Effects of Hurricane Floyd in New England

The effects of Hurricane Floyd in New England stretched across the region from Connecticut to Maine and included two casualties. Floyd, once a large and powerful hurricane, made landfall in North Carolina and weakened as it tracked northward along the U.S. East Coast. By September 17, 1999, the storm, downgraded in strength to a tropical storm, was situated over New England. It produced heavy rainfall and gusty winds throughout the entire region, leading to widespread downing of trees and extensive power outages before it moved away later that day. In Danbury, Connecticut, Floyd triggered severe flooding, considered the worst in 40 years, that damaged hundreds of homes. Precipitation in some areas amounted to 10 in (250 mm), with wind gusts approaching hurricane force in Massachusetts.

Hurricane Floyd
Tropical Storm (SSHWS/NWS)
Tropical Storm Floyd near landfall in southern New York
Winds1-minute sustained: 60 mph (95 km/h)
Gusts: 80 mph (130 km/h)
Pressure983 mbar (hPa); 29.03 inHg
Fatalities2
Damage$1.3 million (1999 USD)
Areas affectedNew England
Part of the 1999 Atlantic hurricane season

Background
Map plotting the track and the intensity of the storm, according to the Saffir–Simpson scale

Floyd's origins are traced back to a westward-moving tropical wave that developed into a tropical depression on September 7, 1999, while centered 1,000 mi (1,600 km) east of the Lesser Antilles. The system moved west-northwestward, and intensified into a tropical storm on September 8. Continuing to intensify, Floyd attained hurricane strength on September 10. The hurricane ultimately peaked as a Category 4 hurricane on the Saffir–Simpson Hurricane Scale as it struck the Bahamas. The storm turned northwestward and soon northward, brushing the coast of Florida and the southeast United States. On September 16, Floyd made landfall as a Category 2 hurricane in North Carolina, and moved northeastward along the Eastern Seaboard. It passed through the Mid-Atlantic States as it deteriorated into a tropical storm, and lost its tropical identity over southern Maine.[1]

Preparations

On September 15, an existing tropical storm watch was extended northward to the Merrimack River in Massachusetts. The next day, a tropical storm warning was extended northward to Plymouth, Massachusetts, but was soon replaced by a hurricane warning. The watch stretching to the Merrimack River was then replaced by a warning. By 0900 UTC on September 17, all tropical cyclone advisories were lifted.[1] In Connecticut, utility companies readied supplies and emergency crews in advance of the hurricane.[2] In Massachusetts and Rhode Island, with the anticipation of heavy rains, the United States Geological Survey (USGS) prepared to send eight teams into the field to take measurements along 30 rivers.[3] Rhode Island Governor Lincoln Almond advised residents to prepare for the storm's onslaught.[4] The storm disrupted many residents' travel plans in the state,[5] while people evacuated from certain coastal communities.[6] The threat of Hurricane Floyd forced schools, malls, and the University of Massachusetts Amherst to close.[7]

Impact

Southern New England

In Connecticut, the storm caused one casualty: a man drowned after boating in the swollen Quinnipiac River.[8] The storm caused extensive flooding and serious damage. Wind gusts exceeding 50 mph (80 km/h), combined with the saturated ground, brought down many trees and triggered severe power outages in the area.[8] As Floyd tracked up the Connecticut River Valley towards Massachusetts, it dropped heavy precipitation. The heaviest rainfall occurred in a southwest–northeast orientated swath from northern New Jersey to southwestern Connecticut, including southeastern New York. At the Danbury Airport, 11.13 in (283 mm) of rain was reported. Rainfall rates of 1 to 2 in (25 to 51 mm) per hour occurred at Bethel and Danbury. Numerous rivers overflowed; for example, the Still River and its tributaries triggered severe flooding.[8] The worst of the flooding—considered the worst in 40 years—took place at Danbury.[9] Hundreds of homes, two car dealerships, several roads, and other structures were damaged there.[8] At Greentree Motors, all 200 vehicles were declared a total loss.[9] Parts of the city were submerged with 4 ft (1.2 m) of water.[10] However, throughout the state, roads were closed and basements were inundated. The flooding inflicted at least $1.3 million in monetary damage within Fairfield County.[8] Portions of the state were declared a federal disaster area.[11]

