Alert archive / South Dakota / Wind Advisories in 2023
Wind Advisory 12, NWS Aberdeen, SD
NWS Aberdeen, SD issued this wind advisory at Apr 30, 2023, 2:38 AM CDT for 5 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Apr 30, 2023, 10:00 AM CDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Apr 30, 2023, 2:38 AM CDT (07:38 UTC)
- In effect from
- Apr 30, 2023, 10:00 AM CDT
- Expired
- Apr 30, 2023, 8:00 PM CDT
- In force
- 10 hr
- Issued by
- NWS Aberdeen, SD
Counties Big Stone County, MN, Traverse County, MN, Codington County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Roberts County, SD
The radar
The Aberdeen radar (KABR), 129 km from the middle of the area, began a volume at 07:43 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
Aberdeen, SD (KABR), launched 00:00Z, 7.6 hours before the alert went out and 130 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
- 16 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1904 m above ground
- 0-6 km bulk shear
- 88 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Aberdeen, SD wrote its last area forecast discussion before this wind advisory went out at Apr 30, 12:26 AM CDT, 2 hours 12 minutes earlier.
Area forecast discussion, Apr 30, 12:26 AM CDT, 2 hours 12 minutes before
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</html>Hazardous weather outlook, Apr 29, 4:14 AM CDT, 22 hours 24 minutes before
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</html>Nearby
Wind Advisories in South Dakota, 2023Wind Advisories in Minnesota, 2023Every wind advisory in 2023
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.