Alert archive / Florida / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 32
The Storm Prediction Center issued this severe thunderstorm watch at Mar 7, 2003, 12:00 PM EST for 30 counties in Florida. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 7, 2003, 12:00 PM EST (17:00 UTC)
- Expired
- Mar 7, 2003, 6:00 PM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 30 counties
Alachua County, FL, Bradford County, FL, Brevard County, FL, Citrus County, FL, Clay County, FL, DeSoto County, FL, Dixie County, FL, Duval County, FL, Flagler County, FL, Gilchrist County, FL, Hardee County, FL, Hernando County, FL, Hillsborough County, FL, Indian River County, FL, Lake County, FL, Levy County, FL, Manatee County, FL, Marion County, FL, Orange County, FL, Osceola County, FL, Pasco County, FL, Pinellas County, FL, Polk County, FL, Putnam County, FL, Saint Johns County, FL, Sarasota County, FL, Seminole County, FL, Sumter County, FL, Union County, FL, Volusia County, FL
The radar
The Tampa radar (KTBW), 134 km from the middle of the area, began a volume at 16:59 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
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 12:01 PM EST | Severe Thunderstorm Warning | JAX | Marion | 14 min |
| Mar 7, 12:09 PM EST | Severe Thunderstorm Warning | MLB | Lake, Volusia | 66 min |
| Mar 7, 1:23 PM EST | Severe Thunderstorm Warning | MLB | Seminole, Volusia | 52 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 5.0 hours before the alert went out and 179 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
- 188 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 905 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 11:30 AM EST | Mesoscale Discussion | SPC | Alachua, Bradford, Citrus, Clay, Columbia, Dixie and 19 more | 2 hr |
| Mar 7, 2:18 PM EST | Mesoscale Discussion | SPC | Alachua, Bradford, Brevard, Citrus, Clay, Dixie and 23 more | 117 min |
Nearby
Severe Thunderstorm Watches in Florida, 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; radar from the NEXRAD Level II archive.