AWCN15 CWWG 181805
WEATHER SUMMARY
FOR ALBERTA
ISSUED BY ENVIRONMENT CANADA
AT 11:05 A.M. MST THURSDAY 18 DECEMBER 2025.

DISCUSSION.

A VERY INTENSE ALBERTA CLIPPER BROUGHT STRONG WINDS, SNOW AND 
BLOWING SNOW ACROSS ALBERTA ON WEDNESDAY. CENTRAL ALBERTA WAS MOSTLY 
IMPACTED BY HEAVY SNOW, WHILE SOUTHERN ALBERTA WAS IMPACTED BY 
STRONG WINDS AND BLOWING SNOW. NEAR ZERO VISIBILITY IN BLOWING SNOW, 
LASTING FROM 3 TO 5 HOURS, LED TO EXTREMELY HAZARDOUS TRAVEL 
CONDITIONS ON ALL HIGHWAYS ACROSS THE SOUTH, INCLUDING AROUND THE 
CITY OF CALGARY WHERE A COLLISION INVOLVING 80-100 VEHICLES LED TO 
THE CLOSURE OF ONE OF ALBERTA'S MAJOR HIGHWAYS FOR MOST OF THE DAY. 
FURTHER SOUTH, ALONG THE HIGHWAY 3 CORRIDOR AND ALONG THE US BORDER, 
WIND GUSTING FROM 100-131 KM/H WAS REPORTED AND LED TO DOWNED TREES, 
HAZARDOUS TRAVEL AND SOME POWER DISRUPTIONS. 

HERE IS A SUMMARY OF THE WEATHER ELEMENTS FROM WEDNESDAY'S WINTER 
STORM. 

THE FOLLOWING SNOWFALL AMOUNTS (IN CENTIMETRES) WERE RECORDED BY 
ENVIRONMENT AND CLIMATE CHANGE CANADA'S OBSERVATION NETWORK. NOTE 
THAT STRONG WINDS MADE SNOW MEASUREMENTS DIFFICULT AND AMOUNTS MAY 
BE ESTIMATES. 

BANFF: 15 
EDMONTON INTERNATIONAL AIRPORT: 13 
EDMONTON (BLATCHFORD): 11 
CAMPSIE: 11 
GRANDE PRAIRIE: 9 
STONY PLAIN: 8 
EDSON: 7 
ELK ISLAND: 7 
WAINWRIGHT: 7 
CALGARY: 2-5 

SUMMARY OF PEAK WIND GUSTS, IN KILOMETRES PER HOUR: 

ONEFOUR: 131 
WATERTON PARK GATE: 126 
LETHBRIDGE: 113 
BOW ISLAND: 107 
BEAVER MINES: 106 
PINCHER CREEK: 102 
CARWAY: 98 
BROOKS: 96 
CARDSTON: 91 
MEDICINE HAT: 87 
MILK RIVER: 87 
CALGARY: 81

PLEASE NOTE THAT THIS SUMMARY MAY CONTAIN PRELIMINARY OR UNOFFICIAL 
INFORMATION AND DOES NOT CONSTITUTE A COMPLETE OR FINAL REPORT.

END/PASPC