Alert archive / Florida / Tornado Watches in 1999
Tornado Watch 96
The Storm Prediction Center issued this tornado watch at Mar 14, 1999, 1:00 PM EST for 20 counties in Florida. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 14, 1999, 1:00 PM EST (18:00 UTC)
- Expired
- Mar 14, 1999, 6:00 PM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
Counties Brevard County, FL, Charlotte County, FL, DeSoto County, FL, Glades County, FL, Hardee County, FL, Hendry County, FL, Highlands County, FL, Hillsborough County, FL, Indian River County, FL, Lake County, FL, Lee County, FL, Manatee County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Polk County, FL, Saint Lucie County, FL, Sarasota County, FL, Seminole County, FL, Volusia County, FL
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 14, 1:24 PM EST | Severe Thunderstorm Warning | TBW | Sarasota | 46 min |
| Mar 14, 1:26 PM EST | Tornado Warning | MLB | Volusia | 34 min |
| Mar 14, 2:19 PM EST | Severe Thunderstorm Warning | TBW | Charlotte | 46 min |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 6.0 hours before the alert went out and 73 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
- 68 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 803 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 415 m²/s²
- 0-3 km storm-relative helicity
- 506 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 9:15 PM EST | Tornado Watch | SPC | Bay, Calhoun, Escambia, Gadsden, Holmes, Jackson and 6 more | 6 hr |
| Mar 14, 3:00 AM EST | Tornado Watch | SPC | Alachua, Baker, Bradford, Calhoun, Columbia, Dixie and 15 more | 5 hr |
| Mar 14, 7:30 AM EST | Tornado Watch | SPC | Alachua, Baker, Bradford, Charlotte, Citrus, Clay and 33 more | 6 hr |
Nearby
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.