High pressure ridging across the area and increasing moisture allowed for scattered late afternoon seabreeze thunderstorms to develop. Some storms produced damaging winds and large hail.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS TBW wrote it up.
High pressure ridging across the area and increasing moisture allowed for scattered late afternoon seabreeze thunderstorms to develop. Some storms produced damaging winds and large hail.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tampa Bay, FL wrote its last area forecast discussion before the first event at Jun 6, 12:41 PM EST, 49 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 141 PM EDT MON JUN 6 2011 .SHORT TERM (TONIGHT THROUGH WEDNESDAY)...BROAD MID LEVEL RIDGING WILL REMAIN IN PLACE THROUGH THE MAJORITY OF THE SHORT TERM PERIOD. AT THE SURFACE...HIGH PRESSURE WILL REESTABLISH FROM THE NORTH TONIGHT FORCING A WEAK SURFACE LOW WESTWARD ACROSS THE NORTHERN GULF. LINGERING SHOWERS MAY BE POSSIBLE OVERNIGHT BEFORE THE LOW MOVES OUT...WILL CARRY 20 POPS OVER THE NORTHERN ZONES TONIGHT. GRADIENT FLOW WILL BEGIN TO STRENGTHEN BY TOMORROW WITH HIGH PRESSURE CENTERED NORTH OF THE AREA AND INVEST 94 IN THE CARIBBEAN. EXPECTING THE SEA BREEZE TO BE PINNED TO THE COAST TOMORROW. MAY SEE AN ISOLATED SHOWER OR THUNDERSTORM PUSH WESTWARD ACROSS THE STATE TOMORROW FROM ABOUT HILLSBOROUGH/POLK NORTHWARD. BY WEDNESDAY...STRONG EASTERLY FLOW WILL AGAIN KEEP THE WEST COAST SEA BREEZE ON THE COAST...IF IT CAN EVEN DEVELOP. SLIGHTLY DRIER AIR IS FORECAST TO COME ACROSS THE STATE FROM THE EAST. THEREFORE..WILL ONLY CARRY A SLIGHT CHANCE OF SHOWERS OR THUNDERSTORMS ALONG COASTAL AREAS WHICH MAY BE AFFECTED BY THE SEA BREEZE. TEMPS WILL CONTINUE TO RUN IN THE LOW TO MID 90S THROUGH THE PERIOD. .PREVIOUS LONG TERM (WEDNESDAY NIGHT THROUGH MONDAY)...OVERALL FORECAST FOR THE LONG TERM REMAINS ON TRACK WITH THE MID/UPPER LEVEL RIDGING WEAKENING LATE IN THE WEEK INTO THE WEEKEND AS A LOW SETS UP OVER THE GULF OF MEXICO. MEANWHILE AT THE SURFACE THE RIDGE AXIS WILL REMAIN NORTH OF THE REGION WITH AN INVERTED TROUGH/WEAK AREA OF LOW PRESSURE EXPECTED TO DRIFT NORTHWESTWARD FROM THE CARIBBEAN INTO THE SOUTHEAST GULF. THIS SHOULD ALL LEAD TO AN INCREASE IN MOISTURE LATE IN THE WEEK INTO THE WEEKEND WITH BETTER CHANCES OF AFTERNOON AND EVENING THUNDERSTORMS. FOR NOW HAVE LEFT THE SLIGHT CHANCE POPS FOR THURSDAY AND GONE WITH CHANCE POPS FOR THE CENTRAL AND SOUTH ON FRIDAY AND SATURDAY AND CHANCE POPS EVERYWHERE ON SUNDAY. TEMPERATURES WILL REMAIN NEAR NORMAL THROUGH THE PERIOD WITH DAYTIME HIGHS IN THE UPPER 80S TO LOWER 90S...EXCEPT A FEW DEGREES COOLER NEAR THE COAST THANKS TO THE SEA BREEZE...AND OVERNIGHT LOWS IN THE UPPER 60S TO MID 70S. && .AVIATION...VFR CONDITIONS CONTINUE WITH AFTERNOON INTO EVENING MAINLY SCT 4-6K FT CU FIELD AND CIRRUS SHIELD WITH A SEABREEZE NEAR THE COAST. WINDS BECOMING LIGHT WITH CIRRUS OVERHEAD TONIGHT. && .MARINE...MAY SEE SOME SHOWERS OR THUNDERSTORMS LINGER OVER THE NORTHERN COASTAL WATERS TONIGHT BUT SHOULD CLEAR OUT DURING THE EARLY MORNING HOURS. STRONGER EASTERLY FLOW WILL DEVELOP BY TOMORROW WHICH WILL HELP KEEP THE SEA BREEZE ALONG THE COAST. IN ADDITION...NOCTURNAL EASTERLY SURGES IN THE 15-20 KT RANGE WILL BE POSSIBLE LATE TUESDAY NIGHT AND EARLY WEDNESDAY MORNING. MAY SEE ISOLATED SHOWERS OR THUNDERSTORMS IN THE NEAR OR OFF SHORE WATERS DURING THE LATE EVENING