420 WACN36 CWEG 221244 AIRMET R1 ISSUED AT 1243Z CWEG- AMEND GFACN36 CWUL 221130 ISSUE WTN 50 NM OF LN /6818N08233W/40 SW HALL BEACH - /7001N08148W/40 N IGLOOLIK. ADD MDT MECH TURB BLO 30 AGL AND PTCHY 1/4-2SM -SN BLSN. AT 12Z HALL BEACH REPD 30025KT AND 1/2SM -SN BLSN. AREA QS. VIS IMPRG BY 18Z, TURB RMNG FOR PD. END/GFA36/SDK/CMAC-W