A warm front over central Florida lifted north on the afternoon of the 14th, with an area of showers and thunderstorm developing over the coastal waters and moving into the Florida Peninsula. One of these storms produced damaging wind gusts.
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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.
A warm front over central Florida lifted north on the afternoon of the 14th, with an area of showers and thunderstorm developing over the coastal waters and moving into the Florida Peninsula. One of these storms produced damaging wind gusts.
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 Apr 14, 2:39 PM EST, 1 hour 36 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 339 PM EDT SUN APR 14 2013 ...TORNADO WATCH REMAINS IN EFFECT FOR HILLSBOROUGH AND POLK COUNTIES NORTHWARD THROUGH 10 PM TONIGHT... .SHORT TERM (TONIGHT-TUESDAY)... SURFACE LOW NEAR THE VERY FAR WESTERN FLORIDA PANHANDLE AND NORTHERN GULF OF MEXICO CONTINUES TO SPAWN THUNDERSTORMS OVER THE ENTIRE NORTHEASTERN GULF COAST REGION. A WARM FRONT IS ALSO ANALYZED ACROSS NORTHERN FLORIDA...WITH DEW POINTS IN THE MID TO UPPER 50S NORTH OF THE BOUNDARY AND UPPER 60S TO LOWER 70S TO THE SOUTH OF IT. AS THE LOW TRACKS NORTHEASTWARD...CHANCES FOR SHOWERS AND THUNDERSTORMS INCREASE...ESPECIALLY FOR AREAS FROM AROUND TAMPA BAY NORTHWARD WHERE THE BEST FORCING AND DYNAMICS RESIDE...INCLUDING THE PRESENCE OF AN UPPER LEVEL JET IN EXCESS OF 100 KTS. THE MAIN THREATS WITH STORMS THIS AFTERNOON APPEAR TO BE DAMAGING WIND GUSTS...LARGE HAIL...AND ISOLATED TORNADOES...THUS THE TORNADO WATCH IN EFFECT THROUGH 10 PM TONIGHT. THE SOUTHERN HALF OF THE FORECAST AREA RESIDES IN A VERY WARM AND MOIST AIR MASS AND WITH COASTAL OBSERVATIONS SHOWING WINDS STARTING TO TURN MORE ONSHORE...WE SHOULD SEE MORE LOW-LEVEL CONVERGENCE AND SEA BREEZE-RELATED STORMS POP UP...ESPECIALLY ACROSS INTERIOR PORTIONS OF THE STATE. RAIN CHANCES REMAIN ELEVATED THROUGH TONIGHT AND THEN WILL DIMINISH. FOR MONDAY AND TUESDAY AFTERNOONS...EXPECT TO SEE THE BEST RAINFALL COVERAGE AWAY FROM THE COAST AGAIN AS THE EAST AND WEST COAST SEA BREEZES COLLIDE...THOUGH WILL HAVE HIGHER RAIN CHANCES ON MONDAY. TEMPERATURES WILL CONTINUE TO RUN ABOVE NORMALS THROUGH THE SHORT TERM PERIOD. .LONG TERM (TUESDAY NIGHT - SATURDAY)... THE LONG TERM PERIOD BEGINS WITH A DEVELOPING TROUGH WEST OF THE ROCKIES AND A BUILDING RIDGE OVER THE EASTERN HALF OF THE COUNTRY. THE SURFACE RIDGE TUESDAY NIGHT WILL BE SET UP OVER THE WESTERN ATLANTIC AND INTO THE SOUTHEASTERN STATES. WITH THE RIDGE AXIS NORTH OF FLORIDA...WINDS WILL BE GENERALLY EASTERLY TO SOUTHEASTERLY WITH A LIMITED WEST COAST SEA BREEZE NOT MAKING IT FAR FROM THE COAST EACH AFTERNOON. DECENT MOISTURE AND SURFACE HEATING SHOULD ALLOW FOR A FEW SHOWERS AND THUNDERSTORMS EACH AFTERNOON FAVORING THE WESTERN HALF OF THE PENINSULA...THOUGH THE HIGH PRESSURE WILL SUPPRESS MUCH OF THE CONVECTION. THE WESTERN TROUGH WILL DIG DEEPER SOUTH THROUGH THE MIDDLE OF THE WEEK AND GENERATE A STRONG LEE CYCLONE OVER OKLAHOMA AND KANSAS BY WEDNESDAY NIGHT. THIS SYSTEM WILL MOVE RAPIDLY NORTHEAST AND TRAIL A COLD FRONT INTO THE SOUTHERN MISSISSIPPI RIVER VALLEY AND WESTERN GULF OF MEXICO THURSDAY NIGHT AND FRIDAY. THE SURFACE RIDGE WILL WEAKEN AND RETREAT EAST DURING THE END OF THE WEEK...WITH SURFACE WINDS OVER FLORIDA TURNING TO THE SOUTHEAST AND MOISTURE INCREASING A BIT AHEAD OF THE FRONT. LONG RANGE MODELS ARE IN FAIR AGREEMENT WITH THE FRONT REACHING THE BIG BEND OF FLORIDA AROUND 00Z SATURDAY AND PUSHING