Alert archive / Florida / Tornado Warnings in 2018

Tornado Warning 7, NWS Tampa Bay, FL

October 10, 2018Manatee County, Sarasota County, Florida

NWS Tampa Bay, FL issued this tornado warning at Oct 10, 2018, 2:57 PM EDT for Manatee County, Sarasota County, Florida. It was in force for 18 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: Oct 10, 2018, 2:57 PM EDT (18:57 UTC)
Expired: Oct 10, 2018, 3:15 PM EDT
In force: 18 min
Issued by: NWS Tampa Bay, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Manatee County, FL, Sarasota County, FL

The radar

The Tampa radar (KTBW), 36 km from the middle of the area, began a volume at 18:59 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 12:00Z, 7.0 hours before the alert went out and 36 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1377 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 647 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

739 
WFUS52 KTBW 101857
TORTBW
FLC081-115-101915-
/O.NEW.KTBW.TO.W.0007.181010T1857Z-181010T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tampa Bay Area Ruskin FL
257 PM EDT WED OCT 10 2018

The National Weather Service in Ruskin has issued a

* Tornado Warning for...
  Central Manatee County in west central Florida...
  Northern Sarasota County in west central Florida...

* Until 315 PM EDT.
    
* At 256 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Sarasota Bradenton Airport, or near Sarasota,
  moving northeast 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...
  The Meadows around 300 PM EDT.
  Lakewood Ranch around 305 PM EDT.

Other locations impacted by this tornadic thunderstorm include Desoto
Lakes.

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 2733 8255 2737 8260 2750 8248 2743 8237
TIME...MOT...LOC 1856Z 220DEG 30KT 2738 8254 

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

$$

TBW

1 follow-up statement

895 
WWUS52 KTBW 101914
SVSTBW

Severe Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
314 PM EDT WED OCT 10 2018

FLC081-115-101924-
/O.EXP.KTBW.TO.W.0007.000000T0000Z-181010T1915Z/
Manatee FL-Sarasota FL-
314 PM EDT WED OCT 10 2018

...THE TORNADO WARNING FOR CENTRAL MANATEE AND NORTHERN SARASOTA
COUNTIES WILL EXPIRE AT 315 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.

LAT...LON 2733 8255 2737 8260 2750 8248 2743 8237
TIME...MOT...LOC 1914Z 220DEG 30KT 2748 8244 

$$

TBW

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 9, 10:41 PM EDT	Special Marine Warning	TBW		34 min
Oct 9, 11:10 PM EDT	Special Weather Statement	TBW	Pinellas	35 min
Oct 10, 10:41 AM EDT	Special Marine Warning	TBW		34 min
Oct 10, 10:47 AM EDT	Tornado Warning	TBW	Levy	28 min

Nearby

Tornado Warnings in Florida, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.