TWO SNOWBOARDERS ARE FORTUNATELY ALSO STILL ALIVE AFTER DISCOVERING A THING OR TWO ABOUT AVALANCHE ACTIVITY IN UPPER BIG COTTONWOOD CANYON YESTERDAY AFTERNOON! SEVERAL PEOPLE HAD SKIED OR BOARDED PARTS OF THIS SLOPE YESTERDAY BUT THESE TWO PUSHED INTO A STEEPER AND MORE WIND LOADED SECTION AND TRIGGERED A DEEP AVALANCHE. THE SLIDE BROKE 2 TO 3 FEET DEEP AND ABOUT 150 FEET WIDE. THE BOARDERS DID NOT HAVE BEACONS OR SHOVELS BUT LUCKILY NEITHER ENDED UP BURIED. ONE OF THEM WAS ABLE TO GET OFF TO THE SIDE WHILE THE OTHER WAS BURIED ABOUT WAIST DEEP. DRIFTING FROM TUESDAY'S STRONG WINDS AND THE BIT OF NEW SNOW OVERLOADED A LURKING WEAK LAYER DATING FROM BACK IN NOVEMBER, MAKING IT SENSITIVE TO THE WEIGHT OF THE TWO BOARDERS. ALL OF US NEED TO TAKE A WARNING FROM THIS CLOSE CALL. EVEN IF YOU THINK THE SNOW IS STABLE, STILL ONLY EXPOSE ONE PERSON AT A TIME. CARRY AVALANCHE BEACONS AND SHOVELS WHEN YOU ARE IN AVALANCHE TERRAIN. SKI AREA TERRAIN THAT IS NOT OPEN DOES NOT HAVE AVALANCHE CONTROL AND IS JUST LIKE THE BACKCOUNTRY. AND FINALLY, TRACKS DON'T PROVE THE SLOPE IS SAFE.