Alert archive / South Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 237, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Sep 14, 1997, 10:41 PM CDT for Hand County, South Dakota. It was in force for 49 min. 1 report 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
- Sep 14, 1997, 10:41 PM CDT (03:41 UTC)
- Expired
- Sep 14, 1997, 11:30 PM CDT
- In force
- 49 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Hand County, SD
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 14, 11:04 PM CDT | Hail 1.75 | Miller, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 14, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 3.7 hours before the alert went out and 62 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
- 84 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1369 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 241 m²/s²
- 0-3 km storm-relative helicity
- 528 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KABR 150339 RRA SVRABR SDC059-150430- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ABERDEEN SD 1041 PM CDT SUN SEP 14 1997 * SEVERE THUNDERSTORM WARNING FOR CENTRAL AND SOUTHERN HAND COUNTY - CENTRAL SOUTH DAKOTA * UNTIL 1130 PM CDT * SOME LOCATIONS AFFECTED MILLER AROUND 1100 PM CDT ST LAWRENCE AROUND 1105 PM CDT * AT 1039 PM CDT...ABERDEEN DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 49 MILES SOUTHEAST OF GETTYSBURG OR 10 MILES WEST OF MILLER MOVING EAST AT 25 MPH. THIS IS A DANGEROUS STORM! STAY INDOORS AWAY FROM WINDOWS. KG/MM
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 Sep 14, 9:41 AM CDT, 13 hours earlier.
Area forecast discussion, Sep 14, 9:41 AM CDT, 13 hours before
AREA FORECAST DISCUSSION FOR CENTRAL/NORTH CENTRAL/NORTHEAST SD AND FOR TRAVERSE/BIG STONE COUNTIES OF MN NATIONAL WEATHER SERVICE ABERDEEN SD 940 AM CDT SUN SEP 14 1997 OBSERVER AT PIR SEEMED TO INDICATE THE SHOWERS OVER CENTRAL SOUTH DAKOTA WERE WEAK. THE SHOWER ACTIVITY IS PROBABLY OVERACCENUTATED ON THE 88D SINCE WERE LOOKING UP AT AROUND 20,000 FEET. OK ON PRECIPITATION HOWEVER...CLOUDS MAY BE THE PROBLEM. BACK EDGE OF CLOUD SHIELD WAS CLEAR BACK IN SOUTHWEST SOUTH DAKOTA AT 10Z. THIS WOULD GIVE MOST OF THE CWA A MOSTLY CLOUDY DAY SINCE A THICK MID AND HIGH LEVEL CLOUD DECK EXISTS OVER THE AREA. THIS SHOULD HOLD TEMPERATURES DOWN...ALTHOUGH TEMPERATURES ARE ALREADY AHEAD OF SCEDULE. WILL UPDATE TO LEAVE CLOUDS IN ACROSS MOST OF THE AREA THIS AFTERNOON. .ABR...NONE. CB
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 7:00 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 60 min |
| Sep 14, 7:52 PM CDT | Severe Thunderstorm Warning | ABR | Potter, Sully | 68 min |
| Sep 14, 8:38 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde | 62 min |
| Sep 14, 9:01 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 49 min |
| Sep 15, 12:40 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 50 min |
| Sep 15, 12:57 AM CDT | Severe Thunderstorm Warning | ABR | Faulk | 48 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.