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1
YOU ARE HEADING INTO AVALANCHE TERRAIN 2. What is the Avalanche Danger Rating today? Where can I access today’s forecast? 1-800-667-1105, select number for South Coast Inland. • Have you told a responsible person your trip plans? • Is everyone in your group properly dressed and equipped with a transceiver, probe and shovel? • Do you have any backcountry knowledge or avalanche awareness training? • For more information go to: www.avalanche.ca 1. What type of terrain are you heading into? trip planner danger rating Refer to public bulletins for danger ratings at www.avalanche.ca EXTREME HIGH CONSIDERABLE MODERATE LOW avalanche terrain rating Terrain definitions available at www.avalanche.ca *Use elevation specific danger rating **Use highest danger rating Remember to verify all information used during the trip planning stage at the trail head. Confirm that the trip decision is still within the comfort zone and skill level of your group. Anomalies in terrain and avalanche conditions may exist. Users of the AVALUATOR TM assume their own risk. © 2010 Canadian Avalanche Centre SIMPLE * CHALLENGING ** COMPLEX ** NOT RECOMMENDED - Conditions are primed for avalanche accidents. Even careful decisions can result in serious accidents. Backcountry travel under these conditions is not recommended without professional–level safety systems and guidance. EXTRA CAUTION - Accidents are frequent and are likely to occur with human or natural triggers. Advanced avalanche skills are recommended for safe backcountry travel under these conditions. CAUTION - These conditions are appropriate for informed backcountry travel in avalanche terrain. Always watch for isolated slabs and be especially careful if the avalanche bulletin mentions deep or persistent instabilities. 3. What does the Avaluator recommend? Combine the danger and terrain ratings on the Avaluator chart to manage risk. AVALANCHE TERRAIN RATINGS SIMPLE Exposure to low angle or primarily forested terrain. Some forest openings may involve the runout zones of infrequent avalanches. Many options to reduce or eliminate exposure. No glacier travel. CHALLENGING Exposure to well defined avalanche paths, starting zones or terrain traps; options exist to reduce or eliminate exposure with careful route finding. Glacier travel is straightforward but crevasse hazard may exist. COMPLEX Exposure to multiple overlapping avalanche paths or large expanses of steep, open terrain; multiple avalanche starting zones or terrain traps below; minimal options to reduce exposure. Complicated glacier travel with extensive crevasse bands or icefalls. Note: Because of scale some of the areas classified have been generalized. For high resolution interactive digital maps check out the Online Trip Planner at www.avalanche.ca/cac 1500 1000 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 L a wl e s s C r e e k T h y n n e C r e e k Thynne Mtn B r o o k C r e e k S p e a r i n g C r e e k H i g h w a y 5 The Tin Shed Andy's Lake Shelter Brook Lake Brookmere 0 1 2 Kilometres Warning: Mountain travel is dangerous –hazards exist. Spotting hazards and assessing their risk is your responsibility. Decision guides like the Avaluator cannot eliminate these hazards, but will help you understand and manage them. The Avaluator is no substitute for training, experience, and choosing skilled and responsible travel partners. Use the Avaluator and the information on this sign at your own risk. Travel the back country at your own risk. Terrain Assessment Maps Warning: This map is illustrative only and should not be used to determine precise routes or location of features. The terrain ratings shown are an approximation and may assist with trip planning. Use the information provided on this map at your own risk. CABIN DECISION POINT PARKING AVALANCHE PATH ROAD/TRAIL TERRAIN RATED

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Page 1: YOU ARE HEADING INTO AVALANCHE › ... › thynne_trailhead_sign_sm.pdffor safe backcountry travel under these conditions. CAUTION - These conditions are appropriate for informed backcountry

YOU ARE HEADING INTO

AVALANCHETERRAIN

2. What is the Avalanche Danger Rating today?Where can I access today’s forecast? 1-800-667-1105, select number for South Coast Inland.

• Have you told a responsible person your trip plans?

• Is everyone in your group properly dressed and equipped with a transceiver, probe and shovel?

• Do you have any backcountry knowledge or avalanche awareness training?

• For more information go to: www.avalanche.ca

1. What type of terrain are you heading into?

trip planner

danger r

atin

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efer

to p

ublic

bul

letin

s fo

r da

nger

ra

tings

at w

ww

.ava

lanc

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a

EXTREME

HIGH

CONSIDERABLE

MODERATE

LOW

avalanche terrain ratingTerrain definitions available at www.avalanche.ca*Use elevation specific danger rating **Use highest danger rating

NOT RECOMMENDED

EXTRA CAUTION

CAUTION

Remember to verify all information used during the trip planning stage at the trail head. Confirm that the trip decision is still within the comfort zone and skill level of your group.

Anomalies in terrain and avalanche conditions may exist. Users of the AVALUATORTM assume their own risk. © 2010 Canadian Avalanche Centre

SIMPLE* CHALLENGING** COMPLEX**

NOT RECOMMENDED - Conditions are primed for avalanche accidents. Even careful decisions can result in serious accidents. Backcountry travel under these conditions is not recommended without professional–level safety systems and guidance.

EXTRA CAUTION - Accidents are frequent and are likely to occur with human or natural triggers. Advanced avalanche skills are recommended for safe backcountry travel under these conditions.

