Alert archive / Florida / Tornado Warnings in 2014

Tornado Warning 9, NWS Tampa Bay, FL

June 30, 2014Manatee County, Florida

NWS Tampa Bay, FL issued this tornado warning at Jun 30, 2014, 7:06 PM EDT for Manatee County, Florida. It was in force for 9 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
Jun 30, 2014, 7:06 PM EDT (23:06 UTC)
Expired
Jun 30, 2014, 7:15 PM EDT
In force
9 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon

County Manatee County, FL

The radar

The Tampa radar (KTBW), 38 km from the middle of the area, began a volume at 23:08 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, 11.1 hours before the alert went out and 38 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 2014-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 318 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 12:00Z on 2014-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.1939Sfc1 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
318 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
1243 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

369 
WFUS52 KTBW 302306
TORTBW
FLC081-302315-
/O.NEW.KTBW.TO.W.0009.140630T2306Z-140630T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
706 PM EDT MON JUN 30 2014

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN MANATEE COUNTY IN WEST CENTRAL FLORIDA...

* UNTIL 715 PM EDT

* AT 706 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  TORNADO NEAR LONGBOAT KEY...OR NEAR BRADENTON...MOVING SOUTHWEST AT
  10 MPH.

* THE TORNADO WILL BE NEAR...
  LONGBOAT KEY BY 715 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER.

&&

LAT...LON 2750 8264 2749 8258 2741 8260 2743 8265
      2741 8264 2740 8262 2739 8263 2739 8265
      2743 8270 2744 8270
TIME...MOT...LOC 2306Z 030DEG 8KT 2747 8262

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 8:04 PM EDTSpecial Marine WarningTBW56 min
Jun 30, 12:20 AM EDTSpecial Marine WarningTBW40 min
Jun 30, 3:40 PM EDTSpecial Weather StatementTBWHardee35 min
Jun 30, 6:26 PM EDTSpecial Weather StatementTBWHillsborough34 min
Jun 30, 6:33 PM EDTSpecial Marine WarningTBW27 min
Jun 30, 6:52 PM EDTSpecial Weather StatementTBWPasco38 min
Jun 30, 6:59 PM EDTSpecial Weather StatementTBWManatee31 min

Nearby

Tornado Warnings in Florida, 2014Every tornado warning in 2014Tornadoes in 2014

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.