Alert archive / South Dakota / High Wind Warnings in 2021

High Wind Warning 5, NWS Rapid City, SD

April 9, 2021Meade County, Pennington County, South Dakota

NWS Rapid City, SD issued this high wind warning at Apr 9, 2021, 1:43 AM MDT for Meade County, Pennington County, South Dakota. It was in force for 12 hr. 59 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 9, 2021, 1:43 AM MDT (07:43 UTC)
Expired
Apr 9, 2021, 1:18 PM MDT
In force
12 hr
Issued by
NWS Rapid City, SD

Counties Meade County, SD, Pennington County, SD

The radar

The Rapid City radar (KUDX), 18 km from the middle of the area, began a volume at 07:44 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.

What was reported inside it

TimeReportWhereRemark
Apr 9, 1:45 AM MDTNON-TSTM WND GST 531 W Box Elder, SD
Apr 9, 1:50 AM MDTNON-TSTM WND GST 575 Wnw New Underwood, SD
Apr 9, 1:50 AM MDTNON-TSTM WND GST 623 Nw Wasta, SD
Apr 9, 1:52 AM MDTNON-TSTM WND GST 561 E Dwtn Rapid City, SD
Apr 9, 2:04 AM MDTNON-TSTM WND GST 60Rapid City Arpt, SD
Apr 9, 2:05 AM MDTNON-TSTM WND GST 501 Ene Mud Butte, SD
Apr 9, 2:05 AM MDTNON-TSTM WND GST 531 W Box Elder, SD
Apr 9, 2:05 AM MDTNON-TSTM WND GST 56Ellsworth Afb, SD
Apr 9, 2:05 AM MDTNON-TSTM WND GST 623 Nw Wasta, SD
Apr 9, 2:05 AM MDTNON-TSTM WND GST 653 Nnw Scenic, SD
Apr 9, 2:15 AM MDTNON-TSTM WND GST 615 Wnw New Underwood, SD
Apr 9, 2:20 AM MDTNON-TSTM WND GST 578 S Wall, SD
Apr 9, 2:38 AM MDTNON-TSTM WND GST 521 E Dwtn Rapid City, SD
Apr 9, 3:10 AM MDTNON-TSTM WND GST 583 Nw Wasta, SD
Apr 9, 3:13 AM MDTNON-TSTM WND GST 511 E Dwtn Rapid City, SD
Apr 9, 3:20 AM MDTNON-TSTM WND GST 538 S Wall, SD
Apr 9, 3:25 AM MDTNON-TSTM WND GST 515 Wnw New Underwood, SD
Apr 9, 3:29 AM MDTNON-TSTM WND GST 54Rapid City Arpt, SD
Apr 9, 3:35 AM MDTNON-TSTM WND GST 593 Nnw Scenic, SD
Apr 9, 4:11 AM MDTNON-TSTM WND GST 553 Nw Wasta, SD
Apr 9, 4:20 AM MDTNON-TSTM WND GST 558 S Wall, SD
Apr 9, 4:26 AM MDTNON-TSTM WND GST 553 Nnw Scenic, SD
Apr 9, 4:47 AM MDTNON-TSTM WND GST 54Rapid City Arpt, SD
Apr 9, 4:52 AM MDTNON-TSTM WND GST 515 Wnw New Underwood, SD
Apr 9, 5:08 AM MDTNON-TSTM WND GST 55Rapid City Arpt, SD
Apr 9, 5:20 AM MDTNON-TSTM WND GST 508 S Wall, SD
Apr 9, 5:45 AM MDTNON-TSTM WND GST 511 Ene Mud Butte, SD
Apr 9, 5:50 AM MDTNON-TSTM WND GST 533 Nnw Scenic, SD
Apr 9, 6:12 AM MDTNON-TSTM WND GST 503 Nw Wasta, SD
Apr 9, 6:12 AM MDTNON-TSTM WND GST 543 Nnw Scenic, SD
Apr 9, 6:51 AM MDTNON-TSTM WND GST 52Rapid City Arpt, SD
Apr 9, 7:20 AM MDTNON-TSTM WND GST 583 Nnw Scenic, SD
Apr 9, 7:30 AM MDTNON-TSTM WND GST 533 Nw Wasta, SD
Apr 9, 7:35 AM MDTNON-TSTM WND GST 515 Wnw New Underwood, SD
Apr 9, 7:39 AM MDTNON-TSTM WND GST 52Ellsworth Afb, SD
Apr 9, 7:42 AM MDTNON-TSTM WND GST 55Rapid City Arpt, SD
Apr 9, 8:06 AM MDTNON-TSTM WND GST 613 Nnw Scenic, SD
Apr 9, 8:11 AM MDTNON-TSTM WND GST 583 Nw Wasta, SD
Apr 9, 8:31 AM MDTNON-TSTM WND GST 501 Ene Mud Butte, SD
Apr 9, 8:32 AM MDTNON-TSTM WND GST 58Rapid City Arpt, SD
Apr 9, 8:41 AM MDTNON-TSTM WND GST 521 W Box Elder, SD
Apr 9, 8:51 AM MDTNON-TSTM WND GST 51Ellsworth Afb, SD
Apr 9, 9:07 AM MDTNON-TSTM WND GST 55Ellsworth Afb, SD
Apr 9, 9:08 AM MDTNON-TSTM WND GST 61Rapid City Arpt, SD
Apr 9, 9:11 AM MDTNON-TSTM WND GST 521 W Box Elder, SD
Apr 9, 9:16 AM MDTNON-TSTM WND GST 603 Nnw Scenic, SD
Apr 9, 9:41 AM MDTNON-TSTM WND GST 533 Nw Wasta, SD
Apr 9, 10:05 AM MDTNON-TSTM WND GST 505 Wnw New Underwood, SD
Apr 9, 10:05 AM MDTNON-TSTM WND GST 62Rapid City Arpt, SD
Apr 9, 10:19 AM MDTNON-TSTM WND GST 543 Nnw Scenic, SD
Apr 9, 10:20 AM MDTNON-TSTM WND GST 528 S Wall, SD
Apr 9, 10:55 AM MDTNON-TSTM WND GST 513 Nw Wasta, SD
Apr 9, 10:55 AM MDTNON-TSTM WND GST 56Rapid City Arpt, SD
Apr 9, 11:04 AM MDTNON-TSTM WND GST 533 Nnw Scenic, SD
Apr 9, 11:22 AM MDTNON-TSTM WND GST 51Ellsworth Afb, SD
Apr 9, 11:51 AM MDTNON-TSTM WND GST 513 Nw Wasta, SD
Apr 9, 11:56 AM MDTNON-TSTM WND GST 52Rapid City Arpt, SD
Apr 9, 12:05 PM MDTNON-TSTM WND GST 513 Nw Wasta, SD
Apr 9, 12:40 PM MDTNON-TSTM WND GST 513 Nnw Scenic, SD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 7.7 hours before the alert went out and 26 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 2021-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 00:00Z on 2021-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3131 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

