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Stevenson, CT Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Stevenson is lower than Connecticut average and is lower than the national average. The risk of tornado damage in Stevenson is about the same as Connecticut average and is lower than the national average.

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

Earthquake Index, #185

Stevenson, CT
0.33
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, #1

Stevenson, CT
0.0000
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, #151

Stevenson, CT
100.90
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 3,762 other weather extremes events within 50 miles of Stevenson, CT were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:1Cold:11Dense Fog:0Drought:2
Dust Storm:0Flood:584Hail:658Heat:25Heavy Snow:40
High Surf:2Hurricane:0Ice Storm:5Landslide:0Strong Wind:82
Thunderstorm Winds:1,892Tropical Storm:0Wildfire:0Winter Storm:16Winter Weather:3
Other:441 

Volcanos Nearby

No volcano is found in or near Stevenson, CT.

Historical Earthquake Events

A total of 3 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Stevenson, CT.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude
43.61985-10-194640.98-73.83
36.91981-11-213.8641.13-72.56
36.91981-10-213.5641.13-72.56

Historical Tornado Events

A total of 34 historical tornado events that had recorded magnitude of 2 or above found in or near Stevenson, CT.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
10.71955-10-24241°30'N / 73°03'W0.50 Mile200 Yards003K0New Haven
13.51971-07-29341°33'N / 73°03'W02250K0New Haven
13.71989-07-10241°34'N / 73°05'W41°33'N / 73°02'W3.00 Miles100 Yards05025.0M0New Haven
14.51989-07-10241°36'N / 73°07'W41°34'N / 73°05'W2.00 Miles100 Yards02025.0M0Litchfield
14.51989-07-10441°23'N / 72°54'W41°19'N / 72°55'W3.00 Miles100 Yards040250.0M0New Haven
14.61962-05-24341°33'N / 73°07'W41°34'N / 72°56'W9.30 Miles120 Yards1452.5M0New Haven
16.51973-06-12241°37'N / 73°07'W1.50 Miles23 Yards000K0Litchfield
18.21950-07-14241°16'N / 73°30'W5.00 Miles100 Yards03250K0Fairfield
19.91962-05-24341°34'N / 72°56'W41°36'N / 72°53'W2.30 Miles120 Yards052.5M0Hartford
21.01973-09-18241°36'N / 72°54'W000K0New Haven
23.41971-07-19241°06'N / 73°26'W1.50 Miles33 Yards0025K0Fairfield
24.21951-08-21241°37'N / 73°25'W41°48'N / 72°36'W43.90 Miles100 Yards09250K0Litchfield
25.91989-07-10241°25'N / 73°41'W0.50 Mile100 Yards0525.0M0Putnam
26.11984-07-05241°40'N / 72°57'W41°43'N / 72°50'W3.00 Miles200 Yards000K0Hartford
27.01962-06-18241°46'N / 73°05'W0.10 Mile67 Yards0025K0Litchfield
27.51989-07-10241°50'N / 73°20'W41°43'N / 73°14'W10.00 Miles73 Yards0425.0M0Litchfield
28.11971-07-29241°23'N / 73°45'W41°27'N / 73°42'W4.50 Miles33 Yards00250K0Putnam
29.02001-06-23241°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.
33.61973-08-31241°44'N / 72°44'W0025K0Hartford
34.41950-07-12241°34'N / 72°34'W10.00 Miles33 Yards003K0Middlesex
35.62006-07-12241°04'N / 73°52'W41°08'N / 73°39'W8.00 Miles300 Yards0610.1M0Westchester
 Brief Description: A weak F1 tornado touched down in Grandview On Hudson in Rockland County at approximately 3:30 pm EDT. After damaging a dock on the Rockland County shoreline, the tornado moved east to northeast, about 3 miles across the Hudson River. The tornado over turned a boat near the Tappen Zee Bridge then moved across the western shores of Westchester County over the town of Sleepy Hollow around 3:37 pm EDT. Houses and businesses along Beekman Avenue, Depeyster Street, and Chestnut Street in Sleepy Hollow experienced roof and siding damage associated with an F1 tornado intensity. The tornado continued on an east to northeast track to the Sleepy Hollow High School. A 58 mph wind gust was measured at 3:39 pm near the periphery of the tornado track. As the tornado moved into the higher terrain of Pacantico Hills, the damage to trees and structures, which included the destruction of 2 small barns, indicated that the tornado intensified to an F2. As the tornado crossed Route 9A, significant structural damage occurred to the California Closet Building. In addition, a state trooper's vehicle was lifted briefly off the ground and a tractor trailer was blown over. As the tornado moved into Mount Pleasant and Hawthorne, extensive tree damage rated as a strong F1 was observed in the vicinity of Stevens Avenue. Minor structural damage and windows blown out were observed in the Summit Lake Industrial area. The tornado then moved into the Kensico Reservoir region across Routes 22 and 120 in the North Castle area. The path width was estimated at 200 to 300 yards based on the damage survey across Westchester County.
