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Potts Grove, PA Natural Disasters and Weather Extremes

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

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

Earthquake Index, #1291

Potts Grove, PA
0.03
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

Potts Grove, 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, #1367

Potts Grove, PA
101.94
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 2,960 other weather extremes events within 50 miles of Potts Grove, PA were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:3Cold:23Dense Fog:18Drought:54
Dust Storm:0Flood:358Hail:424Heat:90Heavy Snow:70
High Surf:0Hurricane:0Ice Storm:12Landslide:0Strong Wind:101
Thunderstorm Winds:1,589Tropical Storm:1Wildfire:2Winter Storm:48Winter Weather:51
Other:116 

Volcanos Nearby

No volcano is found in or near Potts Grove, PA.

Historical Earthquake Events

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

No historical earthquake events found in or near Potts Grove, PA.

Historical Tornado Events

A total of 27 historical tornado events that had recorded magnitude of 2 or above found in or near Potts Grove, PA.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
8.41978-08-28240°53'N / 76°52'W40°51'N / 76°48'W3.30 Miles50 Yards0125K0Snyder
8.71978-08-28240°51'N / 76°48'W40°52'N / 76°46'W0025K0Northumberland
11.11985-05-31341°09'N / 76°55'W41°07'N / 76°50'W4.00 Miles2640 Yards22025.0M0Northumberland
13.41985-05-31341°08'N / 76°58'W41°09'N / 76°55'W4.00 Miles910 Yards22025.0M0Union
18.31985-05-31341°11'N / 77°09'W41°08'N / 76°58'W11.00 Miles910 Yards22025.0M0Lycoming
20.11976-07-29341°12'N / 77°16'W41°14'N / 76°47'W25.00 Miles150 Yards002.5M0Lycoming
23.31966-08-16241°18'N / 77°00'W41°18'N / 76°54'W4.50 Miles100 Yards0125K0Lycoming
24.01953-09-12240°40'N / 76°41'W40°39'N / 76°35'W4.70 Miles50 Yards003K0Northumberland
26.71950-07-05240°36'N / 76°45'W003K0Dauphin
27.31982-04-17241°12'N / 76°24'W41°15'N / 76°21'W4.00 Miles30 Yards0125K0Columbia
29.41981-07-26240°52'N / 76°15'W0025K0Schuylkill
32.01980-04-09240°44'N / 77°19'W40°43'N / 77°17'W00250K0Snyder
37.91954-09-19241°31'N / 76°40'W41°29'N / 76°25'W12.80 Miles50 Yards0025K0Sullivan
38.21974-04-14241°25'N / 76°33'W41°32'N / 76°21'W12.80 Miles100 Yards0025K0Sullivan
39.21984-07-06241°17'N / 76°09'W0.30 Mile300 Yards012250K0Luzerne
41.91992-07-15240°53'N / 76°00'W1.50 Miles50 Yards022.5M0Schuylkill
43.01968-09-10240°58'N / 75°58'W0025K0Luzerne
44.01985-05-31441°10'N / 77°52'W41°13'N / 77°19'W29.00 Miles3330 Yards0025.0M0Clinton
44.31967-09-21240°25'N / 77°11'W0.10 Mile30 Yards00250K0Perry
45.71992-07-17240°24'N / 76°23'W1.00 Mile30 Yards00250K0Lebanon
46.52006-12-01241°04'N / 76°04'W41°10'N / 75°46'W20.00 Miles150 Yards051.0M0KLuzerne
 Brief Description: EVENT NARRATIVE: At 4:52 pm EST, Friday, December 1st, a tornado touched down near Hobbie in Luzerne County. The tornado tracked about 20 miles east northeast through Dorrance, Mountaintop, and Fairview Heights to Bear Creek where it lifted. Most of the damage was F1 intensity with F2 intensity reached in Fairview Heights near route 309. A grocery store in Fairview heights had its windows blown out which injured 5 people. There was significant roof damage as well. An 8000 pound air conditioning unit was toppled on the roof of this grocery store. A roof was lifted off of a well built home approximately a quarter mile to the east northeast of the grocery store. Thousands of trees were blown down and uprooted along the path of this tornado. Shingle and roof damage was common along the entire path of this tornado too. Over 100 homes sustained at least minor damage. Two trailer homes and a construction trailer were completely destroyed. There was also minor damage to a high school in Fairview Heights. A roof was blown off the fire department in Dorrance. EPISODE NARRATIVE: A persistent ridge of high pressure brought unseasonably mild temperatures to the northeast U.S. A sharp cold front formed a line of strong to severe thunderstorms which blew through Pennsylvania Friday afternoon. Winds from these thunderstorms knocked down numerous trees and power lines. Along with the severe thunderstorms, three tornadoes touched down in northeast Pennsylvania, the first occurrence of tornado touch downs in Pennsylvania during the month of December on record.
47.81952-07-23240°37'N / 77°34'W0425K0Mifflin
48.51957-11-19240°18'N / 76°35'W2.00 Miles13 Yards0025K0Lebanon
48.81970-06-18340°24'N / 76°18'W40°24'N / 76°14'W1.90 Miles880 Yards152.5M0Lebanon
49.61970-03-26240°16'N / 76°46'W2.50 Miles50 Yards00250K0Dauphin
49.72004-07-14340°17'N / 76°35'W40°17'N / 76°35'W7.50 Miles500 Yards0018.0M0Lebanon
 Brief Description: Thunderstorms spawned a strong F3 tornado in southern Lebanon County during the afternoon of July 14. The tornado first touched down in far western Lebanon County at 3:05 pm EDT, about 1 mile west of the town of Campbelltown. The tornado traveled east, and struck a housing development about one quarter mile south of Route 322. A total of 32 homes were destroyed, with another 37 homes sustaining significant damage. An additional 50 homes and 9 farm buildings in the area were damaged by downburst winds associated with the thunderstorm which spawned the tornado. The tornado continued along a path to the east for seven and one half miles. The tornado crossed Route 322 west of Mount Pleasant, and continued east, mainly across fields, until it lifted up about 2 miles northwest of the town of Cornwall at 3:15 pm EDT. The width of the tornado was one quarter mile. Although the tornadic damage was confined to the path described, additional damage occurred outside this path, again associated with downburst winds from the parent thunderstorm. Winds were estimated between 175 and 200 MPH, making this a strong F3 tornado on the Fujita scale. The tornado injured 24 persons, one critically. There were no deaths. The American Red Cross opened a mass care center, where over 50 people required assistance with sheltering. Between 25,000 and 30,000 customers lost power in Lebanon and Berks Counties as a result of the storms.
50.01967-10-18240°13'N / 76°45'W40°19'N / 76°36'W10.20 Miles30 Yards011250K0Dauphin


* 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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