Alert archive / Florida / Tornado Watches in 2020
Tornado Watch 33
The Storm Prediction Center issued this tornado watch at Feb 6, 2020, 9:25 PM EST for 21 counties in Florida. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 6, 2020, 9:25 PM EST (02:25 UTC)
- Expired
- Feb 7, 2020, 2:59 AM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 0.5 in
- Strongest gust expected
- 55 kt
All 21 counties
Brevard County, FL, Charlotte County, FL, DeSoto County, FL, Hardee County, FL, Hernando 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, Pasco County, FL, Pinellas County, FL, Polk County, FL, Sarasota County, FL, Seminole County, FL, Sumter County, FL, Volusia County, FL
The radar
The Tampa radar (KTBW), 38 km from the middle of the area, began a volume at 02:27 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 6, 10:02 PM EST | Severe Thunderstorm Warning | TBW | Citrus, Hernando, Hillsborough, Levy, Pasco, Pinellas and 1 more | 58 min |
| Feb 6, 10:31 PM EST | Tornado Warning | TBW | Pinellas | 29 min |
| Feb 6, 10:39 PM EST | Severe Thunderstorm Warning | MLB | Lake, Volusia | 51 min |
| Feb 6, 10:50 PM EST | Severe Thunderstorm Warning | TBW | Hernando, Hillsborough, Manatee, Pasco, Pinellas, Polk and 2 more | 55 min |
| Feb 6, 10:51 PM EST | Tornado Warning | TBW | Hillsborough, Pinellas | 24 min |
| Feb 6, 11:13 PM EST | Tornado Warning | TBW | Hillsborough, Manatee | 21 min |
| Feb 6, 11:17 PM EST | Tornado Warning | TBW | Manatee, Sarasota | 28 min |
| Feb 6, 11:18 PM EST | Severe Thunderstorm Warning | MLB | Lake, Orange, Seminole, Volusia | 57 min |
| Feb 6, 11:44 PM EST | Severe Thunderstorm Warning | TBW | DeSoto, Hardee, Highlands, Hillsborough, Manatee, Polk and 2 more | 61 min |
| Feb 6, 11:50 PM EST | Severe Thunderstorm Warning | MLB | Osceola | 25 min |
| Feb 7, 12:07 AM EST | Severe Thunderstorm Warning | MLB | Brevard, Orange, Osceola, Seminole, Volusia | 53 min |
| Feb 7, 12:53 AM EST | Tornado Warning | MLB | Osceola | 17 min |
| Feb 7, 12:54 AM EST | Severe Thunderstorm Warning | MLB | Brevard, Orange, Osceola, Volusia | 66 min |
| Feb 7, 1:45 AM EST | Severe Thunderstorm Warning | MLB | Brevard | 45 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 2.4 hours before the alert went out and 38 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
- 312 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 877 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 325 m²/s²
- 0-3 km storm-relative helicity
- 393 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 9.6
The text
As transmitted.
802 WWUS20 KWNS 070221 SEL3 SPC WW 070221 FLZ000-CWZ000-070800- URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 33 NWS Storm Prediction Center Norman OK 925 PM EST Thu Feb 6 2020 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Central Florida Coastal Waters * Effective this Thursday night and Friday morning from 925 PM until 300 AM EST. * Primary threats include... A couple tornadoes possible Scattered damaging wind gusts to 65 mph possible SUMMARY...Squall line across north Florida into the northeast Gulf will move east across the central portion of the peninsula tonight with scattered damaging winds and a couple tornadoes possible, before weakening during the early morning. The tornado watch area is approximately along and 60 statute miles east and west of a line from 60 miles south southeast of Sarasota FL to 40 miles north of Orlando FL. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU3). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. && OTHER WATCH INFORMATION...CONTINUE...WW 31...WW 32... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 0.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 24040. ...Grams
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 6, 7:32 PM EST | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Citrus, Clay, Columbia and 12 more | 118 min |
| Feb 6, 8:47 PM EST | Mesoscale Discussion | SPC | Brevard, Charlotte, Citrus, DeSoto, Flagler, Hardee and 18 more | 88 min |
| Feb 7, 12:38 AM EST | Mesoscale Discussion | SPC | Brevard, Charlotte, DeSoto, Glades, Hardee, Hendry and 9 more | 2 hr |
| Feb 7, 1:57 AM EST | Mesoscale Discussion | SPC | Broward, Collier, Glades, Hendry, Indian River, Martin and 5 more | 2 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.