Report: Chisholm wildfire entrapment investigation - FPInnovations ...

VALUES AT RISK
EFAS1
FP210 p2
10. Values at and in vicinity of the fire
Life
Communities within the FPA
Watershed / Soils
Natural Resources
Infrastructure
Right
Rear
Head Left Flank
Flank
Indicate distance in kilometers from current fire perimeter
town of Chisholm 3
miles to N
merch timber & cc
merch timber &
scarif. cutblock
farms to south farms to east
Flatbush is to the
south
CNRL plant
some merch timber
FORECASTED WEATHER AND FIRE BEHAVIOR FOR THE NEXT THREE DAYS
(preferably completed by Fire Behavior Officer)
11. Three Day PM Weather Forecast (day fire escapes is the first burning period)
Wind Direction
2nd Burning Period 3rd Burning Period 4th Burning Period
NW
S / SE
SE
Wind Speed
20 G 35
15 G 35
20 - 25
Maximum Temperature
Minimum Relative Humidity
Precipitation Amount
22
30
light if any w/ TRW-
Extreme Fire Behavior Indicators
Comments (significant weather events):
gusty winds & wind shifts
& high indices in area
RW / TRW - light light if any w/ TRWgusty
erratic winds; extreme
BUI, ISI, DC
strong sustained winds, extreme
ISIs
12. Estimated Fire Size Projections to 1000 hrs.
1st burning period 2nd burning period 3rd burning period 4th burning period
Estimated Fire Size 4000 6900 12,000 13,500
Estimated Perimeter
ATTACH CALCULATIONS TO EFAS
PLANNED STRATEGIES AND TACTICS
Fire located in appropriate action
13. General Strategy No direct action at this time.
zone.
X
Full control action.
X
Specific action to protect high values.
X
Limited flanking action.
X
Steering or holding action to utilize fuel
breaks.
Remarks
Anticipate NW winds 24-may-01 to probably double fire size. Wind shift to S/SE may be
favorable by burning back on itself towards the Athabasca River to the north and west
sides of the fire. Priorities are settlement to the east and south. Town of Chisholm 3
miles to north #1 if fire burns to the north. Timber & cutblocks to west & across river.
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