Alert archive / Kentucky / Winter Storm Watches in 2012

Winter Storm Watch 2, NWS Paducah, KY

December 25, 2012Christian County, Muhlenberg County, Todd County, Kentucky

NWS Paducah, KY issued this winter storm watch at Dec 25, 2012, 4:49 AM CST for Christian County, Muhlenberg County, Todd County, Kentucky. It took effect at Dec 26, 2012, 12:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 25, 2012, 4:49 AM CST (10:49 UTC)
In effect from
Dec 26, 2012, 12:00 AM CST
Expired
Dec 25, 2012, 1:31 PM CST
In force
Issued by
NWS Paducah, KY

Counties Christian County, KY, Muhlenberg County, KY, Todd County, KY

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 10.8 hours before the alert went out and 340 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-pSkew-T log-p diagram, Little Rock, AR at 00:00Z on 2012-12-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2012-12-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
2386 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
179 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 watch 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 watch went out at Dec 25, 4:11 AM CST, 38 minutes earlier.

Area forecast discussion, Dec 25, 4:11 AM CST, 38 minutes before
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Hazardous weather outlook, Dec 24, 2:53 PM CST, 13 hours 56 minutes before
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      <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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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 25, 4:49 AM CSTBlizzard WarningPAHBallard, Caldwell, Calloway, Carlisle, Crittenden, Daviess and 13 more29 hr
Dec 25, 1:31 PM CSTWinter Weather AdvisoryPAHCaldwell, Calloway, Christian, Crittenden, Daviess, Henderson and 10 more25 hr

Nearby

Winter Storm Watches in Kentucky, 2012Every winter storm watch in 2012

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.