A shortwave trough moving over the eastern Gulf of Mexico developed a mesoscale convective complex that moved through South Florida.  Environmental parameters were favorable for the development of strong to severe storms, which produced hail and damaging winds across the east coast metro areas of South Florida.
A total of 63,147 customers lost power during this event. Following is the breakdown by county: Palm Beach 33,136, Broward 11,572, Miami-Dade 18,439.

Thunderstorm Wind in PALM BEACH, FLORIDA
From 11-APR-21 14:15:00 to 11-APR-21 14:15:00 (EST-5)
Location: (PBI)PALM BEACH ARPT
Magnitude: 61.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Utility Company

Videos sent by FPL contractors show damage to a building located off of Southern Blvd in Palm Beach County, just west of PBIA.  Damage consisted of roof and the side panels being blown away.  This damage is a result of downburst winds estimated to be around 70- 75 mph range (60 to 65 knots) and not tornadic.

Thunderstorm Wind in PALM BEACH, FLORIDA
From 11-APR-21 14:20:00 to 11-APR-21 14:20:00 (EST-5)
Location: WELLINGTON
Magnitude: 60.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

A member of the public reported roof damage with several tiles removed and strewn over the lawn in a neighborhood located off of Forest Hill Blvd, east of State Rd 7. Damage is thought to be from a downburst and wind speed is estimated based on the level of damage.

Thunderstorm Wind in PALM BEACH, FLORIDA
From 11-APR-21 14:04:00 to 11-APR-21 14:04:00 (EST-5)
Location: JUPITER
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Social Media

Multiple reports and pictures from social media in the Tequesta area include downed trees and power lines and damage to a railroad crossing gate.

Thunderstorm Wind in PALM BEACH, FLORIDA
From 11-APR-21 14:02:00 to 11-APR-21 14:02:00 (EST-5)
Location: LOXAHATCHEE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter called in and reported several downed tree branches just northeast of Lion Country Safari. Branches were estimated to be approximately 5 to 6 inches in girth.

Thunderstorm Wind in PALM BEACH, FLORIDA
From 11-APR-21 14:00:00 to 11-APR-21 14:00:00 (EST-5)
Location: JUPITER
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Social Media

Social media reported small hardwood tree downed in Jupiter Farms. Time estimated from radar.

Thunderstorm Wind in PALM BEACH, FLORIDA
From 11-APR-21 14:15:00 to 11-APR-21 14:15:00 (EST-5)
Location: NORTH PALM BEACH
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Social Media

Social media report of large hardwood tree branch downed and wooden fence knocked down off Burns Rd near Palm Beach Gardens Medical Center. Time estimated.

Thunderstorm Wind in PALM BEACH, FLORIDA
From 11-APR-21 14:22:00 to 11-APR-21 14:22:00 (EST-5)
Location: FLORIDA GARDENS
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Social Media

Large hardwood tree uprooted reported by social media. Large branches were also seen broken on hardwood trees along Florida's Turnpike west of Lake Worth. Time estimated from radar.

Thunderstorm Wind in PALM BEACH, FLORIDA
From 11-APR-21 14:28:00 to 11-APR-21 14:28:00 (EST-5)
Location: GREENACRES CITY
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

A member of the public reported a large tree down in Palm Springs near Military Trail between Forest Hill Blvd and Lake Worth Road.

Thunderstorm Wind in PALM BEACH, FLORIDA
From 11-APR-21 14:30:00 to 11-APR-21 14:30:00 (EST-5)
Location: LAKE CLARKE SHRS
Magnitude: 55.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter, along with members of the public reported downed trees on top of vehicles in North Palm Beach near Northlake Boulevard and US1.

Thunderstorm Wind in PALM BEACH, FLORIDA
From 11-APR-21 15:37:00 to 11-APR-21 15:37:00 (EST-5)
Location: BOCA RATON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Broadcast media reported a large downed tree split across the roadway from a severe thunderstorm near the intersection of N Dixie Highway and NE 20th street. Nearby wind report of 64 mph was received from a mesonet station just west of Dixie Highway.

Thunderstorm Wind in PALM BEACH, FLORIDA
From 11-APR-21 14:42:00 to 11-APR-21 14:42:00 (EST-5)
Location: GULF STREAM
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Members of the public reported several pictures via social media of large branches down near Gulf Stream School. Time estimated by radar.

Thunderstorm Wind in MIAMI-DADE, FLORIDA
From 11-APR-21 16:53:00 to 11-APR-21 16:53:00 (EST-5)
Location: CUTLER RIDGE
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Videos from broadcast media showed lanai destroyed and gutters removed surrounding lanai in a residential area in Cutler Bay near SW 222nd terrace.

Thunderstorm Wind in MIAMI-DADE, FLORIDA
From 11-APR-21 16:40:00 to 11-APR-21 16:40:00 (EST-5)
Location: PERRINE
Magnitude: 47.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Public reported downed power lines near SW 187th ST and SW 82nd Ave in Cutler Bay.

Thunderstorm Wind in BROWARD, FLORIDA
From 11-APR-21 14:48:00 to 11-APR-21 14:48:00 (EST-5)
Location: DEERFIELD BEACH
Magnitude: 56.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Report from MPING of 1-inch tree limbs broken and shingles blown off in Deerfield Beach near Military Trail and SW 10th Street.

Hail in PALM BEACH, FLORIDA
From 11-APR-21 14:30:00 to 11-APR-21 14:30:00 (EST-5)
Location: WELLINGTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Mix of small hail with a few dime sized pieces reported by the public near intersection of SR-7 and US 441. Pea-sized hail was also reported by a trained spotter near South Shore Blvd.

Hail in PALM BEACH, FLORIDA
From 11-APR-21 14:28:00 to 11-APR-21 14:28:00 (EST-5)
Location: OCEAN RIDGE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Social media reports of nickel-sized hail in Boynton Beach. Palm fronds were also seen down around the area.

Hail in MIAMI-DADE, FLORIDA
From 11-APR-21 16:25:00 to 11-APR-21 16:25:00 (EST-5)
Location: PALM SPGS NORTH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency manager called in and reported dime-sized hail associated with a strong thunderstorm over Miami Lakes near Oaks Park.

Hail in MIAMI-DADE, FLORIDA
From 11-APR-21 16:35:00 to 11-APR-21 16:35:00 (EST-5)
Location: PALM SPGS NORTH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public reported quarter-sized hail near the intersection of NW 164th St and NW 87th Ave near Miami Lakes. Time estimated based on time of report and radar.

Thunderstorm Wind in PALM BEACH, FLORIDA
From 11-APR-21 14:41:00 to 11-APR-21 14:41:00 (EST-5)
Location: BOCA RATON
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 64 mph/56 knots was recorded at WxFlow site XBOC at 3:41 PM EDT.