Alert archive / South Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 52, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 18, 1990, 11:27 PM CDT for Edmunds County, McPherson County, South Dakota. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Jun 18, 1990, 11:27 PM CDT (04:27 UTC)
- Expired
- Jun 19, 1990, 12:30 AM CDT
- In force
- 63 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
Counties Edmunds County, SD, McPherson 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, 4.5 hours before the alert went out and 100 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 18, 7:43 PM CDT, 3 hours 44 minutes before
SDZ004-011-190140- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 740 PM CDT MON JUN 18 1990 ...THUNDERSTORMS FORMING IN NORTHEAST SOUTH DAKOTA... AT 735 PM CDT RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN HAD FORMED 10 MILES WEST OF REDFIELD SOUTH DAKOTA...40 MILES SOUTH OF ABERDEEN...MOVING EAST AT 25 MPH. THIS STORM CAN CAUSE HIGH WIND...SMALL HAIL...AND HEAVY RAIN IN AN AREA THAT IS STILL WET FROM THE WEEK END RAINS. IF YOU LIVE IN SPINK COUNTY YOU SHOULD BE ALERT TO THE WEATHER UNTIL ABOUT 830 PM CDT WHEN THIS STORM SHOULD WEAKEN. KEEFE
Special weather statement, Jun 18, 10:42 PM CDT, 45 minutes before
SDZ003-SDZ010-190500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 1040 PM CDT MON JUN 18, 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR NORTH CENTRAL SOUTH DAKOTA UNTIL 12 AM MDT... AT 1035 PM CDT RADAR INDICATES INTENSE THUNDERSTORM ACTIVITY OVER NORTH CENTRAL SOUTH DAKOTA EXTENDING FROM 35 MILES NORTHWEST OF MOBRIDGE SOUTH DAKOTA TO 60 MILES SOUTH OF MOBRIDGE SOUTH DAKOTA MOVING EAST AT 30 MPH. RECENT REPORTS FROM EAGLE BUTTE AND LANTRY IN SOUTHWEST DEWEY COUNTY OF NORTH CENTRAL SOUTH DAKOTA HAVE SOME MINOR SMALL TREE DAMAGE WITH WIND OF 50 MPH ALONG WITH SMALL HAIL AND VERY HEAVY RAIN. CAMPERS ALONG THE MISSOURI RIVER NORTH OF PIERRE SOUTH DAKOTA SHOULD BE PREPARED FOR ADVERSE WEATHER CONDITIONS OVER THE NEXT ONE TO TWO HOURS. STUDNICKA
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 7:57 PM CDT | Tornado Warning | ABR | Spink | 33 min |
| Jun 18, 8:28 PM CDT | Severe Thunderstorm Warning | ABR | Beadle, Clark, Kingsbury | 62 min |
| Jun 18, 9:10 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin, Kingsbury | 65 min |
| Jun 18, 11:11 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 64 min |
| Jun 18, 11:11 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 64 min |
| Jun 18, 11:26 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Sully | 64 min |
| Jun 18, 11:27 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 63 min |
| Jun 18, 11:48 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 57 min |
| Jun 19, 12:07 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 68 min |
| Jun 19, 12:10 AM CDT | Severe Thunderstorm Warning | ABR | Beadle | 65 min |
| Jun 19, 1:10 AM CDT | Severe Thunderstorm Warning | ABR | Beadle, Jerauld, Sanborn | 65 min |
| Jun 19, 1:51 AM CDT | Severe Thunderstorm Warning | ABR | Kingsbury, Miner | 69 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.