Alert archive / Kansas / Freezing Rain Advisories in 2008

Freezing Rain Advisory 2, NWS Topeka, KS

December 27, 20085 counties in Kansas

NWS Topeka, KS issued this freezing rain advisory at Dec 27, 2008, 5:59 AM CST for 5 counties in Kansas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Dec 27, 2008, 5:59 AM CST (11:59 UTC)
Expired: Dec 27, 2008, 9:39 AM CST
In force: 4 hr
Issued by: NWS Topeka, KS

Counties Brown County, KS, Jackson County, KS, Jefferson County, KS, Nemaha County, KS, Shawnee County, KS

The radar

The Topeka radar (KTWX), 69 km from the middle of the area, began a volume at 12:01 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 (KTOP), launched 00:00Z, 12.0 hours before the alert went out and 52 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: 449 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 866 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 360 m²/s²
0-3 km storm-relative helicity: 456 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 4.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freezing rain advisory 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 freezing rain advisory went out at Dec 27, 5:59 AM CST, 0 minutes earlier.

Area forecast discussion, Dec 27, 5:59 AM CST, 0 minutes before

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Hazardous weather outlook, Dec 27, 5:37 AM CST, 22 minutes before

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In the hours before

Special weather statement, Dec 27, 1:00 AM CST, 4 hours 59 minutes before

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Special weather statement, Dec 27, 1:59 AM CST, 4 hours before

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Special weather statement, Dec 27, 3:16 AM CST, 2 hours 43 minutes before

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Special weather statement, Dec 27, 4:10 AM CST, 1 hour 49 minutes before

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Local storm report, Dec 27, 4:51 AM CST, 1 hour 8 minutes before

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Special weather statement, Dec 27, 5:00 AM CST, 59 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 27, 3:47 AM CST	Severe Thunderstorm Warning	TOP	Douglas, Franklin, Osage	43 min

Nearby

Freezing Rain Advisories in Kansas, 2008 Every freezing rain advisory in 2008

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.