Rainfall in the United States and Canada

Floyd brought intense winds and heavy rain to Rhode Island. The strongest winds were confined to Washington and Providence counties. The winds brought down numerous trees, tree limbs and power lines. Rainfall typically ranged from 2 to 5 in (51 to 127 mm), with a report of 7.12 in (181 mm) at North Smithfield, Rhode Island. The Pawtuxet River reached flood stage on September 16, and crested the next day. Although it surpassed its banks, no flood damage was reported.[12] The storm's effects in the state were mostly minor.[10]

In Massachusetts, the storm produced wind gusts of 60 to 70 mph (97 to 113 km/h), reaching 76 mph (122 km/h) at the New Bedford Hurricane Barrier. The strongest winds were concentrated over two sections of the state—the western mountains terrain and Cape Cod. The winds brought down trees and power lines in these areas,[13] particularly around Pittsfield.[14] In terms of rainfall, the storm dropped 6 to 10 in (150 to 250 mm) in many locations. The heavy precipitation caused rivers to swell, and in some cases flow over their banks.[13] Storm surge at the Fox Point Hurricane Barrier reached 4.2 ft (1.3 m).[1]

Northern New England

By September 17, Floyd was located over southwestern Maine, dropping heavy rains. The entire state received precipitation, with the highest totals confined to southern areas.[15] The National Weather Service issued a flood watch for two-thirds of the state. The storm was described as "tame", and damage was generally minor.[16] In much of Androscoggin County, rainfall amounted to between 7 and 8 in (180 and 200 mm); Poland reported 8.72 in (221 mm). Several rivers approached or exceeded flood stage due to rainfall from Floyd and Hurricane Dennis less than a week earlier, causing minor flooding.[17][18] Floyd helped to alleviate drought conditions in Maine.[19] Some roads in susceptible areas were submerged, and a few basements were flooded. Wind gusts of 30 to 40 mph (48 to 64 km/h) blew down trees and snapped branches, especially in the area surrounding Baxter State Park.[17] Around 15,000 residents were affected by power outages as a result.[18] Following the event, five counties—Androscoggin, Cumberland, Kennebec Oxford, and Somerset—were declared disaster areas, making federal aid available to those areas.[11][20]

Rainfall in New Hampshire generally ranged from 4 to 7 in (100 to 180 mm), although a few higher totals were recorded. At Mount Washington, 9.54 in (242 mm) of precipitation fell. The rainfall swelled rivers, pushing them above flood stage; the Saco River at Conway crested at 15.56 ft (4.74 m), surpassing the 9-ft (2.7 m) flood stage. Along the Saco and Pemigewasset rivers, minor flooding took place,[21] though only in low-lying terrain.[22] Strong winds also impacted the state, with gusts often exceeding 40 mph (64 km/h).[21] The winds brought down several small trees in Jaffrey,[22] and triggered power outages that affected 10,000 residents.[21] A federal disaster area was declared in the state.[11][23]

In Vermont, for the first time in years, the Tunbridge World's Fair was canceled due to the storm. One woman sustained injuries after a tree crashed on her vehicle. Floyd produced high winds and heavy rain throughout the state, leading to widespread downed trees and powerlines. Thousands of residents in the state lost power after 60 mph (97 km/h) winds impacted the area. Rainfall totals of 3 to 6 in (76 to 152 mm) were common,[24] although there were localized higher reports. The rainfall was offset by persistent drought conditions, however.[11] Numerous tributaries overflowed their banks, and significant flooding was reported. In Weathersfield, part of U.S. Route 5 was washed away.[24] Some schools were closed and events canceled in the region. The downed trees caused structural damage, blocked roadways, and affected hiking trails.[25] The high winds also damaged buildings and some apple orchards,[26][27][28] Waves of 8 to 10 ft (2.4 to 3.0 m) occurred on Lake Champlain, damaging numerous watercraft along the shore. The hurricane caused one death. Most of Vermont was declared a disaster area after the storm.[11]

