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Boyertown, PA Natural Disasters and Weather Extremes

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

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

Earthquake Index, #517

Boyertown, PA
0.19
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

Boyertown, 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, #112

Boyertown, PA
158.73
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 7,007 other weather extremes events within 50 miles of Boyertown, PA were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:6Cold:68Dense Fog:56Drought:147
Dust Storm:0Flood:1,067Hail:760Heat:247Heavy Snow:143
High Surf:24Hurricane:0Ice Storm:18Landslide:0Strong Wind:330
Thunderstorm Winds:2,780Tropical Storm:4Wildfire:32Winter Storm:112Winter Weather:188
Other:1,025 

Volcanos Nearby

No volcano is found in or near Boyertown, PA.

Historical Earthquake Events

A total of 5 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Boyertown, PA.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude
46.31964-05-124.53340.2-76.5
47.61984-04-234.4539.92-76.36
43.51973-02-283.81439.72-75.44
30.71980-03-113.7540.16-75.1
27.01980-03-053.5540.19-75.16

Historical Tornado Events

A total of 61 historical tornado events that had recorded magnitude of 2 or above found in or near Boyertown, PA.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
5.41960-06-24240°24'N / 75°37'W40°19'N / 75°28'W9.40 Miles200 Yards00250K0Berks
8.61979-09-05240°21'N / 75°48'W1.00 Mile30 Yards00250K0Berks
9.41984-07-05240°28'N / 75°38'W40°28'N / 75°35'W2.50 Miles300 Yards002.5M0Berks
10.11984-07-05240°27'N / 75°46'W40°28'N / 75°42'W3.00 Miles300 Yards002.5M0Berks
10.31984-07-05240°26'N / 75°49'W40°29'N / 75°40'W7.00 Miles300 Yards022.5M0Berks
10.51984-07-05240°29'N / 75°42'W40°29'N / 75°38'W3.00 Miles300 Yards002.5M0Berks
10.71984-07-05240°28'N / 75°35'W40°29'N / 75°32'W2.50 Miles300 Yards002.5M0Lehigh
11.11984-07-05240°29'N / 75°38'W40°30'N / 75°35'W2.50 Miles300 Yards002.5M0Berks
12.81984-07-05240°30'N / 75°35'W40°31'N / 75°32'W2.50 Miles300 Yards002.5M0Lehigh
13.51961-06-08240°12'N / 75°27'W1.00 Mile200 Yards0125K0Montgomery
14.11998-05-31340°29'N / 75°54'W40°29'N / 75°44'W8.30 Miles120 Yards071.4M0Berks
 Brief Description: A violent thunderstorm produced a swath of wind damage across the northern half of Berks County and included an eight mile long strong F3 (Fujita Scale) Tornado that devastated the borough of Lyons. Seven persons were injured (five within Lyons). About 40 homes were either destroyed or damaged in Lyons, Maiden Creek, Maxatawny and Richmond Townships. Preliminary damage estimates for the entire event were placed at $1.5 million dollars. About 10,250 homes and businesses lost power. The last homes to come back on line were in Lyons on June 3rd. This was the first tornado of that strength to occur in Southeast Pennsylvania and the Southern Poconos since the Limerick Tornado on July 27, 1994 and the first F3 tornado to occur within Berks County since November 4, 1950. Even before the tornado formed, the parent thunderstorm was producing wind damage in western Berks County. Wind damage started in Centre Township as several trailers were overturned in Donny Acres. In Leesport, the severe thunderstorm ripped the entire roof off one home. The couple in the house was temporarily trapped after the porch roof they use to access the stairs collapsed. The thunderstorm also ripped the roof and some bricks off a detached garage. Other houses and buildings on East Main Street also had some minor wind damage. Debris from a knitting company's air conditioning unit pelted a neighborhood. Wind damage also occurred in Ontelaunee Tonship along Pennsylvania State Route 61. The tornado made its initial touchdown just to the east of Lake Ontelaunee in Maiden Creek Township around 9 p.m. EDT and moved almost due east across Richmond Township into the borough of Lyons (about 910 p.m. EDT), across southern Maxatawny Township and lifted in northern Rockland Township and 915 p.m. EDT. The tornado was on the ground for about 8.3 miles. Its path width was around 120 yards. The tornado destruction started near