DAILY INTELLIGENCE LOG

Structure Defence

British Columbia & Alberta

Wednesday, July 22, 2026

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

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

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OPERATIONAL ASSESSMENT

HIGH OPERATIONAL SIGNIFICANCE IN THE FRASER CANYON

The most important development this morning is a renewed escalation south of Boston Bar.

A new wildfire ignited south of the community on Tuesday afternoon and spread rapidly during strong winds. Authorities issued urgent evacuation instructions, expanded the evacuation footprint southward through Hells Gate and Scuzzy Creek, and closed Highway 1 through Boston Bar.

This development adds a new, fast-moving incident to an area already affected by the Brunswick Complex, longstanding Evacuation Orders, confirmed structure losses and difficult terrain.

Elsewhere in British Columbia:

• Kimberley remains under a city-wide Evacuation Alert because of the Matthew Creek wildfire.

• Structure Protection personnel are now working around priority values near Kimberley and St. Mary Lake.

• Evacuation Orders and road restrictions remain associated with the Pear Lake wildfire.

• Multiple rural evacuation areas remain active across the South Cariboo and Bonaparte Plateau.

• A Category 1 campfire prohibition takes effect across the Cariboo Fire Centre at noon today.

• Alberta continues to report no Wildfires of Note.

Here’s what we know:

British Columbia’s most immediate operational concern has shifted back toward the Fraser Canyon, where evacuation and transportation conditions changed significantly Tuesday afternoon.

Here’s what we’re watching:

The new fire south of Boston Bar, Highway 1 access, fire behaviour during extreme heat, the durability of suppression progress around Kimberley, and whether existing evacuation areas expand or contract.

Here’s why it matters:

This is not simply another increase in fire size. It is a life-safety and transportation event affecting an already evacuated community, multiple First Nations jurisdictions and one of British Columbia’s principal highway corridors.

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TODAY’S CONDITIONS

FRASER CANYON — BRUNSWICK COMPLEX AND NEW FIRE SOUTH OF BOSTON BAR

Here’s what we know:

On Tuesday afternoon, the Fraser Valley Regional District reported that a new wildfire had ignited south of Boston Bar and was spreading quickly in strong winds.

Residents who had remained in Boston Bar were directed to leave immediately. Authorities instructed evacuees to travel north because Highway 1 was closing.

Current evacuation actions include:

• An Evacuation Order for Boston Bar

• An Evacuation Order for Hells Gate

• An Evacuation Order for the Scuzzy Creek Forest Service Road area and areas south of Boston Bar

• An Evacuation Alert extending south of Hells Gate toward Alexandra Bridge

• Existing Orders affecting North Bend, Nahatlatch, North Boothroyd, Canyon Alpine and Fishblue Lake

• Existing Orders affecting Boston Bar First Nation and Boothroyd Indian Band jurisdictions

DriveBC currently lists Highway 1 as closed at Boston Bar because of wildfire, with a detour in effect.

The Brunswick Complex remains operationally significant alongside this newer fire activity.

Here’s what we’re watching:

• Confirmation of the new fire’s incident number, size and perimeter

• Whether the new ignition becomes incorporated into the Brunswick Complex

• Highway 1 reopening conditions and detour reliability

• Further evacuation changes toward Hells Gate or Alexandra Bridge

• Changes affecting Boston Bar First Nation, Boothroyd Indian Band or other nearby First Nations jurisdictions

• Structure, utility or communications impacts

• Fire behaviour during today’s extreme heat

• Whether crews can re-establish suppression opportunities after Tuesday’s wind-driven escalation

Here’s why it matters:

The Boston Bar corridor now involves overlapping hazards: established wildfire perimeters, a new fast-moving fire, multiple evacuation jurisdictions and a closed national transportation route.

The directed evacuation northward also demonstrates why residents should follow official routing rather than assuming their usual highway direction remains available.

Boston Bar is forecast to experience extreme heat today. That does not predict additional fire growth, but it may contribute to fuel drying, lower relative humidity and greater heat stress for residents and crews.

