Wildfires: Data and hard numbers
Wildfires Profile in the Mediterranean-type climate regions.
Wildfires (1): Fire temperature at the center of a fire is about 815oC, give or take a hundred.
Wildfires (2): Time. Most wildfires pass through approximately in 30 to 50 seconds with 2 to 3 minutes of preheating.
Firebrands (1): Attack for several hours before and after the fires arrival.
Firebrands (2): Travel over 2 km and start spot fires.
Embers: flying ahead of the fire account for 90% of homes burned.
Humidity: Usually relative low in the range from 10%-40%.
Temperature: Usually of 20oC-35oC.
Wind speed: Most of the accidents (75%) occur with winds speeds between 0 and 20km / h.
Loss of power, water pressure & supply.
Ample fry fuel – usually drought conditions.
Limited access via roads or air support.
Extended exposure to all these elements.
Overwhelming number of homes threatened at one time.
How Wildfires Enter A Structure.
The bottom events are identified as basic events. The red area identifies the fire source, the orange one identifies the impact of the fire onto the structure, and the yellow one pinpoints the ways through which the fire can enter the structure. Journal of Safety Science and Resilience. Volume 1, Issue 2, December 2020, Pages 97-105
Problem: Wildfires. Current Global Situation.
- One of the 5 Major Disaster Events destroying millions of hectares of land, properties of billions, killing millions of animals and thousands people.
- More than 10 million houses globally under attack.
Houses’ catastrophes US: in 2017 & 2018, 40.000, in 2025 12.500 structures were destroyed. Australia: in 2020, 10.000 Structures were destroyed. Greece: in 2007 & 2018, 6.000 houses were lost. Canada: in 2016, 2.400 houses were lost. Russia: in 2016, 1.300 houses were burned. |