U.S. Route 222 in Maiden Creek Township as the roof was blown off one farmhouse. A vehicle was also crushed by a tree. In Maxatawny Township six homes were severely damaged. One house collapsed on Smoketown Road in the Bowers area. A second house lost its roof in the Arrowhead Development. The damage increased across Richmond Township as 10 homes or farms were destroyed or damaged. Pennsylvania State Route 662 was closed between U.S Route 222 and the Fleetwood Borough line because of downed poles and trees. Parts of U.S. Route 222 were also closed because of debris on the road. One house completely collapsed. At one farm the tornado toppled a huge silo and ripped off the roofs of another silo and the barn. At another home, the remains of a large metal storage bin rested on top of the house. Golf ball size hail also damaged two vehicles and a metal awning. The same parent thunderstorm also produced straight line wind damage farther south in Ruscombmanor Township. The worst damage occurred in the borough of Lyons. The north side of the borough was destroyed. About one quarter of the borough's 550 residents were affected by the tornado. The tornado damage within this borough led to a presidential declaration of a disaster area for Berks County. About 100 residents were sheltered. The tornado cut a two block wide path along Hunter Street just north of the Conrail Tracks. About 25 homes were heavily damaged, several collapsed. Miraculously, only five persons were injured. The last two tornado related injuries occurred in northern Rockland Township as it lifted and threw a modular home from its foundation. The two men inside were injured. The tornado then lifted. Although the tornado lifted, the parent thunderstorm still produced wind damage across eastern Berks County. Noble Street was closed in Kutztown because of downed trees and lines. Trees were also uprooted in Longswamp Township. Downed limbs and wires caused power outages in District, Greenwich, Longswamp and Rockland Townships.
14.71979-10-05240°21'N / 75°55'W1.00 Mile40 Yards0125K0Berks
18.91975-04-03240°02'N / 75°40'W40°05'N / 75°39'W3.00 Miles20 Yards003K0Chester
19.11950-11-04340°16'N / 76°04'W40°24'N / 75°56'W11.20 Miles100 Yards00250K0Berks
19.81956-08-13240°15'N / 75°18'W40°16'N / 75°15'W1.30 Miles333 Yards0025K0Montgomery
19.81950-07-05240°35'N / 75°42'W40°39'N / 75°28'W12.90 Miles33 Yards0225K0Lehigh
22.41960-06-24240°12'N / 75°15'W0.80 Mile27 Yards00250K0Montgomery
22.91955-03-22339°58'N / 75°37'W40°03'N / 75°28'W9.60 Miles600 Yards10250K0Chester
24.91950-11-04340°12'N / 76°07'W40°16'N / 76°04'W4.70 Miles100 Yards01250K0Lancaster
29.91992-07-17239°54'N / 75°47'W39°55'N / 75°43'W4.00 Miles100 Yards00250K0Chester
30.11973-06-29239°56'N / 75°29'W39°54'N / 75°27'W1.90 Miles63 Yards0025K0Delaware
31.51981-07-26340°46'N / 75°35'W40°48'N / 75°31'W3.30 Miles50 Yards02250K0Northampton
31.61992-08-28239°57'N / 75°58'W2.00 Miles100 Yards03250K0Chester
32.81996-11-08240°48'N / 75°32'W40°48'N / 75°32'W2.00 Miles67 Yards01250K0Northampton
 Brief Description: A tornado touched down in northwestern Northampton County near Danielsville at about 340 pm EST. It remained on the ground for about two miles and lifted prior to moving over the Blue Mountain Ridge which is the dividing line between Northampton and Monroe Counties. One person was injured and two families were made homeless after their homes were destroyed. About a dozen homes were damaged, two were destroyed, three vehicles were damaged or destroyed and significant roof damage occcurred to the Salem United Methodist Church. Damage estimates were around $250,000. The tornado was rated an F2 (or strong tornado with wind estimates between 113 and 157 mph) on the Fujita Scale. Lehigh Township was declared an emergency area. The tornado touched down near the Blue Mountain Road just south of Pennsylvania State Route 946. One of the first buildings in its path was the Salem United Methodist Church which lost part of its roof and a vehicle near the church was destroyed. It proceeded eastnortheast through Danielsville. An elderly woman was injured when the tornado struck the mobile home she was in and pushed it off its foundation. Another unoccupied 70 foot by 14 foot mobile home was tossed into a ditch 50 feet away. The roof of another house was found 100 feet downwind. A playhouse and a metal school bus shelter were deposited in the trees. Numerous trees were either snapped or damaged, but the majority of damage to other homes along the periphery of the tornado's path was limited to windows and chimneys. Prior to the tornado's touch down, the same parent thunderstorm did produce some damaging winds in Treichlers along Long Lane Road.
