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2001-Dean

Legend of sources

Tropical Storm Dean originated off the Lesser Antilles on August 22, 2001. Only developing into a tropical storm, Dean sustained winds as high as 111 km/h (60 knots) within the CHC Response Zone. Moving northeastward, Dean crossed the Grand Banks marine areas near Newfoundland and passed about 250 km southeast of Cape Race during the morning hours of August 28. Thereafter, Dean weakened as it moved out over the north Atlantic. Hurricane Dean left the CHC Response Zone, diminished on August 29, and did not result in any damage to Canada. This was the first of 4 tropical cyclones within a span of a month that brought over 100 mm of rain to portions of Newfoundland as it passed southeast of the province. The CHC issued 6 Hurricane Information Statements.

Rainfall image map of Tropical Storm Dean, which moved northeastward through the Canadian Hurricane Centre Response Zone, crossing the Grand Banks marine areas near Newfoundland on August 28, 2001. Dean moved out over the north Atlantic shortly after and diminished on August 29, 2001. Maximum provincial rainfalls: 107 millimetres in Newfoundland
Rainfall image map of Tropical Storm Dean, which moved northeastward through the Canadian Hurricane Centre Response Zone, crossing the Grand Banks marine areas near Newfoundland on August 28, 2001. Dean moved out over the north Atlantic shortly after and diminished on August 29, 2001. Maximum provincial rainfalls: 107 millimetres in Newfoundland

Tropical Storm Dean started tracking in the Canadian Hurricane Centre response zone southeast of Nova Scotia with 48 knot winds. It tracked northeast around Newfoundland with 34 knot winds and then tracked north-northeast out of the response zone. As it tracked through Atlantic Canada the storm reached a maximum wind speed of 50 knots, with an mslp of 995 millibar
Tropical Storm Dean started tracking in the Canadian Hurricane Centre response zone southeast of Nova Scotia with 48 knot winds. It tracked northeast around Newfoundland with 34 knot winds and then tracked north-northeast out of the response zone. As it tracked through Atlantic Canada the storm reached a maximum wind speed of 50 knots, with an mslp of 995 millibar

Some CHC meteorological data:

  • Rainfall amounts, from the evening of the 27 until midday on the 28, ranged from 10 to 20 mm over central Newfoundland to 107 mm at Bonavista.
  • Maximum wind gust recorded in Canadian waters 80 km/h (43 knots) at Buoy 44140 (which also recorded 5.7 m significant wave heights)
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