Alert archive / Kansas / Winter Weather Advisories in 2021
Winter Weather Advisory 8, NWS Goodland, KS
NWS Goodland, KS issued this winter weather advisory at Apr 15, 2021, 3:34 AM CDT for 4 counties in Kansas; Kit Carson County, Yuma County, Colorado; Dundy County, Hitchcock County, Nebraska. It took effect at Apr 15, 2021, 7:00 PM CDT. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Apr 15, 2021, 3:34 AM CDT (08:34 UTC)
- In effect from
- Apr 15, 2021, 7:00 PM CDT
- Expired
- Apr 16, 2021, 12:57 PM CDT
- In force
- 18 hr
- Issued by
- NWS Goodland, KS
Counties Kit Carson County, CO, Yuma County, CO, Cheyenne County, KS, Rawlins County, KS, Sherman County, KS, Thomas County, KS, Dundy County, NE, Hitchcock County, NE
The radar
The Goodland radar (KGLD), 42 km from the middle of the area, began a volume at 08:31 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 8.6 hours before the alert went out and 179 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
- 1718 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 115 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 Goodland, KS wrote its last area forecast discussion before this winter weather advisory went out at Apr 15, 2:47 AM CDT, 47 minutes earlier.
Area forecast discussion, Apr 15, 2:47 AM CDT, 47 minutes before
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</html>Hazardous weather outlook, Apr 14, 9:45 PM CDT, 5 hours 49 minutes before
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</html>Nearby
Winter Weather Advisories in Kansas, 2021Winter Weather Advisories in Colorado, 2021Winter Weather Advisories in Nebraska, 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.