Alert archive / Florida / Tornado Warnings in 2018

Tornado Warning 8, NWS Tampa Bay, FL

November 2, 2018Pinellas County, Florida

NWS Tampa Bay, FL issued this tornado warning at Nov 2, 2018, 2:52 PM EDT for Pinellas County, Florida. It was in force for 23 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
Nov 2, 2018, 2:52 PM EDT (18:52 UTC)
Expired
Nov 2, 2018, 3:15 PM EDT
In force
23 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Pinellas County, FL

The radar

The Tampa radar (KTBW), 56 km from the middle of the area, began a volume at 18:51 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, 6.9 hours before the alert went out and 56 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 12:00Z on 2018-11-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 125 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2018-11-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 square meters per square second.19395878Sfc1 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
125 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
693 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted.

858 
WFUS52 KTBW 021852
TORTBW
FLC103-021915-
/O.NEW.KTBW.TO.W.0008.181102T1852Z-181102T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tampa Bay Area Ruskin FL
252 PM EDT FRI NOV 2 2018

The National Weather Service in Ruskin has issued a

* Tornado Warning for...
  Northwestern Pinellas County in west central Florida...

* Until 315 PM EDT.
    
* At 251 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Clearwater, 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...
  Palm Harbor around 300 PM EDT.
  East Lake around 310 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Crystal Beach, Belleair, Oldsmar, Honeymoon Island, Caladesi Island,
Safety Harbor, Belleair Beach and Belleair Shore.

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.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Ruskin.

&&

LAT...LON 2817 8285 2817 8265 2798 8265 2791 8289
TIME...MOT...LOC 1851Z 249DEG 41KT 2802 8281 

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

$$

TBW

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 2, 1:25 PM EDTSpecial Marine WarningTBW50 min
Nov 2, 2:02 PM EDTSpecial Marine WarningTBW43 min
Nov 2, 2:31 PM EDTSpecial Weather StatementTBWHillsborough, Pasco, Pinellas44 min
Nov 2, 2:33 PM EDTSpecial Marine WarningTBW57 min
Nov 2, 2:42 PM EDTSevere Thunderstorm WarningTBWHillsborough, Pasco, Pinellas33 min
Nov 2, 2:48 PM EDTSpecial Marine WarningTBW57 min
Nov 2, 3:05 PM EDTTornado WarningTBWPinellas25 min
Nov 2, 3:08 PM EDTTornado WarningTBWHillsborough, Pinellas37 min
Nov 2, 3:15 PM EDTSevere Thunderstorm WarningTBWHernando, Hillsborough, Pasco, Polk45 min
Nov 2, 3:16 PM EDTTornado WarningTBWPasco29 min
Nov 2, 3:21 PM EDTTornado WarningTBWHillsborough24 min
Nov 2, 3:23 PM EDTSpecial Marine WarningTBW67 min
Nov 2, 3:23 PM EDTTornado WarningTBWHillsborough14 min
Nov 2, 3:45 PM EDTTornado WarningTBWHernando, Pasco30 min
Nov 2, 3:47 PM EDTSevere Thunderstorm WarningTBWHernando, Hillsborough, Pasco, Polk, Sumter28 min
Nov 2, 3:52 PM EDTTornado WarningTBWManatee23 min
Nov 2, 3:55 PM EDTSevere Thunderstorm WarningTBWHardee, Hillsborough, Manatee, Polk35 min
Nov 2, 4:00 PM EDTTornado WarningTBWPolk30 min
Nov 2, 4:06 PM EDTTornado WarningTBWSumter24 min
Nov 2, 4:20 PM EDTSpecial Weather StatementTBWSumter25 min
Nov 2, 4:28 PM EDTSevere Thunderstorm WarningTBWPolk21 min
Nov 2, 4:53 PM EDTSpecial Weather StatementTBWHardee, Highlands52 min

Nearby

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