Alert archive / Colorado / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

June 25, 2021Yuma County, Colorado

NWS Goodland, KS issued this special weather statement at Jun 25, 2021, 3:05 PM MDT for Yuma County, Colorado. It was in force for 25 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
Jun 25, 2021, 3:05 PM MDT (21:05 UTC)
Expired
Jun 25, 2021, 3:30 PM MDT
In force
25 min
Issued by
NWS Goodland, KS

County Yuma County, CO

The radar

The Goodland radar (KGLD), 130 km from the middle of the area, began a volume at 21:05 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, 9.1 hours before the alert went out and 71 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 2021-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 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 2021-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.1939587897Sfc1 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
50 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
1292 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
34 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 Jun 25, 2:56 PM MDT, 9 minutes earlier.

Area forecast discussion, Jun 25, 2:56 PM MDT, 9 minutes before
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<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <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>
      <p class="small" id="detail">
        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, Jun 25, 2:17 PM MDT, 48 minutes before
Hazardous Weather Outlook
National Weather Service Goodland KS
217 PM MDT Fri Jun 25 2021

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-262030-
Yuma-Kit Carson-Cheyenne-Rawlins-Decatur-Norton-Sherman-Thomas-
Sheridan-Graham-Wallace-Logan-Gove-Greeley-Wichita-Dundy-Hitchcock-
Red Willow-
217 PM MDT Fri Jun 25 2021 /317 PM CDT Fri Jun 25 2021/

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

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

A few isolated thunderstorms are approaching severe thunderstorm
criteria as they move across portions of SW Nebraska.

A Severe Thunderstorm Watch has been issued for the entire Tri-State
area until 8 PM MT/9 PM CT for up to 2 inch hail and damaging wind
gusts up to 70 mph.

Severe thunderstorms are possible across the majority of the area
this afternoon and evening, mainly between 4 PM and 11 PM MDT.
Scattered thunderstorms will develop along portions of the Colorado
Front Range this afternoon, progressing eastward into western Kansas
during the late afternoon and evening. Isolated/scattered storms are
moving across portions of southwest Nebraska and northwest Kansas
and may continue through the early afternoon.

Some uncertainty remains with regard to storm coverage and the
impact on the environment from the isolated/scattered storms over NW
Kansas and SW Nebraska.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH FRIDAY...

Hazardous weather is not anticipated at this time.

.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.

Kauffman

In the hours before

Special weather statement, Jun 25, 1:31 PM MDT, 1 hour 34 minutes before
Special Weather Statement
National Weather Service Goodland KS
231 PM CDT Fri Jun 25 2021

NEZ080-251945-
Hitchcock NE-
231 PM CDT Fri Jun 25 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN HITCHCOCK COUNTY
UNTIL 245 PM CDT...

At 231 PM CDT, Doppler radar was tracking a strong thunderstorm 5
miles northwest of Trenton, moving southeast at 20 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Trenton and Culbertson.

LAT...LON 4011 10084 4019 10119 4035 10110 4035 10076
TIME...MOT...LOC 1931Z 292DEG 16KT 4025 10106

024
Local storm report, Jun 25, 2:17 PM MDT, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
217 PM MDT FRI JUN 25 2021

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

0155 PM     HAIL             3 NE TRENTON            40.20N 100.96W
06/25/2021  M1.25 INCH       HITCHCOCK          NE   TRAINED SPOTTER

            QUARTER TO HALF DOLLAR SIZE HAIL REPORTED.
            POSSIBLE CROP DAMAGE ALSO REPORTED.

&&

MRC
Special weather statement, Jun 25, 2:35 PM MDT, 30 minutes before
Special Weather Statement
National Weather Service Goodland KS
235 PM MDT Fri Jun 25 2021

NEZ079-080-252100-
Hitchcock NE-Dundy NE-
235 PM MDT Fri Jun 25 2021

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN HITCHCOCK AND
NORTHEASTERN DUNDY COUNTIES UNTIL 300 PM MDT/400 PM CDT/...

At 235 PM MDT/335 PM CDT/, Doppler radar was tracking a strong
thunderstorm 6 miles northwest of Stratton, or 16 miles west of
Trenton, moving east at 20 mph.

Pea size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Palisade and Stratton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

A Severe Thunderstorm Watch remains in effect until 800 PM MDT/900 PM
CDT/ for southwestern Nebraska.

