Alert archive / Kansas / Ice Storm Warnings in 2015

Ice Storm Warning 1, NWS Topeka, KS

November 29, 20157 counties in Kansas

NWS Topeka, KS issued this ice storm warning at Nov 29, 2015, 2:49 AM CST for 7 counties in Kansas. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Nov 29, 2015, 2:49 AM CST (08:49 UTC)
Expired: Nov 29, 2015, 11:40 AM CST
In force: 9 hr
Issued by: NWS Topeka, KS

Counties Dickinson County, KS, Geary County, KS, Lyon County, KS, Morris County, KS, Pottawatomie County, KS, Riley County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 30 km from the middle of the area, began a volume at 08:51 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

Topeka, KS (KFOE), launched 00:00Z, 8.8 hours before the alert went out and 81 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 483 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this ice storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Topeka, KS wrote its last area forecast discussion before this ice storm warning went out at Nov 28, 11:54 PM CST, 2 hours 55 minutes earlier.

Area forecast discussion, Nov 28, 11:54 PM CST, 2 hours 55 minutes before

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Hazardous weather outlook, Nov 28, 3:31 PM CST, 11 hours 18 minutes before

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<body>
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 29, 6:12 AM CST	Winter Weather Advisory	TOP	Clay, Ottawa	9 hr
Nov 29, 3:05 PM CST	Winter Storm Warning	TOP	Clay, Dickinson, Geary, Marshall, Morris, Nemaha and 4 more	19 hr
Nov 29, 3:05 PM CST	Winter Weather Advisory	TOP	Cloud, Republic	19 hr

Nearby

Ice Storm Warnings in Kansas, 2015 Every ice storm warning in 2015

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.