Alert archive / Kansas / Winter Weather Advisories in 2021
Winter Weather Advisory 3, NWS Wichita, KS
NWS Wichita, KS issued this winter weather advisory at Feb 5, 2021, 3:39 PM CST for 8 counties in Kansas. It took effect at Feb 6, 2021, 3:00 AM CST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Feb 5, 2021, 3:39 PM CST (21:39 UTC)
- In effect from
- Feb 6, 2021, 3:00 AM CST
- Expired
- Feb 6, 2021, 5:38 PM CST
- In force
- 15 hr
- Issued by
- NWS Wichita, KS
Counties Allen County, KS, Chase County, KS, Greenwood County, KS, Lincoln County, KS, Marion County, KS, McPherson County, KS, Saline County, KS, Woodson County, KS
The radar
The Topeka radar (KTWX), 91 km from the middle of the area, began a volume at 21:40 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
Topeka, KS (KTOP), launched 12:00Z, 9.7 hours before the alert went out and 127 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
- 1490 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 86 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 Wichita, KS wrote its last area forecast discussion before this winter weather advisory went out at Feb 5, 2:46 PM CST, 53 minutes earlier.
Area forecast discussion, Feb 5, 2:46 PM CST, 53 minutes before
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</html>Hazardous weather outlook, Feb 5, 4:01 AM CST, 11 hours 38 minutes before
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Winter Weather Advisories in Kansas, 2021Every winter weather advisory in 2021
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.