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KIMBERLEY AND ST. MARY LAKE — BOOTLEG COMPLEX

Here’s what we know:

The City of Kimberley remains under an Evacuation Alert due to the Matthew Creek wildfire.

The latest verified estimate remains approximately 567 hectares.

The Regional District of East Kootenay reported Tuesday evening that Structure Protection personnel had arrived and had triaged priority values near both Matthew Creek and the Tower Creek fires.

Structure Protection equipment is being proactively deployed around St. Mary Lake and priority values immediately east and west of the lake.

The separate St. Mary Lake Evacuation Alert remains active for 66 properties.

Current verified fire estimates include:

• Matthew Creek — approximately 567 hectares

• Tower Creek #2 — approximately 250 hectares

• Tower Creek — approximately 12 hectares

Crews continue reopening forest service roads, developing control lines and using helicopters to cool active areas and move personnel and equipment.

Here’s what we’re watching:

• Any change from Alert to Order

• Completion and effectiveness of control-line construction

• Structure Protection deployment around St. Mary Lake

• Afternoon increases in fire behaviour

• Wind and thunderstorm activity

• Movement toward homes, utilities or transportation infrastructure

• Whether current suppression work produces a formal change in stage of control

Here’s why it matters:

The arrival of Structure Protection resources is an important preparedness measure. It confirms that priority values are being assessed and protected proactively, but it does not mean structure impact is expected or inevitable.

Kimberley is forecast to remain above 30°C for several consecutive days. Current overnight and morning suppression opportunities may become more difficult to maintain during the warmest and driest part of each afternoon.

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PEAR LAKE — KELLY LAKE / PAVILION-CLINTON ROAD

Here’s what we know:

Evacuation Orders remain associated with Pear Lake in both the Squamish-Lillooet and Thompson-Nicola regional districts.

The affected areas include:

• Properties around Pear Lake Road and Pavilion-Clinton Road

• Downing Provincial Park

• Additional property within the Thompson-Nicola order area

Approximately 38 nearby TNRD properties remain under Evacuation Alert.

Pavilion-Clinton Road remains restricted through the Evacuation Order area. The Pear Lake portion of Edge Hills Park is also closed.

The latest verified local estimate lists the fire at approximately 30 hectares.

Here’s what we’re watching:

• Any expansion or rescission of the Orders

• Changes to Pavilion-Clinton Road access

• Guard construction and helicopter support

• Fire movement toward the remaining Alert area

• Effects on park infrastructure or rural properties

• Coordination between regional districts and nearby First Nations jurisdictions

Here’s why it matters:

Pear Lake remains relatively small compared with several other active fires, but it directly affects homes, parks and a limited rural transportation route.

This is a clear example of why operational significance cannot be determined by hectares alone.

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SOUTH CARIBOO AND BONAPARTE PLATEAU

Here’s what we know:

Multiple Evacuation Orders and Alerts remain active across a broad rural area associated with fires including:

• Fiftynine Creek

• Big Bar Lake and Meadow Lake

• South Green Lake

• Bowers Lake

• French Bar Creek

• Lessard Lake

• Pear Lake

The affected landscape includes homes, ranches, seasonal properties, campgrounds, parks and limited-access roads.

The 100 Mile House area is forecast to reach approximately 35°C today, with continued heat Thursday before temperatures begin moderating.

Here’s what we’re watching:

• Changes around Big Bar Lake, Meadow Lake and South Green Lake

• Movement affecting Highway 97 or rural connector roads

• Additional holdover fires becoming visible

• Ranching, livestock and private-water-system impacts

• Expansion or rescission of Evacuation Orders and Alerts

• Interaction between multiple incidents competing for crews, aircraft and heavy equipment

Here’s why it matters:

The number of people affected by an individual rural Order may be limited, but evacuation preparation can be more complicated.

Livestock, trailers, private water sources, long driveways and limited travel routes all reduce the value of waiting until an Order is issued.

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ALBERTA

Here’s what we know:

Alberta currently lists no Wildfires of Note.

