Alert archive / Florida / Tornado Warnings in 2019

Tornado Warning 13, NWS Tampa Bay, FL

December 14, 20194 counties in Florida

NWS Tampa Bay, FL issued this tornado warning at Dec 14, 2019, 4:41 AM EST for 4 counties in 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
Dec 14, 2019, 4:41 AM EST (09:41 UTC)
Expired
Dec 14, 2019, 5:15 AM EST
In force
34 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Citrus County, FL, Hernando County, FL, Pasco County, FL, Sumter County, FL

The radar

The Tampa radar (KTBW), 95 km from the middle of the area, began a volume at 09:42 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.

IssuedProductOfficeLasted
Dec 14, 3:47 AM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 9.7 hours before the alert went out and 95 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.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 00:00Z on 2019-12-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 100 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 2019-12-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
100 J/kg
Mixed-layer CIN
-212 J/kg
Mixed-layer LCL
1057 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted.

725 
WFUS52 KTBW 140941
TORTBW
FLC017-053-101-119-141015-
/O.NEW.KTBW.TO.W.0013.191214T0941Z-191214T1015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tampa Bay Area Ruskin FL
441 AM EST Sat Dec 14 2019

The National Weather Service in Ruskin has issued a

* Tornado Warning for...
  Southeastern Citrus County in west central Florida...
  West central Sumter County in central Florida...
  Northwestern Pasco County in west central Florida...
  Hernando County in west central Florida...

* Until 515 AM EST.
    
* At 440 AM EST, a severe thunderstorm capable of producing a tornado
  was located over North Weeki Wachee, or 7 miles west of
  Brooksville, 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...
  Brooksville and South Brooksville around 450 AM EST.
  North Brooksville around 455 AM EST.
  Hill n Dale around 500 AM EST.
  Bushnell around 515 AM EST.

Other locations impacted by this tornadic thunderstorm include Royal
Highlands, High Point, Lake Lindsey, Suburban Acres, Wahoo, Glen
Lakes, Weeki Wachee Acres, Garden Grove, Nobleton and Floral City.

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 2843 8259 2860 8266 2880 8219 2855 8209
TIME...MOT...LOC 0940Z 249DEG 34KT 2856 8252 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

TBW
2 follow-up statements
535 
WWUS52 KTBW 140956
SVSTBW

Severe Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
456 AM EST Sat Dec 14 2019

FLC101-141006-
/O.CAN.KTBW.TO.W.0013.000000T0000Z-191214T1015Z/
Pasco FL-
456 AM EST Sat Dec 14 2019

...THE TORNADO WARNING FOR NORTHWESTERN PASCO COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 AM EST for
central and west central Florida.

LAT...LON 2856 8240 2865 8242 2880 8219 2856 8209
TIME...MOT...LOC 0956Z 249DEG 37KT 2862 8233 

$$

FLC017-053-119-141015-
/O.CON.KTBW.TO.W.0013.000000T0000Z-191214T1015Z/
Citrus FL-Sumter FL-Hernando FL-
456 AM EST Sat Dec 14 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM EST FOR
SOUTHEASTERN CITRUS...WEST CENTRAL SUMTER AND NORTHEASTERN HERNANDO
COUNTIES...
    
At 456 AM EST, a severe thunderstorm capable of producing a tornado
was located near North Brooksville, or near Brooksville, moving east
at 45 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...
  Bushnell around 515 AM EST.

Other locations impacted by this tornadic thunderstorm include
Nobleton, Lake Lindsey, Suburban Acres, Istachatta, Wahoo, Croom and
Floral City.

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 2856 8240 2865 8242 2880 8219 2856 8209
TIME...MOT...LOC 0956Z 249DEG 37KT 2862 8233 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

TBW
041 
WWUS52 KTBW 141011
SVSTBW

Severe Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
511 AM EST Sat Dec 14 2019

FLC017-053-119-141020-
/O.EXP.KTBW.TO.W.0013.000000T0000Z-191214T1015Z/
Citrus FL-Sumter FL-Hernando FL-
511 AM EST Sat Dec 14 2019

...THE TORNADO WARNING FOR SOUTHEASTERN CITRUS...WEST CENTRAL SUMTER
AND NORTHEASTERN HERNANDO COUNTIES WILL EXPIRE AT 515 AM EST...
                
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 are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1100 AM EST for
central and west central Florida.

LAT...LON 2856 8240 2865 8242 2880 8219 2856 8209
TIME...MOT...LOC 1010Z 249DEG 34KT 2867 8219 

$$

TBW

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 14, 2:33 AM ESTSpecial Marine WarningTBW57 min
Dec 14, 2:47 AM ESTSpecial Weather StatementTBWLevy28 min
Dec 14, 3:20 AM ESTSpecial Weather StatementTBWLevy25 min
Dec 14, 3:35 AM ESTSpecial Marine WarningTBW55 min
Dec 14, 4:35 AM ESTSpecial Marine WarningTBW55 min
Dec 14, 5:30 AM ESTSpecial Marine WarningTBW60 min
Dec 14, 6:18 AM ESTSpecial Marine WarningTBW87 min
Dec 14, 6:51 AM ESTSpecial Weather StatementTBWManatee, Sarasota39 min
Dec 14, 7:39 AM ESTSpecial Marine WarningTBW66 min

Nearby

Tornado Warnings in Florida, 2019Every tornado warning in 2019Tornadoes in 2019

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.