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Revloc, PA Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Revloc is about the same as Pennsylvania average and is much lower than the national average. The risk of tornado damage in Revloc is lower than Pennsylvania average and is lower than the national average.

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

Earthquake Index, #1453

Revloc, PA
0.02
Pennsylvania
0.17
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

Revloc, PA
0.0000
Pennsylvania
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, #1937

Revloc, PA
77.12
Pennsylvania
109.77
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 2,713 other weather extremes events within 50 miles of Revloc, PA were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:2Cold:20Dense Fog:0Drought:9
Dust Storm:0Flood:456Hail:364Heat:2Heavy Snow:85
High Surf:0Hurricane:0Ice Storm:16Landslide:0Strong Wind:62
Thunderstorm Winds:1,592Tropical Storm:1Wildfire:0Winter Storm:42Winter Weather:1
Other:61 

Volcanos Nearby

No volcano is found in or near Revloc, PA.

Historical Earthquake Events

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

No historical earthquake events found in or near Revloc, PA.

Historical Tornado Events

A total of 28 historical tornado events that had recorded magnitude of 2 or above found in or near Revloc, PA.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
4.11996-07-19240°33'N / 78°45'W40°30'N / 78°39'W6.00 Miles100 Yards0000Cambria
 Brief Description: An F2 tornado touched down around 11:10 a.m. EST 2 miles east of Colver and tracked 6 miles southeast before ending 1 mile west of Loretto. The path width was 100 yards. Two homes and a barn were destroyed by this storm. Several roofs and a second barn were also damaged. A central suction vortex was visible in crop damage.
12.51980-06-09240°39'N / 78°39'W40°35'N / 78°32'W7.40 Miles33 Yards002.5M0Cambria
17.11956-05-13240°15'N / 78°50'W01250K0Somerset
18.21996-07-19240°43'N / 78°35'W40°39'N / 78°28'W8.40 Miles200 Yards0000Cambria
 Brief Description: An F1 to weak F2 tornado touched down in Clearfield County near New Washington around 10:15 a.m. EST. The tornado moved southeast approximately 19 miles along a curved path crossing Five Points into Cambria County across Glendale Lake before ending 2 miles east of Frugality. This storm damaged several mobile homes and farms in Five Points, picked a boat out of the water on Glendale Lake and felled many trees along its path. A herringbone tree pattern was apparent along with suction vortex damage to crops.
22.11953-05-30240°24'N / 79°12'W40°24'N / 79°08'W1.90 Miles33 Yards0025K0Indiana
23.52002-04-28240°34'N / 79°14'W40°37'N / 79°09'W5.00 Miles250 Yards01750K0Indiana
 Brief Description: A storm spawning two separate tornadoes passed over southern Armstrong County, continuing eastward into Indiana County. The first tornado, an F0, touched down at approximately 2:45 PM EST just south of the town of Spring Church in Armstrong County. It traveled east about 3 miles before crossing into Indiana County approximately 1 mile east of Maysville at 2:52 PM EST. This tornado continued traveling to the east for another mile, finally dissipating near the community of Iselin at around 2:55 PM EST. The maximum estimated winds with this tornado were about 70 MPH. Damage from this first tornado included numerous trees which were toppled or snapped. A small steeple was toppled, and a swimming pool was destroyed. There were several trees toppled onto houses, and some houses suffered minor wind damage. A garage was damaged, and a house under construction was lifted off the foundation. The same storm produced another stronger tornado, an F2, which touched down in Indiana County approximately 6 miles southwest of the city of Indiana at 3:00 PM EST. This F2 traveled to the east across Center Township for approximately 5 miles, dissipating just south of Indiana at 3:06 PM EST. The estimated maximum winds were around 135 MPH. This F2 tornado produced a swath of damage as it traveled eastward across Indiana County. One house was totally destroyed, and debris from this house was blown downwind. In this same area, a car was turned over and trees were stripped of leaves. An adjacent house exhibited damage from hail or flying projectiles on several sides. The house immediately to the north of the destroyed house lost part of its east-facing roof. There were at least an additional 18 houses damaged (roofs, shingles, siding, etc.). Several garages and barns were either toppled or snapped. A large sign from a hotel was blown down onto a car sales lot. Two cars were crushed and 18 other vehicles were damaged. One moderate injury was reported with this tornado.
