연방환경청에서는 9월 15일 오후 3시 8분에 캘거리에 대설경보를 발령했다.
오늘(월요일)밤 동안에 최고 5cm 정도의 눈이 예상되며, 화요일 중에 약 10 cm 정도의 눈이 예상된다.
Environment Canada's Official Canadian Weather Warnings
CITY OF CALGARY
3:08 PM MDT MONDAY 15 SEPTEMBER 2003
HEAVY SNOWFALL WARNING FOR CITY OF CALGARY ISSUED
...FIRST TASTE OF WINTER....
A MOIST PACIFIC DISTURBANCE MOVING INTO SOUTHERN ALBERTA TONIGHT.. COMBINED WITH A COLD OUTFLOW OF AIR FROM AN ARCTIC HIGH PRESSURE AREA WILL COMBINE TO GIVE SIGNIFICANT SNOWFALLS TO THE FOOTHILLS AND MOUNTAIN AREAS OF SOUTHERN ALBERTA TONIGHT AND TUESDAY.
SNOW WILL DEVELOP FIRST NEAR THE ELBOW AT HINTON SPREADING SOUTHWARD THROUGH THE MOUNTAIN PARKS. RAIN IS EXPECTED TO CHANGE TO SNOW AT CALGARY CLOSE TO MIDNIGHT.. AND THEN CONTINUE TO SPREAD SLOWLY SOUTHWARD AND EASTWARD. PRECIPITATION IS MORE LIKELY TO BE IN THE FORM OF RAIN NEAR THE USA BORDER AND NEAR THE SASKATCHEWAN BORDER.
SNOW SHOULD BEGIN TO TAPER OFF TUESDAY AFTERNOON.
THE HEAVIEST SNOWFALL ACCUMULATIONS ARE EXPECTED IN THE KANANASKIS.. BANFF AND JASPER AREAS WHERE UP TO 25 CENTIMETRES ARE POSSIBLE.. ESPECIALLY IN THE HIGHER TERRAIN. TOTAL ACCUMULATIONS WILL TAPER OFF TO 5 CM HEADING SOUTHWARD TO PINCHER CREEK AND LETHBRIDGE AND HEADING EASTWARD TO DRUMHELLER.. RED DEER AND BROOKS.