Alert archive / South Dakota / Wind Chill Advisories in 2019
Wind Chill Advisory 5, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this wind chill advisory at Feb 4, 2019, 3:22 AM CST for 18 counties in South Dakota; Lyon County, Iowa; 8 counties in Minnesota. It was in force for 27 hr.
The area
The counties it named.
The facts
- Issued
- Feb 4, 2019, 3:22 AM CST (09:22 UTC)
- Expired
- Feb 5, 2019, 6:00 AM CST
- In force
- 27 hr
- Issued by
- NWS Sioux Falls, SD
All 27 counties
Lyon County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Aurora County, SD, Beadle County, SD, Brookings County, SD, Brule County, SD, Davison County, SD, Douglas County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD
The radar
The Sioux Falls radar (KFSD), 41 km from the middle of the area, began a volume at 09:25 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
Minneapolis, MN (KMPX), launched 00:00Z, 9.4 hours before the alert went out and 298 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
- 585 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 153 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 chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before this wind chill advisory went out at Feb 3, 11:43 PM CST, 3 hours 39 minutes earlier.
Area forecast discussion, Feb 3, 11:43 PM CST, 3 hours 39 minutes before
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</html>Hazardous weather outlook, Feb 3, 3:44 PM CST, 11 hours 38 minutes before
Hazardous Weather Outlook National Weather Service Sioux Falls SD 344 PM CST Sun Feb 3 2019 IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097- 098-NEZ014-SDZ040-056-062-067-071-041045- Lyon IA-Osceola-Dickinson-Sioux-O'Brien-Clay IA-Plymouth-Cherokee- Buena Vista-Woodbury-Ida-Lincoln MN-Lyon MN-Murray-Cottonwood- Nobles-Jackson-Pipestone-Rock-Dakota-Brookings-Moody-Minnehaha- Lincoln SD-Union- 344 PM CST Sun Feb 3 2019 This Hazardous Weather Outlook is for portions of northwest Iowa, west central Iowa, southwest Minnesota, northeast Nebraska, east central South Dakota, and southeast South Dakota. .DAY ONE...Today and Tonight Areas of fog will reduce visibilities to a quarter mile or less at times this evening. Drizzle and freezing drizzle will be possible this evening into early Monday morning. The heaviest ice accumulations will be across southwest Minnesota where up to a tenth of an inch looks possible. The wintry mix will transition to very light snow, mostly along and north of I-90. Strong north winds up to 35 mph are expected late this evening. .DAYS TWO THROUGH SEVEN...Monday through Saturday Arctic airmass return this week with sub-zero temperatures and wind chills as cold as 20 to 35 below zero. Additional snowfall is expected Tuesday through Thursday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NEZ013-SDZ038-039-050-052>055-057>061-063>066-068>070-041045- Dixon-Beadle-Kingsbury-Gregory-Jerauld-Sanborn-Miner-Lake-Brule- Aurora-Davison-Hanson-McCook-Charles Mix-Douglas-Hutchinson- Turner-Bon Homme-Yankton-Clay SD- 344 PM CST Sun Feb 3 2019 This Hazardous Weather Outlook is for portions of northeast Nebraska, central South Dakota, east central South Dakota, south central South Dakota, and southeast South Dakota. .DAY ONE...Today and Tonight A wintry mix with drizzle/freezing drizzle and sleet will be possible this evening into early Monday morning. The wintry mix will transition to very light snow, mostly along and north of I-90. Light ice or sleet accumulation is expected. Snowfall totals from a dusting to less than an inch will be possible. Strong north winds up to 35 mph are expected late this evening. .DAYS TWO THROUGH SEVEN...Monday through Saturday Arctic airmass return this week with sub-zero temperatures and wind chills as cold as 20 to 35 below zero. Additional snowfall is expected Tuesday through Thursday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
Nearby
Wind Chill Advisories in South Dakota, 2019Wind Chill Advisories in Minnesota, 2019Wind Chill Advisories in Iowa, 2019Every wind chill advisory 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.