Altmar-Parish-Williamstown Central School District Natural Disasters and Weather Extremes
The chance of earthquake damage in Altmar-Parish-Williamstown Central School District is lower than New York average and is much lower than the national average. The risk of tornado damage in Altmar-Parish-Williamstown Central School District is lower than New York average and is much lower than the national average.
Earthquake Index, #698
| Altmar-Parish-Williamstown Central School District | 0.03 |
| New York | 0.58 |
| 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
| Altmar-Parish-Williamstown Central School District | 0.0000 |
| New York | 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, #726
| Altmar-Parish-Williamstown Central School District | 23.10 |
| New York | 49.25 |
| 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 2,358 other weather extremes events within 50 miles of Altmar-Parish-Williamstown Central School District 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: | 1 | Cold: | 40 | Dense Fog: | 0 | Drought: | 10 |
| Dust Storm: | 0 | Flood: | 188 | Hail: | 412 | Heat: | 14 | Heavy Snow: | 255 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 13 | Landslide: | 0 | Strong Wind: | 60 |
| Thunderstorm Winds: | 1,145 | Tropical Storm: | 0 | Wildfire: | 0 | Winter Storm: | 65 | Winter Weather: | 12 |
| Other: | 143 | ||||||||
Volcanos Nearby
No volcano is found in or near Altmar-Parish-Williamstown Central School District.
Historical Earthquake Events
A total of 1 historical earthquake event that had a recorded magnitude of 3.5 or above found in or near Altmar-Parish-Williamstown Central School District.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 39.3 | 1980-06-06 | 3.8 | 1 | 43.56 | -75.23 |
Historical Tornado Events
A total of 6 historical tornado events that had recorded magnitude of 2 or above found in or near Altmar-Parish-Williamstown Central School District.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 20.1 | 1983-05-02 | 3 | 43°14'N / 76°18'W | 43°15'N / 76°15'W | 3.00 Miles | 150 Yards | 0 | 0 | 250K | 0 | Oswego |
| 24.5 | 1983-05-02 | 3 | 43°10'N / 76°28'W | 43°12'N / 76°10'W | 14.00 Miles | 200 Yards | 0 | 0 | 2.5M | 0 | Onondaga |
| 33.5 | 1983-05-02 | 3 | 43°29'N / 75°22'W | 43°29'N / 75°18'W | 3.00 Miles | 450 Yards | 0 | 0 | 25.0M | 0 | Oneida |
| 33.6 | 1983-05-02 | 3 | 43°10'N / 76°37'W | 43°10'N / 76°28'W | 6.00 Miles | 200 Yards | 1 | 0 | 2.5M | 0 | Cayuga |
| 34.1 | 1990-07-23 | 2 | 43°08'N / 75°35'W | 43°15'N / 75°16'W | 17.00 Miles | 77 Yards | 0 | 0 | 25K | 0 | Oneida |
| 45.4 | 1977-09-18 | 2 | 42°50'N / 75°42'W | 2.00 Miles | 60 Yards | 0 | 1 | 250K | 0 | Madison |
* 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.