Alert archive / Kansas / Special Weather Statements in 2023

Special Weather Statement, NWS Wichita, KS

July 21, 2023Harper County, Kansas

NWS Wichita, KS issued this special weather statement at Jul 21, 2023, 4:13 AM CDT for Harper County, Kansas. It was in force for 47 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 21, 2023, 4:13 AM CDT (09:13 UTC)
Expired: Jul 21, 2023, 5:00 AM CDT
In force: 47 min
Issued by: NWS Wichita, KS
Hail: 0.00 in
Wind: 40

County Harper County, KS

The radar

The Vance AFB radar (KVNX), 46 km from the middle of the area, began a volume at 09:14 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, 9.2 hours before the alert went out and 170 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: 1470 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1272 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 3:30 AM CDT	Special Weather Statement	ICT	Harper	45 min
Jul 21, 5:12 AM CDT	Special Weather Statement	ICT	Sumner	48 min
Jul 21, 5:31 AM CDT	Special Weather Statement	ICT	Cowley	44 min
Jul 21, 6:03 AM CDT	Special Weather Statement	ICT	Cowley, Sumner	42 min
Jul 21, 6:18 AM CDT	Severe Thunderstorm Warning	ICT	Chautauqua	42 min
Jul 21, 6:29 AM CDT	Special Weather Statement	ICT	Labette	46 min
Jul 21, 6:52 AM CDT	Special Weather Statement	ICT	Chautauqua, Elk, Montgomery	23 min
Jul 21, 7:12 AM CDT	Special Weather Statement	ICT	Labette, Montgomery	33 min
Jul 21, 7:39 AM CDT	Special Weather Statement	ICT	Labette	36 min

Nearby

Special Weather Statements in Kansas, 2023 Every special weather statement in 2023

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.