Alert archive / Florida / Tornado Watches in 1999

Tornado Watch 7

January 2, 199932 counties in Florida; 25 counties in Georgia

The Storm Prediction Center issued this tornado watch at Jan 2, 1999, 9:00 PM EST for 32 counties in Florida; 25 counties in Georgia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jan 2, 1999, 9:00 PM EST (02:00 UTC)
Expired: Jan 3, 1999, 3:00 AM EST
In force: 6 hr
Issued by: the Storm Prediction Center

All 57 counties

Alachua County, FL, Baker County, FL, Bradford County, FL, Brevard County, FL, Citrus County, FL, Clay County, FL, Columbia County, FL, Duval County, FL, Flagler County, FL, Gilchrist County, FL, Hamilton 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, Nassau County, FL, Orange County, FL, Osceola County, FL, Pasco County, FL, Pinellas County, FL, Polk County, FL, Putnam County, FL, Saint Johns County, FL, Seminole County, FL, Sumter County, FL, Suwannee County, FL, Union County, FL, Volusia County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Bryan County, GA, Camden County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Echols County, GA, Glynn County, GA, Irwin County, GA, Jeff Davis County, GA, Lanier County, GA, Liberty County, GA, Long County, GA, McIntosh County, GA, Pierce County, GA, Tattnall County, GA, Telfair County, GA, Ware County, GA, Wayne County, GA

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jan 2, 9:13 PM EST	Severe Thunderstorm Warning	JAX	Clinch, Echols	47 min
Jan 2, 9:19 PM EST	Severe Thunderstorm Warning	JAX	Gilchrist	46 min
Jan 2, 9:22 PM EST	Severe Thunderstorm Warning	JAX	Columbia	48 min
Jan 2, 9:26 PM EST	Severe Thunderstorm Warning	JAX	Bacon, Coffee, Ware	49 min
Jan 2, 9:39 PM EST	Severe Thunderstorm Warning	JAX	Appling, Jeff Davis	51 min
Jan 2, 9:45 PM EST	Severe Thunderstorm Warning	CHS	Candler, Tattnall	60 min
Jan 2, 9:46 PM EST	Severe Thunderstorm Warning	JAX	Alachua, Baker, Bradford, Union	64 min
Jan 2, 9:54 PM EST	Severe Thunderstorm Warning	JAX	Brantley, Pierce, Wayne	61 min
Jan 2, 9:54 PM EST	Severe Thunderstorm Warning	JAX	Charlton	61 min
Jan 2, 9:55 PM EST	Severe Thunderstorm Warning	TBW	Hernando, Pasco	65 min
Jan 2, 9:55 PM EST	Severe Thunderstorm Warning	TBW	Citrus	65 min
Jan 2, 10:14 PM EST	Severe Thunderstorm Warning	JAX	Marion	91 min
Jan 2, 10:17 PM EST	Severe Thunderstorm Warning	TBW	Pinellas	58 min
Jan 2, 10:26 PM EST	Severe Thunderstorm Warning	JAX	Clay, Putnam	89 min
Jan 2, 10:26 PM EST	Severe Thunderstorm Warning	JAX	Duval, Nassau	89 min
Jan 2, 10:39 PM EST	Severe Thunderstorm Warning	TBW	Hillsborough, Manatee	61 min
Jan 2, 10:39 PM EST	Severe Thunderstorm Warning	JAX	Camden, Glynn	91 min
Jan 2, 10:45 PM EST	Severe Thunderstorm Warning	TBW	Sumter	60 min
Jan 2, 10:58 PM EST	Severe Thunderstorm Warning	JAX	Brantley, Wayne	47 min
Jan 2, 11:02 PM EST	Severe Thunderstorm Warning	JAX	Saint Johns	78 min
Jan 2, 11:02 PM EST	Severe Thunderstorm Warning	TBW	Hernando, Pasco	43 min
Jan 2, 11:28 PM EST	Severe Thunderstorm Warning	MLB	Lake	62 min
Jan 2, 11:31 PM EST	Tornado Warning	JAX	Clay, Saint Johns	34 min
Jan 2, 11:37 PM EST	Severe Thunderstorm Warning	TBW	Polk	63 min
Jan 2, 11:38 PM EST	Severe Thunderstorm Warning	JAX	Flagler	77 min
Jan 2, 11:57 PM EST	Tornado Warning	JAX	Saint Johns	33 min
Jan 2, 11:58 PM EST	Severe Thunderstorm Warning	TBW	DeSoto, Hardee	42 min
Jan 3, 12:10 AM EST	Tornado Warning	MLB	Orange, Seminole	30 min
Jan 3, 12:29 AM EST	Severe Thunderstorm Warning	MLB	Volusia	61 min
Jan 3, 12:33 AM EST	Severe Thunderstorm Warning	MLB	Orange, Osceola, Seminole	62 min
Jan 3, 12:34 AM EST	Severe Thunderstorm Warning	TBW	Highlands, Polk	61 min
Jan 3, 1:03 AM EST	Tornado Warning	MLB	Osceola	32 min
Jan 3, 1:10 AM EST	Severe Thunderstorm Warning	MLB	Brevard	60 min
Jan 3, 1:31 AM EST	Tornado Warning	MLB	Brevard	49 min
Jan 3, 2:29 AM EST	Severe Thunderstorm Warning	MLB	Indian River, Saint Lucie	31 min

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 2.0 hours before the alert went out and 27 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 811 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 670 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 264 m²/s²
0-3 km storm-relative helicity: 349 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 9.1

Open this sounding in Storm Lab

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
Jan 3, 12:45 AM EST	Tornado Watch	SPC	Broward, Charlotte, Collier, DeSoto, Glades, Hendry and 7 more	5 hr
Jan 2, 11:00 PM EST	Tornado Watch	SPC	Bulloch, Candler, Effingham, Evans, Montgomery, Screven	6 hr

Nearby

Tornado Watches in Florida, 1999 Tornado Watches in Georgia, 1999 Every tornado watch in 1999

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.