Alert archive / Florida / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 26

March 1, 200326 counties in Florida; 6 counties in Georgia

The Storm Prediction Center issued this severe thunderstorm watch at Mar 1, 2003, 1:55 PM EST for 26 counties in Florida; 6 counties in Georgia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Mar 1, 2003, 1:55 PM EST (18:55 UTC)
Expired
Mar 1, 2003, 7:00 PM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 32 counties

Alachua County, FL, Baker County, FL, Bradford County, FL, Clay County, FL, Columbia County, FL, Dixie County, FL, Duval County, FL, Flagler County, FL, Franklin County, FL, Gadsden County, FL, Gilchrist County, FL, Hamilton County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Levy County, FL, Liberty County, FL, Madison County, FL, Marion County, FL, Nassau County, FL, Putnam County, FL, Saint Johns County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Wakulla County, FL, Brooks County, GA, Camden County, GA, Charlton County, GA, Clinch County, GA, Echols County, GA, Lowndes County, GA

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 1, 3:38 PM ESTSevere Thunderstorm WarningJAXBaker, Columbia52 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 12:00Z, 6.9 hours before the alert went out and 84 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 2003-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 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 2003-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 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
450 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
350 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 3:21 AM ESTMesoscale DiscussionSPCBay, Calhoun, Citrus, Dixie, Franklin, Gulf and 5 more3 hr
Mar 1, 10:11 AM ESTMesoscale DiscussionSPCAlachua, Baker, Bay, Bradford, Calhoun, Clay and 20 more3 hr
Mar 1, 1:25 PM ESTMesoscale DiscussionSPCBroward, Glades, Hardee, Hendry, Highlands, Indian River and 4 more3 hr
Mar 1, 4:24 PM ESTMesoscale DiscussionSPCAlachua, Baker, Bradford, Clay, Columbia, Dixie and 20 more2 hr
Mar 1, 6:23 PM ESTMesoscale DiscussionSPCAlachua, Baker, Bay, Bradford, Calhoun, Clay and 17 more67 min

Nearby

Severe Thunderstorm Watches in Florida, 2003Severe Thunderstorm Watches in Georgia, 2003Every severe thunderstorm watch in 2003

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.