Alert archive / Wyoming / Flash Flood Warnings in 2013

Flash Flood Warning 5, NWS Rapid City, SD

May 26, 2013Campbell County, Wyoming

NWS Rapid City, SD issued this flash flood warning at May 26, 2013, 7:22 PM MDT for Campbell County, Wyoming. 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: May 26, 2013, 7:22 PM MDT (01:22 UTC)
Expired: May 27, 2013, 1:30 AM MDT
In force: 6 hr
Issued by: NWS Rapid City, SD
Area: Storm-based polygon
Flood severity: None

County Campbell County, WY

The radar

The Rapid City radar (KUDX), 217 km from the middle of the area, began a volume at 01:25 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, 1.4 hours before the alert went out and 214 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: 841 J/kg
Mixed-layer CIN: -204 J/kg
Mixed-layer LCL: 1154 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: -86 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 May 26, 2:02 PM MDT, 5 hours 20 minutes earlier.

Area forecast discussion, May 26, 2:02 PM MDT, 5 hours 20 minutes before

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Hazardous weather outlook, May 26, 5:16 AM MDT, 14 hours 6 minutes before

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In the hours before

Local storm report, May 26, 6:15 PM MDT, 1 hour 7 minutes before

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Local storm report, May 26, 6:35 PM MDT, 47 minutes before

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Local storm report, May 26, 6:48 PM MDT, 34 minutes before

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Local storm report, May 26, 6:49 PM MDT, 33 minutes before

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Local storm report, May 26, 6:56 PM MDT, 26 minutes before

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Local storm report, May 26, 7:18 PM MDT, 4 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
May 27, 9:53 AM MDT	Special Weather Statement	UNR	Pennington	52 min
May 27, 10:21 AM MDT	Severe Thunderstorm Warning	UNR	Meade	54 min
May 27, 10:54 AM MDT	Special Weather Statement	UNR	Harding	51 min
May 27, 11:36 AM MDT	Severe Thunderstorm Warning	UNR	Lawrence	54 min
May 27, 12:12 PM MDT	Severe Thunderstorm Warning	UNR	Butte, Harding	63 min
May 27, 12:40 PM MDT	Areal Flood Advisory	UNR	Butte, Harding	6 hr
May 27, 12:46 PM MDT	Areal Flood Advisory	UNR	Butte, Lawrence, Meade	6 hr
May 27, 12:56 PM MDT	Special Weather Statement	UNR	Lawrence	49 min
May 27, 1:39 PM MDT	Severe Thunderstorm Warning	UNR	Butte	51 min
May 27, 1:53 PM MDT	Special Weather Statement	UNR	Lawrence	52 min
May 27, 2:26 PM MDT	Severe Thunderstorm Warning	UNR	Meade	64 min
May 27, 2:33 PM MDT	Severe Thunderstorm Warning	UNR	Butte, Meade	57 min
May 27, 3:06 PM MDT	Severe Thunderstorm Warning	UNR	Perkins, Ziebach	69 min
May 27, 3:14 PM MDT	Severe Thunderstorm Warning	UNR	Bennett	46 min
May 27, 3:20 PM MDT	Severe Thunderstorm Warning	UNR	Meade, Perkins	55 min
May 27, 3:40 PM MDT	Special Weather Statement	UNR	Lawrence	50 min
May 27, 4:06 PM MDT	Severe Thunderstorm Warning	UNR	Lawrence	54 min
May 27, 4:16 PM MDT	Special Weather Statement	UNR	Jackson	29 min
May 27, 4:18 PM MDT	Severe Thunderstorm Warning	UNR	Meade	57 min
May 27, 4:21 PM MDT	Special Weather Statement	UNR	Jackson	24 min
May 27, 4:32 PM MDT	Severe Thunderstorm Warning	UNR	Jackson, Pennington	28 min
May 27, 4:33 PM MDT	Severe Thunderstorm Warning	UNR	Meade, Pennington	57 min
May 27, 4:34 PM MDT	Flash Flood Warning	UNR	Meade	6 hr
May 27, 4:41 PM MDT	Severe Thunderstorm Warning	UNR	Jackson	34 min
May 27, 5:13 PM MDT	Severe Thunderstorm Warning	UNR	Jackson	32 min
May 27, 5:29 PM MDT	Severe Thunderstorm Warning	UNR	Haakon, Pennington	61 min
May 27, 5:56 PM MDT	Severe Thunderstorm Warning	UNR	Custer	49 min
May 26, 6:19 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	56 min
May 26, 6:24 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	51 min
May 26, 6:43 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	62 min
May 26, 6:49 PM MDT	Areal Flood Advisory	UNR	Campbell	4 hr
May 26, 7:12 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	63 min
May 26, 8:07 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	83 min
May 26, 8:59 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	31 min
May 26, 9:31 PM MDT	Special Weather Statement	UNR	Crook	44 min
May 26, 10:00 PM MDT	Severe Thunderstorm Warning	UNR	Campbell, Crook	60 min
May 26, 10:58 PM MDT	Severe Thunderstorm Warning	UNR	Crook	62 min
May 27, 1:32 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	73 min
May 27, 2:46 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	59 min

Nearby

Flash Flood Warnings in Wyoming, 2013 Every flash flood warning in 2013

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.