Alert archive / Kansas / Heat Advisories in 2018

Heat Advisory 4, NWS Wichita, KS

July 12, 201818 counties in Kansas

NWS Wichita, KS issued this heat advisory at Jul 12, 2018, 3:11 AM CDT for 18 counties in Kansas. It took effect at Jul 12, 2018, 1:00 PM CDT. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued
Jul 12, 2018, 3:11 AM CDT (08:11 UTC)
In effect from
Jul 12, 2018, 1:00 PM CDT
Expired
Jul 13, 2018, 8:00 PM CDT
In force
31 hr
Issued by
NWS Wichita, KS

Counties Allen County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Harvey County, KS, Labette County, KS, Marion County, KS, McPherson County, KS, Montgomery County, KS, Neosho County, KS, Saline County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS

The radar

The Wichita radar (KICT), 84 km from the middle of the area, began a volume at 08:12 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

Norman, OK (KOUN), launched 00:00Z, 8.2 hours before the alert went out and 293 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-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2018-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 857 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2018-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
857 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1731 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 7:00 PM CDTSpecial Weather StatementICTLabette30 min
Jul 12, 4:02 PM CDTSpecial Weather StatementICTWilson28 min
Jul 12, 4:11 PM CDTSpecial Weather StatementICTLabette34 min
Jul 12, 4:39 PM CDTSpecial Weather StatementICTLabette36 min
Jul 12, 5:02 PM CDTSpecial Weather StatementICTNeosho28 min
Jul 12, 5:36 PM CDTSpecial Weather StatementICTAllen24 min

Nearby

Heat Advisories in Kansas, 2018Every heat advisory 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.