A rare Florida derecho affected the region during the late afternoon and early evening, well ahead of a strong cold front. The rapidly moving squall line, contained multiple bow echoes as it moved across the central portion of Florida at 60 mph. Widespread wind damage resulted. Multiple observations of 65 to 74 mph winds were reported. The majority of damage was caused by falling trees, with many landing on homes, powerlines and vehicles. Eighteen homes in Seminole County neighborhood experienced structural damage, with isolated structural damage reported in Osceola and Brevard Counties. Hen egg sized hail (2 inch diameter) fell in Palm Bay, with multiple reports of penny to quarter sized hail across the region.

Hail in BREVARD, FLORIDA
From 30-MAR-11 15:10:00 to 30-MAR-11 15:10:00 (EST-5)
Location: JUNE PARK
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A weather spotter reported nickel sized hail pounding his house.

Hail in BREVARD, FLORIDA
From 30-MAR-11 15:15:00 to 30-MAR-11 15:15:00 (EST-5)
Location: JUNE PARK
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A weather spotter reported large hail up to 2 inches.

Thunderstorm Wind in LAKE, FLORIDA
From 30-MAR-11 15:15:00 to 30-MAR-11 15:15:00 (EST-5)
Location: MASCOTTE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Severe thunderstorm winds downed multiple large tree limbs.

Thunderstorm Wind in BREVARD, FLORIDA
From 30-MAR-11 15:18:00 to 30-MAR-11 15:18:00 (EST-5)
Location: MELBOURNE BEACH
Magnitude: 55.00 EG
Property damage: 300.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A home in Melbourne Beach experienced major roof damage due to severe thunderstorm winds.

Thunderstorm Wind in VOLUSIA, FLORIDA
From 30-MAR-11 15:35:00 to 30-MAR-11 15:35:00 (EST-5)
Location: DE BARY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Two trees were downed from severe thunderstorm winds.

Thunderstorm Wind in ORANGE, FLORIDA
From 30-MAR-11 15:23:00 to 30-MAR-11 15:23:00 (EST-5)
Location: PLYMOUTH
Magnitude: 50.00 EG
Reported by: Public

Several trees and powerlines downed. A greenhouse was damaged due to wind.

Thunderstorm Wind in ORANGE, FLORIDA
From 30-MAR-11 15:39:00 to 30-MAR-11 15:39:00 (EST-5)
Location: SOUTH APOPKA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A weather spotter estimated winds over 60 mph downed large trees limbs and powerlines.

Thunderstorm Wind in LAKE, FLORIDA
From 30-MAR-11 15:40:00 to 30-MAR-11 15:40:00 (EST-5)
Location: TAVARES
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple trees down on Acorn Court.

Thunderstorm Wind in ORANGE, FLORIDA
From 30-MAR-11 15:44:00 to 30-MAR-11 15:44:00 (EST-5)
Location: (ORL)ORLANDO EXEC AR
Magnitude: 65.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Orlando Executive Airport (KORL) wind observation.

Thunderstorm Wind in SEMINOLE, FLORIDA
From 30-MAR-11 15:45:00 to 30-MAR-11 15:45:00 (EST-5)
Location: FOREST CITY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A weather spotter reported trees down at North Street and Suniland Street in Altamonte Springs, blocking the roadway.

Thunderstorm Wind in SEMINOLE, FLORIDA
From 30-MAR-11 15:45:00 to 30-MAR-11 15:45:00 (EST-5)
Location: WINTER SPGS
Magnitude: 65.00 EG
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Twelve homes damaged from severe thunderstorm winds. Three homes sustained severe damage, with the remainder experiencing moderate damage.

Thunderstorm Wind in BREVARD, FLORIDA
From 30-MAR-11 16:59:00 to 30-MAR-11 16:59:00 (EST-5)
Location: MELBOURNE VLG
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Wind gusts were measured up to 59 mph at Melbourne International Airport (KMLB).

Thunderstorm Wind in SEMINOLE, FLORIDA
From 30-MAR-11 15:48:00 to 30-MAR-11 15:48:00 (EST-5)
Location: (SFB)SANFORD ARPT
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Winds gusts measured at Sanford-Orlando Airport (KSFB).

Thunderstorm Wind in ORANGE, FLORIDA
From 30-MAR-11 15:48:00 to 30-MAR-11 15:48:00 (EST-5)
Location: (MCO)ORLANDO INTL AR
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Wind gusts measured up to 60 mph at Orlando International Airport (KMCO).

Thunderstorm Wind in OSCEOLA, FLORIDA
From 30-MAR-11 15:50:00 to 30-MAR-11 15:50:00 (EST-5)
Location: KISSIMMEE ARPT
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Wind gusts measured up to 59 mph at Kissimmee Airport (KISM).

Hail in ORANGE, FLORIDA
From 30-MAR-11 16:00:00 to 30-MAR-11 16:00:00 (EST-5)
Location: LAKE PICKETT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny size hail on Chuluota Road in Bithlo.

