935  
FXCN38 CWUL 250545  
TAF FORECASTER NOTES ISSUED BY THE CANADIAN AVIATION METEOROLOGICAL  
CENTRE AT 0615 UTC SUNDAY 25 FEBRUARY 2018.  
 
CYYZ - TORONTO/LESTER B PEARSON INTL.  
 
A MAJOR LOW PRESSURE SYSTEM APPROACHING FROM THE MIDWEST WILL BRING  
RAIN, MIST AND LOW STRATUS FOR PEARSON TONIGHT. PRECIPITATION COULD  
START AS FREEZING RAIN BUT IT SHOULD NOT LAST LONG. RAIN COULD BE  
MODERATE AT TIMES WITH 24000FT TCU.  
 
SUNDAY...THE COLD FRONT ASSOCIATED WITH THE MAJOR LOW WILL MOVE  
ACROSS SOUTHERN ONTARIO NEAR 15Z, AND SKY SHOULD CLEAR RAPIDLY BEHIND  
IT. AHEAD OF THE COLD FRONT, A 60KT SOUTHWESTERLY LOW-LEVEL JET COULD  
PRODUCE SOME SIGNIFICANT DIRECTIONAL WINDSHEAR WITH THE EASTERLY  
SURFACE WINDS. BEHIND THE COLD FRONT, WINDS WILL BECOME MODERATE AND  
GUSTY FROM THE SOUTHWEST. THEREFORE, MODERATE MECHANICAL TURBULENCE  
IS FORECAST BELOW 3000 FEET.  
 
SUNDAY NIGHT...MAINLY CLEAR SKIES AND MODERATE WESTERLY WINDS UNDER A  
RIDGE OF HIGH PRESSURE.  
 
OUTLOOK FOR MONDAY..MAINLY CLEAR SKIES AND MODERATE GUSTY WESTERLY  
WINDS.  
 
WEATHER VARIABILITY: LOW.  
 
FORECASTER CONFIDENCE NEXT 3 HOURS: HIGH.  
 
FORECASTER CONFIDENCE NEXT 6 HOURS: HIGH.  
 
END/CMAC-E/BROCHU  
 
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