Alert archive / Georgia / Wind Chill Advisories in 2010

Wind Chill Advisory 9, NWS Tallahassee, FL

December 12, 201016 counties in Florida; 26 counties in Georgia; 5 counties in Alabama

NWS Tallahassee, FL issued this wind chill advisory at Dec 12, 2010, 4:35 AM CST for 16 counties in Florida; 26 counties in Georgia; 5 counties in Alabama. It took effect at Dec 12, 2010, 10:00 PM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Dec 12, 2010, 4:35 AM CST (10:35 UTC)
In effect from: Dec 12, 2010, 10:00 PM CST
Expired: Dec 13, 2010, 10:12 AM CST
In force: 12 hr
Issued by: NWS Tallahassee, FL

All 47 counties

Coffee County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Dixie County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Worth County, GA

The radar

The Tallahassee radar (KTLH), 66 km from the middle of the area, began a volume at 10:34 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

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 10.6 hours before the alert went out and 66 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: 988 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 72 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 Tallahassee, FL wrote its last area forecast discussion before this wind chill advisory went out at Dec 12, 2:20 AM CST, 2 hours 15 minutes earlier.

Area forecast discussion, Dec 12, 2:20 AM CST, 2 hours 15 minutes before

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Hazardous weather outlook, Dec 11, 8:59 PM CST, 7 hours 36 minutes before

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In the hours before

Special weather statement, Dec 12, 1:06 AM CST, 3 hours 29 minutes before

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Special weather statement, Dec 12, 1:34 AM CST, 3 hours 1 minute before

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Special weather statement, Dec 12, 1:53 AM CST, 2 hours 42 minutes before

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Special weather statement, Dec 12, 3:26 AM CST, 1 hour 9 minutes before

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Special weather statement, Dec 12, 3:59 AM CST, 36 minutes before

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The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 11, 7:51 PM CST	Gale Warning	TAE		39 hr
Dec 11, 8:00 PM CST	Hard Freeze Watch	TAE	Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 7 more	8 hr
Dec 12, 1:19 AM CST	Severe Thunderstorm Warning	TAE	Holmes, Walton, Washington	41 min
Dec 12, 1:25 AM CST	Severe Thunderstorm Warning	TAE	Walton	35 min
Dec 12, 1:37 AM CST	Special Marine Warning	TAE		68 min
Dec 12, 2:01 AM CST	Severe Thunderstorm Warning	TAE	Bay, Walton, Washington	44 min
Dec 12, 2:35 AM CST	Special Marine Warning	TAE		85 min
Dec 12, 2:45 AM CST	Severe Thunderstorm Warning	TAE	Bay, Calhoun, Gulf	45 min
Dec 12, 2:47 AM CST	Rip Current Statement	TAE	Bay, Gulf, Walton	30 hr
Dec 12, 3:54 AM CST	Special Marine Warning	TAE		96 min
Dec 12, 4:02 AM CST	Small Craft Advisory	TAE		54 hr
Dec 12, 4:14 AM CST	Hard Freeze Warning	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	27 hr
Dec 12, 5:01 AM CST	Special Marine Warning	TAE		74 min
Dec 12, 1:18 PM CST	Red Flag Warning	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	29 hr
Dec 12, 4:13 PM CST	Hard Freeze Watch	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	22 hr
Dec 12, 4:24 PM CST	High Surf Advisory	TAE	Bay, Gulf, Walton	17 hr

Nearby

Wind Chill Advisories in Georgia, 2010 Wind Chill Advisories in Florida, 2010 Wind Chill Advisories in Alabama, 2010 Every wind chill advisory in 2010

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.