Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

July 4, 2021Graham County, Kansas

NWS Goodland, KS issued this special weather statement at Jul 4, 2021, 3:47 PM CDT for Graham County, Kansas. It was in force for 28 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 4, 2021, 3:47 PM CDT (20:47 UTC)
Expired: Jul 4, 2021, 4:15 PM CDT
In force: 28 min
Issued by: NWS Goodland, KS

County Graham County, KS

The radar

The Goodland radar (KGLD), 137 km from the middle of the area, began a volume at 20:50 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.8 hours before the alert went out and 220 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: 524 J/kg
Mixed-layer CIN: -290 J/kg
Mixed-layer LCL: 1478 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 4, 2:25 PM CDT, 1 hour 22 minutes earlier.

Area forecast discussion, Jul 4, 2:25 PM CDT, 1 hour 22 minutes before

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Hazardous weather outlook, Jul 4, 11:48 AM CDT, 3 hours 59 minutes before

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In the hours before

Special weather statement, Jul 4, 3:47 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Goodland KS
347 PM CDT Sun Jul 4 2021

KSZ015-016-029-042115-
Gove KS-Sheridan KS-Graham KS-
347 PM CDT Sun Jul 4 2021

...SPECIAL WEATHER STATEMENT...

At 347 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles south of Morland, or 13 miles northeast of Quinter, moving
south at 10 mph.

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

Locations impacted include...
Morland, Saint Peter and Studley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3913 10015 3909 10015 3909 10028 3936 10022
      3938 10000 3913 9994
TIME...MOT...LOC 2047Z 001DEG 9KT 3924 10011

JN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 9:03 PM CDT	Special Weather Statement	GLD	Sherman	27 min
Jul 3, 9:27 PM CDT	Special Weather Statement	GLD	Sherman	33 min
Jul 4, 4:10 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Graham, Sheridan	35 min
Jul 4, 4:26 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Graham, Norton, Sheridan	34 min
Jul 4, 4:39 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Graham, Sheridan	36 min
Jul 4, 4:58 PM CDT	Flash Flood Warning	GLD	Gove, Graham, Sheridan	2 hr
Jul 4, 4:58 PM CDT	Severe Thunderstorm Warning	GLD	Graham, Sheridan	32 min
Jul 4, 5:15 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Sheridan	60 min
Jul 4, 5:30 PM CDT	Special Weather Statement	GLD	Sheridan	30 min
Jul 4, 6:09 PM CDT	Special Weather Statement	GLD	Logan	36 min
Jul 4, 6:15 PM CDT	Special Weather Statement	GLD	Gove	30 min
Jul 4, 6:34 PM CDT	Special Weather Statement	GLD	Rawlins	26 min
Jul 3, 7:32 PM CDT	Special Weather Statement	GLD	Kit Carson	28 min
Jul 3, 8:08 PM CDT	Special Weather Statement	GLD	Kit Carson	37 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.