33.41970-06-18340°24'N / 76°18'W40°24'N / 76°14'W1.90 Miles880 Yards152.5M0Lebanon
33.61981-04-29240°49'N / 75°35'W0025K0Carbon
33.71973-06-29240°14'N / 75°02'W40°15'N / 74°59'W1.90 Miles100 Yards0025K0Bucks
36.01974-08-17239°57'N / 76°06'W0.70 Mile33 Yards0025K0Lancaster
37.41975-10-11240°17'N / 76°29'W40°10'N / 76°11'W17.50 Miles33 Yards002.5M0Lebanon
37.51989-06-09239°57'N / 75°09'W39°57'N / 75°07'W0.50 Mile50 Yards0125K0Philadelphia
37.51962-05-24240°19'N / 74°57'W40°18'N / 74°54'W1.90 Miles67 Yards0025K0Bucks
37.61998-06-01240°07'N / 75°02'W40°05'N / 74°57'W5.60 Miles200 Yards001.8M0Philadelphia
 Brief Description: A tornado ripped through Upper and Lower Moreland Townships as well as extreme northeast Philadelphia during the early morning of June 1st. The tornado was rated as an F1 (A weak tornado on the Fujita Scale) in Montgomery County and intensified into an F2 (or strong tornado on the Fujita Scale) within Philadelphia. The worst damage occurred within the unoccupied Byberry Industrial Park as the tornado reached its strongest intensity. Thirty-five commercial buildings were damaged, nine severely. Damage outside of the industrial park was mainly confined to downed trees. About ten homes were damaged by fallen trees. The damage within Philadelphia was discontinuous suggesting the tornado was not on the ground for its entire lifetime across the city. Damage was estimated at $1.8 million dollars. Because the buildings were unoccupied, no injuries occurred. The tornado moved into the city from Lower Moreland Township in the Bustleton/Lumar Park area around 120 a.m. EDT. Trees were split and knocked down. The tornado intensified into a strong one (F2 on the Fujita Scale) as it crossed into the Byberry Industrial Park. The worst damage was done in the area around Byberry Road, McNulty Road, Roosevelt Boulevard and Southampton Road. Five ton air conditioning units were tossed. Of the 35 commercial buildings damaged, nine were severely damaged and declared "imminently dangerous". Slabs of the roof were tossed 200 yards. Some buildings lost entire sides, had buckled steel beams, shattered windows and crushed equipment. The tornado plucked utility poles from the ground. About 20 poles were knocked over. Five teams of tree service personnel were overwhelmed. Damage south of the industrial park became sporadic as the tornado turned toward the southeast. It lifted just before the Bucks County border near Woodhaven Road just to the southeast of the Franklin Mills Mall. Its path length was about 5.6 miles and path width about 200 yards. PECO Energy reported 34,000 customers in Philadelphia lost power. Five thousand still did not have power the evening of the 1st. It was the worst non-winter storm in PECO Energy's 50 year history and the fourth worst overall. According to their lightning detection system, there were 7,000 cloud to ground lightning strikes in their service area as this line of thunderstorms moved through.
38.01989-06-09239°47'N / 75°41'W2.00 Miles100 Yards012.5M0New Castle
38.01990-10-18239°47'N / 75°35'W1.00 Mile430 Yards00250K0New Castle
38.41998-05-31239°54'N / 76°10'W39°55'N / 76°03'W7.00 Miles880 Yards0000Lancaster
 Brief Description: The tornado struck about 12:30am EDT in the early morning hours of Monday, June 1st. Initial touchdown was just south of Quarryville. The tornado traveled east along a 7 mile path to Ninepoints. Damage was most extensive in the Ninepoints area and was rated an F2 intensity (112 to 157 mph). The width of the F2 damage was probably 100 to 200 yards wide with lesser damage extending out to 1/2 mile. At least 6 homes had significant damage. One home had the roof and second floor removed. Several barns were damaged and at least one destroyed. Trees were blown down on a number of homes. One person reported sighting the tornado. Only one minor injury was reported.
