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Prescott, AZ Natural Disasters and Weather Extremes

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

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

Earthquake Index, #4

Prescott, AZ
2.55
Arizona
0.13
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, #135

Prescott, AZ
0.0016
Arizona
0.0015
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, #100

Prescott, AZ
16.18
Arizona
22.18
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 421 other weather extremes events within 50 miles of Prescott, AZ were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:0Cold:0Dense Fog:0Drought:0
Dust Storm:0Flood:85Hail:151Heat:0Heavy Snow:0
High Surf:0Hurricane:0Ice Storm:0Landslide:0Strong Wind:3
Thunderstorm Winds:89Tropical Storm:0Wildfire:3Winter Storm:0Winter Weather:0
Other:90 

Volcanos Nearby

A total of 1 volcano is found in or near Prescott, AZ.

Distance (miles)NameRegionLatitudeLongitudeElevation (foot)TypeStatusLast Eruption
76.5Sunset CraterUS-Arizona, United States35.37-111.52447Cinder coneDendrochronologyLast known eruption A.D. 1-1499

Historical Earthquake Events

A total of 4 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Prescott, AZ.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude
6.31976-02-045.21234.66-112.5
5.11976-02-094.61034.61-112.53
45.11971-11-043.7535.2-112.2
7.01976-02-233.51034.68-112.43

Historical Tornado Events

A total of 3 historical tornado events that had recorded magnitude of 2 or above found in or near Prescott, AZ.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
11.81972-08-10334°45'N / 112°28'W000K0Yavapai
43.62010-10-06234°58'N / 111°52'W35°01'N / 111°52'W3.00 Miles200 Yards000K0KCoconino
 Brief Description: EVENT NARRATIVE: Short path of significant tornado damage between two other tracks near the Mogollon Rim. EPISODE NARRATIVE: A strong low pressure center over California pushed abundant moisture over Arizona producing widespread thunderstorms with numerous severe storms. Strong vertical wind shear...with helicity in the 400-450 range...also provided an environment for supper cell development. There were eight confirmed tornadoes on October 6, 2010 across northern Arizona. This breaks the old record for the most tornadoes in Arizona for one day. The Arizona Governor signed a declaration of emergency for Coconino Country for $200,000 to be used for emergency response and public infrastructure repair.
48.62010-10-06234°58'N / 111°55'W35°15'N / 111°51'W19.00 Miles500 Yards000K0KCoconino
 Brief Description: EVENT NARRATIVE: Garjon Tank Tornado (6:50 - 7:14 AM MST): This tornado caused extensive forest damage south of Bellemont. Based on severity of forest damage, this tornado is rated an EF-2. There was some evidence of tornadic cycling with three individual tornadoes possible. Tornado passed 2 miles west of the National Weather Service Office. EPISODE NARRATIVE: A strong low pressure center over California pushed abundant moisture over Arizona producing widespread thunderstorms with numerous severe storms. Strong vertical wind shear...with helicity in the 400-450 range...also provided an environment for supper cell development. There were eight confirmed tornadoes on October 6, 2010 across northern Arizona. This breaks the old record for the most tornadoes in Arizona for one day. The Arizona Governor signed a declaration of emergency for Coconino Country for $200,000 to be used for emergency response and public infrastructure repair.


* 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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