Northeastern United States tornado outbreak of 1989

Northeastern United States tornado outbreak of 1989

Infobox tornado outbreak
name=Northeastern United States tornado outbreak
image location= Hamden tornado.jpg

Hamden, Connecticut
date=July 10, 1989
duration=13.5 hours
fujitascale=F4
tornadoes=17 confirmed
total damages (USD)=>$130 million 1989 USD ($214 million 2006 USD)
total fatalities=1 (indirect)
areas affected=New York, Massachusetts, Connecticut, New Jersey

The Northeastern United States tornado outbreak of 1989 was a series of tornadoes which caused more than $130 million (1989 USD) in damage across the Northeastern United States on July 10, 1989. The storm system affected five states with severe weather, including hail up to 2.5 inches (6.4 cm) across, thunderstorm winds up to 90 mph (150 km/h), and 17 tornadoes. Several towns in New York and Connecticut were particularly hard-hit. Several homes were leveled in Greenville, New York and extensive damage occurred in Bantam, Connecticut. A large section of Hamden, Connecticut, including an industrial park and hundreds of homes, was completely destroyed; in some places buildings were flattened to the ground.

More than 150 people were injured by the tornado outbreak, and one person was killed by thunderstorm winds. While tornado outbreaks in this area are unusual, this storm was especially rare in that it produced six significant tornadoes, two of which were violent F4s, and featured many tornadoes with tracks of several miles.

List of official tornadoes

torm details

Storms began causing damage early in the morning on July 10, 1989. A tornado briefly touched down in Ogdensburg, New York at 5AM, injuring one person. Hail up to 1 in (25 mm) wide, wind gusts over 50 mph (60 km/h), and many reports of wind damage were reported in New York, Vermont, and Massachusetts before noon. Severe weather is an unusual occurrence in the morning, and the activity only increased in severity towards the middle of the afternoon.

choharie County tornado

The event which devastated areas from Montgomery to Greene County caused $20,000,000 in damage and injured 20 people. While the Storm Prediction Center archives say that it was a single tornado, it was likely three or more tornadoes, each producing F3 to F4 damage. Only damage near Greenville was at the F4 level, and some sources doubt it even reached that intensity at all.

The first tornado touched down three miles east of Ames at 1:27PM, moving southeast. It passed near or through the towns of Carlisle, Howe Caverns, Central Bridge, and Schoharie before lifting. Continuing southeast for 10 miles, the storm produced another tornado briefly near Rensselaerville. After another 10 miles, a third tornado touched down between Greenville and Surprise. This final section of the path is plotted as a skipping tornado, but may have been three or more separate tornadoes.

Connecticut tornado family

An hour after the previous event caused destruction in Upstate New York, a new tornado family began producing significant damage in the adjacent state of Connecticut. The first tornado, which may have been three separate tornadoes, started its path of destruction in Cornwall, leveling a virgin forest known as Cathedral Pines. The tornado continued south-southeast through Milton, leveling hundreds more trees, and destroyed the village of Bantam before dissipating. Strong winds continued to cause damage and level trees after this tornado stopped causing damage. It was during this period between tornadoes that a 12-year-old girl was killed by falling trees in Black Rock State Park.cite news | first = Constance L | last = Hayes | title = Unusually Fierce Winds Razed 100 Homes | url = http://proquest.umi.com/pqdweb?index=0&did=115453089&SrchMode=1&sid=2&Fmt=10&VInst=PROD&VType=PQD&RQT=309&VName=HNP&TS=1182092638&clientId=2618 | format = fee required | publisher = New York Times | pages = B1-2 | date = 2007-07-12 | accessdate = 2007-05-17 ]

Soon afterwards, another tornado touched down in Watertown, passing through Oakville and northern Waterbury, damaging or destroying 150 homes.

Hamden tornado

The Hamden tornado was by far the most destructive tornado of this family, and possibly the most damaging of the entire outbreak. The damage path was only five miles long, stopping just short of the city of New Haven, but it destroyed almost 400 structures in its path of destruction. Industrial cranes and cars were tossed through the air, and rows of houses, as well as an industrial park, were flattened. [cite news | first = Nick | last = Ravos | title = Connecticut Residents Remember A Storm Worthy of a Nightmare | url = http://proquest.umi.com/pqdweb?index=0&did=115601682&SrchMode=1&sid=4&Fmt=10&VInst=PROD&VType=PQD&RQT=309&VName=HNP&TS=1182093221&clientId=2618 | format = fee required | publisher = New York Times | page = B2 | date = 2007-07-13 | accessdate = 2007-05-17 ] The National Guard was called in to aid in cleanup and keep order, as some looting was reported in the devastated area. The damage was so intense that much of the area was without power for a week, and trees were still being cleared a year later.

The storm was so intense at this point that an 80 mph (130 km/h) wind gust was measured in downtown New Haven after the tornado dissipated. About the same time, a tornado struck the area between Carmel and Brewster, New York, unroofing a condominium. Five people were injured.

