Black Hills Complex Tetlin NWR and Wrangell St. Elias NPP Long Term Assessment August 2003 Kara...
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Transcript of Black Hills Complex Tetlin NWR and Wrangell St. Elias NPP Long Term Assessment August 2003 Kara...
Black Hills Complex Tetlin NWR and Wrangell St. Elias NPP
Long Term Assessment August 2003Kara Paintner
Overview• Two fires – Fish Lake and
Black Hills• Wildland Fire for
Resource Benefit• Fire Size and Progression• Weather • Points of Concern• Rare Events Risk
Assessment Process (RERAP) results
• Potential for Research and Monitoring
Thank you…• Mary Kwart• Peter Butteri• Brian Sorbel – NPS Alaska
Region Fire GIS Specialist• Marsha Henderson – Fire
Management Officer, Wrangell St. Elias NPP
• Tim Hammond and staff – AFS GIS
• Line Officers at both Tetlin NWR and Wrangell St. Elias NPP
Fish Lake Fire
• Lightning 7/21/2003
• Burning in area of 1996 fire
• Currently 110 acres
Black Hills Fire• Started
7/16/2003• Major
Growth – 7/22/03– 8/9-
13/03– 8/15/03– 8/17/03– 8/18/03
• Currently 42,600 ac
Resources to be Protected
• Fuels assessed for each line to points of concern
• Historical winds examined to see the probability of winds pushing fire toward a point of concern
Rare Events Risk Assessment Process (RERAP)
• Season ending Event – Rainfall combined with depression of the Duff Moisture Code
Highest Risks
Direction ProbabilityWorst
Case Points of
Concern
Method Rare/
Significant Events
Segment H – SE flank to MMA Boundary across Chisana River
5 % by 9/1518 % by
9/15MMA
BoundaryRare Event
Segment D – SE flank to Management Action Point on west side of Chisana River
3% by 9/1514% by
9/15
MAP and MMA Boundary
Rare Event
Segment A – Fish Lake fire to allotment near Northway
3% by 9/158% by
9/15
Allotment and Northway
Rare Event
Summary
• Largest Fire in Refuge History
• Fire Effects appear within Natural Range of Variability
• ‘Nice’ Mosaic• Burn Severity Mapping • Effects of mosaic on
different habitats• More research w/
Roger Ottmar• Others…….