Alert archive / Alabama / Fire Weather Watches in 2007

Fire Weather Watch 73, NWS Mobile, AL

December 15, 2007Walton County, Florida; 5 counties in Alabama

NWS Mobile, AL issued this fire weather watch at Dec 15, 2007, 3:12 PM CST for Walton County, Florida; 5 counties in Alabama. It took effect at Dec 17, 2007, 10:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 15, 2007, 3:12 PM CST (21:12 UTC)
In effect from
Dec 17, 2007, 10:00 AM CST
Expired
Dec 17, 2007, 4:50 AM CST
In force
Issued by
NWS Mobile, AL

Counties Butler County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Walton County, FL

The radar

The Eglin Afb radar (KEVX), 107 km from the middle of the area, began a volume at 21:15 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.2 hours before the alert went out and 245 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, Tallahassee Rgnl, FL at 12:00Z on 2007-12-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 joules per kilogram.LCLLFCEL10008507005003002001001 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, Tallahassee Rgnl, FL at 12:00Z on 2007-12-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.19395878Sfc1 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
39 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
636 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
206 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 15, 11:19 AM CSTSpecial Marine WarningMOB56 min
Dec 15, 1:06 PM CSTSpecial Marine WarningMOB24 min
Dec 15, 1:27 PM CSTSpecial Marine WarningMOB63 min
Dec 15, 1:53 PM CSTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa52 min
Dec 15, 2:33 PM CSTTornado WarningMOBOkaloosa, Santa Rosa42 min
Dec 15, 3:12 PM CSTRed Flag WarningMOBWalton24 hr
Dec 15, 3:20 PM CSTWind AdvisoryMOB20 hr
Dec 15, 3:27 PM CSTSpecial Marine WarningMOB63 min
Dec 15, 4:05 PM CSTTornado WarningMOBOkaloosa40 min

Nearby

Fire Weather Watches in Alabama, 2007Fire Weather Watches in Florida, 2007Every fire weather watch in 2007

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.