Willow Hill, PA Natural Disasters and Weather Extremes
The chance of earthquake damage in Willow Hill is about the same as Pennsylvania average and is much lower than the national average. The risk of tornado damage in Willow Hill is lower than Pennsylvania average and is lower than the national average.
Earthquake Index, #1236
| Willow Hill, 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
| Willow Hill, 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, #2085
| Willow Hill, PA | 68.03 |
| 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 2,785 other weather extremes events within 50 miles of Willow Hill, PA were recorded from 1950 to 2010. The following is a break down of these events:
| Type | Count | Type | Count | Type | Count | Type | Count | Type | Count |
| Avalanche: | 0 | Blizzard: | 2 | Cold: | 12 | Dense Fog: | 1 | Drought: | 10 |
| Dust Storm: | 0 | Flood: | 432 | Hail: | 442 | Heat: | 22 | Heavy Snow: | 34 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 10 | Landslide: | 0 | Strong Wind: | 31 |
| Thunderstorm Winds: | 1,610 | Tropical Storm: | 1 | Wildfire: | 1 | Winter Storm: | 23 | Winter Weather: | 1 |
| Other: | 153 | ||||||||
Volcanos Nearby
No volcano is found in or near Willow Hill, PA.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Willow Hill, PA.
No historical earthquake events found in or near Willow Hill, PA.
Historical Tornado Events
A total of 21 historical tornado events that had recorded magnitude of 2 or above found in or near Willow Hill, PA.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 14.7 | 1961-04-16 | 3 | 40°03'N / 77°31'W | 0 | 0 | 250K | 0 | Cumberland | |||
| 23.1 | 1989-06-20 | 2 | 40°22'N / 77°30'W | 2.00 Miles | 23 Yards | 0 | 1 | 25K | 0 | Perry | |
| 29.0 | 1955-08-19 | 2 | 40°24'N / 77°23'W | 0 | 0 | 25K | 0 | Chester | |||
| 30.8 | 1976-03-21 | 2 | 39°56'N / 77°15'W | 1.00 Mile | 50 Yards | 0 | 0 | 25K | 0 | Adams | |
| 36.0 | 1989-11-20 | 2 | 40°37'N / 77°49'W | 40°39'N / 77°47'W | 3.50 Miles | 1230 Yards | 0 | 0 | 25K | 0 | Huntingdon |
| 36.7 | 1952-07-23 | 2 | 40°37'N / 77°34'W | 0 | 4 | 25K | 0 | Mifflin | |||
| 38.0 | 1967-09-21 | 2 | 40°25'N / 77°11'W | 0.10 Mile | 30 Yards | 0 | 0 | 250K | 0 | Perry | |
| 39.5 | 1991-09-18 | 2 | 40°40'N / 77°49'W | 40°42'N / 77°47'W | 4.00 Miles | 330 Yards | 0 | 3 | 250K | 0 | Huntingdon |
| 39.7 | 1980-06-07 | 2 | 40°01'N / 77°04'W | 40°02'N / 77°01'W | 2.30 Miles | 800 Yards | 0 | 0 | 2.5M | 0 | Adams |
| 40.4 | 1983-05-22 | 3 | 39°42'N / 77°15'W | 39°42'N / 77°14'W | 1.00 Mile | 37 Yards | 0 | 0 | 25K | 0 | Frederick |
| 41.0 | 1983-05-22 | 3 | 39°42'N / 77°14'W | 39°43'N / 77°12'W | 1.00 Mile | 37 Yards | 0 | 0 | 25K | 0 | Carroll |
| 41.2 | 1954-04-25 | 2 | 39°50'N / 77°14'W | 39°48'N / 76°59'W | 13.30 Miles | 500 Yards | 0 | 0 | 25K | 0 | Adams |
| 42.4 | 1980-06-07 | 3 | 39°56'N / 77°01'W | 1.50 Miles | 400 Yards | 0 | 0 | 250K | 0 | Adams | |
| 42.6 | 1980-06-07 | 2 | 40°02'N / 77°01'W | 40°02'N / 76°57'W | 3.30 Miles | 33 Yards | 0 | 0 | 2.5M | 0 | York |
| 44.0 | 1992-10-09 | 2 | 40°07'N / 76°57'W | 2.00 Miles | 100 Yards | 0 | 0 | 2.5M | 0 | York | |
| 44.6 | 1975-06-05 | 2 | 40°45'N / 77°55'W | 0 | 0 | 250K | 0 | Centre | |||
| 46.8 | 1978-08-28 | 2 | 39°48'N / 77°02'W | 39°45'N / 77°00'W | 3.30 Miles | 20 Yards | 0 | 0 | 3K | 0 | Adams |
| 48.1 | 1985-07-31 | 2 | 40°10'N / 76°54'W | 40°09'N / 76°51'W | 3.00 Miles | 20 Yards | 0 | 2 | 250K | 0 | Lancaster |
| 49.4 | 1980-04-09 | 2 | 40°44'N / 77°19'W | 40°43'N / 77°17'W | 0 | 0 | 250K | 0 | Snyder | ||
| 49.4 | 1978-08-28 | 2 | 39°45'N / 77°00'W | 39°43'N / 76°59'W | 1.90 Miles | 33 Yards | 0 | 0 | 3K | 0 | York |
| 49.8 | 2001-09-24 | 2 | 39°44'N / 76°59'W | 39°48'N / 76°56'W | 5.00 Miles | 200 Yards | 0 | 0 | 900K | 0 | York |
| 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. | |||||||||||
* 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.