Alert archive / Kansas / Special Weather Statements in 2018

Special Weather Statement, NWS Wichita, KS

July 18, 2018Sumner County, Kansas

NWS Wichita, KS issued this special weather statement at Jul 18, 2018, 12:39 AM CDT for Sumner County, Kansas. It was in force for 36 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 18, 2018, 12:39 AM CDT (05:39 UTC)
Expired: Jul 18, 2018, 1:15 AM CDT
In force: 36 min
Issued by: NWS Wichita, KS

County Sumner County, KS

The radar

The Wichita radar (KICT), 56 km from the middle of the area, began a volume at 05:44 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, 5.7 hours before the alert went out and 232 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: 1389 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1710 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: 152 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 Wichita, KS wrote its last area forecast discussion before this special weather statement went out at Jul 17, 11:27 PM CDT, 1 hour 12 minutes earlier.

Area forecast discussion, Jul 17, 11:27 PM CDT, 1 hour 12 minutes before

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Hazardous weather outlook, Jul 17, 4:43 PM CDT, 7 hours 56 minutes before

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In the hours before

Special weather statement, Jul 17, 10:50 PM CDT, 1 hour 49 minutes before

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Special weather statement, Jul 17, 11:32 PM CDT, 1 hour 7 minutes before

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Special weather statement, Jul 17, 11:43 PM CDT, 56 minutes before

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Special weather statement, Jul 18, 12:39 AM CDT, 0 minutes before

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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 17, 10:50 PM CDT	Special Weather Statement	ICT	Harper	40 min
Jul 17, 11:32 PM CDT	Special Weather Statement	ICT	Harper	43 min
Jul 17, 11:43 PM CDT	Special Weather Statement	ICT	Kingman	47 min
Jul 18, 3:22 PM CDT	Heat Advisory	ICT	Allen, Butler, Chautauqua, Cowley, Elk, Greenwood and 11 more	29 hr
Jul 18, 3:26 PM CDT	Special Weather Statement	ICT	Labette	49 min
Jul 18, 3:44 PM CDT	Severe Thunderstorm Warning	ICT	Labette	22 min

Nearby

Special Weather Statements in Kansas, 2018 Every special weather statement in 2018

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.