Alert archive / Florida / Tornado Watches in 2013

Tornado Watch 283

June 6, 201344 counties in Florida; 4 counties in Georgia

The Storm Prediction Center issued this tornado watch at Jun 6, 2013, 10:43 AM EDT for 44 counties in Florida; 4 counties in Georgia. It was in force for 11 hr.

The area

The outline as issued.

The facts

Issued
Jun 6, 2013, 10:43 AM EDT (14:43 UTC)
Expired
Jun 6, 2013, 9:52 PM EDT
In force
11 hr
Issued by
the Storm Prediction Center
Largest hail expected
0.5 in
Strongest gust expected
60 kt
All 48 counties

Alachua County, FL, Baker County, FL, Bradford County, FL, Brevard County, FL, Broward County, FL, Charlotte County, FL, Citrus County, FL, Clay County, FL, Collier County, FL, Columbia County, FL, DeSoto County, FL, Duval County, FL, Flagler County, FL, Gilchrist County, FL, Glades County, FL, Hardee County, FL, Hendry County, FL, Hernando County, FL, Highlands County, FL, Hillsborough County, FL, Indian River County, FL, Lake County, FL, Lee County, FL, Levy County, FL, Manatee County, FL, Marion County, FL, Martin County, FL, Miami-Dade County, FL, Nassau County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Palm Beach County, FL, Pasco County, FL, Pinellas County, FL, Polk County, FL, Putnam County, FL, Saint Johns County, FL, Saint Lucie County, FL, Sarasota County, FL, Seminole County, FL, Sumter County, FL, Union County, FL, Volusia County, FL, Brantley County, GA, Camden County, GA, Charlton County, GA, Glynn County, GA

The radar

The Tampa radar (KTBW), 72 km from the middle of the area, began a volume at 14:43 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
70%
One or more EF2 to EF5 tornadoes
10%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
5%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 6, 11:11 AM EDTTornado WarningTBWCharlotte, Lee, Sarasota49 min
Jun 6, 11:34 AM EDTTornado WarningTBWManatee, Sarasota26 min
Jun 6, 11:38 AM EDTTornado WarningTBWManatee, Sarasota37 min
Jun 6, 11:56 AM EDTTornado WarningTBWHillsborough, Pinellas34 min
Jun 6, 11:57 AM EDTTornado WarningTBWPasco33 min
Jun 6, 12:17 PM EDTTornado WarningTBWDeSoto, Hardee28 min
Jun 6, 12:18 PM EDTTornado WarningTBWCharlotte, DeSoto, Highlands27 min
Jun 6, 12:28 PM EDTTornado WarningMLBOrange, Seminole, Volusia47 min
Jun 6, 12:33 PM EDTTornado WarningTBWCharlotte, DeSoto27 min
Jun 6, 12:40 PM EDTFlash Flood WarningJAXClay6 hr
Jun 6, 12:40 PM EDTTornado WarningTBWDeSoto, Hardee, Manatee, Sarasota35 min
Jun 6, 12:42 PM EDTTornado WarningTBWHillsborough, Manatee, Sarasota48 min
Jun 6, 12:46 PM EDTTornado WarningMLBOkeechobee44 min
Jun 6, 12:48 PM EDTTornado WarningTBWDeSoto, Hardee, Highlands27 min
Jun 6, 1:14 PM EDTTornado WarningTBWHighlands, Polk31 min
Jun 6, 1:15 PM EDTTornado WarningMLBBrevard, Osceola30 min
Jun 6, 1:27 PM EDTTornado WarningMLBMartin, Saint Lucie48 min
Jun 6, 1:38 PM EDTTornado WarningTBWCharlotte, Lee22 min
Jun 6, 1:57 PM EDTTornado WarningTBWCharlotte, Lee18 min
Jun 6, 2:30 PM EDTTornado WarningMLBIndian River30 min
Jun 6, 2:32 PM EDTTornado WarningMLBSaint Lucie13 min
Jun 6, 4:43 PM EDTTornado WarningJAXDuval, Nassau32 min
Jun 6, 5:09 PM EDTTornado WarningJAXCamden51 min
Jun 6, 5:18 PM EDTTornado WarningJAXNassau12 min
Jun 6, 5:34 PM EDTTornado WarningJAXGlynn56 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 2.7 hours before the alert went out and 73 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 2013-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 398 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 2013-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 301 square meters per square second.193958Sfc1 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
398 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
558 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
301 m²/s²
0-3 km storm-relative helicity
512 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 8:48 PM EDTMesoscale DiscussionSPCCollier, Lee, Miami-Dade, Monroe, Sarasota2 hr
Jun 6, 3:17 AM EDTMesoscale DiscussionSPCBroward, Charlotte, Collier, DeSoto, Glades, Hardee and 13 more118 min
Jun 6, 3:42 AM EDTTornado WatchSPCBrevard, Broward, Charlotte, Citrus, Collier, DeSoto and 23 more7 hr
Jun 6, 6:52 AM EDTMesoscale DiscussionSPCBrevard, Broward, Collier, DeSoto, Glades, Hardee and 16 more83 min
Jun 6, 10:03 AM EDTMesoscale DiscussionSPCBrevard, Broward, Charlotte, Citrus, Collier, DeSoto and 21 more57 min
Jun 6, 1:25 PM EDTMesoscale DiscussionSPCAlachua, Baker, Bradford, Brevard, Broward, Charlotte and 37 more65 min
Jun 6, 4:50 PM EDTMesoscale DiscussionSPCAlachua, Baker, Bradford, Brevard, Broward, Charlotte and 37 more55 min
Jun 6, 6:35 PM EDTMesoscale DiscussionSPCEscambia, Okaloosa, Santa Rosa115 min
Jun 6, 7:32 PM EDTMesoscale DiscussionSPCAlachua, Baker, Bradford, Brevard, Broward, Charlotte and 33 more118 min
Jun 6, 5:54 PM EDTMesoscale DiscussionSPCBryan, Chatham, Effingham, Liberty, Long, McIntosh and 2 more96 min

Nearby

Tornado Watches in Florida, 2013Tornado Watches in Georgia, 2013Every tornado watch in 2013

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.