Alert archive / South Dakota / Wind Chill Warnings in 2019

Wind Chill Warning 1, NWS Aberdeen, SD

January 28, 201926 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this wind chill warning at Jan 28, 2019, 3:13 AM CST for 26 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Jan 29, 2019, 12:00 AM CST. It was in force for 60 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: Jan 28, 2019, 3:13 AM CST (09:13 UTC)
In effect from: Jan 29, 2019, 12:00 AM CST
Expired: Jan 31, 2019, 12:00 PM CST
In force: 60 hr
Issued by: NWS Aberdeen, SD

All 28 counties

Big Stone County, MN, Traverse County, MN, Brown County, SD, Buffalo County, SD, Campbell County, SD, Clark County, SD, Codington County, SD, Corson County, SD, Day County, SD, Deuel County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 56 km from the middle of the area, began a volume at 09:13 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, 9.2 hours before the alert went out and 34 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 419 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 405 m²/s²
0-3 km storm-relative helicity: 423 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind chill 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 wind chill warning went out at Jan 27, 5:32 PM CST, 9 hours 41 minutes earlier.

Area forecast discussion, Jan 27, 5:32 PM CST, 9 hours 41 minutes before

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Hazardous weather outlook, Jan 27, 4:52 AM CST, 22 hours 21 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 27, 8:23 PM CST	Winter Weather Advisory	ABR	Brown, Clark, Codington, Day, Deuel, Edmunds and 7 more	16 hr
Jan 28, 3:09 AM CST	Wind Advisory	ABR	Buffalo, Corson, Dewey, Hand, Hughes, Hyde and 4 more	7 hr
Jan 28, 3:13 AM CST	Wind Chill Advisory	ABR	Jones, Lyman, Stanley	35 hr
Jan 28, 2:46 PM CST	Winter Weather Advisory	ABR	Brown, Clark, Codington, Day, Deuel, Edmunds and 7 more	27 hr

Nearby

Wind Chill Warnings in South Dakota, 2019 Wind Chill Warnings in Minnesota, 2019 Every wind chill warning in 2019

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.