Alert archive / Missouri / Ice Storm Warnings in 2008

Ice Storm Warning 1, NWS Kansas City, MO

December 17, 200821 counties in Missouri; Doniphan County, Kansas

NWS Kansas City, MO issued this ice storm warning at Dec 17, 2008, 4:48 PM CST for 21 counties in Missouri; Doniphan County, Kansas. It took effect at Dec 18, 2008, 3:46 AM CST. It was in force for 23 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: Dec 17, 2008, 4:48 PM CST (22:48 UTC)
In effect from: Dec 18, 2008, 3:46 AM CST
Expired: Dec 19, 2008, 2:44 AM CST
In force: 23 hr
Issued by: NWS Kansas City, MO

All 22 counties

Doniphan County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Caldwell County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Nodaway County, MO, Putnam County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 144 km from the middle of the area, began a volume at 22:45 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

Omaha, NE (KOAX), launched 12:00Z, 10.8 hours before the alert went out and 244 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1000 m above ground
0-6 km bulk shear: 114 kt
0-1 km storm-relative helicity: -114 m²/s²
0-3 km storm-relative helicity: -12 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 Kansas City, MO wrote its last area forecast discussion before this ice storm warning went out at Dec 17, 11:37 AM CST, 5 hours 11 minutes earlier.

Area forecast discussion, Dec 17, 11:37 AM CST, 5 hours 11 minutes before

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Hazardous weather outlook, Dec 17, 1:09 PM CST, 3 hours 39 minutes before

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The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 17, 3:22 AM CST	Winter Storm Watch	EAX	Atchison, Gentry, Harrison, Holt, Mercer, Nodaway and 3 more	13 hr
Dec 17, 4:48 PM CST	Freezing Rain Advisory	EAX	Andrew, Bates, Buchanan, Caldwell, Carroll, Cass and 20 more	34 hr

Nearby

Ice Storm Warnings in Missouri, 2008 Ice Storm Warnings in Kansas, 2008 Every ice storm warning 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.