Alert archive / Florida / Tornado Watches in 1997
Tornado Watch 789
The Storm Prediction Center issued this tornado watch at Nov 2, 1997, 7:30 AM EST for 12 counties in Florida. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 2, 1997, 7:30 AM EST (12:30 UTC)
- Expired
- Nov 2, 1997, 12:00 PM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
Counties Charlotte County, FL, Collier County, FL, DeSoto County, FL, Glades County, FL, Hendry County, FL, Highlands County, FL, Indian River County, FL, Lee County, FL, Martin County, FL, Okeechobee County, FL, Palm Beach County, FL, Saint Lucie County, FL
The radar
The Melbourne radar (KMLB), 126 km from the middle of the area, began a volume at 12:37 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 2, 8:04 AM EST | Severe Thunderstorm Warning | MLB | Okeechobee | 56 min |
| Nov 2, 8:17 AM EST | Tornado Warning | MLB | Okeechobee | 48 min |
| Nov 2, 8:47 AM EST | Tornado Warning | TBW | Charlotte | 33 min |
| Nov 2, 8:52 AM EST | Severe Thunderstorm Warning | MFL | Glades | 68 min |
| Nov 2, 9:06 AM EST | Severe Thunderstorm Warning | MFL | Hendry | 69 min |
| Nov 2, 9:20 AM EST | Severe Thunderstorm Warning | MFL | Glades | 55 min |
| Nov 2, 9:46 AM EST | Severe Thunderstorm Warning | MFL | Hendry | 59 min |
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 0.5 hours before the alert went out and 147 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
- 1853 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 788 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 6.6
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 |
|---|---|---|---|---|
| Nov 1, 7:30 PM EST | Tornado Watch | SPC | Nassau | 5 hr |
| Nov 1, 10:00 PM EST | Tornado Watch | SPC | Alachua, Baker, Bradford, Clay, Columbia, Dixie and 21 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; radar from the NEXRAD Level II archive.