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Portland, NY Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Portland is lower than New York average and is much lower than the national average. The risk of tornado damage in Portland is higher than New York average and is much lower than the national average.

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

Earthquake Index, #1616

Portland, NY
0.02
New York
0.58
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

Portland, NY
0.0000
New York
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, #531

Portland, NY
60.26
New York
49.25
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 1,814 other weather extremes events within 50 miles of Portland, NY were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:2Cold:29Dense Fog:0Drought:9
Dust Storm:0Flood:249Hail:286Heat:1Heavy Snow:194
High Surf:0Hurricane:0Ice Storm:7Landslide:0Strong Wind:81
Thunderstorm Winds:855Tropical Storm:0Wildfire:0Winter Storm:28Winter Weather:0
Other:73 

Volcanos Nearby

No volcano is found in or near Portland, NY.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Portland, NY.

No historical earthquake events found in or near Portland, NY.

Historical Tornado Events

A total of 24 historical tornado events that had recorded magnitude of 2 or above found in or near Portland, NY.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
8.52010-07-24242°17'N / 79°35'W42°14'N / 79°27'W8.00 Miles150 Yards005.0M0KChautauqua
 Brief Description: EVENT NARRATIVE: An NWS ground and aerial survey confirmed an EF2 tornado. EPISODE NARRATIVE: A tornado touched down in the Town of Chautauqua in Chautauqua County at 440 pm EDT. Initial touchdown occurred near the Chautauqua Gorge State Forest. The along the first half of the damage path the primary damage was done to trees. As the tornado neared Mayville substantial structural damage occurred to homes and businesses. Some of the affected streets included: McKay Road, Morris Street, Valley Street, and Erie Street. The tornado then crossed Chautauqua Lake. During the aerial survey debris from the structures could be seen floating in the lake. The tornado continued across the lake into Dewittville. There is caused damage at the Camelot Golf Course. Dozens of golf carts were lost. Structural damage was done to several buildings on the course. Also in Dewittville, the tornado severely damaged three condominium buildings, including 18 condominium units, at the Chautauqua Lake Estates. This was also the final touchdown of the tornado although debris was visible for about another three-quarter mile downstream. A NWS survey concluded an EF2 rating with winds estimated at 125 mph. The county emergency manager estimated damage at $5 million.
10.61992-07-12242°26'N / 79°20'W42°29'N / 79°16'W4.00 Miles23 Yards002.5M0Chautauqua
11.81983-05-02342°09'N / 79°37'W42°19'N / 79°05'W28.00 Miles450 Yards202.5M0Chautauqua
13.11969-05-17242°16'N / 79°16'W2.00 Miles250 Yards01250K0Chautauqua
19.11965-05-16242°06'N / 79°30'W42°06'N / 79°27'W03250K0Chautauqua
21.41969-06-20342°01'N / 79°38'W42°15'N / 78°48'W45.60 Miles33 Yards002.5M0Chautauqua
23.81985-05-31442°01'N / 79°34'W42°03'N / 79°26'W8.00 Miles440 Yards002.5M0Chautauqua
25.01985-05-31342°02'N / 79°14'W42°08'N / 79°09'W13.00 Miles177 Yards0102.5M0Chautauqua
26.11985-05-31442°00'N / 79°36'W42°01'N / 79°34'W2.00 Miles300 Yards000K0Warren
27.61985-05-31441°59'N / 79°38'W42°00'N / 79°36'W2.00 Miles300 Yards000K0Erie
32.12010-07-24242°09'N / 79°01'W42°07'N / 78°52'W8.00 Miles800 Yards007.0M0KCattaraugus
 Brief Description: EVENT NARRATIVE: A NWS survey confirmed an EF2 tornado touched down. EPISODE NARRATIVE: A tornado touched down in Randolph in Chautauqua County at 525 pm EDT. The initial touchdown occurred just south of Interstate 86 between exits 15 and 16. The tornado crossed Interstate 86 and damaged a gas station near exit 16???pulling the pumps out of the ground. The tornado continued across the Village of Randolph at its maximum size and intensity. The entire Village of Randolph lost power. About a dozen homes sustained significant structural damage in the village. The tornado continued for a total distance of about seven miles. Large trees were felled. Several automobiles were destroyed by falling trees. The final damage from the tornado appeared along County Rte 394 near exit 17 off I-86 in the town of Cold Spring. A NWS survey concluded an EF2 rating with winds estimated to 125 mph. The county emergency manager estimated damage at $7 million.
32.81953-11-22241°55'N / 79°38'W2.00 Miles67 Yards0225K0Erie
33.11952-07-19241°56'N / 79°45'W41°55'N / 79°38'W5.60 Miles27 Yards003K0Erie
33.11985-05-31441°56'N / 79°57'W41°59'N / 79°38'W16.00 Miles300 Yards000K0Erie
35.21968-08-06242°24'N / 79°05'W42°14'N / 78°30'W31.80 Miles250 Yards04250K0Chautauqua
35.71983-05-02242°04'N / 80°02'W1.00 Mile33 Yards00250K0Erie
37.61970-08-19342°40'N / 78°53'W42°40'N / 78°49'W2.30 Miles300 Yards03250K0Erie
38.11971-06-02341°52'N / 80°08'W41°56'N / 79°34'W29.30 Miles33 Yards0025K0Erie
38.11997-08-16241°54'N / 79°51'W41°54'N / 79°51'W2.00 Miles100 Yards00500K3KErie
 Brief Description: A tornado touched down and skipped along its path for several minutes. Twenty mobile homes were damaged and one was destroyed at the Maple Heights Trailer Court. A sixty by eighty foot block building was destroyed. Three houses and one business were damaged. A cornfield was flattened and several trees were downed.
46.41967-07-24342°25'N / 78°40'W42°20'N / 78°28'W11.40 Miles250 Yards0025K0Cattaraugus
46.41985-05-31341°43'N / 79°48'W41°45'N / 79°40'W8.00 Miles427 Yards002.5M0Crawford
46.71986-09-30241°48'N / 79°57'W0.50 Mile60 Yards012.5M0Crawford
48.71977-09-18242°01'N / 80°21'W42°02'N / 80°15'W4.50 Miles33 Yards072.5M0Erie
49.71985-05-31341°41'N / 79°29'W41°39'N / 79°09'W17.00 Miles800 Yards080K0Warren


* 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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