Alert archive / Florida / Tornado Watches in 1998
Tornado Watch 100
The Storm Prediction Center issued this tornado watch at Mar 8, 1998, 8:00 PM EST for 27 counties in Florida; 20 counties in Georgia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 8, 1998, 8:00 PM EST (01:00 UTC)
- Expired
- Mar 9, 1998, 2:00 AM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 47 counties
Alachua County, FL, Baker County, FL, Bradford County, FL, Citrus County, FL, Clay County, FL, Columbia County, FL, Dixie County, FL, Duval County, FL, Flagler County, FL, Gilchrist County, FL, Hamilton County, FL, Hardee County, FL, Hernando County, FL, Hillsborough County, FL, Lake County, FL, Levy County, FL, Manatee County, FL, Marion County, FL, Nassau County, FL, Pasco County, FL, Pinellas County, FL, Polk County, FL, Putnam County, FL, Saint Johns County, FL, Sumter County, FL, Suwannee County, FL, Union County, FL, Appling County, GA, Bacon County, GA, Brantley County, GA, Bryan County, GA, Camden County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Echols County, GA, Evans County, GA, Glynn County, GA, Jeff Davis County, GA, Liberty County, GA, Long County, GA, McIntosh County, GA, Pierce County, GA, Tattnall County, GA, Toombs County, GA, Ware County, GA, Wayne County, GA
The radar
The Jacksonville radar (KJAX), 155 km from the middle of the area, began a volume at 01:00 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
19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 8:18 PM EST | Severe Thunderstorm Warning | JAX | Columbia | 62 min |
| Mar 8, 8:56 PM EST | Severe Thunderstorm Warning | JAX | Gilchrist | 59 min |
| Mar 8, 9:21 PM EST | Flash Flood Warning | JAX | Appling, Bacon, Jeff Davis | 4 hr |
| Mar 8, 9:29 PM EST | Severe Thunderstorm Warning | JAX | Alachua, Baker, Bradford, Union | 61 min |
| Mar 8, 10:07 PM EST | Severe Thunderstorm Warning | JAX | Marion | 58 min |
| Mar 8, 10:23 PM EST | Severe Thunderstorm Warning | JAX | Clay, Duval | 62 min |
| Mar 8, 10:25 PM EST | Severe Thunderstorm Warning | TBW | Hernando, Pasco | 55 min |
| Mar 8, 10:27 PM EST | Severe Thunderstorm Warning | JAX | Putnam | 63 min |
| Mar 8, 10:44 PM EST | Severe Thunderstorm Warning | JAX | Saint Johns | 46 min |
| Mar 8, 10:56 PM EST | Severe Thunderstorm Warning | JAX | Flagler | 44 min |
| Mar 8, 11:06 PM EST | Severe Thunderstorm Warning | MLB | Lake, Volusia | 59 min |
| Mar 8, 11:51 PM EST | Tornado Warning | TBW | Pasco | 44 min |
| Mar 9, 12:29 AM EST | Severe Thunderstorm Warning | TBW | Manatee, Sarasota | 51 min |
| Mar 9, 12:34 AM EST | Severe Thunderstorm Warning | TBW | Hillsborough, Polk | 51 min |
| Mar 9, 12:52 AM EST | Severe Thunderstorm Warning | TBW | Hardee | 48 min |
| Mar 9, 12:55 AM EST | Flash Flood Warning | JAX | Appling, Bacon, Coffee, Jeff Davis | 20 min |
| Mar 9, 12:55 AM EST | Flash Flood Warning | JAX | Appling, Bacon, Coffee, Jeff Davis | 7 hr |
| Mar 9, 1:24 AM EST | Severe Thunderstorm Warning | TBW | Highlands, Polk | 46 min |
| Mar 9, 1:32 AM EST | Tornado Warning | TBW | Polk | 33 min |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 00:00Z, 1.0 hours before the alert went out and 157 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
- 833 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 1161 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 2.8
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 9, 1:00 AM EST | Tornado Watch | SPC | Brevard, Broward, Charlotte, Collier, DeSoto, Glades and 14 more | 6 hr |
Nearby
Tornado Watches in Florida, 1998Tornado Watches in Georgia, 1998Every tornado watch in 1998
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.