38.51979-09-05239°46'N / 75°44'W39°48'N / 75°48'W4.10 Miles63 Yards142.5M0Chester
38.61958-07-14239°56'N / 75°08'W39°56'N / 75°07'W003K0Philadelphia
38.81989-06-09239°57'N / 75°07'W39°57'N / 75°05'W1.50 Miles50 Yards00250K0Camden
38.81979-09-05239°47'N / 75°29'W2.50 Miles200 Yards05250K0New Castle
39.51992-07-17240°24'N / 76°23'W1.00 Mile30 Yards00250K0Lebanon
41.71958-07-14239°56'N / 75°07'W39°58'N / 74°56'W9.80 Miles27 Yards000K0Philadelphia
42.51992-07-15240°53'N / 76°00'W1.50 Miles50 Yards022.5M0Schuylkill
42.71979-10-05240°54'N / 75°19'W0.30 Mile100 Yards0025K0Monroe
43.12004-09-28239°41'N / 75°36'W39°44'N / 75°35'W5.00 Miles150 Yards001.0M0New Castle
 Brief Description: An F2 (on the Fujita scale) tornado touched down in northern New Castle County with maximum winds estimated at 130 mph. The path length was 5.0 miles long with a maximum path width of 150 yards. The tornado touched down near and was observed at the New Castle County Airport. The northern end of the tornado track was in Elsmere. Significant damage did occur along the path of this tornado, particularly to some of the planes at the airport and industrial buildings near the airport. In addition, five persons were injured. The tornado damaged five C-130 cargo planes at the New Castle County Airport, caused thousands of pounds of jet fuel to spill and damaged hangers. It tore through the Newport Industrial Park along Delaware State Route 141. It tossed long strips of metal siding into the air and onto roads. Windows were shattered, walls peeled away and trees and light poles were snapped. The roof and whole side of the United Electric Supply building was torn away. Delaware State Route 141 and some nearby side streets were closed. Gas service was shut off to prevent explosions. On Bellecor Drive, a self-storage facility suffered major damage. One man at the business was injured after he was trapped under a fallen refrigerator. Three people were injured at the airport itself. A man in Elsmere was hit by a fallen tree limb. The tornado also caused damaged to homes in Wilmington Manor and Chelsea Estates near the airport. In Elsmere, the tornado tore shingles and vent covers from the Corpus Christi Elementary School. The ensuing heavy rain damaged the gymnasium. In the Red Clay Consolidated School District, the tornado also caused minor damage to the Richardson Park Elementary School.
43.31953-11-23240°06'N / 76°24'W0.10 Mile20 Yards003K0Lancaster
43.51988-08-17239°43'N / 75°28'W1.50 Miles400 Yards00250K0Salem
43.61960-07-14239°43'N / 75°26'W39°44'N / 75°23'W2.30 Miles450 Yards00250K0Salem
44.51973-02-02240°36'N / 74°52'W0.30 Mile100 Yards003K0Hunterdon
44.91961-07-29239°59'N / 76°30'W40°02'N / 76°15'W13.40 Miles500 Yards022.5M0Lancaster
44.91960-07-14239°44'N / 75°23'W39°46'N / 75°08'W13.30 Miles450 Yards060K0Gloucester
46.11961-04-28339°40'N / 75°34'W0.30 Mile30 Yards0025K0New Castle
46.21988-08-17240°17'N / 74°47'W40°13'N / 74°45'W4.50 Miles200 Yards002.5M0Mercer
46.31981-07-20240°51'N / 75°09'W40°55'N / 75°07'W4.10 Miles67 Yards0025K0Northampton
46.41962-05-24240°18'N / 74°54'W40°17'N / 74°37'W14.70 Miles300 Yards01250K0Mercer
46.51989-06-15240°02'N / 76°26'W40°00'N / 76°24'W3.00 Miles100 Yards002.5M0Lancaster
47.01990-10-18340°29'N / 74°46'W0.50 Mile100 Yards082.5M0Somerset
47.11968-09-10240°58'N / 75°58'W0025K0Luzerne
47.52009-07-29240°55'N / 75°15'W40°58'N / 75°11'W5.00 Miles100 Yards021.0M0KMonroe
