WORST WILDFIRE IN COLORADO HISTORY STATUS : June 17, 2012
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WORST WILDFIRE IN COLORADO HISTORY
STATUS: June 17, 2012
Walter Hays, Global Alliance for Disaster Reduction, University of
North Carolina, USA
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THE 2012 HIGH PARK, CO WILDFIRE
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HIGH PARK WILDFIRE
Located 26 km (15 miles) West of Fort Collins, the lightning-caused fire had burned 85 square acres and destroyed 181 homes between June 6 and June 17.
More than 1,630 firefighters were working on the partially contained fire on Saturday, June 16th.
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VERY DIFFICULT FIREFIGHTING CONDITIONS GET WORSE
Firefighting crews, working for 11 days just to get a difficult fire in a difficult terrain under 45 percent control, faced hot, dry, “sundowner” winds of 800 kph (500 mph) with temperatures of 90 degrees F on Sunday.
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HIGH PARK, CO WILDFIRE ON JUNE 11TH
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ONE OF THE FIREFIGHTING HELICOPTERS: JUNE 15, 2012
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REFILLING FOR ANOTHER WATER DROP
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EVACUATIONS ORDERED
At present, 3,000 people have received notices to evacuate.
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BACKGROUND
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Natural Phenomena that Cause Disasters
Planet Earth’s atmospheric-lithospheric interactions cause:
Wildfires
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SCIENCE OF WILDFIRES
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WILDFIRES are conflagrations caused by
lightning discharges (or acts of man) in wilderness areas close enough to one or more urban interfaces that they threaten
people, property, infrastructure, and business enterprise.
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WILDFIRES CAN CAUSE HIGH-RISK SITUATIONS
Any wildfire, whatever the cause, can be devastating to people, property, infra-structure, business enterprise, individual livelihoods, wildlife, and the environment.
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COMMUNITYCOMMUNITYDATA BASES DATA BASES AND INFORMATIONAND INFORMATION
HAZARDS: GROUND SHAKING GROUND FAILURE SURFACE FAULTING TECTONIC DEFORMATION TSUNAMI RUN UP AFTERSHOCKS
•HAZARDS•INVENTORY•VULNERABILITY•LOCATION
RISK ASSESSMENTRISK ASSESSMENT
RISK
ACCEPTABLE RISK
UNACCEPTABLE RISK
WILDFIRE DISASTER RISK WILDFIRE DISASTER RISK REDUCTIONREDUCTION
•PREVENTION/MITIGATION•PREPAREDNESS•INTERVENTION/ RESPONSE•RECOVERY and RECONSTRUCTION
POLICY OPTIONSPOLICY OPTIONS
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THE WILDERNESS AREAS typically contain national forests, national parks, or resorts and the adjacent urban areas typically contain large, expensive homes.
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WILDFIRE HAZARDS (AKA POTENTIAL DISASTER AGENTS)
• FIRE • HOT GASES AND SMOKE • HOT SPOTS• BURNED OUT SLOPES (with
increased susceptibility to insect infestation, erosion, and landslides)
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WILDFIRE HAZARDS (AKA POTENTIAL DISASTER AGENTS)
• SUNDOWNER WINDS• SANTA ANNA WINDS• LOCAL CHANGES IN AIR
QUALITY• LOCAL CHANGES IN WEATHER
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EMERGING TECHNOLOGIES FOR FIGHTING WILDFIRES
• FORECASTS OF WEATHER CONDITIONS
• MONITORING TECHNOLOGIES (E.G., REMOTE SENSING, TEMPER-ATURE, HUMIDITY, WINDS)
• WARNING SYSTEMS• INTERVENTION
STRATEGIES
• DATABASES FOR EACH WILDFIRE
• COMPUTER MODELS OF WILDFIRES
• MAPS; ZONING • DISASTER
SCENARIOS• HAZARD AND RISK
ASSESSMENTS
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THE 2012 HIGH PARK WILDFIRE HAS ALREADY SURPASSED 2010’S FOURMILE CANYON
WILDFIRE NEAR BOULDER, CO
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THE FIRST LARGE WILDFIRE IN 50 YEARS RAVAGES BOULDER,
COLORADOAN EXAMPLE OF NOT HAVING THE CAPACITY WHEN AN INFREQUENT
HAZARDOUS EVENT HAPPENSSEPTEMBER 6-9, 2010
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The largest wildfire in Boulder county in 50 years was started by
an automobile accidentally hitting a propane tank.
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WILDFIRE IN FOUR MILE CANYON NEAR BOULDER
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WILDFIRE NEAR BOULDER, COLORADO
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A DISTANT VIEW OF THE RAPIDLY MOVING WILDFIRE
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BUSES BURNED
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ONLY A FEW FIRE FIGHTING HELICOPTERS
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FILLING UP WITH WATER AT BOULDER RESERVOIR
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MANY TRIPS WERE NEEDED
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3,500 residents were forced to flee their homes to escape the fast
moving fire that burned more than 7,120 acres of very dry trees and
brush.
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GOVERNOR BILL RITTER ANNOUNCED SUPPORT
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The wildfire destroyed 169 structures, most of them in just
2 days.