Alert archive / South Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 48, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 18, 1990, 9:10 PM CDT for Hamlin County, Kingsbury County, South Dakota. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Jun 18, 1990, 9:10 PM CDT (02:10 UTC)
- Expired
- Jun 18, 1990, 10:15 PM CDT
- In force
- 65 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
Counties Hamlin County, SD, Kingsbury 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, 2.2 hours before the alert went out and 94 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, 1 hour 27 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
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, 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 | Edmunds, McPherson | 63 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.