Alert archive / Florida / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 392
The Storm Prediction Center issued this severe thunderstorm watch at Jun 3, 2004, 4:35 PM EDT for 12 counties in Florida; 6 counties in Georgia. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 3, 2004, 4:35 PM EDT (20:35 UTC)
- Expired
- Jun 3, 2004, 9:00 PM EDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
Counties Baker County, FL, Bradford County, FL, Clay County, FL, Duval County, FL, Flagler County, FL, Lake County, FL, Nassau County, FL, Orange County, FL, Putnam County, FL, Saint Johns County, FL, Seminole County, FL, Volusia County, FL, Brantley County, GA, Camden County, GA, Charlton County, GA, Glynn County, GA, Pierce County, GA, Ware County, GA
The radar
The Jacksonville radar (KJAX), 30 km from the middle of the area, began a volume at 20:39 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.
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 5:35 PM EDT | Severe Thunderstorm Warning | JAX | Nassau | 40 min |
| Jun 3, 5:41 PM EDT | Severe Thunderstorm Warning | JAX | Duval | 49 min |
| Jun 3, 5:42 PM EDT | Severe Thunderstorm Warning | JAX | Clay | 48 min |
| Jun 3, 5:45 PM EDT | Severe Thunderstorm Warning | JAX | Clay | 45 min |
| Jun 3, 6:16 PM EDT | Severe Thunderstorm Warning | JAX | Nassau | 44 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
Jacksonville, FL (KJAX), launched 12:00Z, 8.6 hours before the alert went out and 31 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.
- Mixed-layer CAPE
- 158 J/kg
- Mixed-layer CIN
- -196 J/kg
- Mixed-layer LCL
- 1314 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 8:18 PM EDT | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Clay, Duval, Nassau and 2 more | 57 min |
| Jun 3, 10:51 AM EDT | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Calhoun, Citrus, Clay and 21 more | 2 hr |
| Jun 3, 12:00 PM EDT | Severe Thunderstorm Watch | SPC | Alachua, Baker, Bradford, Clay, Columbia, Dixie and 19 more | 5 hr |
| Jun 3, 3:41 PM EDT | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Clay, Columbia, Dixie and 10 more | 49 min |
Nearby
Severe Thunderstorm Watches in Florida, 2004Severe Thunderstorm Watches in Georgia, 2004Every severe thunderstorm watch in 2004
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.