Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

June 23, 2021Graham County, Kansas

NWS Goodland, KS issued this special weather statement at Jun 23, 2021, 11:27 PM CDT for Graham County, Kansas. It was in force for 18 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 23, 2021, 11:27 PM CDT (04:27 UTC)
Expired
Jun 23, 2021, 11:45 PM CDT
In force
18 min
Issued by
NWS Goodland, KS

County Graham County, KS

The radar

The Dodge City radar (KDDC), 156 km from the middle of the area, began a volume at 04:28 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 00:00Z, 4.5 hours before the alert went out and 154 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 2021-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3608 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 00:00Z on 2021-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
3608 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
2169 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
276 m²/s²
Significant tornado parameter
0.0
Supercell composite
20.3

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 23, 10:50 PM CDT, 37 minutes earlier.

Area forecast discussion, Jun 23, 10:50 PM CDT, 37 minutes before
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Hazardous weather outlook, Jun 23, 9:45 PM CDT, 1 hour 42 minutes before
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In the hours before

Special weather statement, Jun 23, 8:09 PM CDT, 3 hours 18 minutes before
Special Weather Statement
National Weather Service Goodland KS
809 PM CDT Wed Jun 23 2021

KSZ014-015-240130-
Sheridan KS-Thomas KS-
809 PM CDT Wed Jun 23 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN THOMAS AND
NORTHWESTERN SHERIDAN COUNTIES UNTIL 830 PM CDT...

At 809 PM CDT, Doppler radar was tracking a strong thunderstorm near
Gem, or 6 miles east of Colby, moving east at 50 mph.

Wind gusts up to 50 mph and significantly reduced visibility due to
blowing dust will be possible with this storm.

Locations impacted include...
Colby, Rexford, Gem, Menlo, Mingo and Halford.

This includes Interstate 70 in Kansas between mile markers 53 and 63.

LAT...LON 3929 10107 3944 10109 3952 10063 3929 10060
      3925 10075
TIME...MOT...LOC 0109Z 263DEG 45KT 3938 10092

MRC
Local storm report, Jun 23, 8:11 PM CDT, 3 hours 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
711 PM MDT WED JUN 23 2021

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

0653 PM     TSTM WND GST     4 SE LEVANT             39.34N 101.13W
06/23/2021  M59 MPH          THOMAS             KS   MESONET

            SITE FOUR MILE FIELD.

&&

KAK
Local storm report, Jun 23, 8:13 PM CDT, 3 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
713 PM MDT WED JUN 23 2021

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

0704 PM     TSTM WND GST     1 SE COLBY              39.38N 101.04W
06/23/2021  M60 MPH          THOMAS             KS   MESONET

            SITE TCEM COLBY.

&&

KAK
Special weather statement, Jun 23, 8:19 PM CDT, 3 hours 8 minutes before
Special Weather Statement
National Weather Service Goodland KS
819 PM CDT Wed Jun 23 2021

KSZ014-015-028-029-240145-
Gove KS-Sheridan KS-Thomas KS-Logan KS-
819 PM CDT Wed Jun 23 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN THOMAS...
NORTHEASTERN LOGAN...SOUTHWESTERN SHERIDAN AND NORTHWESTERN GOVE
COUNTIES UNTIL 845 PM CDT...

At 819 PM CDT, Doppler radar was tracking a strong thunderstorm over
Oakley, moving east at 50 mph.

Pea size hail, wind gusts up to 50 mph and significantly reduced
visibility due to blowing dust will be possible with this storm.

Locations impacted include...
Oakley, Grinnell, Monument and Angelus.

This includes Interstate 70 in Kansas between mile markers 67 and 88.

LAT...LON 3898 10103 3921 10105 3929 10060 3901 10058
TIME...MOT...LOC 0119Z 263DEG 44KT 3910 10087

MRC
Special weather statement, Jun 23, 9:18 PM CDT, 2 hours 9 minutes before
Special Weather Statement
National Weather Service Goodland KS
918 PM CDT Wed Jun 23 2021

KSZ003-004-016-240245-
Norton KS-Decatur KS-Graham KS-
918 PM CDT Wed Jun 23 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN NORTON...
SOUTHEASTERN DECATUR AND NORTHWESTERN GRAHAM COUNTIES UNTIL 945 PM
CDT...

At 917 PM CDT, Doppler radar was tracking a strong thunderstorm 4
miles west of Lenora, or 18 miles southwest of Norton, moving
northeast at 30 mph.

Half inch hail, winds in excess of 40 mph and significantly reduced
visibility due to blowing dust will be possible with this storm.

Locations impacted include...
Lenora and New Almelo.

LAT...LON 3964 9988 3948 10013 3952 10017 3957 10016
      3957 10022 3959 10024 3977 10006
TIME...MOT...LOC 0217Z 225DEG 26KT 3962 10009

MRC
Special weather statement, Jun 23, 11:27 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 7:38 PM CDTSpecial Weather StatementGLDThomas22 min
Jun 23, 8:03 PM CDTSpecial Weather StatementGLDThomas27 min
Jun 23, 8:09 PM CDTSpecial Weather StatementGLDThomas21 min
Jun 23, 8:19 PM CDTSpecial Weather StatementGLDThomas26 min
Jun 23, 9:18 PM CDTSpecial Weather StatementGLDNorton27 min
Jun 24, 4:45 PM CDTSevere Thunderstorm WarningGLDKit Carson60 min
Jun 24, 5:44 PM CDTSpecial Weather StatementGLDKit Carson16 min
Jun 24, 5:49 PM CDTSevere Thunderstorm WarningGLDCheyenne35 min
Jun 24, 6:00 PM CDTSpecial Weather StatementGLDKit Carson15 min
Jun 24, 6:14 PM CDTSpecial Weather StatementGLDKit Carson16 min
Jun 24, 6:29 PM CDTSpecial Weather StatementGLDKit Carson16 min
Jun 24, 6:42 PM CDTSpecial Weather StatementGLDKit Carson18 min
Jun 24, 6:44 PM CDTSpecial Weather StatementGLDKit Carson16 min
Jun 24, 6:47 PM CDTSpecial Weather StatementGLDLincoln13 min

Nearby

Special Weather Statements in Kansas, 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.