LAT...LON 4006 10114 4015 10144 4035 10139 4035 10100
TIME...MOT...LOC 2035Z 292DEG 17KT 4022 10131

024
Local storm report, Jun 25, 2:45 PM MDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
245 PM MDT FRI JUN 25 2021

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

0241 PM     HAIL             3 S MCCOOK              40.16N 100.62W
06/25/2021  E1.00 INCH       RED WILLOW         NE   PUBLIC

            HAIL RANGED FROM HALF INCH TO QUARTER IN
            SIZE.

&&

KMK
Local storm report, Jun 25, 2:51 PM MDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
251 PM MDT FRI JUN 25 2021

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

0239 PM     TSTM WND GST     4 S MCCOOK              40.15N 100.63W
06/25/2021  M56 MPH          RED WILLOW         NE   MESONET

&&

KMK
Special weather statement, Jun 25, 3:05 PM MDT, 0 minutes before
Special Weather Statement
National Weather Service Goodland KS
305 PM MDT Fri Jun 25 2021

COZ090-252130-
Yuma County CO-
305 PM MDT Fri Jun 25 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN YUMA COUNTY UNTIL
330 PM MDT...

At 305 PM MDT, Doppler radar was tracking a strong thunderstorm 12
miles south of Highland Center, or 16 miles north of Yuma, moving
east at 35 mph.

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

Locations impacted include...
Yuma, Eckley and Clarkville.

A Severe Thunderstorm Watch remains in effect until 800 PM MDT for
northeastern Colorado.

LAT...LON 4044 10239 4004 10239 4004 10279 4035 10279
      4035 10278 4044 10278
TIME...MOT...LOC 2105Z 267DEG 30KT 4035 10260

MRC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 6:57 PM MDTSevere Thunderstorm WarningGLDSherman, Wallace52 min
Jun 24, 7:43 PM MDTSevere Thunderstorm WarningGLDWallace44 min
Jun 24, 8:01 PM MDTSevere Thunderstorm WarningGLDGreeley, Logan, Wallace, Wichita59 min
Jun 24, 8:32 PM MDTSevere Thunderstorm WarningGLDLogan, Wichita58 min
Jun 24, 8:51 PM MDTSevere Thunderstorm WarningGLDGreeley, Wichita54 min
Jun 24, 9:30 PM MDTSevere Thunderstorm WarningGLDGove, Logan46 min
Jun 25, 1:42 PM MDTSevere Thunderstorm WarningGLDDecatur63 min
Jun 25, 2:41 PM MDTSevere Thunderstorm WarningGLDDecatur64 min
Jun 25, 4:36 PM MDTSpecial Weather StatementGLDGove24 min
Jun 25, 4:48 PM MDTSpecial Weather StatementGLDCheyenne27 min
Jun 25, 4:53 PM MDTSpecial Weather StatementGLDSheridan22 min
Jun 25, 4:56 PM MDTSpecial Weather StatementGLDWallace34 min
Jun 25, 5:01 PM MDTSpecial Weather StatementGLDGove14 min
Jun 25, 5:15 PM MDTSevere Thunderstorm WarningGLDCheyenne, Rawlins60 min
Jun 25, 5:16 PM MDTSpecial Weather StatementGLDSheridan14 min
Jun 24, 6:22 PM MDTSevere Thunderstorm WarningGLDCheyenne53 min
Jun 24, 6:30 PM MDTSevere Thunderstorm WarningGLDKit Carson30 min
Jun 24, 7:11 PM MDTSevere Thunderstorm WarningGLDCheyenne64 min
Jun 25, 3:29 PM MDTSpecial Weather StatementGLDYuma31 min
Jun 25, 3:53 PM MDTSpecial Weather StatementGLDCheyenne37 min
Jun 25, 3:58 PM MDTSpecial Weather StatementGLDYuma32 min
Jun 25, 4:28 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson43 min
Jun 25, 4:34 PM MDTSpecial Weather StatementGLDCheyenne26 min
Jun 25, 1:14 PM MDTSpecial Weather StatementGLDHitchcock16 min
Jun 25, 1:31 PM MDTSpecial Weather StatementGLDHitchcock14 min
Jun 25, 2:35 PM MDTSpecial Weather StatementGLDHitchcock25 min
Jun 25, 4:31 PM MDTSpecial Weather StatementGLDDundy14 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.