Alert archive / Florida / Tornado Warnings in 2021
Tornado Warning 2, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Apr 18, 2021, 9:26 PM EDT for Hillsborough County, Pasco County, Pinellas 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
- Apr 18, 2021, 9:26 PM EDT (01:26 UTC)
- Expired
- Apr 18, 2021, 10:00 PM EDT
- In force
- 34 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Hillsborough County, FL, Pasco County, FL, Pinellas County, FL
The radar
The Tampa radar (KTBW), 57 km from the middle of the area, began a volume at 01:25 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 nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 1.4 hours before the alert went out and 57 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
- 1430 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 988 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.0
The text
As transmitted.
497
WFUS52 KTBW 190126
TORTBW
FLC057-101-103-190200-
/O.NEW.KTBW.TO.W.0002.210419T0126Z-210419T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tampa Bay Area Ruskin FL
926 PM EDT Sun Apr 18 2021
The National Weather Service in Ruskin has issued a
* Tornado Warning for...
Southwestern Pasco County in west central Florida...
North central Pinellas County in west central Florida...
North central Hillsborough County in west central Florida...
* Until 1000 PM EDT.
* At 926 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Holiday, moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
New Port Richey, Holiday and Beacon Square around 935 PM EDT.
East Lake around 940 PM EDT.
Keystone and Greater Northdale around 955 PM EDT.
Lutz and Land O Lakes around 1000 PM EDT.
Other locations impacted by this tornadic thunderstorm include Jay B
Starkey Wilderness Park, Trinity, Cheval, Odessa, Lake Fern and
Elfers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
&&
LAT...LON 2812 8280 2817 8281 2830 8256 2823 8244
2812 8242
TIME...MOT...LOC 0126Z 260DEG 33KT 2815 8280
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
TBW3 follow-up statements
596
WWUS52 KTBW 190137
SVSTBW
Severe Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
937 PM EDT Sun Apr 18 2021
FLC057-101-103-190200-
/O.CON.KTBW.TO.W.0002.000000T0000Z-210419T0200Z/
Pasco FL-Pinellas FL-Hillsborough FL-
937 PM EDT Sun Apr 18 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT FOR SOUTH
CENTRAL PASCO...NORTH CENTRAL PINELLAS AND NORTH CENTRAL HILLSBOROUGH
COUNTIES...
At 937 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Holiday, moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Keystone around 955 PM EDT.
Lutz and Land O Lakes around 1000 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Trinity, Cheval, Odessa and Lake Fern.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
&&
LAT...LON 2814 8271 2817 8273 2827 8250 2823 8244
2813 8242
TIME...MOT...LOC 0137Z 259DEG 33KT 2816 8269
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
TBW007
WWUS52 KTBW 190146
SVSTBW
Severe Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
946 PM EDT Sun Apr 18 2021
FLC103-190156-
/O.CAN.KTBW.TO.W.0002.000000T0000Z-210419T0200Z/
Pinellas FL-
946 PM EDT Sun Apr 18 2021
...THE TORNADO WARNING FOR NORTH CENTRAL PINELLAS COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
LAT...LON 2815 8262 2818 8263 2825 8247 2823 8244
2815 8242
TIME...MOT...LOC 0146Z 259DEG 32KT 2817 8260
$$
FLC057-101-190200-
/O.CON.KTBW.TO.W.0002.000000T0000Z-210419T0200Z/
Pasco FL-Hillsborough FL-
946 PM EDT Sun Apr 18 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT FOR SOUTH
CENTRAL PASCO AND NORTH CENTRAL HILLSBOROUGH COUNTIES...
At 946 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Keystone, or 8 miles east of Holiday, moving east at
35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Lutz and Land O Lakes around 1000 PM EDT.
Other locations impacted by this tornadic thunderstorm include Lake
Fern, Cheval, Odessa and Trinity.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
&&
LAT...LON 2815 8262 2818 8263 2825 8247 2823 8244
2815 8242
TIME...MOT...LOC 0146Z 259DEG 32KT 2817 8260
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
TBW530
WWUS52 KTBW 190155
SVSTBW
Severe Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
955 PM EDT Sun Apr 18 2021
FLC057-101-190205-
/O.EXP.KTBW.TO.W.0002.000000T0000Z-210419T0200Z/
Pasco FL-Hillsborough FL-
955 PM EDT Sun Apr 18 2021
...THE TORNADO WARNING FOR SOUTH CENTRAL PASCO AND NORTH CENTRAL
HILLSBOROUGH COUNTIES WILL EXPIRE AT 1000 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with this thunderstorm.
LAT...LON 2815 8262 2818 8263 2825 8247 2823 8244
2815 8242
TIME...MOT...LOC 0154Z 260DEG 33KT 2817 8262
$$
TBWThe office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 9:23 PM EDT | Special Marine Warning | TBW | 37 min | |
| Apr 18, 9:55 PM EDT | Special Weather Statement | TBW | Pinellas | 35 min |
| Apr 18, 10:53 PM EDT | Special Weather Statement | TBW | Polk | 22 min |
| Apr 18, 11:16 PM EDT | Special Weather Statement | TBW | Polk | 44 min |
| Apr 19, 3:33 AM EDT | Special Marine Warning | TBW | 57 min | |
| Apr 19, 4:14 AM EDT | Special Weather Statement | TBW | Polk | 46 min |
| Apr 19, 4:18 AM EDT | Special Weather Statement | TBW | Manatee | 27 min |
| Apr 19, 4:26 AM EDT | Severe Thunderstorm Warning | TBW | Polk | 34 min |
| Apr 19, 4:57 AM EDT | Special Marine Warning | TBW | 63 min | |
| Apr 19, 5:01 AM EDT | Special Weather Statement | TBW | Polk | 44 min |
| Apr 19, 5:42 AM EDT | Special Weather Statement | TBW | Hardee | 48 min |
| Apr 19, 5:48 AM EDT | Severe Thunderstorm Warning | TBW | Polk | 42 min |
| Apr 19, 5:58 AM EDT | Areal Flood Advisory | TBW | Polk | 2 hr |
| Apr 19, 6:06 AM EDT | Special Marine Warning | TBW | 39 min | |
| Apr 19, 6:36 AM EDT | Special Weather Statement | TBW | Hardee | 39 min |
| Apr 19, 6:44 AM EDT | Tornado Warning | TBW | Hardee | 36 min |
| Apr 19, 7:19 AM EDT | Special Weather Statement | TBW | Highlands | 41 min |
| Apr 19, 7:57 AM EDT | Areal Flood Advisory | TBW | Hardee, Highlands | 2 hr |
| Apr 19, 8:00 AM EDT | Special Weather Statement | TBW | Highlands | 60 min |
| Apr 19, 10:36 AM EDT | Special Weather Statement | TBW | Charlotte | 39 min |
| Apr 19, 2:22 PM EDT | Rip Current Statement | TBW | Charlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota | 30 hr |
| Apr 19, 3:00 PM EDT | Special Weather Statement | TBW | Highlands | 30 min |
| Apr 19, 3:33 PM EDT | Severe Thunderstorm Warning | TBW | Highlands | 27 min |
Nearby
Tornado Warnings in Florida, 2021Every tornado warning in 2021Tornadoes 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.