Alert archive / South Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 113, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 11, 1997, 6:14 PM CDT for Jones County, South Dakota. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 11, 1997, 6:14 PM CDT (23:14 UTC)
- Expired
- Jul 11, 1997, 6:45 PM CDT
- In force
- 31 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Jones County, SD
The radar
The Rapid City radar (KUDX), 172 km from the middle of the area, began a volume at 23:17 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 11.2 hours before the alert went out and 176 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
- 1017 J/kg
- Mixed-layer CIN
- -301 J/kg
- Mixed-layer LCL
- 1583 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KABR 112314 RRA SVRABR SDC075-112345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ABERDEEN SD 614 PM CDT (514 PM MDT) FRI JUL 11 1997 * SEVERE THUNDERSTORM WARNING FOR WESTERN JONES COUNTY - CENTRAL SOUTH DAKOTA * UNTIL 545 PM MDT (645 PM CDT) * SOME LOCATIONS AFFECTED RURAL AREAS BETWEEN CAPA AND OKATON. * AT 511 PM MDT...ABERDEEN DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 22 MILES NORTH OF CEDAR BUTTE OR 7 MILES NORTHWEST OF OKATON MOVING NORTH AT 15 MPH. DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! CB/RB
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.
NWS Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 11, 10:34 AM CDT, 7 hours 40 minutes earlier.
Area forecast discussion, Jul 11, 10:34 AM CDT, 7 hours 40 minutes before
AREA FORECAST DISCUSSION FOR CENTRAL/NORTH CENTRAL/NORTHEAST SD AND FOR TRAVERSE/BIG STONE COUNTIES OF MN NATIONAL WEATHER SERVICE ABERDEEN SD 1030 AM CDT FRI JUL 11 1997 WILL UPDATE MOST ZONES TO FRESHEN UP WORDING. MORNING SOUNDINGS DO INDEED REVEAL LESS CAPPING OVER NE CWA AND SAT PIX IN COMBINATION WITH 88D REVEAL CONTD DEVELOPMENT OF WEAK CONVECTION WEST MO RIVER. WILL PROBABLY TAKE OUT LATE MENTION FOR SOME ZONES. FORECAST BECOMING COMPLICATED LATER PERIODS WITH S/WS LIFTING OUT OF SW US AND APPROACHING TROF FROM WEST INCHING IN. AT LEAST PER WATER VAPOR IMAGERY IT APPEARS THAT ETA HAS FAIR HANDLE ON LOCATION OF S/WS COMING OUT OF SW US. ALTHO ITS SFC LOW OVER NEBRASKA PANHANDLE LOOKS A LITTLE OVERDOWN AT 24 HOURS. MAIN SFC FRNT JUST BARELY INTO NW SD AND SUSPECT ITLL AWAIT A NUDGE FROM THE WEST TNT BEFORE MOVING MUCH. .ABR...NONE. TDK
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 8:24 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 31 min |
| Jul 11, 5:42 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 33 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 1997Every severe thunderstorm warning in 1997
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; radar from the NEXRAD Level II archive.