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See also

References
  1. Richard J. Pasch; et al. (November 18, 1999). "Tropical Cyclone Report: Hurricane Floyd". National Hurricane Center. Retrieved February 11, 2010.
  2. Staff Writer (September 16, 1999). "Utilities Hoping to Make Life with Floyd a Breeze". The Hartford Courant. Retrieved February 11, 2010.
  3. Staff Writer (September 16, 1999). "USGS Prepares for Hurricane Floyd in Massachusetts and Rhode Island". M2 Presswire. Retrieved February 11, 2010.
  4. Marion Davis (September 16, 1999). "Floyd Heads North - Floyd takes a run at N.E. - Almond shuts campgrounds, beaches as R.I. prepares". The Providence Journal. Retrieved February 11, 2010.
  5. Linda Borg (September 15, 1999). "Floyd blows travel plans for some in R.I." The Providence Journal. Retrieved February 11, 2010.
  6. Paul Davis (September 17, 1999). "Floyd who?". The Providence Journal. Retrieved February 11, 2010.
  7. Meredith Goldstein (September 17, 1999). "A last mad dash before the storm". The Providence Journal. Retrieved February 11, 2010.
  8. "Connecticut Event Record Details: Flood". National Climatic Data Center. Retrieved February 11, 2010.
  9. Mike Allen (September 19, 1999). "The Big Storm: Connecticut; At a Flooded Car Dealer, Everything Must Go". The New York Times. Retrieved February 11, 2010.
  10. Marion Davis (September 17, 1999). "Floyd rushes through R.I. - Diminished storm still downs trees, floods streets". The Providence Journal. Retrieved February 11, 2010.
  11. National Weather Service Newport/Morehead City, NC. "Hurricane Floyd Impacts". National Oceanic and Atmospheric Administration. Retrieved February 11, 2010.
  12. "Rhode Island Event Report: Strong Winds". National Climatic Data Center. Retrieved February 11, 2010.
  13. "Massachusetts Event Record Details: Strong Wind". National Climatic Data Center. Retrieved February 11, 2010.
  14. "Massachusetts Event Record Details: Flood". National Climatic Data Center. Retrieved February 11, 2010.
  15. David Roth. "Hurricane Floyd - September 14–17, 1999". Hydrometeorological Prediction Center. Retrieved February 11, 2010.
  16. Staff Writer (September 17, 1999). "A Tamer Floyd Hits Maine". The Portland Press Herald. Retrieved February 11, 2010.
  17. "Maine Event Record Details: High Wind". National Climatic Data Center. Retrieved February 11, 2010.
  18. "Maine Event Record Details: Remnants of Floyd". National Climatic Data Center. Retrieved February 11, 2010.
  19. United States Geological Survey (2009). "Effect of Hurricane Floyd on current water resources in Maine". Science Blog. Retrieved February 11, 2010.
  20. "Disaster Aid Ordered for Maine Storm Recovery". Federal Emergency Management Agency. November 19, 1999. Archived from the original on April 9, 2010. Retrieved February 11, 2010.
  21. "New Hampshire Event Record Details: Remnants of Floyd". National Climatic Data Center. Retrieved February 11, 2010.
  22. "New Hampshire Event Record Details: Heavy Rain". National Climatic Data Center. Retrieved February 11, 2010.
  23. "Disaster Aid Ordered For New Hampshire Storm Recovery". Federal Emergency Management Agency. October 18, 1999. Archived from the original on April 9, 2010. Retrieved February 11, 2010.
  24. "Vermont Event Record Details: High Wind". National Climatic Data Center. Retrieved February 11, 2010.
  25. "Vermont Event Record Details: High Wind". National Climatic Data Center. Retrieved February 11, 2010.
  26. "Vermont Event Record Details: High Wind". National Climatic Data Center. Retrieved February 11, 2010.
  27. "Vermont Event Record Details: High Wind". National Climatic Data Center. Retrieved February 11, 2010.
  28. "Vermont Event Record Details: High Wind". National Climatic Data Center. Retrieved February 11, 2010.

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