Recent precipitation has reduced wildfire danger to moderate or low in several central and northern forest areas, including Rocky Mountain House, Peace River and Slave Lake.

The Calgary Forest Area’s latest published update continues to describe very high wildfire danger and an active fire advisory because of warm temperatures, wind and drying vegetation.

No active wildfire within the Calgary Forest Area was identified as contributing to local smoke in that update.

Here’s what we’re watching:

• Any new Alberta Wildfire of Note

• New lightning-caused or wind-driven starts

• Uneven thunderstorm rainfall

• Changes to fire advisories, restrictions or bans

• Community, First Nations or infrastructure exposure

• Municipal wildfires outside Alberta’s Forest Protection Area

Here’s why it matters:

Alberta’s operational picture is currently quieter than British Columbia’s, and meaningful rainfall has improved conditions in some regions.

Southern Alberta remains warmer and drier. Calgary is forecast to experience several days near or above 30°C, with isolated thunderstorm potential and increasing wind later in the week.

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ENVIRONMENTAL INDICATORS

EXTREME HEAT AND CONSECUTIVE HOT DAYS

Here’s what we know:

Extreme heat is the most important environmental factor today in the Fraser Canyon.

Current forecasts indicate:

• Boston Bar — approximately 42°C today, followed by continued extreme heat Thursday

• 100 Mile House — approximately 35°C today and 34°C Thursday

• Kimberley — approximately 34°C today, with several additional days above 30°C

• Calgary — approximately 31°C today, rising toward 34°C Thursday

Here’s what we’re watching:

• Overnight humidity recovery

• Fine-fuel drying

• Increased afternoon fire behaviour

• Heat stress affecting residents and responders

• Whether smoke limits daytime heating in active fire areas

• The timing of cooler conditions expected later in the weekend

Here’s why it matters:

Several consecutive hot days can progressively dry grass, needles, roadside vegetation and surface fuels.

Heat alone does not predict wildfire growth. It can, however, narrow the operating window for suppression and increase the consequences of a new ignition.

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WIND

Here’s what we know:

Strong winds contributed to the rapid spread of the new fire south of Boston Bar on Tuesday.

Wind remains one of the most important short-term variables around active incidents in the Fraser Canyon, Kimberley area and South Cariboo.

Here’s what we’re watching:

• Canyon winds and terrain-driven wind shifts

• Thunderstorm outflow near Kimberley and the Interior

• Wind effects on ember transport

• Aircraft operating conditions

• Wind arriving before meaningful rainfall

• Saturday’s potential for stronger winds in parts of southern British Columbia and Alberta

Here’s why it matters:

Wind can rapidly alter fire direction and increase spotting before a revised public perimeter is available.

Tuesday’s Boston Bar escalation demonstrates that a meaningful operational change can occur even where an established incident had previously shown suppression progress.

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LIGHTNING AND HOLDOVER-FIRE POTENTIAL

Here’s what we know:

BC Wildfire Service reported nearly 34,000 lightning strikes across the province during the recent storm period.

Not every lightning ignition becomes visible immediately. Some fires may smoulder in roots, duff or heavier fuels before emerging during hotter and drier conditions.

Here’s what we’re watching:

• New smoke reports during afternoon heating

• Clusters of delayed fire detections

• Thunderstorms near Kimberley and southern Alberta

• Lightning occurring outside areas of meaningful rainfall

• New starts near communities already requiring substantial response resources

Here’s why it matters:

A fire detected today may have originated several days earlier.

Continued heat can expose holdover fires while crews and aircraft remain committed to existing interface incidents.

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RAINFALL AND PROLONGED DRYING

Here’s what we know:

Rainfall remains uneven across both provinces.

Some central and northern Alberta forest areas have received enough precipitation to lower wildfire danger. Southern Alberta and wildfire-relevant areas of Interior British Columbia have received less consistent relief.

Thunderstorms may produce localized rain near Kimberley and parts of Alberta later this week.

