Alert archive / South Dakota / Winter Weather Advisories in 2016
Winter Weather Advisory 9, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this winter weather advisory at Mar 23, 2016, 4:07 AM CDT for 6 counties in South Dakota; Lincoln County, Lyon County, Minnesota. It took effect at Mar 23, 2016, 10:00 AM CDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Mar 23, 2016, 4:07 AM CDT (09:07 UTC)
- In effect from
- Mar 23, 2016, 10:00 AM CDT
- Expired
- Mar 23, 2016, 9:11 PM CDT
- In force
- 11 hr
- Issued by
- NWS Sioux Falls, SD
Counties Lincoln County, MN, Lyon County, MN, Brookings County, SD, Davison County, SD, Hanson County, SD, Lake County, SD, Miner County, SD, Moody County, SD
The radar
The Sioux Falls radar (KFSD), 59 km from the middle of the area, began a volume at 09:05 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, 9.1 hours before the alert went out and 285 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
- 1405 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather 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 winter weather advisory went out at Mar 23, 3:52 AM CDT, 15 minutes earlier.
Area forecast discussion, Mar 23, 3:52 AM CDT, 15 minutes before
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</html>Hazardous weather outlook, Mar 22, 8:37 PM CDT, 7 hours 30 minutes before
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</html>Nearby
Winter Weather Advisories in South Dakota, 2016Winter Weather Advisories in Minnesota, 2016Every winter weather advisory 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.