Alert archive / Illinois / Winter Storm Warnings in 2009

Winter Storm Warning 1, NWS Paducah, KY

January 26, 200914 counties in Kentucky; 19 counties in Illinois; 10 counties in Missouri

NWS Paducah, KY issued this winter storm warning at Jan 26, 2009, 4:23 AM CST for 14 counties in Kentucky; 19 counties in Illinois; 10 counties in Missouri. It took effect at Jan 26, 2009, 6:00 PM CST. It was in force for 42 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: Jan 26, 2009, 4:23 AM CST (10:23 UTC)
In effect from: Jan 26, 2009, 6:00 PM CST
Expired: Jan 28, 2009, 11:50 AM CST
In force: 42 hr
Issued by: NWS Paducah, KY

All 43 counties

Alexander County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Massac County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Ballard County, KY, Caldwell County, KY, Carlisle County, KY, Crittenden County, KY, Daviess County, KY, Henderson County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Mississippi County, MO, Perry County, MO, Ripley County, MO, Scott County, MO, Stoddard County, MO, Wayne County, MO

The radar

The Paducah radar (KPAH), 44 km from the middle of the area, began a volume at 10:20 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

Lincoln, IL (KILX), launched 00:00Z, 10.4 hours before the alert went out and 299 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: 795 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: -25 m²/s²
0-3 km storm-relative helicity: 176 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 winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Paducah, KY wrote its last area forecast discussion before this winter storm warning went out at Jan 26, 3:21 AM CST, 1 hour 2 minutes earlier.

Area forecast discussion, Jan 26, 3:21 AM CST, 1 hour 2 minutes before

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The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 26, 4:23 AM CST	Ice Storm Warning	PAH	Calloway, Christian, Fulton, Graves, Hickman, Muhlenberg and 2 more	55 hr

Nearby

Winter Storm Warnings in Illinois, 2009 Winter Storm Warnings in Kentucky, 2009 Winter Storm Warnings in Missouri, 2009 Every winter storm warning in 2009

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.