Alert archive / South Dakota / Special Weather Statements in 2016

Special Weather Statement, NWS Rapid City, SD

June 27, 2016Fall River County, South Dakota

NWS Rapid City, SD issued this special weather statement at Jun 27, 2016, 7:21 PM MDT for Fall River County, South Dakota. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 27, 2016, 7:21 PM MDT (01:21 UTC)
Expired: Jun 27, 2016, 7:45 PM MDT
In force: 24 min
Issued by: NWS Rapid City, SD

County Fall River County, SD

The radar

The Rapid City radar (KUDX), 149 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 (KRAP), launched 00:00Z, 1.4 hours before the alert went out and 142 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: 683 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1985 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: -53 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -1.7

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 27, 5:22 PM MDT, 1 hour 59 minutes earlier.

Area forecast discussion, Jun 27, 5:22 PM MDT, 1 hour 59 minutes before

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Hazardous weather outlook, Jun 27, 4:03 AM MDT, 15 hours 18 minutes before

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In the hours before

Special weather statement, Jun 27, 5:49 PM MDT, 1 hour 32 minutes before

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Special weather statement, Jun 27, 6:16 PM MDT, 1 hour 5 minutes before

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Special weather statement, Jun 27, 6:46 PM MDT, 35 minutes before

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Local storm report, Jun 27, 6:54 PM MDT, 27 minutes before

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Special weather statement, Jun 27, 7:11 PM MDT, 10 minutes before

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Special weather statement, Jun 27, 7:21 PM MDT, 0 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 27, 6:16 PM MDT	Special Weather Statement	UNR	Fall River	44 min
Jun 27, 6:20 PM MDT	Severe Thunderstorm Warning	UNR	Fall River	55 min
Jun 27, 6:46 PM MDT	Special Weather Statement	UNR	Pennington	29 min
Jun 27, 7:11 PM MDT	Special Weather Statement	UNR	Fall River	19 min
Jun 27, 7:45 PM MDT	Special Weather Statement	UNR	Custer	45 min
Jun 28, 4:29 AM MDT	Special Weather Statement	UNR	Oglala Lakota	31 min
Jun 28, 4:55 AM MDT	Severe Thunderstorm Warning	UNR	Oglala Lakota	37 min
Jun 28, 12:08 PM MDT	Special Weather Statement	UNR	Custer	37 min
Jun 28, 1:41 PM MDT	Special Weather Statement	UNR	Custer	34 min
Jun 28, 2:32 PM MDT	Special Weather Statement	UNR	Lawrence	28 min
Jun 28, 2:55 PM MDT	Severe Thunderstorm Warning	UNR	Custer, Pennington	65 min
Jun 28, 3:18 PM MDT	Special Weather Statement	UNR		27 min
Jun 28, 3:28 PM MDT	Special Weather Statement	UNR	Pennington	32 min
Jun 28, 3:39 PM MDT	Severe Thunderstorm Warning	UNR	Custer, Fall River	55 min
Jun 28, 3:44 PM MDT	Severe Thunderstorm Warning	UNR	Meade, Pennington	61 min
Jun 28, 4:01 PM MDT	Severe Thunderstorm Warning	UNR	Custer, Lawrence, Meade, Pennington	44 min
Jun 28, 4:07 PM MDT	Severe Thunderstorm Warning	UNR	Pennington	24 min
Jun 28, 4:13 PM MDT	Severe Thunderstorm Warning	UNR	Fall River	77 min
Jun 28, 4:21 PM MDT	Severe Thunderstorm Warning	UNR	Haakon, Pennington	54 min
Jun 28, 4:35 PM MDT	Severe Thunderstorm Warning	UNR	Oglala Lakota, Pennington	40 min
Jun 28, 4:47 PM MDT	Special Weather Statement	UNR	Meade	43 min
Jun 28, 4:54 PM MDT	Severe Thunderstorm Warning	UNR	Haakon, Meade, Pennington	66 min
Jun 28, 4:59 PM MDT	Severe Thunderstorm Warning	UNR	Haakon	76 min
Jun 28, 5:11 PM MDT	Severe Thunderstorm Warning	UNR	Oglala Lakota	37 min
Jun 28, 1:24 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	66 min
Jun 28, 2:05 PM MDT	Severe Thunderstorm Warning	UNR	Weston	55 min
Jun 28, 2:14 PM MDT	Special Weather Statement	UNR	Crook	46 min
Jun 28, 2:53 PM MDT	Severe Thunderstorm Warning	UNR	Weston	67 min
Jun 28, 3:35 PM MDT	Severe Thunderstorm Warning	UNR	Weston	31 min

Nearby

Special Weather Statements in South Dakota, 2016 Every special weather statement in 2016

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.