Alert archive / Kansas / Special Weather Statements in 2018

Special Weather Statement, NWS Wichita, KS

July 30, 2018Harper County, Kansas

NWS Wichita, KS issued this special weather statement at Jul 30, 2018, 7:39 PM CDT for Harper County, Kansas. It was in force for 66 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 30, 2018, 7:39 PM CDT (00:39 UTC)
Expired: Jul 30, 2018, 8:45 PM CDT
In force: 66 min
Issued by: NWS Wichita, KS

County Harper County, KS

The radar

The Vance AFB radar (KVNX), 47 km from the middle of the area, began a volume at 00:39 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, 0.7 hours before the alert went out and 164 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: 193 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 1817 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 85 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 Wichita, KS wrote its last area forecast discussion before this special weather statement went out at Jul 30, 7:03 PM CDT, 36 minutes earlier.

Area forecast discussion, Jul 30, 7:03 PM CDT, 36 minutes before

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Hazardous weather outlook, Jul 30, 4:36 PM CDT, 3 hours 3 minutes before

Hazardous Weather Outlook
National Weather Service Wichita KS
436 PM CDT Mon Jul 30 2018

KSZ032-033-047>053-067>072-082-083-091>096-098>100-312145-
Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Marion-Chase-
Reno-Harvey-Butler-Greenwood-Woodson-Allen-Kingman-Sedgwick-Harper-
Sumner-Cowley-Elk-Wilson-Neosho-Chautauqua-Montgomery-Labette-
436 PM CDT Mon Jul 30 2018

This hazardous weather outlook is for portions of Central Kansas,
South Central Kansas and Southeast Kansas.

.DAY ONE...Tonight

Widely scattered hit-or-miss showers and thunderstorms are expected
to impact the area this afternoon and evening. The strongest
activity will be capable of pea to dime size hail, 50 mph winds and
brief heavy rain. This thunderstorm activity is expected end before
midnight tonight.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

After dry weather this week, storm chances could increase once
again by the weekend, as a cold front approaches from the north.
Widespread severe weather appears unlikely at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated tonight.

&&

For a graphical version of this information, see our webpage at:
http://weather.gov/wichita/hwo/

In the hours before

Special weather statement, Jul 30, 6:57 PM CDT, 42 minutes before

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Special weather statement, Jul 30, 7:10 PM CDT, 29 minutes before

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Special weather statement, Jul 30, 7:11 PM CDT, 28 minutes before

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Local storm report, Jul 30, 7:24 PM CDT, 15 minutes before

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Special weather statement, Jul 30, 7:26 PM CDT, 13 minutes before

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Special weather statement, Jul 30, 7:39 PM 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 30, 7:10 PM CDT	Special Weather Statement	ICT	Kingman	50 min
Jul 30, 7:11 PM CDT	Special Weather Statement	ICT	Harvey	49 min
Jul 30, 7:26 PM CDT	Special Weather Statement	ICT	Chase, Marion	64 min
Jul 30, 7:47 PM CDT	Special Weather Statement	ICT	Sedgwick	58 min
Jul 30, 8:16 PM CDT	Special Weather Statement	ICT	Butler	59 min
Jul 31, 4:05 AM CDT	Areal Flood Warning	ICT	Sumner	24 hr

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.