATURES RANGED FROM 77 AT HURON TO 59 AT LEMMON. THROUGH 3 AM CDT SCATTERED THUNDERSTORMS WILL CONTINUE TO MOVE INTO EASTERN SOUTH DAKOTA WITH^ THE POSSIBILITY THAT SOME OF THEM WILL BECOME SEVERE. STRONG GUSTY WINDS CAN ALSO BE EXPECTED BEHIND THESE STORMS. TEMPERATURES WILL DROP INTO THE 50S AND 60S IN THE WEST AND REMAIN IN THE 60S AND 70S IN THE EAST. THEOPHILUS
Special weather statement, Jun 19, 1:41 AM CDT, 50 minutes before
IAZ004-190730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 140 AM CDT TUE JUN 19 1990 ...A FLASH FLOOD WATCH IS IN EFFECT FOR WESTERN IOWA AND EASTERN NEBRASKA TONIGHT... AT 135 AM RADAR SHOWED AN AREA OF SHOWERS IN OBRIEN COUNTY NEAR PAULLINA IOWA. THIS AREA WAS MOVING EAST AT 40 MPH. ALTHOUGH THERE WERE NO OTHER SHOWERS OR STORMS IN THE AREA..OTHER THUNDERSTORMS AND SHOWERS MAY DEVELOP AT ANY TIME THIS MORNING ACROSS S IOUXLAND. TANNER
Special weather statement, Jun 19, 1:45 AM CDT, 46 minutes before
SDZ018-190725- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 144 AM CDT TUE JUN 19 1990 ...RAPIDLY MOVING THUNDERSTORMS MOVING INTO SOUTHEAST SOUTH DAKOTA... AT 135 AM CDT THE SOUTHERN EDGE OF AN AREA OF INTENSE THUNDERSTORMS HAD WAS CENTERED 30 MILES WESTNORTHWEST OF MITCHELL BETWEEN STORIA AND CROW LAKE SOUTH DAKOTA. THE THUNDERSTORMS WERE MOVING EAST AT 40 MPH. THESE THUNDERSTORMS WILL LIKELY PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING...STRONG WINDS AND BRIEF PERIODS OF VERY HEAVY RAIN. HAIL IS ALSO POSSIBLE. THE THUNDERSTORMS SHOULD MOVE THROUGH THE MITCHELL AROUND 215 AM CDT. PERSONS NEAR AND TO THE EAST OF THESE THUNDERSTORMS SHOULD BE PREPARED FOR THIS ADVtERSE WEATHER. MOVE TO A SAFE PLACE IF NECESSARY. BLOOM
Special weather statement, Jun 19, 1:46 AM CDT, 45 minutes before
SDZ017-190725- SPECIAL WEATHER STATEMENT...CORRECTED... NATIONAL WEATHER SERVICE SIOUX FALLS SD 145 AM CDT TUE JUN 19 1990 ...RAPIDLY MOVING THUNDERSTORMS MOVING INTO SOUTHEAST SOUTH DAKOTA... AT 135 AM CDT THE SOUTHERN EDGE OF AN AREA OF INTENSE THUNDERSTORMS HAD WAS CENTERED 30 MILES WESTNORTHWEST OF MITCHELL BETWEEN STORIA AND CROW LAKE SOUTH DAKOTA. THE THUNDERSTORMS WERE MOVING EAST AT 40 MPH. THESE THUNDERSTORMS WILL LIKELY PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING...STRONG WINDS AND BRIEF PERIODS OF VERY HEAVY RAIN. HAIL IS ALSO POSSIBLE. THE THUNDERSTORMS SHOULD MOVE THROUGH THE MITCHELL AROUND 215 AM CDT. PERSONS NEAR AND TO THE EAST OF THESE THUNDERSTORMS SHOULD BE PREPAREuD FOR THIS ADVERSE WEATHER. MOVE TO A SAFE PLACE IF NECESSARY. BLOOM
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 2:51 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha, Turner | 69 min |
| Jun 19, 3:44 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 56 min |
| Jun 19, 3:58 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.