Alert archive / Florida / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 207

April 26, 2005Escambia County, Geneva County, Houston County, Alabama; 12 counties in Florida; Decatur County, Miller County, Seminole County, Georgia

The Storm Prediction Center issued this severe thunderstorm watch at Apr 26, 2005, 4:00 PM CDT for Escambia County, Geneva County, Houston County, Alabama; 12 counties in Florida; Decatur County, Miller County, Seminole County, Georgia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 26, 2005, 4:00 PM CDT (21:00 UTC)
Expired
Apr 26, 2005, 10:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center

Counties Escambia County, AL, Geneva County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Gadsden 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, Decatur County, GA, Miller County, GA, Seminole County, GA

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 26, 4:29 PM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa31 min
Apr 26, 4:50 PM CDTSevere Thunderstorm WarningMOBOkaloosa29 min
Apr 26, 5:08 PM CDTSevere Thunderstorm WarningTAEWalton37 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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 9.0 hours before the alert went out and 34 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, Eglin AFB/Valpar, FL at 12:00Z on 2005-04-26Temperature 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, Eglin AFB/Valpar, FL at 12:00Z on 2005-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 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
780 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
343 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 26, 9:49 AM CDTMesoscale DiscussionSPCAutauga, Barbour, Bibb, Bullock, Butler, Calhoun and 38 more116 min
Apr 26, 1:54 PM CDTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bullock, Butler, Clarke and 20 more66 min
Apr 26, 5:31 PM CDTMesoscale DiscussionSPCHouston89 min
Apr 26, 12:19 PM CDTMesoscale DiscussionSPCBaker, Bradford, Columbia, Duval, Gadsden, Hamilton and 10 more116 min
Apr 26, 12:55 PM CDTSevere Thunderstorm WatchSPCAlachua, Baker, Bradford, Brevard, Citrus, Clay and 28 more7 hr
Apr 26, 3:17 PM CDTMesoscale DiscussionSPCAlachua, Baker, Bradford, Brevard, Citrus, Clay and 27 more58 min
Apr 26, 5:47 PM CDTMesoscale DiscussionSPCAlachua, Baker, Bradford, Brevard, Citrus, Clay and 28 more58 min

Nearby

Severe Thunderstorm Watches in Florida, 2005Severe Thunderstorm Watches in Alabama, 2005Severe Thunderstorm Watches in Georgia, 2005Every severe thunderstorm watch in 2005

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.