Alert archive / Florida / Tornado Watches in 2006

Tornado Watch 236

April 21, 2006Baldwin County, Escambia County, Mobile County, Alabama; 12 counties in Florida

The Storm Prediction Center issued this tornado watch at Apr 21, 2006, 10:48 PM CDT for Baldwin County, Escambia County, Mobile County, Alabama; 12 counties in Florida. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Apr 21, 2006, 10:48 PM CDT (03:48 UTC)
Expired
Apr 22, 2006, 3:00 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center

Counties Baldwin County, AL, Escambia County, AL, Mobile County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Franklin County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Liberty County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL

Warnings issued inside it

6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Apr 21, 10:55 PM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile65 min
Apr 21, 11:05 PM CDTTornado WarningMOBOkaloosa, Santa Rosa40 min
Apr 22, 12:01 AM CDTSevere Thunderstorm WarningMOBBaldwin44 min
Apr 22, 12:01 AM CDTSevere Thunderstorm WarningMOBBaldwin44 min
Apr 22, 12:01 AM CDTTornado WarningMOBOkaloosa14 min
Apr 22, 12:07 AM CDTTornado WarningTAEWalton23 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 3.8 hours before the alert went out and 247 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 00:00Z on 2006-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1232 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 00:00Z on 2006-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.193958Sfc1 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
1232 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1276 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 21, 8:05 PM CDTMesoscale DiscussionSPCBarbour, Bullock, Chambers, Coffee, Dale, Elmore and 9 more115 min
Apr 21, 8:21 PM CDTSevere Thunderstorm WatchSPCBarbour, Bullock, Coffee, Covington, Crenshaw, Dale and 7 more7 hr
Apr 21, 10:40 PM CDTMesoscale DiscussionSPCBaldwin, Conecuh, Covington, Escambia, Geneva, Houston and 2 more2 hr
Apr 22, 2:28 AM CDTMesoscale DiscussionSPCBarbour, Bullock, Dale, Geneva, Henry, Houston and 2 more62 min
Apr 22, 2:54 AM CDTMesoscale DiscussionSPCBay, Calhoun, Escambia, Gulf, Holmes, Jackson and 5 more96 min
Apr 22, 11:20 AM CDTMesoscale DiscussionSPCAlachua, Bradford, Clay, Columbia, Flagler, Gilchrist and 5 more85 min

Nearby

Tornado Watches in Florida, 2006Tornado Watches in Alabama, 2006Every tornado watch in 2006

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.