Here’s what we’re watching:

• Whether rainfall is widespread or isolated

• Rainfall duration and accumulation

• Dry lightning outside the main precipitation area

• Wind associated with storm cells

• How quickly fine fuels dry following brief showers

Here’s why it matters:

Localized rain should not be interpreted as a regional reset.

A brief shower may reduce surface fire behaviour temporarily without meaningfully affecting deeper fuels or an established wildfire perimeter.

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DROUGHT AND FIRE-WEATHER INDICATORS

Here’s what we know:

Current, incident-specific Drought Code values were not consistently available across all regions at a sufficiently current and comparable scale for this report.

No single Drought Code value has therefore been used to characterize either province.

The strongest current indicators are:

• Extreme and consecutive heat

• Active fire-behaviour observations

• Reduced overnight recovery potential

• Fine-fuel drying

• Recent lightning

• Expanded fire prohibitions

• Wind-driven escalation near Boston Bar

Here’s what we’re watching:

• Updated BC fire-danger and weather-station observations

• Extended periods without meaningful rainfall

• Local overnight humidity recovery

• Changes following the cooler weather expected later this weekend

Here’s why it matters:

Older or geographically distant fire-weather numbers can create false precision.

Current local weather, fuel observations and operational fire behaviour provide a more useful picture.

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GRASS CURING AND FINE FUELS

Here’s what we know:

Grass, roadside vegetation and other fine fuels can dry rapidly during the current heat.

Potential ignition sources include:

• Vehicles parked over dry vegetation

• Machinery and hot exhaust systems

• Dragging chains or metal

• Campfires and outdoor burning

• Fireworks

• Smoking materials

• Generators or pumps operating in dry vegetation

Here’s what we’re watching:

• Roadside and pasture curing

• Fine fuels along evacuation routes

• Vegetation around machinery, generators and vehicles

• Combustible materials immediately beside homes and accessory buildings

Here’s why it matters:

Fine fuels can carry fire quickly toward structures or heavier vegetation, even where larger fuels retain more moisture.

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RESTRICTIONS AND HUMAN ACTIVITY

Here’s what we know:

A Category 1 campfire prohibition takes effect throughout the Cariboo Fire Centre at 12:00 noon Pacific Time today.

The prohibition includes:

• The Cariboo-Chilcotin Natural Resource District

• The 100 Mile House Natural Resource District

• The Quesnel Natural Resource District

• The Tsilhqot’in Declared Title Area

Category 2 and Category 3 open fires are already prohibited throughout the Cariboo Fire Centre.

A Category 1 campfire prohibition will take effect throughout the Southeast Fire Centre at 12:00 noon Pacific Time on Thursday, July 23.

Category 1, 2 and 3 open fires are prohibited throughout the Kamloops Fire Centre.

Restrictions in the Coastal, Northwest and Prince George fire centres vary by location and fire type.

The Calgary Forest Area remains under a fire advisory.

Here’s what we’re watching:

• Municipal and First Nations restrictions that may be more stringent

• Further provincial prohibition changes

• Preventable roadside and equipment-related ignitions

• Compliance during the current heat

• Activities permitted today that become prohibited within the next 24 hours

Here’s why it matters:

The Cariboo prohibition begins today, while the Southeast prohibition begins tomorrow. These are separate effective dates and should not be confused.

During a period of extreme heat and multiple significant incidents, preventable fires compete for crews, aircraft and equipment already committed elsewhere.

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HOMEOWNER IMPLICATIONS

For residents under an Evacuation Alert:

• Follow the local government or First Nation that issued the Alert.

• Keep vehicles fuelled and positioned for departure.

• Prepare identification, medication and essential documents.

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

• Confirm current road access rather than relying on a usual route.

• Test pumps, generators and private water systems before they are needed.

• Move easily transported combustible items away from structures when safe.

For residents under an Evacuation Order:

• Leave immediately using the route directed by the issuing authority.

• Do not assume both directions of a highway remain available.

• Do not delay to activate sprinklers, move equipment or continue property work.

