Alert archive / Kansas / Winter Weather Advisories in 2021

Winter Weather Advisory 3, NWS Goodland, KS

January 25, 2021Decatur County, Norton County, Kansas

NWS Goodland, KS issued this winter weather advisory at Jan 25, 2021, 5:55 PM CST for Decatur County, Norton County, Kansas. It took effect at Jan 25, 2021, 6:00 PM CST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jan 25, 2021, 5:55 PM CST (23:55 UTC)
In effect from: Jan 25, 2021, 6:00 PM CST
Expired: Jan 26, 2021, 3:05 AM CST
In force: 9 hr
Issued by: NWS Goodland, KS

Counties Decatur County, KS, Norton County, KS

The radar

The Goodland radar (KGLD), 138 km from the middle of the area, began a volume at 23:54 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

Denver, CO (KDNR), launched 12:00Z, 11.9 hours before the alert went out and 260 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: 818 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: -7 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 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 Jan 25, 5:47 PM CST, 8 minutes earlier.

Area forecast discussion, Jan 25, 5:47 PM CST, 8 minutes before

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Hazardous weather outlook, Jan 25, 2:32 PM CST, 3 hours 23 minutes before

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In the hours before

Local storm report, Jan 25, 4:03 PM CST, 1 hour 52 minutes before

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Local storm report, Jan 25, 4:09 PM CST, 1 hour 46 minutes before

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Local storm report, Jan 25, 4:15 PM CST, 1 hour 40 minutes before

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Local storm report, Jan 25, 4:21 PM CST, 1 hour 34 minutes before

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Local storm report, Jan 25, 4:29 PM CST, 1 hour 26 minutes before

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Local storm report, Jan 25, 4:36 PM CST, 1 hour 19 minutes before

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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 24, 7:15 PM CST	Winter Storm Warning	GLD	Decatur, Gove, Graham, Norton, Sheridan	18 hr
Jan 24, 7:15 PM CST	Winter Weather Advisory	GLD	Decatur, Gove, Graham, Norton, Rawlins, Sheridan and 1 more	32 hr

Nearby

Winter Weather Advisories in Kansas, 2021 Every 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.