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Guilford, PA Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Guilford is about the same as Pennsylvania average and is much lower than the national average. The risk of tornado damage in Guilford 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, #1182

Guilford, PA
0.04
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

Guilford, 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, #1346

Guilford, PA
103.02
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 3,754 other weather extremes events within 50 miles of Guilford, PA were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:3Cold:31Dense Fog:17Drought:21
Dust Storm:0Flood:553Hail:586Heat:50Heavy Snow:62
High Surf:0Hurricane:0Ice Storm:21Landslide:0Strong Wind:74
Thunderstorm Winds:1,986Tropical Storm:2Wildfire:1Winter Storm:66Winter Weather:48
Other:233 

Volcanos Nearby

No volcano is found in or near Guilford, PA.

Historical Earthquake Events

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

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

Historical Tornado Events

A total of 31 historical tornado events that had recorded magnitude of 2 or above found in or near Guilford, PA.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
10.31961-04-16340°03'N / 77°31'W00250K0Cumberland
18.61976-03-21239°56'N / 77°15'W1.00 Mile50 Yards0025K0Adams
24.21983-05-22339°42'N / 77°15'W39°42'N / 77°14'W1.00 Mile37 Yards0025K0Frederick
24.91983-05-22339°42'N / 77°14'W39°43'N / 77°12'W1.00 Mile37 Yards0025K0Carroll
27.01954-04-25239°50'N / 77°14'W39°48'N / 76°59'W13.30 Miles500 Yards0025K0Adams
30.51980-06-07240°01'N / 77°04'W40°02'N / 77°01'W2.30 Miles800 Yards002.5M0Adams
30.91980-06-07339°56'N / 77°01'W1.50 Miles400 Yards00250K0Adams
31.61989-06-20240°22'N / 77°30'W2.00 Miles23 Yards0125K0Perry
32.41978-08-28239°48'N / 77°02'W39°45'N / 77°00'W3.30 Miles20 Yards003K0Adams
33.61980-06-07240°02'N / 77°01'W40°02'N / 76°57'W3.30 Miles33 Yards002.5M0York
34.71978-08-28239°45'N / 77°00'W39°43'N / 76°59'W1.90 Miles33 Yards003K0York
35.31955-08-19240°24'N / 77°23'W0025K0Chester
35.62001-09-24239°44'N / 76°59'W39°48'N / 76°56'W5.00 Miles200 Yards00900K0York
 Brief Description: A tornado touched down near Grand Valley Road at 17:33 EST about 5 miles South of Hanover PA. The tornado proceded northward, through Parkville then lifting to the north of Blooming Grove at 17:40 EST. The path of the tornado was about 5 miles in length but not always on the ground while the width varied from 50 to 200 yards. The top wind speeds were estimated at 110 to 120 mph. There were no injuries or deaths. Significant damage included 8 homes with roofs torn off, brick and structural damage to several additional homes, 50 to 75 trees knocked down, 38 cars damaged at a car dealership, significant roof and water damage to a middle school and administration building, and significant structural damage to a store complex northwest of Blooming Grove.
35.62004-09-17239°24'N / 77°33'W39°24'N / 77°39'W3.00 Miles200 Yards005K0Frederick
 Brief Description: An F2 tornado touched down in far northwest Frederick County, on the northwest edge of Catoctin Mountain Park. A thickly forested stand of hardwood trees was snapped off above the bases.
37.11992-10-09240°07'N / 76°57'W2.00 Miles100 Yards002.5M0York
37.81990-06-08239°49'N / 76°54'W1.00 Mile60 Yards01250K0York
38.01978-07-31239°24'N / 77°21'W1.50 Miles100 Yards0025K0Frederick
38.31996-07-19239°23'N / 77°42'W39°21'N / 77°42'W2.00 Miles125 Yards00400K75KWashington
