Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

May 14, 2021Graham County, Kansas

NWS Goodland, KS issued this special weather statement at May 14, 2021, 7:04 PM CDT for Graham County, Kansas. It was in force for 26 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
May 14, 2021, 7:04 PM CDT (00:04 UTC)
Expired
May 14, 2021, 7:30 PM CDT
In force
26 min
Issued by
NWS Goodland, KS

County Graham County, KS

The radar

The Dodge City radar (KDDC), 165 km from the middle of the area, began a volume at 00:07 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, 0.1 hours before the alert went out and 164 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 2021-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1153 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 2021-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.19395878Sfc1 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
1153 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1827 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.1
Supercell composite
5.9

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 May 14, 6:47 PM CDT, 17 minutes earlier.

Area forecast discussion, May 14, 6:47 PM CDT, 17 minutes before
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Hazardous weather outlook, May 14, 12:36 PM CDT, 6 hours 28 minutes before
Hazardous Weather Outlook
National Weather Service Goodland KS
1136 AM MDT Fri May 14 2021

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-151745-
Yuma-Kit Carson-Cheyenne-Rawlins-Decatur-Norton-Sherman-Thomas-
Sheridan-Graham-Wallace-Logan-Gove-Greeley-Wichita-Dundy-Hitchcock-
Red Willow-
1136 AM MDT Fri May 14 2021 /1236 PM CDT Fri May 14 2021/

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

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

Severe thunderstorms will be possible across the region this
afternoon and evening. A few strong to severe storms are anticipated
to move into eastern Colorado during the mid to late afternoon hours.
Storms then increase in coverage as they progress eastward into
northwest Kansas and extreme southwest Nebraska in the evening. The
main hazards include large hail up to 2 inches, damaging wind gusts,
and locally heavy rainfall. A tornado or two cannot be ruled out.

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

There is a risk for severe thunderstorms across the Tri-State area
for both Saturday and Sunday during afternoon and evening hours.

There will be a chance of thunderstorms each day of the beginning of
the next work week with a generally low possibility of severe
storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required.

In the hours before

Special weather statement, May 14, 6:02 PM CDT, 1 hour 2 minutes before
Special Weather Statement
National Weather Service Goodland KS
502 PM MDT Fri May 14 2021

COZ091-092-142315-
Kit Carson County CO-Cheyenne County CO-
502 PM MDT Fri May 14 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CHEYENNE AND
SOUTHWESTERN KIT CARSON COUNTIES IN EAST CENTRAL COLORADO UNTIL 515
PM MDT...

At 502 PM MDT, Doppler radar was tracking a strong thunderstorm 11
miles northeast of Boyero, or 18 miles south of Flagler, moving
southeast at 30 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
Cheyenne and southwestern Kit Carson Counties in east central
Colorado.

A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for
east central Colorado.

LAT...LON 3917 10316 3918 10310 3898 10287 3889 10316
TIME...MOT...LOC 2302Z 336DEG 25KT 3903 10309

AW
Special weather statement, May 14, 6:26 PM CDT, 38 minutes before
Special Weather Statement
National Weather Service Goodland KS
626 PM CDT Fri May 14 2021

KSZ003-004-015-142345-
Norton KS-Sheridan KS-Decatur KS-
626 PM CDT Fri May 14 2021

...SPECIAL WEATHER STATEMENT...

At 626 PM CDT, Doppler radar was tracking a strong thunderstorm 5
miles southeast of Dresden, or 16 miles north of Hoxie, moving
southeast at 30 mph.

Half inch hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
New Almelo.

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 1100 PM CDT for
northwestern Kansas.

LAT...LON 3957 10011 3957 10016 3951 10016 3941 10025
      3953 10046 3969 10036 3961 10007
TIME...MOT...LOC 2326Z 294DEG 28KT 3958 10032

JRM
Local storm report, May 14, 6:51 PM CDT, 13 minutes before
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Local storm report, May 14, 6:54 PM CDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
554 PM MDT FRI MAY 14 2021

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

0548 PM     HAIL             10 N KIT CARSON         38.90N 102.80W
05/14/2021  E1.00 INCH       CHEYENNE           CO   TRAINED SPOTTER

            REPORTED VIA SPOTTER NETWORK ONGOING HAIL
            PEA TO QUARTER IN SIZE. MOST HAIL WAS PEA TO
            NICKEL IN SIZE.

&&

KMK
Special weather statement, May 14, 6:58 PM CDT, 6 minutes before
Special Weather Statement
National Weather Service Goodland KS
558 PM MDT Fri May 14 2021

COZ091-150015-
Kit Carson County CO-
558 PM MDT Fri May 14 2021

...SPECIAL WEATHER STATEMENT...

At 557 PM MDT, Doppler radar was tracking a strong thunderstorm near
Stratton, moving east at 25 mph.

Half inch hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Stratton and Vona.

This includes Interstate 70 in Colorado between mile markers 411 and
425.

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 1000 PM MDT for
east central Colorado.

LAT...LON 3918 10275 3930 10277 3941 10251 3915 10247
TIME...MOT...LOC 2357Z 262DEG 21KT 3925 10262

AW
Special weather statement, May 14, 7:04 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Goodland KS
704 PM CDT Fri May 14 2021

KSZ016-150030-
Graham KS-
704 PM CDT Fri May 14 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN GRAHAM COUNTY UNTIL
730 PM CDT...

At 704 PM CDT, Doppler radar was tracking a strong thunderstorm 6
miles south of Bogue, or 10 miles southeast of Hill City, moving east
at 20 mph.

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

Locations impacted include...
Hill City and Bogue.

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 1100 PM CDT for
northwestern Kansas.

LAT...LON 3917 9990 3936 9988 3937 9960 3913 9961
TIME...MOT...LOC 0004Z 274DEG 17KT 3926 9971

JRM

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 7:08 PM CDTSevere Thunderstorm WarningGLDGraham, Sheridan67 min
May 14, 7:48 PM CDTSpecial Weather StatementGLDThomas27 min
May 14, 7:52 PM CDTSevere Thunderstorm WarningGLDGove, Graham, Sheridan44 min
May 14, 8:03 PM CDTSpecial Weather StatementGLDSherman27 min
May 14, 8:16 PM CDTSpecial Weather StatementGLDWallace14 min
May 14, 8:20 PM CDTSpecial Weather StatementGLDGreeley25 min
May 14, 8:22 PM CDTSpecial Weather StatementGLDWichita23 min
May 14, 8:30 PM CDTSevere Thunderstorm WarningGLDWichita60 min
May 14, 8:33 PM CDTSpecial Weather StatementGLDSheridan27 min
May 14, 8:35 PM CDTSpecial Weather StatementGLDLogan25 min
May 14, 8:37 PM CDTSevere Thunderstorm WarningGLDGreeley53 min
May 14, 8:41 PM CDTSevere Thunderstorm WarningGLDGove, Sheridan, Thomas64 min
May 14, 8:43 PM CDTSpecial Weather StatementGLDThomas32 min
May 14, 9:05 PM CDTSpecial Weather StatementGLDGreeley10 min
May 14, 9:19 PM CDTSpecial Weather StatementGLDGreeley26 min
May 14, 9:19 PM CDTSevere Thunderstorm WarningGLDGove37 min
May 14, 9:31 PM CDTSpecial Weather StatementGLDWichita14 min
May 14, 11:49 PM CDTSpecial Weather StatementGLDNorton41 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.