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, 9:22 PM CDT for Graham County, Kansas. 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 24, 2021, 9:22 PM CDT (02:22 UTC)
Expired: Jul 24, 2021, 9:45 PM CDT
In force: 23 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 02:24 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, 2.4 hours before the alert went out and 181 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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, 3 hours 37 minutes earlier.

Area forecast discussion, Jul 24, 5:45 PM CDT, 3 hours 37 minutes before

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Hazardous weather outlook, Jul 24, 9:20 PM CDT, 2 minutes before

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In the hours before

Special weather statement, Jul 24, 4:36 PM CDT, 4 hours 46 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, 3 hours 28 minutes before

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Special weather statement, Jul 24, 6:44 PM CDT, 2 hours 38 minutes before

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Special weather statement, Jul 24, 8:38 PM CDT, 44 minutes before

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Special weather statement, Jul 24, 9:22 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 8:38 PM CDT	Special Weather Statement	GLD	Graham	22 min
Jul 25, 6:42 AM CDT	Dense Fog Advisory	GLD	Gove, Greeley, Logan, Sheridan, Sherman, Thomas and 2 more	3 hr
Jul 25, 11:49 AM CDT	Special Weather Statement	GLD	Sheridan	41 min
Jul 25, 2:05 PM CDT	Special Weather Statement	GLD	Kit Carson	55 min
Jul 25, 2:46 PM CDT	Special Weather Statement	GLD	Kit Carson	14 min
Jul 25, 2:52 PM CDT	Special Weather Statement	GLD	Kit Carson	23 min
Jul 25, 3:01 PM CDT	Special Weather Statement	GLD	Cheyenne	29 min
Jul 25, 3:32 PM CDT	Special Weather Statement	GLD	Cheyenne	28 min
Jul 25, 4:00 PM CDT	Special Weather Statement	GLD	Cheyenne	30 min
Jul 25, 4:18 PM CDT	Special Weather Statement	GLD	Kit Carson	27 min

Nearby

Special Weather Statements in Kansas, 2021 Every 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.