Alert archive / Florida / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 76
The Storm Prediction Center issued this severe thunderstorm watch at Mar 31, 2001, 12:45 PM EST for 14 counties in Florida. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 31, 2001, 12:45 PM EST (17:45 UTC)
- Expired
- Mar 31, 2001, 6:00 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, Hardee 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, Sarasota County, FL
The radar
The Tampa radar (KTBW), 125 km from the middle of the area, began a volume at 17:45 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
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 5:18 PM EST | Severe Thunderstorm Warning | TBW | Manatee, Sarasota | 57 min |
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 5.8 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
- 1036 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
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 31, 6:00 PM EST | Severe Thunderstorm Watch | SPC | Charlotte, DeSoto, Glades, Hardee, Hendry, Highlands and 9 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Florida, 2001Every severe thunderstorm watch in 2001
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.