Thunderstorm Wind in BREVARD, FLORIDA
From 30-MAR-11 16:07:00 to 30-MAR-11 16:07:00 (EST-5)
Location: MIMS
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Dozens of large trees blown down toward the east, several onto homes. Minor structural damage to several homes and out buildings.

Thunderstorm Wind in SEMINOLE, FLORIDA
From 30-MAR-11 16:10:00 to 30-MAR-11 16:10:00 (EST-5)
Location: CHULUOTA
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Water Management District Officials observed numerous cypress trees toppled by very intense straight line winds associated with squall line passage. The downed trees were discovered in a rural conservation region, just west of the St. Johns River Basin.

Thunderstorm Wind in BREVARD, FLORIDA
From 30-MAR-11 16:05:00 to 30-MAR-11 16:05:00 (EST-5)
Location: SCOTTSMOOR
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Many thigh-sized tree limbs downed.

Thunderstorm Wind in VOLUSIA, FLORIDA
From 30-MAR-11 16:09:00 to 30-MAR-11 16:09:00 (EST-5)
Location: HUCOMER
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous large oak trees down over a quarter mile radius.

Hail in ORANGE, FLORIDA
From 30-MAR-11 15:45:00 to 30-MAR-11 15:45:00 (EST-5)
Location: UNION PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A weather spotter observed nickel to quarter sized hail at the Waterford Lakes Shopping Center.

Thunderstorm Wind in SEMINOLE, FLORIDA
From 30-MAR-11 15:45:00 to 30-MAR-11 15:45:00 (EST-5)
Location: LAKE MARY
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Trees downed onto five cars in the WOFL TV parking lot.

Thunderstorm Wind in VOLUSIA, FLORIDA
From 30-MAR-11 15:47:00 to 30-MAR-11 15:47:00 (EST-5)
Location: DE BARY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several trees downed by severe thunderstorms winds on Seminole Drive and Smyrna Drive in Debary.

Thunderstorm Wind in OSCEOLA, FLORIDA
From 30-MAR-11 16:12:00 to 30-MAR-11 16:12:00 (EST-5)
Location: ST CLOUD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Porch roof removed and walls blow in on Vermont Avenue in St. Cloud. Several trees downed within a mile of this location.

Hail in BREVARD, FLORIDA
From 30-MAR-11 16:15:00 to 30-MAR-11 16:15:00 (EST-5)
Location: TITUSVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail observed by weather spotter.

Thunderstorm Wind in BREVARD, FLORIDA
From 30-MAR-11 16:19:00 to 30-MAR-11 16:19:00 (EST-5)
Location: SHILOH
Magnitude: 74.00 MG
Crop damage: 0.00K
Reported by: Other Federal Agency

USAF wind tower 0421 measured a peak wind gust of 74 knots at the 54 foot elevation.

Thunderstorm Wind in BREVARD, FLORIDA
From 30-MAR-11 16:21:00 to 30-MAR-11 16:21:00 (EST-5)
Location: TITUSVILLE
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The ASOS at the NASA Shuttle Landing Facility recorded peak winds of 56 knots.

Thunderstorm Wind in BREVARD, FLORIDA
From 30-MAR-11 16:46:00 to 30-MAR-11 16:46:00 (EST-5)
Location: (COF)PATRICK AFB
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Wind gusts were measured up to 62 mph at Patrick Air Force Base (KCOF).

Thunderstorm Wind in BREVARD, FLORIDA
From 30-MAR-11 16:50:00 to 30-MAR-11 16:50:00 (EST-5)
Location: MERRITT IS
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Public

Wind damaged occurred as a patio was ripped off from a home near the intersection of Banana River Drive and Central Avenue. Damage also occurred to wooden fences and several tree limbs were downed nearby.

Thunderstorm Wind in VOLUSIA, FLORIDA
From 30-MAR-11 15:52:00 to 30-MAR-11 15:52:00 (EST-5)
Location: DELTONA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Two trees uprooted from high winds.

Thunderstorm Wind in ORANGE, FLORIDA
From 30-MAR-11 15:55:00 to 30-MAR-11 15:55:00 (EST-5)
Location: SOUTHWOOD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A carport collapsed and roof damage occurred on Kingfish Street in Orlando.

Thunderstorm Wind in ORANGE, FLORIDA
From 30-MAR-11 15:55:00 to 30-MAR-11 15:55:00 (EST-5)
Location: SOUTHWOOD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A carport collapsed and roof damage occurred on Kingfish Street in Orlando.

Thunderstorm Wind in LAKE, FLORIDA
From 30-MAR-11 15:23:00 to 30-MAR-11 15:23:00 (EST-5)
Location: LEESBURG MUNI ARPT
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Leesburg Airport observation indicated wind gusts to 62 mph as a line of severe storms crossed the region.

Thunderstorm Wind in LAKE, FLORIDA
From 30-MAR-11 15:20:00 to 30-MAR-11 15:20:00 (EST-5)
Location: GRAND IS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A weather spotter reported a very large oak tree uprooted and multiple large tree branches downed.