729 
WWUS73 KUNR 090743
NPWUNR

URGENT - WEATHER MESSAGE
National Weather Service Rapid City SD
143 AM MDT Fri Apr 9 2021

SDZ031-073-092200-
/O.UPG.KUNR.WI.Y.0008.000000T0000Z-210409T2200Z/
/O.NEW.KUNR.HW.W.0005.210409T0743Z-210409T2200Z/
Pennington Co Plains-Southern Meade Co Plains-
Including the cities of Box Elder, Caputa, Wall, Ellsworth AFB, 
and Union Center
143 AM MDT Fri Apr 9 2021

...HIGH WIND WARNING IN EFFECT UNTIL 4 PM MDT THIS AFTERNOON...

* WHAT...Northwest winds 30 to 45 mph with gusts to around 60 
  mph.

* WHERE...The Pennington County Plains and the Southern Meade 
  County Plains.

* WHEN...Until 4 PM MDT this afternoon.

* IMPACTS...Travel could be difficult, especially for high 
  profile vehicles. Strong winds can cause blowing dust, reduced 
  visibility, and flying debris.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons outdoors should watch for flying or falling objects that
may injure you. If you are driving, be prepared for sudden wind
gusts that can cause you to lose control of your vehicle,
especially on open stretches, or as you approach the crest of
hills. Also be alert for debris or dust blowing across the road.

