Alert archive / South Dakota / Wind Advisories in 2017
Wind Advisory 11, NWS Rapid City, SD
NWS Rapid City, SD issued this wind advisory at Jun 10, 2017, 1:10 AM MDT for Meade County, Pennington County, South Dakota. It took effect at Jun 10, 2017, 2:00 AM MDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jun 10, 2017, 1:10 AM MDT (07:10 UTC)
- In effect from
- Jun 10, 2017, 2:00 AM MDT
- Expired
- Jun 10, 2017, 6:26 AM MDT
- In force
- 4 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 07:12 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
Bismarck Municip, ND (KBIS), launched 00:00Z, 7.2 hours before the alert went out and 320 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.
- Mixed-layer CAPE
- 1523 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 2862 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
What forecasters said that day
The local office's own words before this wind advisory 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 wind advisory went out at Jun 9, 10:43 PM MDT, 2 hours 27 minutes earlier.
Area forecast discussion, Jun 9, 10:43 PM MDT, 2 hours 27 minutes before
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Wind Advisories in South Dakota, 2017Every wind advisory in 2017
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.