CAUTION - These conditions are appropriate for informed backcountry travel in avalanche terrain. Always watch for isolated slabs and be especially careful if the avalanche bulletin mentions deep or persistent instabilities.

3. What does the Avaluator recommend?Combine the danger and terrain ratings on the Avaluator chart to manage risk.

AVALANCHE TERRAIN RATINGS

SIMPLEExposure to low angle or primarily forested terrain. Some forest openings may involve the runout zones of infrequent avalanches. Many options to reduce or eliminate exposure. No glacier travel.

CHALLENGINGExposure to well defined avalanche paths, starting zones or terrain traps; options exist to reduce or eliminate exposure with careful route finding. Glacier travel is straightforward but crevasse hazard may exist.

COMPLEXExposure to multiple overlapping avalanche paths or large expanses of steep, open terrain; multiple avalanche starting zones or terrain traps below; minimal options to reduce exposure. Complicated glacier travel with extensive crevasse bands or icefalls.

Note: Because of scale some of the areas classified have been generalized. For high resolution interactive digital maps check out the Online Trip Planner at www.avalanche.ca/cac

15001500

1500

1500

1000

1000

1500

1500

1500

1500

1500

1500

1500

1500

1500

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1500

L aw

l e s s C

r ee

k

Th

yn

ne

C

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ThynneMtn

B

r oo

k Cr e e k

Sp

ea

r i n g

Cr e

e

k

C o l d w a t e r R i v e r

Hi g

hw

a y 5

The TinShed

Andy's LakeShelter

BrookLake

Brookmere

0 1 2

Kilometres(10, 115)

(10, 350)

Inset Map DimensionsSize: 260mm x 94mmThe inset map edges should be 7mm in from each edge of themain map.

Main Map North ArrowFont: ESRI NorthSubset: Latin-1 SupplementUnicode: 179Size: 148Top Left Position: (15, 345)when Properties Frame Gap is set to X:0, Y:0

Main Map Scale BarScaleDivision: 1 kmNumber of divisions: 2Number of subdivisions: 2When resizing...: Adjust widthUnitsDivision Units: KilometersLabel Position: below barLabel: KilometresGap: 1.5 pt

NumbersFrequency: divisionsPosition: Above barGap: 1.5 ptMarksFrequency: no marks

FormatFont: ArialText Size: 10Bar Size: 3 pt

FormatBottom Right Position: (870, 120)

Inset Map North ArrowFont: ESRI NorthSubset: Latin-1 SupplementUnicode: 179Size: 45Top Left Position: (+2, -2) from top left corner of inset mapTop Left Position: when Properties Frame Gap is set to X:0, Y:0

Legend

Boundaries between classes are imprecise.

Class 3 - Complex

Class 1 - SimpleClass 2 - Challenging

Avalanche PathRoad

CabinDecision PointParking

15001500

1500

1500

1000

1000

1500

1500

1500

1500

1500

1500

1500

1500

1500

1500

1500

L aw

l e s s C

r ee

k

Th

yn

ne

C

re

ek

ThynneMtn

B

r oo

k Cr e e k

Sp

ea

r i n g

Cr e

e

k

C o l d w a t e r R i v e r

Hi g

hw

a y 5

The TinShed

Andy's LakeShelter

BrookLake

Brookmere

0 1 2

Kilometres(10, 115)

(10, 350)

Inset Map DimensionsSize: 260mm x 94mmThe inset map edges should be 7mm in from each edge of themain map.

Main Map North ArrowFont: ESRI NorthSubset: Latin-1 SupplementUnicode: 179Size: 148Top Left Position: (15, 345)when Properties Frame Gap is set to X:0, Y:0

Main Map Scale BarScaleDivision: 1 kmNumber of divisions: 2Number of subdivisions: 2When resizing...: Adjust widthUnitsDivision Units: KilometersLabel Position: below barLabel: KilometresGap: 1.5 pt

NumbersFrequency: divisionsPosition: Above barGap: 1.5 ptMarksFrequency: no marks

FormatFont: ArialText Size: 10Bar Size: 3 pt

FormatBottom Right Position: (870, 120)

Inset Map North ArrowFont: ESRI NorthSubset: Latin-1 SupplementUnicode: 179Size: 45Top Left Position: (+2, -2) from top left corner of inset mapTop Left Position: when Properties Frame Gap is set to X:0, Y:0

Legend

Boundaries between classes are imprecise.

Class 3 - Complex

Class 1 - SimpleClass 2 - Challenging

Avalanche PathRoad

CabinDecision PointParking

Warning: Mountain travel is dangerous –hazards exist. Spotting hazards and assessing their risk is your responsibility. Decision guides like the Avaluator cannot eliminate these hazards, but will help you understand and manage them. The Avaluator is no substitute for training, experience, and choosing skilled and responsible travel partners. Use the Avaluator and the information on this sign at your own risk. Travel the back country at your own risk.

Terrain Assessment Maps Warning: This map is illustrative only and should not be used to determine precise routes or location of features. The terrain ratings shown are an approximation and may assist with trip planning. Use the information provided on this map at your own risk.

CABIN

DECISION POINT

PARKING

AVALANCHE PATH

ROAD/TRAIL

TERRAIN RATED