&&

$$

SDZ043-092200-
/O.EXA.KUNR.WI.Y.0008.000000T0000Z-210409T2200Z/
Jackson-
Including the city of Kadoka
143 AM MDT Fri Apr 9 2021

...WIND ADVISORY IN EFFECT UNTIL 4 PM MDT THIS AFTERNOON...

* WHAT...Northwest winds 20 to 35 mph with gusts up to 50 mph.

* WHERE...Jackson County. This includes the Tribal Lands of the 
  Pine Ridge Reservation.

* WHEN...Until 4 PM MDT this afternoon.

* IMPACTS...Sudden wind gusts can cause drivers to lose control,
  especially in lightweight or high profile vehicles. Strong winds
  can cause blowing dust, reduced visibility, and flying debris.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

SDZ001-002-012>014-026-030-032-072-074-092200-
/O.CON.KUNR.WI.Y.0008.000000T0000Z-210409T2200Z/
Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-Rapid City-
Custer Co Plains-Haakon-Sturgis/Piedmont Foot Hills-
Hermosa Foot Hills-
Including the cities of Buffalo, Lemmon, Bison, Belle Fourche, 
Faith, Dupree, Rapid City, Folsom, Philip, Sturgis, Piedmont, 
Summerset, Hermosa, Buffalo Gap, and Fairburn
143 AM MDT Fri Apr 9 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM MDT THIS
AFTERNOON...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mph.

* WHERE...Portions of northwestern and southwestern South 
  Dakota. This includes the Tribal Lands of the Cheyenne River 
  Reservation.

* WHEN...Until 4 PM MDT this afternoon.

* IMPACTS...Sudden wind gusts can cause drivers to lose control,
  especially in lightweight or high profile vehicles. Strong winds
  can cause blowing dust, reduced visibility, and flying debris.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/unr
1 follow-up statement
212 
WWUS73 KUNR 091918
NPWUNR

URGENT - WEATHER MESSAGE
National Weather Service Rapid City SD
118 PM MDT Fri Apr 9 2021

SDZ031-073-092200-
/O.CAN.KUNR.HW.W.0005.000000T0000Z-210409T2200Z/
/O.EXA.KUNR.WI.Y.0008.000000T0000Z-210409T2200Z/
Pennington Co Plains-Southern Meade Co Plains-
Including the cities of Box Elder, Caputa, Wall, Ellsworth AFB, 
and Union Center
118 PM MDT Fri Apr 9 2021

...WIND ADVISORY IN EFFECT UNTIL 4 PM MDT THIS AFTERNOON...

* WHAT...Northwest winds 25 to 40 mph with gusts up to 55 mph.

* WHERE...The Pennington County Plains and the Southern Meade 
  County Plains.

* WHEN...Until 4 PM MDT this afternoon.

* IMPACTS...Sudden wind gusts can cause drivers to lose control, 
  especially in lightweight or high profile vehicles. Strong 
  winds can cause blowing dust, reduced visibility, and flying 
  debris.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

SDZ001-002-012>014-026-030-032-043-072-074-092200-
/O.CON.KUNR.WI.Y.0008.000000T0000Z-210409T2200Z/
Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-Rapid City-
Custer Co Plains-Haakon-Jackson-Sturgis/Piedmont Foot Hills-
Hermosa Foot Hills-
Including the cities of Buffalo, Lemmon, Bison, Belle Fourche, 
Faith, Dupree, Rapid City, Folsom, Philip, Kadoka, Sturgis, 
Piedmont, Summerset, Hermosa, Buffalo Gap, and Fairburn
118 PM MDT Fri Apr 9 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM MDT THIS
AFTERNOON...

* WHAT...Northwest winds 25 to 30 mph with gusts up to 45 mph.

* WHERE...Portions of northwestern and southwestern South 
  Dakota. This includes the Tribal Lands of the Pine Ridge 
  Reservation and the Cheyenne River Reservation.

* WHEN...Until 4 PM MDT this afternoon.

* IMPACTS...Sudden wind gusts can cause drivers to lose control, 
  especially in lightweight or high profile vehicles. Strong 
  winds can cause blowing dust, reduced visibility, and flying 
  debris.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/unr

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 3:21 AM MDTRed Flag WarningUNRPerkins, Ziebach16 hr

Nearby

High Wind Warnings in South Dakota, 2021Every high wind warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.