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Connecticut Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Connecticut is lower than the national average. The risk of tornado damage in Connecticut is lower than the national average.

Topics:Earthquake IndexVolcano IndexTornado IndexOther Weather Extremes EventsVolcanos NearbyHistorical Earthquake EventsHistorical Tornado Events

Earthquake Index, #11

Connecticut
0.94
U.S.
1.81

The earthquake index value is calculated based on historical earthquake events data using USA.com algorithms. It is an indicator of the earthquake level in a region. A higher earthquake index value means a higher chance of an earthquake.

Volcano Index, #14

Connecticut
0.0000
U.S.
0.0023

The volcano index value is calculated based on the currently known volcanoes using USA.com algorithms. It is an indicator of the possibility of a region being affected by a possible volcano eruption. A higher volcano index value means a higher chance of being affected.

Tornado Index, #29

Connecticut
100.22
U.S.
136.45

The tornado index value is calculated based on historical tornado events data using USA.com algorithms. It is an indicator of the tornado level in a region. A higher tornado index value means a higher chance of tornado events.

Other Weather Extremes Events

A total of 2,938 other weather extremes events from 1950 to 2010 were recorded in Connecticut. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:14Cold:38Dense Fog:0Drought:5
Dust Storm:0Flood:423Hail:470Heat:38Heavy Snow:134
High Surf:0Hurricane:0Ice Storm:12Landslide:0Strong Wind:190
Thunderstorm Winds:1,187Tropical Storm:1Wildfire:0Winter Storm:77Winter Weather:34
Other:315 

Volcanos Nearby

No volcano is found in or near Connecticut.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in Connecticut.

No historical earthquake events found in or near Connecticut.

Historical Tornado Events

A total of 29 historical tornado events that had recorded magnitude of 2 or above found in Connecticut.

DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
1979-10-03441°53'N / 72°40'W42°03'N / 72°42'W11.30 Miles1400 Yards3500250.0M0Hartford
1989-07-10441°23'N / 72°54'W41°19'N / 72°55'W3.00 Miles100 Yards040250.0M0New Haven
1951-08-21341°35'N / 72°30'W08250K0Middlesex
1954-05-10341°55'N / 72°28'W0.30 Mile33 Yards0225K0Tolland
1962-05-24341°33'N / 73°07'W41°34'N / 72°56'W9.30 Miles120 Yards1452.5M0New Haven
1962-05-24341°34'N / 72°56'W41°36'N / 72°53'W2.30 Miles120 Yards052.5M0Hartford
1971-07-29341°33'N / 73°03'W02250K0New Haven
1950-07-12241°34'N / 72°34'W10.00 Miles33 Yards003K0Middlesex
1950-07-14241°16'N / 73°30'W5.00 Miles100 Yards03250K0Fairfield
1951-08-20241°52'N / 72°15'W0025K0Tolland
1951-08-21241°37'N / 73°25'W41°48'N / 72°36'W43.90 Miles100 Yards09250K0Litchfield
1954-05-10242°00'N / 72°53'W0.80 Mile17 Yards003K0Hartford
1955-10-24241°30'N / 73°03'W0.50 Mile200 Yards003K0New Haven
1958-09-07241°54'N / 72°18'W1.30 Miles100 Yards02250K0Tolland
1959-05-12242°00'N / 73°24'W0.50 Mile100 Yards003K0Litchfield
1962-06-18241°46'N / 73°05'W0.10 Mile67 Yards0025K0Litchfield
1965-08-19241°58'N / 72°28'W41°56'N / 72°20'W6.60 Miles120 Yards0025K0Tolland
1966-08-11242°02'N / 73°18'W42°03'N / 73°14'W2.70 Miles100 Yards0025K0Litchfield
1971-07-19241°06'N / 73°26'W1.50 Miles33 Yards0025K0Fairfield
1973-06-12241°37'N / 73°07'W1.50 Miles23 Yards000K0Litchfield
1973-08-31241°44'N / 72°44'W0025K0Hartford
1973-09-06241°48'N / 72°32'W41°49'N / 72°27'W3.30 Miles33 Yards002.5M0Hartford
1973-09-18241°36'N / 72°54'W000K0New Haven
1976-06-30242°00'N / 73°08'W1.00 Mile100 Yards0025K0Litchfield
1984-07-05241°40'N / 72°57'W41°43'N / 72°50'W3.00 Miles200 Yards000K0Hartford
1989-07-10241°50'N / 73°20'W41°43'N / 73°14'W10.00 Miles73 Yards0425.0M0Litchfield
1989-07-10241°36'N / 73°07'W41°34'N / 73°05'W2.00 Miles100 Yards02025.0M0Litchfield
1989-07-10241°34'N / 73°05'W41°33'N / 73°02'W3.00 Miles100 Yards05025.0M0New Haven
2001-06-23241°48'N / 73°07'W41°48'N / 73°07'W0.50 Mile200 Yards00250K0Litchfield
 Brief Description: A warm front, moving into Connecticut, produced a line of showers and isolated thunderstorms during the early afternoon of June 23. One cell developed into a supercell which then spawned two tornados in Litchfield County. The first tornado touched down in the northern end of the town of Washington, on a golf course near Lake Waramaug, cutting a path 50 yards wide and a mile in length. It hit during a lull of a golf tornament that was going on there, damaging the fourth hole of the course as well as destroying a metal fence around a tennis court. This tornado also demolished a storage building. This was ranked as an F1 Tornado, with winds estimated between 75 and 100 mph, by National Weather Service Personnel. The tornado also took out many trees around this area. The tornado lifted back up, but then reformed from the cell as the storm moved into the cities of Torrington and Winstead. This second tornado was ranked on the Fujita scale as an F2 with winds estimated between 100 and 130 mph. It touched down near the Torrington Middle School, over the Midget Football Field cutting a swath two hundred yards wide and a half a mile in length. The tornado destroyed an 8,000 dollar shed that had recently been completed by the Midget Football League. The second twister also demolished the bleachers and part of a roof at the Torrington Middle school. In addition, hundreds of large trees were uprooted. Powerlines were also destroyed. One person was injured when a portion of the blown off roof fell on him, resulting in bone fractures.


* The information on this page is based on the global volcano database, the U.S. earthquake database of 1638-1985, and the U.S. Tornado and Weather Extremes database of 1950-2010.


 
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