INTO THE NORTHERN FLORIDA PENINSULA THROUGH THE DAY ON SATURDAY...THOUGH THE GFS SHOWS THE FRONT LOSING MOMENTUM AS IT SINKS THROUGH THE FLORIDA PENINSULA MUCH FASTER THAN THE ECMWF. AT ANY RATE...SHOWERS AND THUNDERSTORMS APPEAR TO BE ON THE WAY OVER THE NORTHERN ZONES FRIDAY NIGHT...AND INTO THE TAMPA BAY AREA SATURDAY AND SUNDAY. TEMPERATURES WILL BE A FEW DEGREES ABOVE NORMAL THROUGH FRIDAY...THEN NEAR TO SLIGHTLY BELOW NORMAL FOR THE WEEKEND. && .AVIATION... SHRA/TSRA DEVELOPMENT IS EXPECTED TO BE INLAND OF ALL TAF SITES WITH THE EXCEPTION OF KLAL WHERE VCTS AND TEMPORARY MVFR CIGS/VSBYS WILL BE MENTIONED. SHRA/TSRA SHOULD END BY 23Z...WITH VFR CONDITIONS TO FOLLOW FOR MUCH OF THE NIGHT. HAVE ALSO INCLUDED SOME VCSH AS THE COLD FRONT PUSHES THROUGH THE TERMINALS FROM NORTHWEST TO SOUTHEAST BETWEEN MIDNIGHT AND DAYBREAK MONDAY. MODELS CONTINUE TO HINT AT MVFR/IFR CIGS LATE TONIGHT INTO MONDAY MORNING...SO WILL MENTION MVFR CIGS FOR NOW AND LET FUTURE TAF PACKAGES REFINE THE DETAILS. && .MARINE... NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED FOR THE NORTHERN GULF WATERS THROUGH TONIGHT WITH HEAVY RAINFALL AND STRONG GUSTY WINDS POSSIBLE. OTHERWISE...NO MARINE-RELATED HAZARDS ARE EXPECTED THROUGH THE NEXT SEVERAL DAYS WITH WINDS UP TO 15 KNOTS OR LESS AND SEAS GENERALLY 3 FEET OR LESS. && .FIRE WEATHER... NO CONCERNS. && .PRELIMINARY POINT TEMPS/POPS... TPA 72 86 71 88 / 30 20 10 20 FMY 72 88 71 89 / 20 20 10 20 GIF 70 89 69 90 / 30 30 10 20 SRQ 70 83 70 88 / 30 20 10 20 BKV 66 87 66 88 / 40 20 10 20 SPG 73 82 73 85 / 30 20 10 20 && .TBW WATCHES/WARNINGS/ADVISORIES... FL...NONE. GULF WATERS...NONE. && SHORT TERM/MARINE/FIRE WEATHER...05/CARLISLE AVIATION...21/JELSEMA LONG TERM...18/FLEMING
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 525 AM EDT SUN APR 14 2013 FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-870- 873-876-142130- LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DESOTO-CHARLOTTE-LEE- TAMPA BAY WATERS-TARPON SPRINGS TO SUWANNEE RIVER OUT 20 NM- ENGLEWOOD TO TARPON SPRINGS OUT 20 NM- BONITA BEACH TO ENGLEWOOD OUT 20 NM- TARPON SPRINGS TO SUWANNEE RIVER OUT 20 TO 60 NM- ENGLEWOOD TO TARPON SPRINGS OUT 20 TO 60 NM- BONITA BEACH TO ENGLEWOOD OUT 20 TO 60 NM- 525 AM EDT SUN APR 14 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...THUNDERSTORM IMPACT... A WARM FRONT WILL LIFT NORTH TODAY WITH NUMEROUS SHOWERS AND THUNDERSTORMS ACROSS THE AREA THIS AFTERNOON. THE GREATEST COVERAGE WILL BE NORTH OF TAMPA BAY ACROSS THE NATURE COAST. SOME OF THESE STORMS MAY BECOME SEVERE WITH THE GREATEST HAZARD BEING STRONG THUNDERSTORM WIND GUSTS. ...DENSE FOG/SMOKE IMPACT... HIGH DEW POINTS AND LIGHT WINDS WILL PRODUCE AREAS OF FOG TONIGHT. VISIBILITY IN DENSE PATCHES COULD FALL BELOW 1 MILE. CONDITIONS WILL IMPROVE SHORTLY AFTER SUNRISE MONDAY MORNING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. FLEMING
The Tampa radar (KTBW), 64 km away, was scanning. The volume nearest the first event began at 21:17 UTC.
2 thunderstorm wind. Local standard time, as filed.
Pasco county emergency management reported wind gusts estimated at 40 to 50 MPH uprooted several trees and power lines near the intersection of 16th Street and North Avenue in Zephyrhills.
Levy County Emergency Management reported a few trees and power lines down near Chiefland and Gulf Hammock.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2013Every state in 2013This day in weather historyWarnings in Florida, April 2013
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: 439430, 439434.