A low pressure system moving across the tropical Atlantic into the eastern Caribbean Sea formed into Tropical Storm Isaias on July 28th. While the system briefly became a hurricane near Great Inagua Island on July 30th, it was downgraded back to a Tropical Storm as it moved over Andros Island on August 1st with a minimum central pressure of 993 mb. Isaias gradually turned to the N-NW and the center passed about 30-40 miles east of the Palm Beach County coast during the morning of August 2nd with a minimum central pressure of 995 mb and maximum sustained winds of 65 to 70 mph. Lowest surface pressure measured over South Florida was 1003.1 mb at Lake Worth Pier on August 2nd.
Although the effects from Isaias were minor for South Florida, sustained Tropical Storm force winds were felt across portions of Palm Beach, Broward, and Miami-Dade Counties. Rainfall flooding impacts were minor across South Florida with 2 to 2.6 inches measured mainly across Miami-Dade and Broward counties. Almost 3,000 customers lost power during the event, almost all of them in Palm Beach County.
A peak storm surge of 1.11 feet was observed at Lake Worth Pier, 1.06 feet at Virginia Key, and 0.99 feet at Port Everglades. Along the Atlantic coast, minor to moderate beach erosion was observed in usually vulnerable locations, most notably at the beaches of Palm Beach and Broward counties. A total of 165 people voluntarily evacuated in Palm Beach County.

Tropical Depression in INLAND PALM BEACH COUNTY, FLORIDA
From 01-AUG-20 01:00:00 to 02-AUG-20 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

As Isaias moved offshore across the South Florida waters, outer rain bands produced  produced maximum sustained winds generally between 25-30 mph. A tropical storm-force wind gust of 39 mph / 34 knots was measured by the AWOS station KF45 North Palm Beach was recorded at 4:25 PM EDT on August 1st. Wind impacts were minor and confined to trees and other vegetation. Total number of customers without power is included in the event entries for Coastal and Metro Palm Beach County.

Tropical Depression in METRO PALM BEACH COUNTY, FLORIDA
From 01-AUG-20 01:00:00 to 02-AUG-20 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

As Isaias moved offshore across the South Florida waters, outer rain bands produced produced maximum sustained winds generally between 25-30 mph. Wind gusts to tropical storm force were measured as high as 39-53 mph. The highest measured tropical storm-force wind gust was 53 mph (46 kt) by ASOS station KPBI West Palm Beach recorded at 4:08 PM EDT on August 1st. A total of around 2,650 customers lost power in Palm Beach County, otherwise, wind impacts were minor.

Tropical Storm in COASTAL PALM BEACH COUNTY, FLORIDA
From 01-AUG-20 01:00:00 to 02-AUG-20 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

As Isaias moved offshore across the South Florida waters, outer rain bands produced produced maximum tropical storms sustained winds generally around 40 mph. The highest measured wind reading was at the NOAA/NDBC C-MAN station LKWF1 at Lake Worth Pier with a sustained wind of 42 mph (36 knots) and a peak gust of 53 mph (46 knots) at 4:12 AM EDT on August 2nd. Tropical storm force wind gusts were in the 45 to 50 mph range. A total of 2,650 customers without power across Palm Beach County.

Tropical Depression in METRO BROWARD COUNTY, FLORIDA
From 01-AUG-20 01:00:00 to 02-AUG-20 02:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

As Isaias moved offshore across the South Florida waters, outer rain bands produced produced maximum sustained winds generally between 25-30 mph. A tropical storm-force wind gust of 40 mph / 35 knots was recorded by the ASOS station KHWO, Pembroke Pines at 2:35 PM EDT on August 1st. Wind impacts were minor and confined to trees and other vegetation. A total of around 190 customers lost power in Broward County.

Tropical Depression in COASTAL BROWARD COUNTY, FLORIDA
From 01-AUG-20 01:00:00 to 02-AUG-20 02:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

As Isaias moved offshore across the South Florida waters, outer rain bands produced maximum sustained winds generally between 25-35 mph. An early rain band moved across the Broward Count coast during the afternoon of August 1st, with peak wind gusts of 58 mph/50 knots recorded at the WxFlow site at Dania Pier at 2:22 PM EDT, 45 mph/39 knots at the ASOS station KFLL, Fort Lauderdale/Hollywood International Airport at 2:26 PM EDT, as well as at the WxFlow site at Hillsboro Inlet at 3:05 PM EDT. A total of around 190 customers lost power in Broward County. Overall wind impacts were minor and confined to trees and other vegetation.

Tropical Depression in METROPOLITAN MIAMI-DADE, FLORIDA
From 01-AUG-20 01:00:00 to 02-AUG-20 01:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

As Isaias moved offshore across the South Florida waters, outer rain bands produced produced maximum sustained winds generally between 25-30 mph with peak gusts in the 35-45 mph range. A peak wind gust of 50 mph (43 kt) was measured by the WeatherSTEM station at UM Health Systems in Miami at 9:10 AM EDT on August 1st at a height of 187 feet. Wind impacts were minor and confined to trees and other vegetation.

Tropical Depression in INLAND MIAMI-DADE, FLORIDA
From 01-AUG-20 01:00:00 to 02-AUG-20 02:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

As Isaias moved offshore across the South Florida waters, outer rain bands produced produced maximum sustained winds generally between 20-35 mph. A tropical storm-force wind gust of 41 mph (36 kt) was measured by ASOS station KTMB Tamiami/West Kendall Airport at 2:24 PM EDT on August 1st. Wind impacts were minimal.

Tropical Depression in COASTAL MIAMI-DADE COUNTY, FLORIDA
From 01-AUG-20 01:00:00 to 02-AUG-20 01:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: WLON

As Isaias moved offshore across the South Florida waters, outer rain bands produced produced maximum sustained winds generally between 20-35 mph. A peak wind gust of 42 mph / 36 knots was measured at the NOAA/NOS/WLON station at Virginia Key at 9:06 AM on August 1st. Tropical storm-force wind gusts of 41 mph (36 kt) were measured at several locations along and near the coast, including the ASOS station KHST at Homestead Air Reserve Base at 2:22 PM EDT on August 1st. Wind impacts were minimal and confined to trees and other vegetation.