 Brief Description: A moderate tornado (F2) tracked between two mountain ridges in extreme southern Washington Co, knocking down hundreds of trees, including several onto homes which caused substantial damage. At least one barn was completely destroyed in Yarrowsburg. The storm attained maximum strength just south of town (where the trees, including numerous hardwoods, were flattened). The tornado weakened considerably before dissipating along the eastern ridge. Structural and vehicle damage, though not as prevalent as the tree damage, included the following: Portions of roofs from two barns were blown off; minor residential damage, including shattered windows, unhinged shingles, and torn off trim/gutters. Some gravestones were overturned by the winds, and several power lines were knocked down. Several vehicles and vehicle windows were damaged.
39.31979-05-23239°35'N / 77°00'W2.00 Miles150 Yards002.5M0Carroll
39.91952-04-05339°48'N / 76°59'W39°57'N / 76°43'W17.50 Miles33 Yards042.5M0York
41.01967-09-21240°25'N / 77°11'W0.10 Mile30 Yards00250K0Perry
41.81985-07-31240°10'N / 76°54'W40°09'N / 76°51'W3.00 Miles20 Yards02250K0Lancaster
42.51978-08-28239°43'N / 76°59'W39°34'N / 76°47'W14.80 Miles33 Yards000K0Frederick
43.92004-09-17239°22'N / 78°02'W39°23'N / 78°02'W2.00 Miles100 Yards0625K0Berkeley
 Brief Description: A tornado touched down in Darkesville in southern Berkeley County. The F2 tornado produced extensive structural damage to homes and businesses in the area. The storm traveled north and toppled tractor trailers and vehicles on Interstate-81. At least 6 people were injured from the automobile accidents.
44.31989-11-16239°15'N / 77°47'W39°20'N / 77°48'W9.00 Miles50 Yards03250K0Jefferson
44.61996-07-19339°30'N / 76°59'W39°29'N / 76°57'W2.20 Miles350 Yards035.0M20KCarroll
 Brief Description: One of the most potent tornadoes in recorded history in the state of Maryland tracked for 2 and 1/4 miles through the Mystic Kane and Four Seasons subdivisions just off state route 32 northwest of Gamber. The tornado was a strong F3 (180 mph estimated winds) with multiple vortices. Homes and trees struck by individual vortices sustained the worst damage. There were several eyewitness accounts of the tornado/funnel cloud shortly before touchdown. In all, 66 structures sustained damage. Twelve single-family homes were destroyed, five which lost most of the second story and garages. Three persons were injured. Two children were injured when the tornado blew them out of the second level of one of the homes. Their father suffered cuts and bruises when a wall partially collapsed on him while he was trying the rescue the children. Another dozen homes were deemed temporarily uninhabitable with substantial roof and siding damage. An additional 37 homes, a couple of apartments, and another barn received some damage. Many material items were sucked out of the homes, from bicycles to jewelry. Several automobiles were damaged by fallen and/or flying debris. Debris littered the ground for miles. A barn along route 32 was completely destroyed, and pieces of it were found as far away as 3.5 miles to the southeast of the barn's original location. Dozens of trees were snapped, shredded, debarked, and uprooted. Corn stalks were sucked up leaving six inch stubs as the tornado crossed a field west of route 32. A corn stalk was embedded into the wall of a house 1/2 mile away from the stalk's original location. Numerous airborne missiles (large and small) were generated, puncturing holes into homes and becoming embedded into the ground. A refrigerator was found wrapped around a mailbox. A van was dragged 50 feet, then flipped over two times. Other vehicles were also damaged.
46.61977-04-05240°15'N / 76°50'W2.00 Miles67 Yards012.5M0Dauphin
46.91956-06-13239°57'N / 76°43'W0225K0York
48.41952-07-23240°37'N / 77°34'W0425K0Mifflin
48.71963-03-27240°00'N / 76°51'W40°03'N / 76°32'W17.00 Miles20 Yards0025K0York
48.81969-07-27240°04'N / 76°42'W0.30 Mile100 Yards00250K0York


* 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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