• Do not enter closed roads or restricted areas.

For residents near—but outside—an evacuation area:

• Monitor official local sources.

• Review how long it would realistically take to leave.

• Check transportation conditions before travelling.

• Avoid unnecessary ignition-producing work during peak heat and wind.

• Do not use smoke direction or unofficial maps as substitutes for evacuation information.

These steps improve readiness. They do not predict wildfire behaviour or guarantee that a structure will survive.

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WHAT CHANGED SINCE YESTERDAY

The Fraser Canyon experienced the most significant operational change.

A new wildfire ignited south of Boston Bar and spread quickly in strong winds. Authorities issued urgent evacuation instructions, expanded Orders through Hells Gate and Scuzzy Creek, placed the area south toward Alexandra Bridge under Alert, and closed Highway 1 at Boston Bar.

This represents a renewed escalation in an area already affected by the Brunswick Complex.

In the Kimberley area:

• Evacuation Alerts remain unchanged.

• Structure Protection personnel have triaged priority values.

• Proactive equipment deployment is underway around St. Mary Lake.

• An Incident Management Team is assuming command of the Bootleg Complex.

Pear Lake Orders and Pavilion-Clinton Road restrictions remain active, with no verified rescission identified this morning.

The Category 1 campfire prohibition begins across the Cariboo Fire Centre at noon today.

No new Alberta Wildfire of Note was identified.

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WHAT WE’RE WATCHING NEXT

• The new wildfire south of Boston Bar

• Highway 1 closure and reopening conditions

• Additional Fraser Canyon evacuation changes

• Effects on Boston Bar First Nation and Boothroyd Indian Band jurisdictions

• Extreme heat and afternoon fire behaviour

• Structure Protection deployment around Kimberley and St. Mary Lake

• Matthew Creek and Tower Creek control-line progress

• Pear Lake road access and evacuation status

• Additional lightning holdover detections

• South Cariboo evacuation changes

• Thunderstorm wind and lightning near the East Kootenay

• The Cariboo campfire prohibition taking effect today

• The Southeast campfire prohibition taking effect Thursday

• Any new BC or Alberta Wildfire of Note

• Confirmed structure, utility or communications impacts

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STRUCTURE DEFENCE TAKEAWAY

Here’s what we know:

The Fraser Canyon has undergone a meaningful operational escalation.

A new, wind-driven wildfire south of Boston Bar has expanded the evacuation footprint and closed Highway 1 in a corridor already affected by the Brunswick Complex.

Kimberley remains under city-wide Alert, with Structure Protection resources now proactively working around identified priority values.

Pear Lake and the South Cariboo incidents continue to affect rural homes, parks and limited-access roads.

Alberta currently has no Wildfire of Note, and rainfall has improved conditions in several central and northern areas.

Here’s what we’re watching:

Today’s most important variables are fire behaviour south of Boston Bar, Highway 1 access, extreme heat, wind, evacuation-boundary changes and whether suppression crews can maintain control opportunities around established incidents.

Here’s why it matters:

The wildfire situation remains active, but the significance is local.

Provincial conditions provide context. Individual decisions must be based on current evacuation instructions, transportation access and the incident affecting a specific community.

This is a time for calm attention, early preparation and strict reliance on authoritative information.

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SOURCES CONSULTED

• BC Wildfire Service dashboard and incident information

• EmergencyInfoBC

• Fraser Valley Regional District

• Boston Bar First Nation emergency information

• Boothroyd Indian Band emergency information

• DriveBC

• City of Kimberley

• Regional District of East Kootenay

• Squamish-Lillooet Regional District

• Thompson-Nicola Regional District

• Cariboo Regional District

• Stswecem’c Xget’tem First Nation emergency information

• BC Parks

• BC Wildfire Service prohibitions and restrictions

• Environment and Climate Change Canada

• Alberta Wildfire status and Wildfires of Note

• Alberta Wildfire forest-area updates

• Alberta Emergency Alert

• Alberta Fire Bans

• 511 Alberta