150  
WWCN02 CYTR 201754  
WEATHER BULLETIN FOR CFB SUFFIELD DRDC/BATUS ACC AND RANGE SUFFIELD  
PREPARED BY THE JOINT METEOROLOGICAL CENTRE AT 10:54 AM MST MONDAY  
20 JANUARY 2025.  
 
LOCATION: CFB SUFFIELD DRDC / BATUS ACC AND RANGE (CYSD)  
 
TYPE: WIND CHILL ADVISORY IN EFFECT  
DESCRIPTION: WIND CHILL INDEX OF MINUS 35 OR COLDER  
VALID: UNTIL 20/2000Z (UNTIL 20/1300 MST)  
 
COMMENTS: WIND CHILL ADVISORY EXTENDED.  
 
AN ARCTIC AIR MASS CONTINUES TO PROVIDE COLD WIND CHILLS ACROSS THE  
PRAIRIES. WIND CHILLS NEAR MINUS 35 ARE EXPECTED BEFORE WARMING  
EARLY THIS AFTERNOON IN A SOUTHERLY FLOW.  
 
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WIND CHILL INDEX  
-25 TO -39: INCREASING RISK OF FROSTBITE.  
EXPOSED SKIN AREAS CAN FREEZE IN 10 TO 30 MINUTES.  
-40 TO -47: HIGH RISK OF FROSTBITE.  
EXPOSED SKIN AREAS CAN FREEZE IN 5 TO 10 MINUTES.  
-48 TO -54: VERY HIGH RISK OF FROSTBITE.  
EXPOSED SKIN AREAS CAN FREEZE IN 2 TO 5 MINUTES.  
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NEXT UPDATE: THIS BULLETIN WILL BE UPDATED BY 20/2000Z (20/1300 MST)  
 
END/JMC  
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