Alert archive / South Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 13, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 1, 1990, 7:01 PM CDT for Lyman County, South Dakota. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- Jun 1, 1990, 7:01 PM CDT (00:01 UTC)
- Expired
- Jun 1, 1990, 8:00 PM CDT
- In force
- 59 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Lyman 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, 0.0 hours before the alert went out and 160 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 KHON 020038 RRA
SVRHON
SDC085-020100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...RETRANSMIT
NATIONAL WEATHER SERVICE HURON SD
701 PM CDT FRI JUN 1 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE CENTRAL PART OF SOUTH DAKOTA
SOUTHWEST AND SOUTH CENTRAL LYMAN
SOME OF THE CITIES INCLUDED IN THIS WARNING ARE PRESHO AND
KENNEBEC
AT 655 PM CST RADAR INDICATED A SEVERE THUNDERSTORM IN SOUTHWEST
LYMAN COUNTY 40 MILES SOUTH OF PIERRE MOVING EAST NORTHEAST AT
20 MILES AN HOUR.
IF YOU ARE IN THE PATH OF THIS STORM..YOU SHOULD GET TO A REINFORCED
SHELTER. A SEVERE THUNDERSTORM PRODUCES ANY OR 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.
THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR
NO ADVANCE WARNING SO BE ON THE LOOKOUT.
SPRINGERWhat 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 1, 2:50 PM CDT, 4 hours 11 minutes before
SDZ003-012100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 250 PM CDT FRI JUN 1 1990 ...TORNADO WATCH FOR CENTRAL SOUTH DAKOTA UNTIL 10 PM CDT... AT 245 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED AN INTENSE THUNDERSTORM WITH VERY HEAVY RAIN HAD FORMED 50 MILES SOUTHWEST OF MOBRIDGE SOUTH DAKOTA IN SOUTHERN DEWEY COUNTY AND WAS MOVING NORTH AT 15 MPH. THIS STORM CAN PRODUCE HEAVY RAIN...SMALL HAIL..AND DANGEROUS LIGHTNI7NG. CAMPERS AND BOATERS SHOULD BE AWARE OF THIS STORM AND BE PREPARED TO TAKE ACTION TO ENSURE SAFETY. KEEFE
Special weather statement, Jun 1, 4:13 PM CDT, 2 hours 48 minutes before
SDZ003-004-012200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 414 PM CDT FRI JUN 1 1990 ...TORNADO WATCH FOR CENTRAL SOUTH DAKOTA UNTIL 10 PM CDT... AT 410 PM CDT RADAR SHOWED AN INTENSE THUNDERSTORM WITH VERY HEAVY RAIN NEAR LOWRY...30 MILES SOUTHEAST OF MOBRIDGE...MOVING NORTHEAST AT 20 MPH. AS THIS STORM HAS PRODUCED SMALL HAIL...HEAVY RAIN...AND GUSTY WIND. IF YOU LIVE IN NORTHEAST SOUTH DAKOTA YOU SGOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. KEEFE
Special weather statement, Jun 1, 5:10 PM CDT, 1 hour 51 minutes before
SDZ004-012300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 510 PM CDT FRI JUN 1 1990 ...TORNADO WATCH FOR CENTRAL SOUTH DAKOTA UNTIL 10 PM CDT... AT 505 PM CDT RADAR SHOWED AN INTENSE THUNDERSTORM WITH VERY HEAVY RAIN NEAR BOWDLE...60 MILES WEST OF ABERDEEN...MOVING NORTHEAST AT 20 MPH. AS THIS STORM HAS PRODUCED SMALL HAIL...HEAVY RAIN...AND GUSTY WIND. IF YOU LIVE IN EDMUNDS COUNTY SOUTH DAKOTA YOU SHOULD BE ALERT TO RAP&IDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER IF NECCESSARY. KEEFE
Local storm report, Jun 1, 6:06 PM CDT, 55 minutes before
STORM REPORT NATIONAL WEATHER SERVICE ABERDEEN SD 605 PM CDT FRI JUN 1 1990 STORM DATA FOR JUN 1 1990 TIME COUNTY..LOCATION CHARACTER OF STORM..DAMAGE ....................................................................... 455 PM CDT DEWEY...2 E ISABEL TORNADO...NO DAMAGE REPORTED 530 PM CDT EDMUNDS...3 W ROSCOE PEA SIZE HAIL 545 PM CDT WALWORTH...SELBY 2.60 INCHES RAIN 545 PM CDT ? DEWEY...6 E ISABEL 3.0 INCHES RAIN KEEFE
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 7:55 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 65 min |
| Jun 1, 8:53 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 37 min |
| Jun 1, 9:01 PM CDT | Tornado Warning | ABR | Beadle, Hand, Jerauld | 29 min |
| Jun 1, 9:14 PM CDT | Tornado Warning | ABR | Brown, Spink | 31 min |
| Jun 1, 9:28 PM CDT | Severe Thunderstorm Warning | ABR | Beadle, Sanborn | 62 min |
| Jun 1, 9:50 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 25 min |
| Jun 1, 10:00 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Kingsbury | 60 min |
| Jun 1, 10:02 PM CDT | Tornado Warning | ABR | Brown, Day, Spink | 28 min |
| Jun 1, 10:52 PM CDT | Severe Thunderstorm Warning | ABR | Miner | 68 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.