Alert archive / Kansas / Dense Fog Advisories in 2019

Dense Fog Advisory 21, NWS Wichita, KS

September 24, 201911 counties in Kansas

NWS Wichita, KS issued this dense fog advisory at Sep 24, 2019, 6:52 AM CDT for 11 counties in Kansas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Sep 24, 2019, 6:52 AM CDT (11:52 UTC)
Expired: Sep 24, 2019, 9:09 AM CDT
In force: 2 hr
Issued by: NWS Wichita, KS

Counties Barton County, KS, Ellsworth County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Lincoln County, KS, Reno County, KS, Rice County, KS, Russell County, KS, Sedgwick County, KS, Sumner County, KS

The radar

The Wichita radar (KICT), 75 km from the middle of the area, began a volume at 11:51 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, 11.9 hours before the alert went out and 326 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: 2039 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 861 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this dense fog advisory 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 dense fog advisory went out at Sep 24, 6:34 AM CDT, 18 minutes earlier.

Area forecast discussion, Sep 24, 6:34 AM CDT, 18 minutes before

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Hazardous weather outlook, Sep 24, 5:20 AM CDT, 1 hour 32 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 24, 4:10 PM CDT	Special Weather Statement	ICT	Barton	50 min
Sep 24, 5:24 PM CDT	Special Weather Statement	ICT	Lincoln	36 min
Sep 24, 5:40 PM CDT	Severe Thunderstorm Warning	ICT	Lincoln	65 min
Sep 24, 6:36 PM CDT	Severe Thunderstorm Warning	ICT	Harper, Kingman	69 min

Nearby

Dense Fog Advisories in Kansas, 2019 Every dense fog advisory in 2019

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.