 Brief Description: EVENT NARRATIVE: An EF-2 tornado with estimated maximum wind speeds of 120 mph touched down and affected Hamilton and Stroud Townships. The highest wind speeds and worst reported damage occurred on Middle Road in Hamilton Township and Stroudsmoor Road in Stroud Township. Two men were injured and about 10,000 homes and businesses lost power. Hundreds of trees were destroyed and at least 25 telephone poles had to be replaced. Power was not fully restored until the 31st. In Hamilton Township, two homes suffered roof damage and four large farm buildings and one garage were destroyed. In Stroud Township, one home lost its roof, two others had trees on their roofs and a section of a resort building lost its roof. This was the first reported tornado in Monroe County since July 1, 2001 and the first reported EF2 or F2 tornado in the county since October 5, 1979. The tornado touched down southwest of Kemmertown Road in Hamilton Township before causing substantial damage to the Blakeslee Farm near the intersection of Middle and Blakeslee Roads. On Kemmertown Road, a downed tree damaged a porch at an assisted living facility. At the Blakeslee Farm, the tornado destroyed three barns and a garage shed and took the roof and attic off of the home. A 46-year-old man suffered facial and rib injuries and a 66-year-old man suffered a head injury as the garage shed collapsed. In addition to the property damage, the tornado damaged the corn, hay, wheat and oat crops on the farm. Thirty percent of the trees on the property were destroyed . The tornado then lifted, causing only relatively minor damage as it followed Middle Road into Stroud Township. However, more substantial damage again occurred from Larsens Lane northeast to Fox Run Road and Essig Lane. More damage occurred as the tornado crossed Stroudsmoor Road, where numerous trees were felled, and roof damage occurred to the Stroudsmoor Country Inn. A downed tree also damaged a home on Stroudsmoor Road. Another downed tree damaged a home on Pennsylvania State Route 191. The tornado lifted just before it moved over the intersections of Routes 191 and 611 (Foxtwon Hill Road) just south of Stroudsburg. The tornado was on the ground for about 4.6 miles and its maximum width was about 100 yards. Damage was estimated at 1 million dollars. EPISODE NARRATIVE: A warm front retreating to the north and a cold front approaching from the west produced strong to severe thunderstorms across eastern Pennsylvania during the afternoon of the 29th. One EF-2 tornado also occurred.
48.41989-06-15240°02'N / 76°30'W40°02'N / 76°26'W4.00 Miles100 Yards03250K0Lancaster
48.82002-05-02239°39'N / 76°00'W39°42'N / 75°57'W4.50 Miles160 Yards00330K0Cecil
 Brief Description: The first F2 (on the Fujita Scale) tornado in 21 years struck Cecil County during the late afternoon of the 2nd. About 21 homes, silos, sheds and barns sustained moderate to extensive damage. One family was displaced as their house was condemned because of the wind damage. Many large trees and utility poles were splintered, uprooted or snapped. Marble size hail was also reported. No serious injuries were reported. Damage was estimated at $330,000. The path length was 4.5 miles. The maximum path width was 160 yards. The tornado initially touched down just to the west of England Creamery Road about 5 miles southeast of Rising Sun at 538 p.m. EDT. The tornado's intensity was F0 to F1 as it moved across England Creamery and Trinity Church Roads. One house on Trinity Church Road had its windows broken, its porch splintered and its roof damaged. A second house on the road had its porch torn away and shingles ripped from the roof. The homeowner's barn and its content was destroyed. Their lawn chairs and hedge trimmers were found half a mile away. One of the two points that the tornado reached its maximum intensity of F2 occurred when it moved through the Tailwind Estates on Steeplechase Lane. Three homes were heavily damaged. One house (the condemned one) had half its roof torn away and its chimney crash through its deck. The homeowner's SUV vehicle was displaced 25 feet and a shed on the block was tossed over 100 yards. The tornado's intensity again peaked at F2 as it moved through a wooded area north of Old Elm Road and west of Blue Ball Road. Extensive tree damage occurred. The second floor of a new home under construction in the area also collapsed. During the last half mile of its existence, the tornado weakened and did not remain on the ground the entire time. It dissipated around the intersection of Fairview Road and Maryland State Route 273 at 545 p.m. EDT.
48.91981-07-26240°52'N / 76°15'W0025K0Schuylkill


* 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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