DAILY INTELLIGENCE LOG

Structure Defence

British Columbia & Alberta

Saturday, July 18, 2026

Information current as of approximately 8:30 a.m. Pacific Time.

This report summarizes publicly available operational and environmental information. Wildfire conditions can change quickly. Official evacuation instructions, emergency alerts and transportation notices always take priority.

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OPERATIONAL ASSESSMENT

HIGH OPERATIONAL ACTIVITY

British Columbia is currently managing approximately 113 active wildfires.

A significant number of new wildfires have been detected during the past 24 hours, many following recent lightning activity. New incidents are distributed across several fire centres while established interface fires continue to affect communities, rural properties, First Nations jurisdictions and important transportation routes.

Here’s what we know:

Several significant incidents remain Out of Control. Active evacuation orders and alerts remain in place around the Fraser Canyon, South Cariboo and Pemberton areas.

Here’s what we’re watching:

Which recent starts continue growing, whether additional holdover fires become visible, how wind affects established incidents, and whether evacuation or transportation conditions change.

Here’s why it matters:

A large number of simultaneous incidents can distribute crews, aircraft and equipment across several regions. This does not mean every community faces an immediate threat, but it increases the importance of monitoring local conditions rather than relying only on the provincial wildfire count.

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TODAY’S CONDITIONS

BRUNSWICK CREEK — FRASER CANYON

Here’s what we know:

Brunswick Creek V10742 remains listed by the BC Wildfire Service as a Wildfire of Note and Out of Control.

The broader Fraser Canyon emergency continues to involve evacuation areas affecting Boston Bar, North Bend, Boothroyd Indian Band, Boston Bar First Nation and surrounding Fraser Valley Regional District areas.

Highway 1 and local access remain operationally important. Conditions can change quickly where fire activity, suppression operations and evacuation traffic affect the same corridor.

Here’s what we’re watching:

• Any change to Boston Bar or North Bend evacuation areas

• Newly confirmed structure impacts

• Changes affecting Boothroyd Indian Band or Boston Bar First Nation lands

• Meaningful suppression progress

• Highway 1 closures, reopening conditions or travel delays

• Fire movement that changes exposure on either side of the Fraser River

Here’s why it matters:

This remains a complex interface incident involving homes, First Nations communities, steep terrain and a nationally important transportation corridor.

Residents and travellers should confirm current evacuation and DriveBC information immediately before making decisions.

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FIFTYNINE CREEK — SOUTH CARIBOO

Here’s what we know:

The latest BC Wildfire Service information lists Fiftynine Creek C40897 as:

• Out of Control

• Approximately 4,000 hectares

• Suspected lightning-caused

An Evacuation Order and an Evacuation Alert remain associated with the incident.

The fire has affected the Big Bar Lake and Meadow Lake areas, with evacuation concerns extending across a dispersed rural landscape containing homes, seasonal properties, campgrounds, ranching areas and limited-access roads.

Additional evacuation activity elsewhere in the South Cariboo includes areas near South Green Lake, Poison Lake Road and Bowers Lake.

Here’s what we’re watching:

• Further changes around Big Bar Lake and Meadow Lake

• Fire movement toward South Green Lake or Highway 97

• Impacts to Big Bar Road and other rural evacuation routes

• Newly affected homes, recreational properties or agricultural operations

• Whether nearby fires begin affecting the same roads or response resources

Here’s why it matters:

Fiftynine Creek is a large, rapidly developed rural-interface incident. In areas with long driveways, limited road networks and private water supplies, early preparation may be especially important.

Anyone under an Evacuation Alert should be ready to leave with limited notice and should follow the instructions of the issuing authority.

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SIGNAL HILL — PEMBERTON

Here’s what we know:

The latest BC Wildfire Service information lists Signal Hill V30852 as:

• Out of Control

• Approximately 97 hectares

• Suspected human-caused

One Evacuation Order and two Evacuation Alerts remain associated with the incident.

