Alert archive / South Dakota / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 22, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 19, 1986, 11:25 PM CDT for Edmunds County, South Dakota. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Jun 19, 1986, 11:25 PM CDT (04:25 UTC)
- Expired
- Jun 20, 1986, 12:30 AM CDT
- In force
- 65 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Edmunds 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, 4.4 hours before the alert went out and 86 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
- 2823 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1604 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 19, 8:40 PM CDT, 2 hours 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 840 PM CDT THU JUN 19 1986 ....THUNDERSTORMS ARE FORMING IN NORTH CENTRAL SOUTH DAKOTA.... AT 830 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS WERE FORMING IN WALWORTH AND POTTER COUNTY OF NORTH CENTRAL SOUTH DAKOTA. AT 825 AN OBSERVER IN HOVEN REPORTED PEA SIZE HAIL. THESE STORMS ARE CAPABLE OF PRODUCING STRONG WIND..HEAVY RAIN.. DANGEROUS LIGHTNING..AND SMALL HAIL. IFr YOU LIVE IN POTTER OR WALWORTH COUNTY YOU SHOULD BE ALERT TO CHANGING WEATHER CONDITIONS..AND BE PREPARED TO TAKE ACTION TO PROTECT YOURSELF AND YOUR PROPERTY. KEEFE
Special weather statement, Jun 19, 9:26 PM CDT, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 925 PM CDT THU JUN 19 1986 AT 915 PM CDT RADAR INDICATED A THUNDERSTORM WAS NEARLY STATIONARY ALONG THE CAMPBELL..MCPHERSON COUNTY LINE IN NORTH CENTRAL SOUTH DAKOTA. REPORTS AT 910 PM CDT FROM EUREKA INDICATED HEAVY RAIN AND FREQUENT LIGHTNING. THIS STORM IS ALSO CAPABLE OF STRONG WIND AND SMALL HAIL. IF YOU LIVE IN CAMPBELL OR MCPHERSON COUNTY YOU SHOULD BE ALERT TO CHANGING WEATHER CONDITIONS..AND BE PREPARED TO TAKE ACTION TO PROTECT YOURSELF AND YOUR PROPERTY. THE STORMS THAT WERE IN WALWORTH AND POTTER COUNTY AT 830 PM CDT HAVE DECREASED IN INTENSITY AND MOVED SOUTH. KEEFE
Special weather statement, Jun 19, 10:38 PM CDT, 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 1035 PM CDT THU JUN 19 1986 AT 1030 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS..SOME INTENSE WITH VERY HEAVY RAIN..HAD FORMED ON A LINE FROM THE CANADIAN BORDER IN WESTERN CAMPBELL COUNTY TO CENTRAL POTTER COUNTY THESE STORMS CAN PRODUCE GUSTY SURFACE WIND..SMALL HAIL..AND DANGEROUS LIGHTNING. IF YOU LIVE IN CAMPBELL...MCPHERSON...WALWORTH...EDMUNDS..OR POTTER COUNTY YOU SHOULD BE ALERT TO CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE ACTION NECESSARY TO PROTECT YOURSELF. KEEFE
Special weather statement, Jun 19, 10:53 PM CDT, 32 minutes before
SPECIAL WEATHER STATEMENT............CORRECTED FIRST PARAGRAPH...... NATIONAL WEATHER SERVICE ABERDEEN SD 1035 PM CDT THU JUN 19 1986 AT 1030 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS..SOME INTENSE WITH VERY HEAVY RAIN..HAD FORMED ON A LINE FROM THE NORTH DAKOTA BORDER IN WESTERN CAMPBELL COUNTY TO CENTRAL POTTER COUNTY. THESE STORMS CAN PRODUCE GUSTY SURFACE WIND..SMALL HAIL..AND DANGEROUS LIGHTNING. IF YOU LIVE IN CAMPBELL...MCPHERSON...WALWORTH...EDMUNDS..OR POTTER COUNTY YOU SHOULD BE ALERT TO CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE ACTION NECESSARY TO PROTECT YOURSELF. KEEFE
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 9:41 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Sully | 64 min |
| Jun 19, 11:41 PM CDT | Tornado Warning | ABR | Edmunds | 34 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 1986Every severe thunderstorm warning in 1986
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.