24.71983-05-22240°27'N / 79°17'W40°30'N / 79°11'W6.00 Miles200 Yards002.5M0Indiana
25.21981-07-26240°34'N / 79°14'W00250K0Indiana
28.11996-07-19240°55'N / 78°55'W40°52'N / 78°48'W6.50 Miles200 Yards03200K10KIndiana
 Brief Description: A tornado touched down in Jefferson County and traveled southeast into northeast Indiana County, the tornado continued into the State Game Lands and exited Indiana County 4 miles north-north east of Glen Campbell and then entered Clearfield County. The tornado's path was 200 feet wide at its greatest width in Indiana County. Just some tree damage occurred in Jefferson County. The tornado strengthened and caused greater damage in Indiana County. Just east of Rossiter, the tornado tore the roof off of a barn. A child, playing outside, sought shelter in the barn. The roof lifted off and three of the four walls collapsed. The child was not injured. A horse that was inside the barn was sucked out and carried approximately 75 feet in the air into a field. The tornado traveled then traveled up a hill and significantly damaged one mobile home and destroyed a second. The second mobile home was carried at least 75 yards across a road and smashed against a row of trees. Three people were inside the mobile home and were injured, one critically. The tornado at this time was at it's strongest, at the upper end of F2. A nearby wood frame house was destroyed and dense areas of trees were felled or snapped. About a dozen homes sustained damage along the path, 5 were damaged extensively. Thirty pound cinder blocks from a garage were thrown approximately 300 yards up a nearby hill where a stronger suction vortex was noted. The tornado tracked into the State Game Lands and a 50 yard path of downed and twisted 100 to 150 foot trees was noted into the densely forested region.
28.71951-06-27240°35'N / 79°15'W40°52'N / 79°11'W19.70 Miles33 Yards003K0Armstrong
29.61997-08-15240°20'N / 79°19'W40°21'N / 79°16'W3.50 Miles200 Yards02800K10KWestmoreland
 Brief Description: A severe thunderstorm produced a tornado that produced substantial damage in a residential area east-northeast of Latrobe along the foothills of the Chestnut Ridge. The tornado first touched down 1 mile west of Derry. The tornado completely destroyed a large tier of metal stadium bleachers at a high school football field and wrapped them against a utility pole. A nearby roof of a business was damaged and a mobile home was completely destroyed and a few mobile homes sustained damage. The tornado then tracked through a rural area, damaging some farm buildings and downing field corn. The tornado continued its rapid (estimated forward speed 50-60 miles per hour) northeast track and caused significant damage in a mobile home park in Derry. The tornado crossed Route 217 and downed trees across railroad tracks and then entered a residential area in Millwood. One frame house in Millwood was severely damaged and part of a room addition collapsed and trapped a resident, who was treated at the scene. A resident of a mobile home sustained minor injuries as well. Numerous trees were uprooted and large branches and power lines were downed along the track of the storm. One home along Route 217 had a branch embedded into the house siding. The tornado was estimated to have wind speeds of between 90 and 120 miles per hour, briefly attaining an F-2 rating on the Fujita Tornado Scale. All tolled, 7-8 mobile homes were destroyed (3 totally decimated), 10-12 sustained major damage, 15-18 sustained minor damage. One frame house was heavily damaged and about 10 sustained minor damage. One car was destroyed when a tree fell on it. Parked next to the auto was another car with two occupants that were not injured. About 10 other cars were damaged. An open-air church in Millwood was also heavily damaged. The tornado appeared to have dissipated as it entered the heavily wooded slopes of the Chestnut Ridge.
32.01951-05-11240°07'N / 79°07'W40°03'N / 78°59'W8.00 Miles33 Yards0125K0Somerset
33.21980-05-12240°24'N / 79°23'W2.20 Miles20 Yards00250K0Westmoreland
33.71983-05-22240°20'N / 79°30'W40°27'N / 79°17'W13.00 Miles200 Yards042.5M0Westmoreland
34.41980-06-03240°32'N / 79°28'W40°32'N / 79°22'W4.90 Miles33 Yards00250K0Indiana
35.81976-07-11340°21'N / 79°30'W40°16'N / 79°18'W11.80 Miles67 Yards1172.5M0Westmoreland
36.31966-04-23240°42'N / 79°24'W1.00 Mile17 Yards0025K0Armstrong
40.51980-06-03440°36'N / 79°33'W40°35'N / 79°30'W2.30 Miles33 Yards0120250.0M0Armstrong
