Alert archive / Colorado / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

August 10, 2021Kit Carson County, Colorado

NWS Goodland, KS issued this special weather statement at Aug 10, 2021, 5:29 PM MDT for Kit Carson County, Colorado. It was in force for 31 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 10, 2021, 5:29 PM MDT (23:29 UTC)
Expired
Aug 10, 2021, 6:00 PM MDT
In force
31 min
Issued by
NWS Goodland, KS
Hail
0.50 in
Wind
30

County Kit Carson County, CO

The radar

The Goodland radar (KGLD), 97 km from the middle of the area, began a volume at 23:28 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 12:00Z, 11.5 hours before the alert went out and 292 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 12:00Z on 2021-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 672 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2021-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.193958Sfc1 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
672 J/kg
Mixed-layer CIN
-516 J/kg
Mixed-layer LCL
2007 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 10, 2:49 PM MDT, 2 hours 40 minutes earlier.

Area forecast discussion, Aug 10, 2:49 PM MDT, 2 hours 40 minutes before
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Hazardous weather outlook, Aug 10, 11:57 AM MDT, 5 hours 32 minutes before
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In the hours before

Special weather statement, Aug 10, 4:34 PM MDT, 55 minutes before
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Special weather statement, Aug 10, 5:02 PM MDT, 27 minutes before
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Special weather statement, Aug 10, 5:29 PM MDT, 0 minutes before
Special Weather Statement
National Weather Service Goodland KS
529 PM MDT Tue Aug 10 2021

COZ091-092-110000-
Kit Carson County CO-Cheyenne County CO-
529 PM MDT Tue Aug 10 2021

...A strong thunderstorm will impact portions of northwestern
Cheyenne and south central Kit Carson Counties in east central
Colorado through 600 PM MDT...

At 529 PM MDT, Doppler radar was tracking a strong thunderstorm 11
miles south of Vona, or 12 miles southeast of Seibert, moving
southeast at 20 mph.

HAZARD...Half inch hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3914 10288 3922 10282 3915 10258 3896 10274
TIME...MOT...LOC 2329Z 307DEG 16KT 3913 10277

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...<30 MPH

AW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 6:21 PM MDTSpecial Weather StatementGLDCheyenne24 min
Aug 9, 6:30 PM MDTSevere Thunderstorm WarningGLDCheyenne30 min
Aug 9, 6:55 PM MDTSpecial Weather StatementGLDCheyenne35 min
Aug 9, 7:21 PM MDTSpecial Weather StatementGLDCheyenne9 min
Aug 9, 7:31 PM MDTSpecial Weather StatementGLDCheyenne44 min
Aug 9, 8:16 PM MDTSpecial Weather StatementGLDCheyenne44 min
Aug 9, 10:32 PM MDTSpecial Weather StatementGLDNorton28 min
Aug 9, 11:01 PM MDTSpecial Weather StatementGLDNorton44 min
Aug 9, 11:19 PM MDTSpecial Weather StatementGLDGraham41 min
Aug 9, 11:33 PM MDTSevere Thunderstorm WarningGLDGraham41 min
Aug 10, 12:03 AM MDTSpecial Weather StatementGLDNorton42 min
Aug 9, 10:10 PM MDTSpecial Weather StatementGLDYuma35 min
Aug 10, 4:34 PM MDTSpecial Weather StatementGLDKit Carson26 min
Aug 10, 5:02 PM MDTSpecial Weather StatementGLDKit Carson28 min
Aug 10, 5:59 PM MDTSpecial Weather StatementGLDCheyenne31 min
Aug 9, 6:02 PM MDTSpecial Weather StatementGLDDundy43 min
Aug 9, 8:57 PM MDTSpecial Weather StatementGLDDundy33 min
Aug 9, 9:31 PM MDTSpecial Weather StatementGLDDundy29 min
Aug 9, 9:41 PM MDTSpecial Weather StatementGLDDundy34 min
Aug 9, 10:46 PM MDTSpecial Weather StatementGLDDundy44 min
Aug 9, 10:48 PM MDTSpecial Weather StatementGLDHitchcock27 min
Aug 9, 11:05 PM MDTSpecial Weather StatementGLDRed Willow40 min

Nearby

Special Weather Statements in Colorado, 2021Every 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.