Alert archive / South Dakota / Flash Flood Warnings in 2007
Flash Flood Warning 1, NWS Rapid City, SD
NWS Rapid City, SD issued this flash flood warning at Jun 11, 2007, 5:00 PM MDT for Bennett County, South Dakota. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 11, 2007, 5:00 PM MDT (23:00 UTC)
- Expired
- Jun 11, 2007, 8:00 PM MDT
- In force
- 3 hr
- Issued by
- NWS Rapid City, SD
- Area
- Whole counties
County Bennett County, SD
The radar
The Rapid City radar (KUDX), 140 km from the middle of the area, began a volume at 23:00 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, 11.0 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
- 114 J/kg
- Mixed-layer CIN
- -470 J/kg
- Mixed-layer LCL
- 2676 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jun 11, 1:50 PM MDT, 3 hours 10 minutes earlier.
Area forecast discussion, Jun 11, 1:50 PM MDT, 3 hours 10 minutes before
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</html>Hazardous weather outlook, Jun 11, 11:22 AM MDT, 5 hours 38 minutes before
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Local storm report, Jun 11, 4:28 PM MDT, 32 minutes before
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</html>The office that day
Everything else NWS Rapid City, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 2:10 PM MDT | Flash Flood Watch | UNR | Bennett, Haakon, Jackson, Mellette, Todd, Tripp and 1 more | 40 hr |
| Jun 11, 3:28 PM MDT | Severe Thunderstorm Warning | UNR | Bennett | 77 min |
| Jun 11, 3:34 PM MDT | Severe Thunderstorm Warning | UNR | Jackson | 71 min |
| Jun 11, 3:40 PM MDT | Severe Thunderstorm Warning | UNR | 50 min | |
| Jun 11, 4:01 PM MDT | Severe Thunderstorm Warning | UNR | Meade | 74 min |
| Jun 11, 4:30 PM MDT | Severe Thunderstorm Warning | UNR | Haakon | 75 min |
| Jun 11, 4:30 PM MDT | Severe Thunderstorm Warning | UNR | 45 min | |
| Jun 11, 4:35 PM MDT | Severe Thunderstorm Warning | UNR | Jackson | 55 min |
| Jun 11, 4:43 PM MDT | Severe Thunderstorm Warning | UNR | Ziebach | 62 min |
| Jun 11, 4:44 PM MDT | Severe Thunderstorm Warning | UNR | Bennett | 76 min |
| Jun 11, 5:14 PM MDT | Severe Thunderstorm Warning | UNR | Meade | 46 min |
| Jun 11, 5:14 PM MDT | Severe Thunderstorm Warning | UNR | 50 min | |
| Jun 11, 5:36 PM MDT | Severe Thunderstorm Warning | UNR | Jackson, Mellette | 57 min |
| Jun 11, 5:40 PM MDT | Severe Thunderstorm Warning | UNR | Ziebach | 65 min |
Nearby
Flash Flood Warnings in South Dakota, 2007Every flash flood warning in 2007
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.