Alert archive / South Dakota / Tornado Warnings in 2018

Tornado Warning 11, NWS Rapid City, SD

June 10, 2018Meade County, Ziebach County, South Dakota

NWS Rapid City, SD issued this tornado warning at Jun 10, 2018, 8:03 PM MDT for Meade County, Ziebach 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 counties it named.

The facts

Issued
Jun 10, 2018, 8:03 PM MDT (02:03 UTC)
Expired
Jun 10, 2018, 8:27 PM MDT
In force
24 min
Issued by
NWS Rapid City, SD
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

Counties Meade County, SD, Ziebach County, SD

The radar

The Rapid City radar (KUDX), 88 km from the middle of the area, began a volume at 02:05 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 10, 2:52 PM MDTTornado WatchSPC7 hr

The nearest sounding before it

Rapid City, SD (KRAP), launched 00:00Z, 2.1 hours before the alert went out and 95 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-pSkew-T log-p diagram, Rapid City, SD at 00:00Z on 2018-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3540 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 00:00Z on 2018-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
3540 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
1757 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.6
Supercell composite
7.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Jun 10, 5:44 PM MDT, 2 hours 19 minutes earlier.

Area forecast discussion, Jun 10, 5:44 PM MDT, 2 hours 19 minutes before
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Hazardous weather outlook, Jun 10, 11:55 AM MDT, 8 hours 8 minutes before
Hazardous Weather Outlook
National Weather Service Rapid City SD
1155 AM MDT Sun Jun 10 2018

SDZ024>026-028-031-032-043-046-049-072-073-WYZ056-057-071-111300-
Northern Black Hills-Northern Foot Hills-Rapid City-
Central Black Hills-Pennington Co Plains-Haakon-Jackson-Mellette-
Tripp-Sturgis/Piedmont Foot Hills-Southern Meade Co Plains-
Western Crook-Wyoming Black Hills-Northeastern Crook-
1155 AM MDT Sun Jun 10 2018 /1255 PM CDT Sun Jun 10 2018/

This Hazardous Weather Outlook is for portions of northwestern
South Dakota...south central South Dakota...southwestern South
Dakota...the Black Hills of South Dakota...northeast Wyoming...
and the Black Hills of Wyoming.

.DAY ONE...This Afternoon and Tonight

Scattered thunderstorms are expected this afternoon and evening.
There is a slight risk of severe thunderstorms with large hail and
damaging winds.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

SDZ027-029-030-041-042-044-047-074-WYZ054-055-058-111300-
Southern Foot Hills-Southern Black Hills-Custer Co Plains-
Fall River-Oglala Lakota-Bennett-Todd-Hermosa Foot Hills-
Northern Campbell-Southern Campbell-Weston-
1155 AM MDT Sun Jun 10 2018 /1255 PM CDT Sun Jun 10 2018/

This Hazardous Weather Outlook is for portions of south central
South Dakota...southwestern South Dakota...the Black Hills of
South Dakota...and northeast Wyoming.

.DAY ONE...This Afternoon and Tonight

Isolated thunderstorms are expected this afternoon and evening.
There is a marginal risk of severe thunderstorms with large hail
and damaging winds.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

SDZ001-002-012>014-111300-
Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-
1155 AM MDT Sun Jun 10 2018

This Hazardous Weather Outlook is for portions of northwestern
South Dakota.

.DAY ONE...This Afternoon and Tonight

Scattered thunderstorms are expected this afternoon and evening.
There is am enhanced risk of severe thunderstorms, with large
hail, damaging winds, and a few tornadoes possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening across
northwest South Dakota.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

In the hours before

Local storm report, Jun 10, 5:19 PM MDT, 2 hours 44 minutes before
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Local storm report, Jun 10, 5:25 PM MDT, 2 hours 38 minutes before
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Local storm report, Jun 10, 5:30 PM MDT, 2 hours 33 minutes before
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Local storm report, Jun 10, 5:35 PM MDT, 2 hours 28 minutes before
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Local storm report, Jun 10, 5:56 PM MDT, 2 hours 7 minutes before
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Local storm report, Jun 10, 5:58 PM MDT, 2 hours 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 6:04 PM MDTSevere Thunderstorm WarningUNRPerkins41 min
Jun 10, 6:06 PM MDTSevere Thunderstorm WarningUNRMeade, Pennington54 min
Jun 10, 6:10 PM MDTSevere Thunderstorm WarningUNRPerkins35 min
Jun 10, 6:19 PM MDTSevere Thunderstorm WarningUNRPerkins26 min
Jun 10, 6:19 PM MDTSevere Thunderstorm WarningUNRCuster, Pennington10 min
Jun 10, 6:35 PM MDTSpecial Weather StatementUNR25 min
Jun 10, 6:36 PM MDTSevere Thunderstorm WarningUNRMeade, Perkins54 min
Jun 10, 6:52 PM MDTSevere Thunderstorm WarningUNRPennington23 min
Jun 10, 7:12 PM MDTSevere Thunderstorm WarningUNROglala Lakota63 min
Jun 10, 7:23 PM MDTSevere Thunderstorm WarningUNRMeade, Perkins, Ziebach67 min
Jun 10, 7:51 PM MDTSevere Thunderstorm WarningUNRPerkins26 min
Jun 10, 7:57 PM MDTSevere Thunderstorm WarningUNRCuster, Oglala Lakota, Pennington63 min
Jun 10, 8:26 PM MDTSevere Thunderstorm WarningUNRZiebach64 min
Jun 10, 8:37 PM MDTSevere Thunderstorm WarningUNRHaakon, Jackson, Pennington37 min
Jun 10, 8:53 PM MDTSevere Thunderstorm WarningUNRMeade, Pennington22 min
Jun 10, 8:54 PM MDTSevere Thunderstorm WarningUNRHaakon, Ziebach36 min
Jun 10, 9:28 PM MDTSevere Thunderstorm WarningUNRHaakon, Ziebach77 min
Jun 10, 10:16 PM MDTAreal Flood AdvisoryUNRZiebach10 hr
Jun 10, 10:25 PM MDTSevere Thunderstorm WarningUNRHaakon, Ziebach20 min
Jun 10, 10:39 PM MDTSpecial Weather StatementUNRMeade21 min
Jun 11, 1:06 AM MDTSevere Thunderstorm WarningUNRTodd39 min
Jun 11, 1:39 AM MDTSevere Thunderstorm WarningUNRMellette, Todd36 min
Jun 11, 1:51 AM MDTSpecial Weather StatementUNRTripp39 min
Jun 11, 2:04 AM MDTSevere Thunderstorm WarningUNRMellette, Tripp39 min

Nearby

Tornado Warnings in South Dakota, 2018Every tornado warning in 2018Tornadoes in 2018

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.