The Evacuation Order includes One Mile Lake Park. Alert areas extend into portions of the Village of Pemberton and Squamish-Lillooet Regional District Area C.

Here’s what we’re watching:

• Any change to the Pemberton or Area C alert boundaries

• Fire growth toward homes or community infrastructure

• Wind effects through the valley

• Highway 99 or local access impacts

• Meaningful containment or suppression progress

Here’s why it matters:

Signal Hill is considerably smaller than Fiftynine Creek, but it is located immediately beside a populated community.

Fire size alone does not determine operational significance. Proximity to homes, terrain, access and potential ember exposure can make a smaller fire highly important.

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BRITISH COLUMBIA PROVINCIAL CONTEXT

The current wildfire map shows active incidents distributed across the Coastal, Cariboo, Kamloops, Southeast and Prince George fire centres.

Recent lightning has created potential for additional holdover fires. Some lightning-caused ignitions can remain concealed in forest litter, roots or heavier fuels before becoming visible during warmer and drier conditions.

The current number of detected fires should therefore be treated as a changing operational snapshot rather than a final count from the recent lightning period.

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ALBERTA

Here’s what we know:

Alberta currently lists no Wildfires of Note.

Wildfires of Note are incidents considered to be of significant public interest or that may threaten public safety, communities or critical infrastructure.

Out-of-control fires remain present in parts of the province, including northern forest areas, but the latest authoritative information does not identify a major community evacuation or critical-infrastructure threat comparable to the significant incidents currently affecting British Columbia.

Here’s what we’re watching:

• Any new Alberta Wildfire of Note

• Out-of-control fires in northern Alberta

• Lightning-related starts

• Community, First Nations or infrastructure exposure

• Evacuation alerts or orders

• Changes to road access

• Heat, drying and wind across areas with elevated wildfire danger

Here’s why it matters:

The absence of a Wildfire of Note does not mean there is no wildfire risk. It means no current incident has met Alberta’s threshold for that provincial designation.

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ENVIRONMENTAL INDICATORS

WARMING AND DRYING

BC Wildfire Service indicates that warming and drying conditions are continuing and extending farther north and west.

Several warm days in succession can progressively dry grass, needles, roadside vegetation and other fine fuels. These fuels can become receptive to ignition even when deeper forest fuels retain some moisture.

LIGHTNING AND HOLDOVER FIRES

Recent lightning remains one of the most important operational factors.

A holdover fire may not become visible immediately after a lightning strike. Smoke can appear later as temperatures rise, humidity falls or wind reaches the ignition area.

Additional detections over the coming days would not necessarily indicate new lightning. Some may be delayed discoveries from the existing storm pattern.

WIND

Wind remains a critical short-term variable around active fires.

Wind can:

• Increase fire spread

• Carry embers beyond the main perimeter

• Alter which structures or roads are exposed

• Limit aircraft operations

• Reduce the effectiveness of direct suppression

• Produce rapid changes before the mapped perimeter is updated

Local forecasts and official incident updates should always be considered together.

RAINFALL

Scattered rainfall may temporarily reduce fire behaviour where it occurs, but localized showers do not represent a uniform change across either province.

Light or short-duration rain may dampen exposed grass and surface fuels without substantially changing deeper fuel moisture, drought conditions or established wildfire perimeters.

GRASS AND FINE FUELS

Grass, roadside vegetation and cured fine fuels can ignite and spread fire quickly under warm, dry or windy conditions.

Particular care is warranted around:

• Vehicles parked over dry grass

• Machinery and equipment

• Hot exhaust systems

• Chains or dragging metal

• Outdoor burning

• Campfires

• Smoking materials

• Recreational activity in dry vegetation

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RESTRICTIONS AND HUMAN ACTIVITY

Restrictions and prohibitions vary by fire centre, local government, First Nation, park and land jurisdiction.

