Alert archive / South Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 68, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 28, 1997, 8:24 AM CDT for Edmunds County, McPherson County, South Dakota. It was in force for 46 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 28, 1997, 8:24 AM CDT (13:24 UTC)
- Expired
- Jun 28, 1997, 9:10 AM CDT
- In force
- 46 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
Counties Edmunds County, SD, McPherson County, SD
The radar
The Aberdeen radar (KABR), 65 km from the middle of the area, began a volume at 13:23 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 28, 8:30 AM CDT | Hail 0.75 | Hillsview, SD | |
| Jun 28, 8:30 AM CDT | Hail 0.75 | Bowdle, SD |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 1.4 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
- 3944 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 854 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KABR 281324 RRA SVRABR SDC045-089-281410- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ABERDEEN SD 824 AM CDT SAT JUN 28 1997 * SEVERE THUNDERSTORM WARNING FOR EDMUNDS COUNTY - NORTHEASTERN SOUTH DAKOTA MCPHERSON COUNTY - NORTHEASTERN SOUTH DAKOTA * UNTIL 910 AM CDT * SOME LOCATIONS AFFECTED LONG LAKE LEOLA HOSMER BOWDLE IPSWICH * AT 827 AM CDT...ABERDEEN DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM LONG LAKE THROUGH HILLSVIEW TO BOWDLE. DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! MM/LVQ
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 Jun 27, 8:58 PM CDT, 11 hours 26 minutes earlier.
Area forecast discussion, Jun 27, 8:58 PM CDT, 11 hours 26 minutes before
AREA FORECAST DISCUSSION FOR CENTRAL/NORTH CENTRAL/NORTHEAST SD AND FOR TRAVERSE/BIG STONE COUNTIES OF MN NATIONAL WEATHER SERVICE ABERDEEN SD 9 PM CDT FRI JUN 28 1997 THIS EVE SNDG SHWS CAP OF 4.4 WITH B+ AT 5280 J/KG...SI AT -7... LI AT -12 AND TOTAL TOTALS AT 59. WE SHUD BE THANKFUL FOR THE CAP. THE LO LVL JET OVR CWA HAS DCRD AS XPCTD & THE WNDS HAS DROP BLO 10 KTS OVR THE PIR AREA. RAOB ALSO SHWS WNDS ALFT HAS DCRD A LTL THIS EVE. THIS SHUD SLO THE MOVMT OF ANY STRMS TNGT. ABR 88D IS PICKING UP THE SVR STRMS OVR ND & NRN MN BUT ALSO ARND RAP & VTN. MDLS SHWS LTL MOVMT IN FNT OVR ND & TROF OVR WRN SD TNGT. THUS & WITH THE CAP WE MAY NOT SEE ANY TSTMS OVR CWA TIL AFTR MIDNGT OR POSSIBLY ERLY MRNG. CRNT TEMPS OVR CWA A LTL LWR THAN MOS GUID BUT FEEL MOS OVR NGT LOWS LOOKS GUD. THEREFORE...FCST LOOK O.K. FOR NOW & DO NOT XPCT TO UPDATE ATTM. .ABR...NONE
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 8:53 AM CDT | Tornado Warning | ABR | Edmunds | 47 min |
| Jun 28, 8:58 AM CDT | Tornado Warning | ABR | Faulk, Potter | 47 min |
| Jun 28, 9:14 AM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 51 min |
| Jun 28, 9:38 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 47 min |
| Jun 28, 9:55 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 65 min |
| Jun 28, 10:05 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 45 min |
| Jun 28, 10:47 AM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall, Roberts | 63 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.