Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

July 24, 2021Graham County, Kansas

NWS Goodland, KS issued this special weather statement at Jul 24, 2021, 8:38 PM CDT for Graham County, Kansas. It was in force for 22 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 24, 2021, 8:38 PM CDT (01:38 UTC)
Expired
Jul 24, 2021, 9:00 PM CDT
In force
22 min
Issued by
NWS Goodland, KS

County Graham County, KS

The radar

The Goodland radar (KGLD), 157 km from the middle of the area, began a volume at 01:38 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, 1.6 hours before the alert went out and 178 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 2021-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 722 joules per kilogram.LCLEL10008507005003002001001 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 2021-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
722 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
2551 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
35 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 24, 5:45 PM CDT, 2 hours 53 minutes earlier.

Area forecast discussion, Jul 24, 5:45 PM CDT, 2 hours 53 minutes before
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Hazardous weather outlook, Jul 24, 11:27 AM CDT, 9 hours 11 minutes before
Hazardous Weather Outlook
National Weather Service Goodland KS
1027 AM MDT Sat Jul 24 2021

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-251630-
Yuma-Kit Carson-Cheyenne-Rawlins-Decatur-Norton-Sherman-Thomas-
Sheridan-Graham-Wallace-Logan-Gove-Greeley-Wichita-Dundy-Hitchcock-
Red Willow-
1027 AM MDT Sat Jul 24 2021 /1127 AM CDT Sat Jul 24 2021/

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

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

Isolated showers and thunderstorms are possible during the afternoon
and evening hours today. Hazards should storms occur include strong
winds and locally heavy rainfall.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH SATURDAY...

Isolated to scattered thunderstorms are possible mainly during the
afternoon and evening hours on Sunday. Hazards include strong winds
and locally heavy rainfall.

A period of hot weather is expected across the region beginning
Monday and continuing through the start of next weekend. High
temperatures will approach or exceed 100 degrees at several
locations through the period. Heat index values at or above 100
degrees are possible Tuesday through Thursday for areas along the
Nebraska/Kansas border as well as Graham and Gove counties.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected to be required.

In the hours before

Local storm report, Jul 24, 2:57 PM CDT, 5 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
157 PM MDT SAT JUL 24 2021

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

0145 PM     EXCESSIVE HEAT   5 NW TASCO              39.41N 100.36W
07/24/2021  M105 F           SHERIDAN           KS   MESONET

            MESONET STATION 3859D 5 NW TASCO REPORTS 105
            DEGREE HEAT INDEX.

&&

TT
Special weather statement, Jul 24, 4:36 PM CDT, 4 hours 2 minutes before
Special Weather Statement
National Weather Service Goodland KS
336 PM MDT Sat Jul 24 2021

COZ092-242215-
Cheyenne County CO-
336 PM MDT Sat Jul 24 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN CHEYENNE COUNTY IN
EAST CENTRAL COLORADO UNTIL 415 PM MDT...

At 335 PM MDT, Doppler radar was tracking a strong thunderstorm 14
miles west of Kit Carson, or 38 miles west of Cheyenne Wells, moving
west at 10 mph.

Wind gusts up to 50 mph are possible with this storm.

Locations impacted include...
Wild Horse.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek safe
shelter inside a building or vehicle. Remember, if you are close
enough to hear thunder, you are close enough to be struck by
lightning.

&&

LAT...LON 3869 10317 3869 10316 3875 10317 3884 10316
      3884 10292 3862 10291 3861 10301 3862 10306
      3861 10317
TIME...MOT...LOC 2135Z 086DEG 8KT 3871 10306

Vincent
Special weather statement, Jul 24, 5:54 PM CDT, 2 hours 44 minutes before
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Special weather statement, Jul 24, 6:44 PM CDT, 1 hour 54 minutes before
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Special weather statement, Jul 24, 8:38 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
Jul 24, 9:22 PM CDTSpecial Weather StatementGLDGraham23 min
Jul 25, 6:42 AM CDTDense Fog AdvisoryGLDGove, Greeley, Logan, Sheridan, Sherman, Thomas and 2 more3 hr
Jul 25, 11:49 AM CDTSpecial Weather StatementGLDSheridan41 min
Jul 25, 2:05 PM CDTSpecial Weather StatementGLDKit Carson55 min
Jul 25, 2:46 PM CDTSpecial Weather StatementGLDKit Carson14 min
Jul 25, 2:52 PM CDTSpecial Weather StatementGLDKit Carson23 min
Jul 25, 3:01 PM CDTSpecial Weather StatementGLDCheyenne29 min
Jul 25, 3:32 PM CDTSpecial Weather StatementGLDCheyenne28 min
Jul 25, 4:00 PM CDTSpecial Weather StatementGLDCheyenne30 min
Jul 25, 4:18 PM CDTSpecial Weather StatementGLDKit Carson27 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.