Alert archive / Colorado / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

August 26, 2021Cheyenne County, Kit Carson County, Colorado

NWS Goodland, KS issued this special weather statement at Aug 26, 2021, 2:20 PM MDT for Cheyenne County, Kit Carson County, Colorado. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 26, 2021, 2:20 PM MDT (20:20 UTC)
Expired: Aug 26, 2021, 3:15 PM MDT
In force: 55 min
Issued by: NWS Goodland, KS
Hail: 0.00 in
Wind: 55

Counties Cheyenne County, CO, Kit Carson County, CO

The radar

The Goodland radar (KGLD), 113 km from the middle of the area, began a volume at 20:21 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, 8.3 hours before the alert went out and 98 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: 852 J/kg
Mixed-layer CIN: -281 J/kg
Mixed-layer LCL: 1389 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 15 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 26, 1:29 PM MDT, 51 minutes earlier.

Area forecast discussion, Aug 26, 1:29 PM MDT, 51 minutes before

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</head>
<body>
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    <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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Hazardous weather outlook, Aug 26, 2:15 PM MDT, 5 minutes before

Hazardous Weather Outlook
National Weather Service Goodland KS
215 PM MDT Thu Aug 26 2021

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-272015-
Yuma-Kit Carson-Cheyenne-Rawlins-Decatur-Norton-Sherman-Thomas-
Sheridan-Graham-Wallace-Logan-Gove-Greeley-Wichita-Dundy-Hitchcock-
Red Willow-
215 PM MDT Thu Aug 26 2021 /315 PM CDT Thu Aug 26 2021/

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

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

Isolated severe thunderstorms are possible this afternoon, mainly
west of Highway 83 between 3 PM and 9 PM MDT. The primary hazards
are wind gusts up to 70 mph and hail up to one inch in diameter.

Elevated to Near Critical fire weather conditions are anticipated
this afternoon, mainly south of Interstate 70 in western Kansas.
Outdoor burning is highly discouraged.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH THURSDAY...

Elevated fire weather conditions are possible during the afternoon
hours on Monday, Tuesday, and Wednesday, mainly in eastern Colorado.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any severe or significant weather
to the National Weather Service in Goodland via social media or
telephone.

Vincent

In the hours before

Special weather statement, Aug 26, 1:33 PM MDT, 47 minutes before

Special Weather Statement
National Weather Service Goodland KS
133 PM MDT Thu Aug 26 2021

COZ091-092-262030-
Kit Carson County CO-Cheyenne County CO-
133 PM MDT Thu Aug 26 2021

...A strong thunderstorm will impact portions of northwestern
Cheyenne and southwestern Kit Carson Counties in east central
Colorado through 230 PM MDT...

At 132 PM MDT, Doppler radar was tracking a strong thunderstorm 12
miles south of Seibert, moving east at 20 mph.

HAZARD...Wind gusts up to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

This storm will remain over mainly rural areas of southwestern Kit
Carson County and northwestern Cheyenne County Counties in east
central Colorado.

This includes Interstate 70 in Colorado between mile markers 400 and
420.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3913 10316 3922 10315 3937 10260 3899 10258
      3886 10316
TIME...MOT...LOC 1932Z 249DEG 16KT 3913 10296

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

Vincent

Special weather statement, Aug 26, 2:20 PM MDT, 0 minutes before

Special Weather Statement
National Weather Service Goodland KS
220 PM MDT Thu Aug 26 2021

COZ091-092-262115-
Kit Carson County CO-Cheyenne County CO-
220 PM MDT Thu Aug 26 2021

...A strong thunderstorm will impact portions of western Cheyenne and
southwestern Kit Carson Counties in east central Colorado through 315
PM MDT...

At 219 PM MDT, Doppler radar was tracking a strong thunderstorm 10
miles east of Boyero, or 25 miles south of Flagler, moving east at 15
mph.

HAZARD...Wind gusts up to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

This storm will remain over mainly rural areas of southwestern Kit
Carson County and western Cheyenne County Counties in east central
Colorado, including the following locations... Wild Horse and Aroya.

This includes Interstate 70 in Colorado between mile markers 415 and
421.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3916 10316 3932 10258 3880 10256 3864 10317
TIME...MOT...LOC 2019Z 252DEG 13KT 3893 10308

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

Vincent

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 25, 6:00 PM MDT	Special Weather Statement	GLD	Logan	30 min
Aug 25, 6:17 PM MDT	Severe Thunderstorm Warning	GLD	Logan, Wallace, Wichita	43 min
Aug 25, 6:57 PM MDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Logan, Sherman, Thomas, Wallace	63 min
Aug 25, 7:58 PM MDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Thomas	34 min
Aug 25, 8:38 PM MDT	Special Weather Statement	GLD	Thomas	37 min
Aug 25, 8:53 PM MDT	Special Weather Statement	GLD	Sheridan	37 min
Aug 25, 9:21 PM MDT	Special Weather Statement	GLD	Sheridan	24 min
Aug 25, 9:43 PM MDT	Special Weather Statement	GLD	Decatur	32 min
Aug 25, 10:16 PM MDT	Special Weather Statement	GLD	Decatur	29 min
Aug 25, 10:45 PM MDT	Special Weather Statement	GLD	Norton	30 min
Aug 26, 3:16 PM MDT	Special Weather Statement	GLD	Cheyenne, Sherman	29 min
Aug 26, 3:45 PM MDT	Special Weather Statement	GLD	Cheyenne, Sherman	60 min
Aug 26, 4:41 PM MDT	Special Weather Statement	GLD	Rawlins	34 min
Aug 26, 5:06 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins, Sherman, Thomas	39 min
Aug 26, 5:07 PM MDT	Special Weather Statement	GLD	Wallace	23 min
Aug 26, 5:16 PM MDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Sherman, Thomas, Wallace	44 min
Aug 26, 5:28 PM MDT	Special Weather Statement	GLD	Sherman	32 min
Aug 26, 5:35 PM MDT	Special Weather Statement	GLD	Cheyenne	40 min
Aug 26, 1:33 PM MDT	Special Weather Statement	GLD	Kit Carson	57 min
Aug 26, 3:12 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	63 min
Aug 26, 4:05 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	48 min

Nearby

Special Weather Statements in Colorado, 2021 Every special weather statement 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.