Alert archive / Kansas / Winter Weather Advisories in 2021

Winter Weather Advisory 2, NWS Goodland, KS

January 24, 20217 counties in Kansas; Hitchcock County, Red Willow County, Nebraska

NWS Goodland, KS issued this winter weather advisory at Jan 24, 2021, 7:15 PM CST for 7 counties in Kansas; Hitchcock County, Red Willow County, Nebraska. It took effect at Jan 25, 2021, 1:07 PM CST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jan 24, 2021, 7:15 PM CST (01:15 UTC)
In effect from
Jan 25, 2021, 1:07 PM CST
Expired
Jan 26, 2021, 3:05 AM CST
In force
14 hr
Issued by
NWS Goodland, KS

Counties Decatur County, KS, Gove County, KS, Graham County, KS, Norton County, KS, Rawlins County, KS, Sheridan County, KS, Thomas County, KS, Hitchcock County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 104 km from the middle of the area, began a volume at 01:14 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

Dodge City, (KDDC), launched 00:00Z, 1.3 hours before the alert went out and 214 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-pSkew-T log-p diagram, Dodge City, at 00:00Z on 2021-01-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 00:00Z on 2021-01-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 377 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
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
963 m above ground
0-6 km bulk shear
93 kt
0-1 km storm-relative helicity
377 m²/s²
0-3 km storm-relative helicity
464 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 24, 4:50 PM CST, 2 hours 25 minutes earlier.

Area forecast discussion, Jan 24, 4:50 PM CST, 2 hours 25 minutes before
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Hazardous weather outlook, Jan 24, 12:06 PM CST, 7 hours 9 minutes before
Hazardous Weather Outlook
National Weather Service Goodland KS
1106 AM MST Sun Jan 24 2021

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-251815-
Yuma-Kit Carson-Cheyenne-Rawlins-Decatur-Norton-Sherman-Thomas-
Sheridan-Graham-Wallace-Logan-Gove-Greeley-Wichita-Dundy-Hitchcock-
Red Willow-
1106 AM MST Sun Jan 24 2021 /1206 PM CST Sun Jan 24 2021/

This hazardous weather outlook is for extreme southwest Nebraska...
northwest Kansas and east central Colorado.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

A Winter Weather Advisory begins tonight for those along and east of
the Colorado border. Light snowfall is expected to move up from the
south tonight with amounts ranging from a few tenths of an inch to
two inches.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SUNDAY...

A Winter Weather Advisory remains in effect for those along and east
of the Colorado border through Tuesday night. Light to moderate
snowfall is expected Monday, with most of the snow occurring during
the morning. There will be a lull Monday night before the next round
of snow moves in from the southwest late Monday night and Tuesday
morning. The second round of snow will increase in coverage Tuesday,
with the best chance occurring during the afternoon. Snow will end
Tuesday night.  Additional snowfall of two to seven inches are
expected Monday through Tuesday night. Motorists should be prepared
for difficult driving conditions.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time. However snowfall
and visibility reports are appreciated tonight through Tuesday
night.

JTL

In the hours before

Local storm report, Jan 24, 5:42 PM CST, 1 hour 33 minutes before
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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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.

IssuedProductOfficeCountiesLasted
Jan 24, 7:15 PM CSTWinter Storm WarningGLDDecatur, Gove, Graham, Norton, Sheridan18 hr
Jan 25, 5:55 PM CSTWinter Weather AdvisoryGLDDecatur, Norton9 hr

Nearby

Winter Weather Advisories in Kansas, 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.