Alert archive / Kentucky / Wind Chill Advisories in 2015

Wind Chill Advisory 2, NWS Paducah, KY

February 18, 201522 counties in Kentucky; 19 counties in Illinois; 11 counties in Missouri

NWS Paducah, KY issued this wind chill advisory at Feb 18, 2015, 3:12 AM CST for 22 counties in Kentucky; 19 counties in Illinois; 11 counties in Missouri. It took effect at Feb 18, 2015, 6:00 PM CST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued: Feb 18, 2015, 3:12 AM CST (09:12 UTC)
In effect from: Feb 18, 2015, 6:00 PM CST
Expired: Feb 19, 2015, 10:49 AM CST
In force: 17 hr
Issued by: NWS Paducah, KY

All 52 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, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Fulton County, KY, Graves County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Muhlenberg County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Mississippi County, MO, New Madrid County, MO, Perry County, MO, Ripley County, MO, Scott County, MO, Stoddard County, MO, Wayne County, MO

The radar

The Paducah radar (KPAH), 31 km from the middle of the area, began a volume at 09:15 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

Nashville Metro, TN (KBNA), launched 00:00Z, 9.2 hours before the alert went out and 232 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: 908 m above ground
0-6 km bulk shear: 78 kt
0-1 km storm-relative helicity: -110 m²/s²
0-3 km storm-relative helicity: -64 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 wind chill advisory 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 wind chill advisory went out at Feb 18, 3:03 AM CST, 9 minutes earlier.

Area forecast discussion, Feb 18, 3:03 AM CST, 9 minutes before

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Hazardous weather outlook, Feb 17, 2:35 PM CST, 12 hours 37 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PADUCAH KY
235 PM CST TUE FEB 17 2015

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-182045-
JEFFERSON-WAYNE IL-EDWARDS-WABASH-PERRY IL-FRANKLIN-HAMILTON-
WHITE-JACKSON-WILLIAMSON-SALINE-GALLATIN-UNION IL-JOHNSON-POPE-
HARDIN-ALEXANDER-PULASKI-MASSAC-GIBSON-PIKE-POSEY-VANDERBURGH-
WARRICK-SPENCER-FULTON-HICKMAN-CARLISLE-BALLARD-MCCRACKEN-GRAVES-
LIVINGSTON-MARSHALL-CALLOWAY-CRITTENDEN-LYON-TRIGG-CALDWELL-
UNION KY-WEBSTER-HOPKINS-CHRISTIAN-HENDERSON-DAVIESS-MCLEAN-
MUHLENBERG-TODD-PERRY MO-BOLLINGER-CAPE GIRARDEAU-WAYNE MO-CARTER-
RIPLEY-BUTLER-STODDARD-SCOTT-MISSISSIPPI-NEW MADRID-
235 PM CST TUE FEB 17 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN
ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST
MISSOURI.

.DAY ONE...THIS AFTERNOON AND TONIGHT

AN INCH OR TWO OF NEW SNOW WILL BE POSSIBLE TONIGHT OVER MUCH OF
THE REGION. REFER TO OUR WINTER WEATHER ADVISORY FOR MORE
DETAILS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

DANGEROUSLY COLD TEMPERATURES AND WIND CHILLS ARE LIKELY WEDNESDAY
WEDNESDAY NIGHT AND INTO THURSDAY. PLEASE SEE OUR SPECIAL WEATHER
STATEMENT FOR MORE INFORMATION.

APPRECIABLE MIXED WINTRY PRECIPITATION IS POSSIBLE LATE FRIDAY
AND INTO THE FIRST HALF OF THE WEEKEND. CONFIDENCE REMAINS LOW IN
FORECAST TIMING...AMOUNTS AND PRECIPITATION TYPE. HOWEVER...IT IS
WORTH MONITORING THIS POTENTIAL EVENT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED. SNOW AND ICE REPORTS ARE
APPRECIATED.

In the hours before

Local storm report, Feb 18, 2:18 AM CST, 54 minutes before

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Local storm report, Feb 18, 2:20 AM CST, 52 minutes before

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Nearby

Wind Chill Advisories in Kentucky, 2015 Wind Chill Advisories in Illinois, 2015 Wind Chill Advisories in Missouri, 2015 Every wind chill advisory 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.