Alert archive / South Dakota / Ice Storm Warnings in 2016
Ice Storm Warning 1, NWS Aberdeen, SD
NWS Aberdeen, SD issued this ice storm warning at Dec 24, 2016, 9:44 PM CST for 18 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Dec 25, 2016, 3:00 AM CST. It was in force for 24 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 24, 2016, 9:44 PM CST (03:44 UTC)
- In effect from
- Dec 25, 2016, 3:00 AM CST
- Expired
- Dec 26, 2016, 3:00 AM CST
- In force
- 24 hr
- Issued by
- NWS Aberdeen, SD
Counties Big Stone County, MN, Traverse County, MN, Brown County, SD, Clark County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Sully County, SD
The radar
The Aberdeen radar (KABR), 42 km from the middle of the area, began a volume at 03:49 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, 3.7 hours before the alert went out and 31 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 822 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 273 m²/s²
- 0-3 km storm-relative helicity
- 406 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this ice storm warning 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 ice storm warning went out at Dec 24, 7:09 PM CST, 2 hours 35 minutes earlier.
Area forecast discussion, Dec 24, 7:09 PM CST, 2 hours 35 minutes before
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</html>Hazardous weather outlook, Dec 24, 4:41 AM CST, 17 hours 3 minutes before
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Ice Storm Warnings in South Dakota, 2016Ice Storm Warnings in Minnesota, 2016Every ice storm warning 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.