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California Fire Siege
October 21, 2007

The Fires: Day 1

Sunday, October 21, 2007 Predictive Services Morning Report:
A strong ridge of high pressure will build into
Total acreage California from the Pacific Ocean bringing a warming
to date: trend and very low humidity to the region through
SEDGEWICK
RANCH 33,195 Wednesday. There will be widespread strong and gusty
BUCKWEED
north to east winds over Southern California through
Santa Barbara Wednesday morning. Winds will be 20-to-40 miles per
hour with much higher gusts over the mountains and
CANYON
below the canyons and passes of Southern California.
Los Angeles
SANTIAGO
Legend Today’s Events:
Fire incident/perimeter ROCA
Urban area The anticipated Santa Ana wind event is under way.
Fire origin Southern California is experiencing widespread
County boundary WITCH
ROCA Fire name sustained wind speeds of 20-to-40 miles per hour,
with gusts of 70-to-80 miles per hour in more wind-
McCOY
MILES
0 50 100 HARRIS prone areas. These winds persist throughout the day,
San Diego
0 50 100 diminishing somewhat by late afternoon. Humidity
KILOMETERS MEXICO
values tumble into the single digits and teens.
The Ranch Fire is reported Saturday night, October 20, at 9:42 p.m., along Interstate-5 six miles north
of Castaic in Los Angeles County. The fire is driven by 25-to-30 mile per hour winds with gusts up to 40
miles per hour. Extreme wind conditions and heavy brush contribute to erratic fire behavior creating control
problems. Spotting is noted 1/2 mile ahead of the fire. The communities of Fillmore, Piru, Ventura, and Ojai
are threatened. The Condor Reserve and Sespe Wilderness areas are identified for protection. Reconnaissance

Daily Snapshot

Incident Name MACS Priority* Crews Engines Dozers Overhead Acres** Contained
a.m. / p.m. %
Buckweed na / 5 10 26 2 65 10,000 0
Canyon na / 1 14 247 2 92 2,200 10
Harris na / 2 6 37 2 13 2,000 0
Ranch na / 4 15 56 5 22 12,000 10
Roca na / 8 7 37 3 14 250 40
Santiago na / 9 2 69 2 29 4,000 5
Sedgewick na / 7 0 0 0 0 710 50

Witch na / 3 12 20 1 8 2,000 1
Contained Fires*** 10 39 3 0 35 100
Totals 76 531 20 243 33,195
* Multi-Agency Coordination System (MACS) priority setting for resource allocation is based on the following criteria: Life Threatening Situations, Real
Property Threatened, High Damage Potential, Incident Complexity, Potential for Timely Containment.
** Figures for acreage are cumulative for the incident throughout the siege.
*** When a fire is 100% contained, the fire name is deleted but the acreage burned and additional resources (used in mop-up) is added to the “Contained
Fires” section.
Data used above was extracted from the Incident Status Summary (ICS-209).

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