Alert archive / South Dakota / Flash Flood Warnings in 2005

Flash Flood Warning 2, NWS Rapid City, SD

June 28, 2005Ziebach County, South Dakota

NWS Rapid City, SD issued this flash flood warning at Jun 28, 2005, 9:39 PM MDT for Ziebach County, South Dakota. It was in force for 6 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 28, 2005, 9:39 PM MDT (03:39 UTC)
Expired: Jun 29, 2005, 3:45 AM MDT
In force: 6 hr
Issued by: NWS Rapid City, SD
Area: Counties, with a storm outline in the text

County Ziebach County, SD

The radar

The Rapid City radar (KUDX), 132 km from the middle of the area, began a volume at 03:40 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 00:00Z, 3.7 hours before the alert went out and 140 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 374 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 3612 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

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 28, 2:40 PM MDT, 6 hours 59 minutes earlier.

Area forecast discussion, Jun 28, 2:40 PM MDT, 6 hours 59 minutes before

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Hazardous weather outlook, Jun 28, 6:56 AM MDT, 14 hours 43 minutes before

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In the hours before

Local storm report, Jun 28, 5:33 PM MDT, 4 hours 6 minutes before

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Local storm report, Jun 28, 5:53 PM MDT, 3 hours 46 minutes before

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The office that day

Everything else NWS Rapid City, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 28, 6:15 PM MDT	Severe Thunderstorm Warning	UNR	Jackson	60 min
Jun 28, 6:29 PM MDT	Severe Thunderstorm Warning	UNR	Ziebach	61 min
Jun 28, 6:41 PM MDT	Severe Thunderstorm Warning	UNR	Bennett	23 min
Jun 28, 7:10 PM MDT	Severe Thunderstorm Warning	UNR	Haakon, Jackson	66 min
Jun 28, 7:30 PM MDT	Severe Thunderstorm Warning	UNR	Ziebach	60 min
Jun 28, 8:25 PM MDT	Severe Thunderstorm Warning	UNR	Meade	65 min
Jun 28, 8:30 PM MDT	Severe Thunderstorm Warning	UNR	Ziebach	60 min
Jun 28, 9:13 PM MDT	Tornado Warning	UNR	Ziebach	32 min
Jun 28, 9:42 PM MDT	Severe Thunderstorm Warning	UNR	Ziebach	63 min
Jun 29, 4:55 PM MDT	Severe Thunderstorm Warning	UNR	Fall River	26 min
Jun 29, 5:22 PM MDT	Severe Thunderstorm Warning	UNR	Bennett	38 min

Nearby

Flash Flood Warnings in South Dakota, 2005 Every flash flood warning in 2005

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.