41.81996-07-19241°04'N / 79°13'W40°59'N / 79°04'W2.50 Miles100 Yards0025K5KJefferson
 Brief Description: A tornado began in Clarion County about 6 miles north of New Bethlehem. It tracked southeast into Jefferson County through Langville. The tornado lifted 1.5 miles west of Oliveburg. The tornado uprooted trees and rolled a mobile home, about a mile north of Truittsburg in Clarion County. The tornado also damaged some homes and farms, crops and downed extensive swaths of trees along its path. The tornado moved mainly in a straight line and averaged about 100 yards in width.
43.41964-06-15240°18'N / 79°33'W2.00 Miles800 Yards04250K0Westmoreland
45.61998-06-02340°03'N / 79°13'W39°45'N / 79°05'W26.00 Miles1760 Yards0000Somerset
 Brief Description: The second tornado of the evening, and the third to strike Somerset County in 3 days, this F3 was by far the longest and strongest of the trio. The storm created a path of damage 33 or more miles long, from Fayette County southeast across southern Somerset County into Maryland. The tornado crossed into Somerset County just southwest of the Seven Springs resort, tracked 26 miles across the county to the Maryland state line, 5 miles southeast of Salisbury. From there, the tornado continued southeast for more than 5 miles to Frostburg, Maryland. It, too, would cross the path of the May 31st storm, just 3 miles east of Salisbury. In some locations, the tornado was up to one mile wide. Damage from this tornado was rated at F3 on the fujita scale, with winds of 158 to 206 mph. Many farms were completely destroyed as this tornado moved through generally rural areas in southern Somerset County. A family in Laurel Falls near Summit Mills and St. Paul took shelter in a basement corner behind a television set. As the twister passed, they looked up to find all three stories of their house were gone, along with eight rows of foundation blocks. A battery operated clock found the next morning had stopped at 9:38 p.m. A neighbor told of losing electricity, then getting a phone call from his brother to warn him. He and his family took shelter in a hall closet because they had no basement. They told of hearing a buzzing noise like a giant bee's nest. Another neighbor found her mobile home flipped on its roof after taking shelter at her son's house. When the first tornado of the evening missed a Laurel Falls family mobile home, they proceeded to a neighbor's home. The second storm blew the trailer off its foundation. Residents of Boynton were cleaning up trees with chainsaws and front end loaders from the first tornado around 7:30pm when firefighters came by and told them to get back inside because another tornado was on its way. The second tornado broke all the windows from one house, ripped the roof off another and a barn. One person told of seeking shelter from rain in a shed when the first tornado passed, then going to the home basement when the second came through, mentioning that she was unable to pull the basement door shut behind her. The shed disappeared during the second storm. Estimated damage from the Tuesday evening tornadoes included 30 to 40 properties, including permanent and seasonal residences and farms. There were no deaths or injuries from this severe tornado. However, over 100 head of cattle were killed in one barn alone, which was completely destroyed. Many other farms lost tens of cattle and other livestock.
45.91980-06-03440°37'N / 79°42'W40°36'N / 79°33'W7.60 Miles33 Yards00250.0M0Westmoreland
46.21985-05-31440°44'N / 78°50'W41°26'N / 79°31'W11.00 Miles350 Yards0525.0M0Venango
47.31976-07-11241°19'N / 79°12'W40°58'N / 78°54'W28.70 Miles33 Yards17250K0Jefferson
47.71983-05-22240°18'N / 79°47'W40°20'N / 79°30'W14.00 Miles200 Yards062.5M0Westmoreland
47.81975-06-05240°45'N / 77°55'W00250K0Centre
48.01986-09-23240°58'N / 79°26'W0.50 Mile40 Yards012.5M0Armstrong
48.11996-07-19241°05'N / 79°19'W41°04'N / 79°13'W7.50 Miles100 Yards0025K5KClarion
 Brief Description: A tornado began in Clarion County about 6 miles north of New Bethlehem. It tracked southeast into Jefferson County through Langville. The tornado lifted 1.5 miles west of Oliveburg. The tornado uprooted trees and rolled a mobile home, about a mile north of Truittsburg in Clarion County. The tornado also damaged some homes and farms, crops and downed extensive swaths of trees along its path. The tornado moved mainly in a straight line and averaged about 100 yards in width.


* 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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