Alert archive / Colorado / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

July 25, 2021Kit Carson County, Colorado

NWS Goodland, KS issued this special weather statement at Jul 25, 2021, 1:52 PM MDT for Kit Carson County, Colorado. It was in force for 23 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
Jul 25, 2021, 1:52 PM MDT (19:52 UTC)
Expired
Jul 25, 2021, 2:15 PM MDT
In force
23 min
Issued by
NWS Goodland, KS

County Kit Carson County, CO

The radar

The Goodland radar (KGLD), 62 km from the middle of the area, began a volume at 19:52 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, 7.9 hours before the alert went out and 93 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, Denver, CO at 12:00Z on 2021-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Denver, CO at 12:00Z on 2021-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.1939Sfc1 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
1 J/kg
Mixed-layer CIN
-359 J/kg
Mixed-layer LCL
2126 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
19 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 Jul 25, 9:07 AM MDT, 4 hours 45 minutes earlier.

Area forecast discussion, Jul 25, 9:07 AM MDT, 4 hours 45 minutes before
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<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
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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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Hazardous weather outlook, Jul 25, 12:48 PM MDT, 1 hour 4 minutes before
Hazardous Weather Outlook
National Weather Service Goodland KS
1248 PM MDT Sun Jul 25 2021

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-261900-
Yuma-Kit Carson-Cheyenne-Rawlins-Decatur-Norton-Sherman-Thomas-
Sheridan-Graham-Wallace-Logan-Gove-Greeley-Wichita-Dundy-Hitchcock-
Red Willow-
1248 PM MDT Sun Jul 25 2021 /148 PM CDT Sun Jul 25 2021/

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

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

Scattered thunderstorms may develop across portions of the Tri-State
area this afternoon, mainly in eastern Colorado between 1 PM and 8 PM
MDT. Hazards include locally heavy rainfall, dangerous cloud to
ground lightning, and wind gusts up to 50 mph. Severe thunderstorms
are not anticipated.

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

High temperatures will approach or exceed 100 degrees across portions
of the Tri-State area this week, mainly along and east of Kansas
Highway 25 on Wednesday, Thursday, and Friday.

Dry conditions will prevail through mid-week. Scattered
thunderstorms cannot be ruled out during the afternoon and evening
hours late this week into next weekend.

.SPOTTER INFORMATION STATEMENT...

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

Vincent

In the hours before

Local storm report, Jul 25, 10:31 AM MDT, 3 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
1031 AM MDT SUN JUL 25 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0745 AM     DENSE FOG        1 W CHEYENNE WELLS      38.82N 102.37W
07/25/2021                   CHEYENNE           CO   BROADCAST MEDIA

            DELAYED REPORT. VIAERO CAMERA IN
            CHEYENNE-WELLS SHOWS NEAR ZERO VISIBILITY
            DUE TO DENSE FOG.

&&
Local storm report, Jul 25, 10:32 AM MDT, 3 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE GOODLAND KS
1032 AM MDT SUN JUL 25 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0646 AM     DENSE FOG        13 NNW LEOTI            38.65N 101.45W
07/25/2021                   WICHITA            KS   LAW ENFORCEMENT

            DISPATCH REPORTED DENSE FOG IN NORTHERN
            PORTIONS OF THE COUNTY SINCE 530 AM. COULD
            NOT SEE ACROSS THE ROAD COMING TO WORK.
            1/4SM AT TIMES.

0639 AM     DENSE FOG        SHARON SPRINGS          38.90N 101.75W
07/25/2021                   WALLACE            KS   LAW ENFORCEMENT

            DISPATCH REPORTED DENSE FOG VISIBILITY 1/2SM
            TO 1/4SM AT TIMES.

0535 AM     DENSE FOG        2 NNW MINGO             39.31N 100.97W
07/25/2021                   THOMAS             KS   DEPT OF HIGHWAYS

            KDOT HIGHWAY CAMERA EXIT 62. 1/4SM
            VISIBILITY.

0648 AM     DENSE FOG        1 SSW KANORADO          39.33N 102.04W
07/25/2021                   SHERMAN            KS   DEPT OF HIGHWAYS

            KDOT HIGHWAY CAMERA MM5 VISIBILITY 1/2SM TO
            1SM.

0515 AM     DENSE FOG        2 ESE OAKLEY            39.11N 100.81W
07/25/2021                   LOGAN              KS   AWOS

            1/4SM IN DENSE FOG.

0535 AM     DENSE FOG        3 SE OAKLEY             39.10N 100.82W
07/25/2021                   LOGAN              KS   AWOS

            AWOS STATION KOEL 2 ESE OAKLEY.

0633 AM     DENSE FOG        1 S TRIBUNE             38.45N 101.75W
07/25/2021                   GREELEY            KS   AWOS

            1/4SM.

0553 AM     DENSE FOG        2 WSW CAMPUS            39.11N 100.78W
07/25/2021                   GOVE               KS   DEPT OF HIGHWAYS

            KDOT HIGHWAY CAMERA MM78 EAST OF OAKLEY
            1/4SM TO M1/4SM.

0558 AM     DENSE FOG        1 WSW GRAINFIELD        39.11N 100.48W
07/25/2021                   GOVE               KS   DEPT OF HIGHWAYS

            KDOT HIGHWAY CAMERA EXIT 93 GRAINFIELD.
            1/4SM TO M1/4SM.

0621 AM     DENSE FOG        BURLINGTON              39.30N 102.26W
07/25/2021                   KIT CARSON         CO   DEPT OF HIGHWAYS

            CDOT HIGHWAY CAMERAS NEAR I-70 SHOWING 1/4SM
            TO 1/2SM.