A campfire prohibition is in effect within the Coastal Fire Centre. Other restrictions must be checked for the specific location where a person is living, working, travelling or recreating.

During a period with numerous lightning-caused starts, preventable human-caused incidents place additional demand on crews and equipment already committed elsewhere.

Activities capable of producing flame, heat or sparks should be reconsidered during hot, dry or windy conditions, even where they remain legally permitted.

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HOMEOWNER IMPLICATIONS

For residents near an active fire or evacuation area:

• Follow the authority that issued the Evacuation Alert or Order.

• Keep vehicles fuelled and positioned for departure.

• Identify more than one possible route where geography permits.

• Prepare medications, identification and essential documents.

• Make arrangements for pets, livestock and mobility needs early.

• Remove easily moved combustible items from beside structures when it is safe to do so.

• Confirm that pumps, generators, hoses and private water supplies operate properly.

• Do not delay evacuation to activate sprinklers or other equipment.

• Do not operate systems in ways that interfere with responders or deplete essential community water supplies.

These actions improve readiness. They are not predictions of fire behaviour and cannot guarantee that a structure will survive.

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WHAT CHANGED SINCE YESTERDAY

The provincial wildfire picture remains highly active, with approximately 113 active fires reported this morning and a significant number of recently detected starts.

The most meaningful overnight development is the continued concentration of evacuation activity in the South Cariboo following the rapid development of Fiftynine Creek and nearby incidents.

Brunswick Creek remains a Wildfire of Note, with the Fraser Canyon still facing evacuation, structure-exposure and transportation concerns.

Signal Hill remains Out of Control beside Pemberton, with its associated Evacuation Order and Alerts still shown as active.

No new Alberta Wildfire of Note has been identified in the latest provincial information reviewed for this report.

Because incident sizes, mapped boundaries and evacuation notices can be revised after aerial assessment or field verification, current official incident pages remain the authoritative source.

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WHAT WE’RE WATCHING NEXT

• Additional holdover-fire detections from recent lightning

• Any new BC Wildfire of Note

• Brunswick Creek growth and suppression progress

• Boston Bar, North Bend and First Nations evacuation changes

• Highway 1 access through the Fraser Canyon

• Fiftynine Creek movement around Big Bar Lake and Meadow Lake

• Evacuation changes near South Green Lake, Poison Lake Road and Bowers Lake

• Signal Hill suppression progress and Pemberton alert boundaries

• Highway 97 and Highway 99 access impacts

• Wind changes around established interface fires

• Continued warming and drying across northern and Interior British Columbia

• Any Alberta Wildfire of Note, evacuation or infrastructure threat

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STRUCTURE DEFENCE TAKEAWAY

Here’s what we know:

British Columbia is managing a high number of active wildfires while several established incidents continue to affect communities, rural properties, First Nations jurisdictions and transportation routes.

Here’s what we’re watching:

The next meaningful changes will come from fire growth, wind, newly detected holdover fires, changes to evacuation areas and measurable suppression progress.

Here’s why it matters:

Provincial wildfire numbers provide context, but local exposure determines what an individual homeowner needs to do.

A relatively small fire close to a community can be more immediately significant than a much larger fire in a remote location.

This is a time for practical readiness, attention to official information and calm decision-making—not prediction or panic.

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SOURCES CONSULTED

• BC Wildfire Service dashboard, incident list and active-fire map

• EmergencyInfoBC

• Fraser Valley Regional District

• Thompson-Nicola Regional District

• Cariboo Regional District

• Village of Pemberton

• Squamish-Lillooet Regional District

• Boothroyd Indian Band emergency information

• Boston Bar First Nation emergency information

• DriveBC

• BC Parks and current BC Wildfire Service prohibitions

• Alberta Wildfire status dashboard

• Alberta Wildfires of Note

• Alberta forest-area updates

• Alberta Emergency Alert

• Alberta fire-ban information

• 511 Alberta