Alert archive / South Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 101, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 24, 1990, 9:42 PM MDT for Stanley County, South Dakota. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- Jul 24, 1990, 9:42 PM MDT (03:42 UTC)
- Expired
- Jul 24, 1990, 10:30 PM MDT
- In force
- 48 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Stanley 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
Rapid City, SD (KRAP), launched 00:00Z, 3.7 hours before the alert went out and 175 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
- 349 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 2972 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KHON 250347 COR
SVRHON
SDC117-250430-
BULLETIN - IMMEDIATE BROADCAST REQUESTED...CORRECTION
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HURON SD
1042 PM CDT TUE JUL 24 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1130 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE CENTRAL PART OF SOUTH DAKOTA
NORTHERN STANLEY
THIS WARNING INCLUDES THE ADJACENT WATERS OF THE MISSOURI RIVER.
AT 938 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM OVER THE
CHEYENNE RIVER...40 MILES NORTHWEST OF PIERRE SOUTH DAKOTA WITH
LITTLE OR NO MOVEMENT.
IF YOU ARE IN THE PATH OF THIS STORM..YOU SHOULD GET TO A REINFORCED
SHELTER. A SEVERE THUNDERSTORM PRODUCES ANY O+R ALL OF THE FOLLOWING...
WIND GUSTS OF 60 MPH OR HIGHER...HAIL 3/4 INCH OR LARGER...DEADLY
LIGHTNING...AND HEAVY RAIN THAT CAN FLOOD LOW LYING AREAS RAPIDLY.
PFEIFFERWhat 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 24, 5:21 PM MDT, 4 hours 21 minutes before
SDZ002-003-004-005-011-DDHHMM SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 620 PM CDT TUE JUL 24 1990 AT 615 PM CDT RADAR INDICATED A THUNDERSTORM IN CENTRAL DEWEY COUNTY NEAR RIDGEVIE W...OR 40 MILES SOUTHWEST OF MOBRIDGE. MOVEMENT WAS STATIONARY. THIS STORM CAN PRODUCE SMALL HAIL...STRONG WINDS...AND DANGEROUS LIGHT/ NING. LISTEN TO THE RADIO FOR FURTHER DEVELOPMENTS. ADDISON
Local storm report, Jul 24, 5:52 PM MDT, 3 hours 50 minutes before
STORM REPORT NATIONAL WEATHER SERVICE ABERDEEN SD 650 PM CDT TUE JUL 24 1990 STORM DATA FOR TUE JUL 24 1990 TIME COUNTY..LOCATION CHARACTER OF STORM..DAMAGE .....................Y.................................................. 445 PM MDT DEWEY...GLENCROSS GOLFBALL SIZE HAIL...POLICE. STUDNICKA
Special weather statement, Jul 24, 6:04 PM MDT, 3 hours 38 minutes before
SDZ002-003-004-005-011-250100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 700 PM CDT TUE JUL 24 1990 AT 655 PM CDT THE SEVERE THUNDERSTORM OVER SOUTHEAST CORSON COUNTY IN NORTH CENTRAL SOUTH DAKOTA HAS BECOME WEAKER AND IS PRODUCING HEAVY RAIN ALONG WITH SOME HAIL OVER THAT AREA SOUTHWEST OF MOBRIDGE. ADDITIONAL THUNDERSTORM ACTIVITY IS BEING INDICATED OVER EXTREME SOUTHERN DEWEY COUNTY NEAR THE MISSOURI AND CHEYENNE RIVER INTERSECTION ABOUT 35 MILES NORTHWEST OF PIERRE MOVING NORTHEAST AT 5 MPH. AT 700 PM CDT CONDITIONS ACROSS THE NORTH CENTRAL PART OF SOUTH DAKOTA IS MOSTLY CLOUDY WITH OLNL PRECIPITATION ALONG AND WEST OF THE RIVER. TEMPERATURES RANGE FROM THE UPPEhR 80 ON THE SPUTHERN PORTIONS OF THE OAHE TO THE LOWER 80S ACROSS THE REMAINING PORTIONS OF THE NORTHERN AREA. THE ONE EXCEPTION IS THAT UPPER 70S IS BEING REPORTED OVER THE NORTHEAST LAKES REGION. STUDNICKA
Local storm report, Jul 24, 7:34 PM MDT, 2 hours 8 minutes before
STORM REPORT NATIONAL WEATHER SERVICE ABERDEEN SD 830 PM CDT TUE JUL 24 1990 STORM DATA FOR TUE JUL 24 1990 TIME COUNTY..LOCATION CHARACTER OF STORM..DAMAGE ....................................................................... 716 PM MDT DEWEY...TIMBERLAKE 2S 60 MPH WIND...POLICE. 725 PM MDT DEWEY...TIMBERLAKE 4E 60-65 MPH WIND...POLICE. 727 PM MDT DEWEY...FIRESTEAL SOME WATER OVER THE ]ROADS. STUDNICKA
Special weather statement, Jul 24, 8:33 PM MDT, 1 hour 9 minutes before
SDZ002-003-004-005-011-250100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 930 PM CDT TUE JUL 24 1990 AT 825 PM MDT RADAR INDICATED THAT THE SEVERE THUNDERSTORM OVER NORTHERN DEWEY COUNTY IN NORTH CENTRAL SOUTH DAKOTA HAD WEAKENED AND WILL NOT BE REISSUED AT THIS TIME. ADDITIONAL THUNDERSTORM ACTIVITY IS DEVELOPING AND MOVING ACROSS THE NORTHCENTRAL PART OF SOUTH DAKOTA. SMALL STREAM AND URBAN FLOODING IS LIKELY FOR TONIGHT OVER THE NORTHWEST AND NORTHCENTRAL PARTS OF SOUTH DAKOTA. THIS THREAT AREA EXTENDS FROM AROUND BUFFALO AND BISON OVER TO AROUND MOBRIDGE. THERE HAVE BEEN SOME REPORTS OF WATER OVER ROADS AND VISIBILITIES REDUCED TO ZERO IN THE FIRESTEEL AND TIMBER LAKE AREA. MOTORIST SHOULD NOT ATTEMPT TO DRIVE ON FLOODED ROADS. ADDISON
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 7:21 PM MDT | Severe Thunderstorm Warning | ABR | Dewey | 69 min |
| Jul 24, 9:33 PM MDT | Severe Thunderstorm Warning | ABR | Dewey | 57 min |
| Jul 24, 10:41 PM MDT | Severe Thunderstorm Warning | ABR | Dewey | 64 min |
| Jul 25, 5:55 PM MDT | Severe Thunderstorm Warning | ABR | Stanley, Sully | 65 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.