Long Island

The storms continued to produce damage after crossing onto Long Island. An F2 tornado caused significant damage in the town of East Moriches. A man was thrown with his trailer across an airfield; he escaped the destroyed trailer with only minor injuries. The tornado was accompanied by 2.5 inch (6.4 cm) hail. Other areas further east also saw straight-line wind damage and hail up to an inch across.

Massachusetts storms

While the destructive tornadoes were affecting Connecticut, this part of the storm produced four brief F1 tornadoes in quick succession north of Worcester, which occurred between 4PM and 4:15PM. These tornadoes each produced damage paths less than 150 feet (45 m) wide, and less than 0.5 miles (0.8 km) long.Moving east-southeast into southern Middlesex County, it continued producing severe winds (gusting up to 90 mph; 145 km/h) and very heavy rain. Another tornado touched down very briefly in Norfolk County, followed by two more brief touchdowns in Plymouth County near 5:30PM. The storm then weakened, but still managed to produce 60 mph (95 km/h) winds on Cape Cod, before finally moving out into the Atlantic and dissipating.

There was some damage to homes and other structures from this storm, however, most damage was confined to wooded areas. Several major roads, including Route 9, Route 12, and Interstate 190, were closed due to flooding or downed trees. The main financial impact was from damage to utilities, which totalled over $2 million in Princeton alone.cite news | first = Joshua | last = Gillette | title = Small Tornadoes Hit as Storms Lash the State | url = http://proquest.umi.com/pqdweb?translang=%23&RQT=305&SQ=AU%28Joshua+Gillette%2C+Contributing+Reporter%29&querySyntax=PQ&sortby=REVERSE_CHRON&TS=1182444494 | format = fee required | publisher = Boston Globe | page = 60 | date = 1989-07-11 | accessdate = 2007-06-21 ] cite news | first = Frances | last = Robles | title = Massachusetts Reeling from Storms That Caused Damages in the Millions | url = http://proquest.umi.com/pqdweb?index=0&did=61499515&SrchMode=1&sid=3&Fmt=3&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1182444813&clientId=2618 | format = fee required | publisher = Boston Globe | page = 18 | date = 1989-07-12 | accessdate = 1989-06-21 ]

New Jersey storms

Around the same time, the last of the activity was affecting areas of northern New Jersey. Two F0s and an F1 tracked through parts of Passaic and Bergen counties, snapping and uprooting trees, and causing $4 million in damage. About 150 houses were damaged in Bergen county alone.

Historic outbreak

This storm event was one of the most extensive ever seen in the Northeastern United States. In all, 17 tornadoes touched down, possibly more. There were 14 instances of measured severe winds (several over 80 mph, 129 km/h), along with 46 reports of straight-line wind damage. There were 10 reports of hail 1 inch (2.5 cm) across or larger, and hail 2.5 inches (6.4 cm) wide fell from one storm, which was producing a tornado at the time. Hail this large is especially rare in this area of the world. Data from the Storm Prediction Center archives, which are accessible through [http://www.spc.noaa.gov/software/svrplot2/ SeverePlot] , free software created and maintained by John Hart, lead forecaster for the SPC.]

Remarkably, though hundreds of homes and other structures were leveled, no one was killed by tornadoes that day. Tornado damage caused about 140 injuries, mostly minor, and one death and 11 injuries were caused by wind damage. In just five hours, the storms produced more than 12,500 lightning strikes. The airport in Oxford, Connecticut recorded 4.4 inches (112 mm) of rain in just 30 minutes.cite web| url = http://www.intellicast.com/Almanac/Northeast/July/| title = July in the Northeast| author = Intellicast| accessdate = 2006-10-01| year = 2005| archiveurl=http://web.archive.org/web/20050425112833/http://www.intellicast.com/Almanac/Northeast/July/| archivedate=2005-04-25] While the northeastern United States experiences occasional tornadoes, an event of this scale is especially rare. Typical tornadoes in this area are short-lived and not particularly damaging. This outbreak featured several long-lived tornadoes, produced by storms which also produced destructive non-tornadic winds over a large area. Since 1950, only six violent tornadoes have occurred in the Northeastern US, two of which were part of this outbreak. It was by far the worst tornado event in the area since May 2, 1983, when six significant tornadoes tore through New York, and maybe the worst since the Worcester Tornado.cite book | last = Grazulis | first = Thomas P | title = Significant Tornadoes 1680-1991 | date = July | month = 1993 | publisher = The Tornado Project of Environmental Films | location = St. Johnsbury, VT | isbn = 1-879362-03-1 ]

ee also

*Flint-Worcester tornado outbreak sequence
*List of Connecticut tornadoes
*Late-May 1998 Tornado Outbreak and Derecho
*List of North American tornadoes and tornado outbreaks

References


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