Alert archive / South Dakota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 9, NWS Rapid City, SD
NWS Rapid City, SD issued this severe thunderstorm warning at May 7, 2000, 5:25 PM MDT for Bennett County, South Dakota. It was in force for 60 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
- May 7, 2000, 5:25 PM MDT (23:25 UTC)
- Expired
- May 7, 2000, 6:25 PM MDT
- In force
- 60 min
- Issued by
- NWS Rapid City, SD
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Bennett County, SD
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 7, 5:50 PM MDT | Hail 0.75 | Martin, SD | |
| May 7, 6:20 PM MDT | Thunderstorm Wind 52 E | Harrington, 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 |
|---|---|---|---|
| May 7, 2:30 PM MDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 11.4 hours before the alert went out and 138 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 794 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 115 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.
NWS Rapid City, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at May 7, 3:00 PM MDT, 2 hours 25 minutes earlier.
Area forecast discussion, May 7, 3:00 PM MDT, 2 hours 25 minutes before
AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY NATIONAL WEATHER SERVICE RAPID CITY SD 300 PM MDT SUN MAY 7 2000 TORNADO WATCH IN EFFECT UNTIL 8PM MDT FOR SOUTHWEST/SOUTH CENTRAL COUNTIES. STRONG SHORTWAVE MOVING ACROSS CENTRAL WYOMING...WITH CONVECTION FIRING UP OVER EAST CENTRAL WYOMING. SUFFICIENT SHEAR/INSTABILITY OVER FAR SOUTH FOR SUPERCELLS. SHORTWAVE WILL MOVE EAST OF THE AREA OVERNIGHT...WITH PRECIP ENDING. UNSETTLED WEATHER WILL CONTINUE THROUGH THE WEEK. .UNR...NONE. KC
The office that day
Everything else NWS Rapid City, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 3:31 PM MDT | Severe Thunderstorm Warning | UNR | Fall River | 34 min |
| May 7, 4:05 PM MDT | Severe Thunderstorm Warning | UNR | Fall River | 45 min |
| May 7, 4:45 PM MDT | Severe Thunderstorm Warning | UNR | 35 min | |
| May 7, 5:41 PM MDT | Severe Thunderstorm Warning | UNR | Todd | 59 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2000Every severe thunderstorm warning in 2000
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.