Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 2, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Feb 6, 2021, 6:41 PM EST for Levy County, Florida. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 6, 2021, 6:41 PM EST (23:41 UTC)
- Expired
- Feb 6, 2021, 7:15 PM EST
- In force
- 34 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Levy County, FL
The radar
The Jacksonville radar (KJAX), 162 km from the middle of the area, began a volume at 23:42 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 6, 4:21 PM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 11.7 hours before the alert went out and 163 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
120
WUUS52 KTBW 062341
SVRTBW
FLC075-070015-
/O.NEW.KTBW.SV.W.0002.210206T2341Z-210207T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tampa Bay Area Ruskin FL
641 PM EST Sat Feb 6 2021
The National Weather Service in Ruskin has issued a
* Severe Thunderstorm Warning for...
Southeastern Levy County in northern Florida...
* Until 715 PM EST.
* At 641 PM EST, a severe thunderstorm was located 11 miles southwest
of Williston Highlands, or 14 miles west of Rainbow Lakes Estates,
moving east at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Williston, Williston Highlands, Williston Municipal Airport and
Lebanon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until midnight EST for northern
Florida.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2926 8240 2922 8241 2922 8253 2921 8254
2912 8254 2909 8280 2925 8280 2939 8241
TIME...MOT...LOC 2341Z 269DEG 42KT 2920 8267
HAIL...0.75IN
WIND...60MPH
$$
TBWThe office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 6, 3:57 PM EST | Special Weather Statement | TBW | Levy | 33 min |
| Feb 6, 4:21 PM EST | Special Weather Statement | TBW | Citrus | 39 min |
| Feb 6, 5:21 PM EST | Special Marine Warning | TBW | 39 min | |
| Feb 6, 6:04 PM EST | Special Weather Statement | TBW | Levy | 56 min |
| Feb 6, 6:16 PM EST | Severe Thunderstorm Warning | TBW | Levy | 29 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2021Every severe thunderstorm warning in 2021
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.