38.01951-08-21341°35'N / 72°30'W08250K0Middlesex
42.71976-06-30242°00'N / 73°08'W1.00 Mile100 Yards0025K0Litchfield
44.01959-05-12242°00'N / 73°24'W0.50 Mile100 Yards003K0Litchfield
44.41989-07-10240°49'N / 72°47'W0.20 Mile40 Yards010K0Suffolk
44.71999-08-08241°00'N / 72°31'W41°00'N / 72°28'W4.00 Miles300 Yards011.0M0Suffolk
 Brief Description: A cluster of severe thunderstorms formed north of an approaching strong warm front and moved east-southeast, just north of the front. A severe thunderstorm produced a tornado along the south shore of the North Fork of Suffolk County on Long Island. The tornado touched down and lifted several times along a 4 mile path as it moved east-southeast from just southeast of Mattituck Air Base, across Marratooka Pt., Kimogener Pt. (of New Suffolk), Cutchogue Harbor, Central Nassau Pt., then lifted as it crossed Hog Neck Bay. The National Weather Service Survey showed that the tornado touched down first in southern sections of Mattituck. This was in the backyard area bounded to the west by Marratooka Road, to the north by Center Street, and to the south by Park Ave. Most damage at this location was to trees, where many tops were twisted off and several snapped off at 5 to 15 feet above the ground. This was estimated as F1 damage. The tornado "bounced" and continued east to the dirt road extension of Park Ave., where it lifted the roof off a cottage at #520. The roof of the building detached from the house and was carried about 115 feet to the northeast. The tornado continued east for about 1/2 mile, then touched down again at 10 Kimogenor Point. It ripped off the porch and part of the main roof of the house. It apparently developed a few separate vortices at this location. One twisted a 100 year old metal windmill over high tension power lines and did some significant damage to large trees. Another vortex slammed into the front porch at 2 Kimogenor Point. It ripped off the porch and a large section of the roof of the house. The lone inhabitant said he saw a "wall of water" heading toward his house and instinctively dove into the stone fireplace to protect himself as the storm hit. Winds were estimated over 100 mph over this part of the tornado's path. The tornado continued east along Jackson Ave. causing havoc with many mature trees in the area. The most significant damage occurred in the vicinity of Jackson Ave. and Fifth Street, where winds were estimated from 110 to 120 mph, due to the devastation to many large trees. This was the area where F2 damage was observed. This was also the widest path width, which was estimated at 300 yards. The tornado continued east along Jackson Ave. creating F1 damage then went over Cutchogue Harbor. Eyewitnesses from Nassau Point (Little Hog Neck) said they saw the tornado over the water just east of New Suffolk. They saw several suction vortices rotating around the main funnel. The tornado moved across Nassau Point, in the vicinity of Wunnaweta Pond, where it twisted and sheared off many trees that fell on and damaged houses. It bounced again and hit close to the ground near #6225 and #6325 Nassau Point Road. Many trees fell onto and damaged homes. These backyards were on top of a cliff overlooking Hogs Neck Bay. The tornado lifted before hitting these homes. This was the last indication of tornadic damage. The latest cost estimates of damage from the Southhold Supervisor's Office are in excess of $1 million dollars. One injury occurred as a person was struck by flying debris.
45.31954-05-10242°00'N / 72°53'W0.80 Mile17 Yards003K0Hartford
45.71966-08-11242°02'N / 73°18'W42°03'N / 73°14'W2.70 Miles100 Yards0025K0Litchfield
46.31973-09-06241°48'N / 72°32'W41°49'N / 72°27'W3.30 Miles33 Yards002.5M0Hartford
46.71971-07-29241°25'N / 74°08'W41°29'N / 74°02'W6.20 Miles83 Yards00250K0Orange
47.81966-08-11242°03'N / 73°14'W42°06'N / 73°05'W8.00 Miles33 Yards0025K0Berkshire
47.91979-10-03441°53'N / 72°40'W42°03'N / 72°42'W11.30 Miles1400 Yards3500250.0M0Hartford
49.91970-07-15240°55'N / 73°55'W2.00 Miles50 Yards0025K0Bergen
49.91970-09-27240°42'N / 73°30'W0.50 Mile77 Yards00250K0Nassau


* 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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