0626 AM     DENSE FOG        4 S BURLINGTON          39.24N 102.28W
07/25/2021                   KIT CARSON         CO   ASOS

            1/4SM.

0653 AM     DENSE FOG        5 S BURLINGTON          39.23N 102.28W
07/25/2021                   KIT CARSON         CO   ASOS

            ASOS STATION KITR BURLINGTON CO AIRPORT.

0745 AM     DENSE FOG        1 W CHEYENNE WELLS      38.82N 102.37W
07/25/2021                   CHEYENNE           CO   BROADCAST MEDIA

            DELAYED REPORT. VIAERO CAMERA IN
            CHEYENNE-WELLS SHOWS NEAR ZERO VISIBILITY
            DUE TO DENSE FOG.

&&
Special weather statement, Jul 25, 10:49 AM MDT, 3 hours 3 minutes before
Special Weather Statement
National Weather Service Goodland KS
1149 AM CDT Sun Jul 25 2021

KSZ015-251730-
Sheridan KS-
1149 AM CDT Sun Jul 25 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL SHERIDAN COUNTY UNTIL
1230 PM CDT...

At 1146 AM CDT, Doppler radar was tracking isolated thunderstorms 7
miles southwest of Hoxie, moving northeast at 5 mph.

Locally heavy rainfall, frequent cloud to ground lightning, and wind
gusts up to 45 mph can be expected with these storms.

Locations impacted include...
Hoxie, Seguin and Tasco.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall with these storms may lead to brief localized
flooding. Do not drive your vehicle through flooded roadways.

Lightning can strike 10 miles away from a thunderstorm. Seek safe
shelter inside a building or vehicle.

&&

LAT...LON 3915 10054 3931 10072 3957 10043 3957 10018
      3947 10016 3941 10016
TIME...MOT...LOC 1646Z 226DEG 6KT 3928 10055

Vincent
Special weather statement, Jul 25, 1:05 PM MDT, 47 minutes before
Special Weather Statement
National Weather Service Goodland KS
105 PM MDT Sun Jul 25 2021

COZ091-252000-
Kit Carson County CO-
105 PM MDT Sun Jul 25 2021

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN KIT CARSON COUNTY UNTIL
200 PM MDT...

At 103 PM MDT, Doppler radar was tracking a strong thunderstorm 5
miles southwest of Flagler, moving east at 5 mph.

Heavy rainfall, frequent cloud to ground lightning, and wind gusts
up to 55 mph are possible with this storm.

Locations impacted include...
Flagler, Seibert and Vona.

This includes Interstate 70 in Colorado between mile markers 391 and
414.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall may lead to localized flooding. Do not drive
your vehicle through flooded roadways.

Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3913 10316 3917 10315 3947 10315 3948 10273
      3904 10268 3904 10316
TIME...MOT...LOC 1903Z 260DEG 5KT 3923 10314

Vincent
Special weather statement, Jul 25, 1:46 PM MDT, 6 minutes before
Special Weather Statement
National Weather Service Goodland KS
146 PM MDT Sun Jul 25 2021

COZ091-252000-
Kit Carson County CO-
146 PM MDT Sun Jul 25 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN KIT CARSON COUNTY
UNTIL 200 PM MDT...

At 146 PM MDT, Doppler radar was tracking a strong thunderstorm 10
miles southeast of Thurman, or 14 miles north of Flagler, moving
northeast at 20 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

This storm will remain over mainly rural areas of northwestern Kit
Carson County.

LAT...LON 3941 10315 3956 10315 3957 10280 3945 10280
      3935 10314 3939 10316
TIME...MOT...LOC 1946Z 240DEG 17KT 3951 10305

024
Special weather statement, Jul 25, 1:52 PM MDT, 0 minutes before
Special Weather Statement
National Weather Service Goodland KS
152 PM MDT Sun Jul 25 2021

COZ091-252015-
Kit Carson County CO-
152 PM MDT Sun Jul 25 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL KIT CARSON COUNTY UNTIL
215 PM MDT...

At 151 PM MDT, Doppler radar was tracking a strong thunderstorm over
Bethune, or 7 miles west of Burlington, moving west at 10 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Bethune.

This includes Interstate 70 in Colorado between mile markers 421 and
434.

LAT...LON 3936 10230 3919 10234 3918 10261 3944 10256
TIME...MOT...LOC 1951Z 098DEG 7KT 3929 10242

024

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 7:38 PM MDTSpecial Weather StatementGLDGraham22 min
Jul 24, 8:22 PM MDTSpecial Weather StatementGLDGraham23 min
Jul 25, 5:42 AM MDTDense Fog AdvisoryGLDGove, Greeley, Logan, Sheridan, Sherman, Thomas and 2 more3 hr
Jul 25, 10:49 AM MDTSpecial Weather StatementGLDSheridan41 min
Jul 25, 1:05 PM MDTSpecial Weather StatementGLDKit Carson55 min
Jul 25, 1:46 PM MDTSpecial Weather StatementGLDKit Carson14 min
Jul 25, 2:01 PM MDTSpecial Weather StatementGLDCheyenne29 min
Jul 25, 2:32 PM MDTSpecial Weather StatementGLDCheyenne28 min
Jul 25, 3:00 PM MDTSpecial Weather StatementGLDCheyenne30 min
Jul 25, 3:18 PM MDTSpecial Weather StatementGLDKit Carson27 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.