Impact
The precursor disturbance to Chantal began affecting Bermuda on July 30, producing scattered storms and increased cloud cover. The next day the system dropped more rainfall as it passed to the west of the island, and in the two-day period precipitation accumulated to 2.12 inches (53.8 mm) at the Bermuda International Airport, accounting for 35% of the monthly rainfall total. Thunderstorms were reported on the island, and maximum reported winds on the island reached 45 mph (72 km/h). After Chantal passed Bermuda, a ship with the call sign C60Y4 recorded sustained winds of 37 mph (59 km/h) over the open waters of the north Atlantic Ocean. At around 2300 UTC on July 31, a buoy to the southeast of Nova Scotia reported a pressure of 995 mbar as Chantal passed nearby.
Shortly after it first became a tropical storm, the Atlantic Storm Prediction Center of Canada issued gale warnings for the coastal waters off Newfoundland. Later, the Newfoundland Labrador Weather Office issued heavy rainfall warnings for southeastern Newfoundland. In offshore waters, wave heights reached 20 feet (6 m). Onshore, the storm produced moderately strong winds, with an unofficial peak gust of 54 mph (88 km/h) reported near where the storm moved ashore. The extratropical remnants of Chantal dropped heavy rainfall in a short duration across Newfoundland; 1.7 inches (43 mm) fell in 1 hour at St. John's West, the highest hourly rainfall total. Across the province, precipitation peaked at 7.89 inches (200.4 mm) at Argentia, at this amount Tropical Storm Chantal is the fourth Wettest tropical cyclone ever in Canada. The rainfall caused flooding and street washouts in several towns along the Avalon Peninsula, such as Ship Harbour, Fox Harbour, and Dunville. Several communities in the region declared states of emergencies.
In Ship Harbour citizens were isolated for 5 days until a temporary road was made. Also in Spaniard's Bay, the flooding caused a bridge to depress about 1.5 feet (50 cm); a temporary bridge was built within two months, with a permanent replacement scheduled to be finished by the summer of 2008. Insured damage across the area totaled $25 million (2007 CAD, $24.3 million 2007 USD).
Read more about this topic: Tropical Storm Chantal (2007)
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