TO LATE NIGHT HOURS TUES AND WED NIGHTS. && .FIRE WEATHER...RELATIVE HUMIDITIES HAVE DROPPED TO AROUND 25 PERCENT IN LEE COUNTY. HOWEVER...RH SHOULD RECOVER LATER THIS AFTERNOON WHEN THE SEA BREEZE PUSHES INLAND. ANY SURGE FROM THE AFTERNOON SEA BREEZE WILL BE BELOW 15 MPH. SHOWERS AND THUNDERSTORMS WILL STILL BE POSSIBLE TONIGHT ACROSS AREAS NORTH OF TAMPA BAY. EASTERLY WINDS WILL BEGIN TO INCREASE BY TOMORROW BUT NOT EXPECTING RH TO DROP BELOW 35 PERCENT FOR INSTANTANEOUS RED FLAG CONDITIONS. && .PRELIMINARY POINT TEMPS/POPS... TPA 74 91 73 91 / 10 20 10 20 FMY 73 93 72 93 / 10 10 10 20 GIF 71 94 71 93 / 10 20 10 10 SRQ 74 90 72 91 / 10 10 10 20 BKV 68 93 67 92 / 10 20 10 20 SPG 76 90 76 89 / 10 20 10 20 && .TBW WATCHES/WARNINGS/ADVISORIES... FL...NONE. GULF WATERS...NONE. && SHORT TERM/MARINE/FIRE WEATHER...20/BARRON AVIATION...25/DAVIS PREVIOUS LONG TERM...69/CLOSE
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 445 AM EDT MON JUN 6 2011 FLZ039-042-043-048>052-055>057-060>062-065-062045- LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE- 445 AM EDT MON JUN 6 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...THUNDERSTORM IMPACT... ISOLATED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON FROM PINELLAS...HILLSBOROUGH...AND POLK COUNTIES NORTHWARD WITH SCATTERED THUNDERSTORMS FOR PARTS OF LEVY...CITRUS...AND SUMTER COUNTIES. HEAVY RAIN...CLOUD TO GROUND LIGHTNING...GUSTY WINDS AND SMALL HAIL WILL BE POSSIBLE WITH THE STRONGEST STORMS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. ...THUNDERSTORM IMPACT... ISOLATED THUNDERSTORMS ARE EXPECTED TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON...THEN BECOME ISOLATED TO SCATTERED FRIDAY THROUGH SUNDAY. HEAVY RAIN...CLOUD TO GROUND LIGHTNING...GUSTY WINDS AND SMALL HAIL WILL BE POSSIBLE WITH THE STRONGEST STORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. 09/RKR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
213 PM EDT MON JUN 06 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0205 PM WILDFIRE 6 ENE LEBANON 29.20N 82.55W
06/06/2011 LEVY FL EMERGENCY MNGR
650 ACRES...25 PERCENT CONTAINED. VOLUNTARY EVACUATIONS.
SHELTER OPEN AT 1ST BAPTIST CHURCH IN BRONSON.
&&
JILLSONThe Jacksonville radar (KJAX), 149 km away, was scanning. The volume nearest the first event began at 18:30 UTC.
4 thunderstorm wind, 1 hail. Local standard time, as filed.
Eight to ten trees, mostly Oak trees, were damaged or blown down near Bronson. A metal pole barn was also destroyed and siding was blown off of another barn.
A trained spotter reported several trees and power poles snapped along County Road 470 between County Roads 529 and 529A. There was also damage to the soffit and porch of a mobile home in this area, and part of the fence was blown down.
The Sumter Electric Cooperative reported numerous trees down across the city of Sumterville.
There were numerous trees down on and around Interstate 75 near the northern Pasco County line. This area included trees downed on James Road near Jessamine Road and Blanton Road, on Interstate 75, on Johnson Road, and along Lake Iola Road.
Quarter sized hail was reported at the University of South Florida.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2011Every state in 2011This day in weather historyWarnings in Florida, June 2011
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 314548, 314519, 314524, 314533, 314535.