Environment Canada's Official Text Forecasts

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Canadian Daily UV Index Forecast

* NOTE: Corrected and/or amended bulletins are listed first *

 
FPCN48 CWAO 221945
ENVIRONMENT CANADA FORECAST ULTRAVIOLET (UV) INDICES FOR SELECTED
CANADIAN CITIES FOR MONDAY NOVEMBER 23 2009. THE UV INDEX
BULLETIN IS ISSUED TWICE DAILY EVERY 12 HOURS. 
                                                                     
THE FORECAST MAXIMUM UV INDEX INCLUDES THE EFFECT OF CLOUDS AND      
WEATHER. ULTRAVIOLET INTENSITIES UNDER CLOUD COVER AND/OR            
PRECIPITATION WILL BE HIGHER THAN STATED IF SUNNY BREAKS OCCUR.      
                                                                     
VARIABLE CLOUD DAYS ALLOW FULL ULTRAVIOLET EXPOSURE DURING THE SUNNY 
PERIODS.                                                             
                                                                     
                               FCST UV                   TIMES UV    
LOCATION        WEATHER         INDEX      CATEGORY       ABOVE 3    
                                                                     
IQALUIT        SUNNY               0          LOW              NIL  
RESOLUTE       CLEAR               0          LOW           MISSING 
INUVIK         FLURRIES            0          LOW           MISSING 
RANKIN INLET   SNOW                0          LOW              NIL  
YELLOWKNIFE    OVERCAST            0          LOW              NIL  
WHITEHORSE     VARIABLE CLOUD      0          LOW              NIL  
 
VANCOUVER      VARIABLE CLOUD      1          LOW              NIL  
VICTORIA       VARIABLE CLOUD      1          LOW              NIL  
KAMLOOPS       MAINLY SUNNY        1          LOW              NIL  
NANAIMO        CLOUDY              1          LOW              NIL  
PORT HARDY     SHOWERS             1          LOW              NIL  
PRINCE RUPERT  SHOWERS             1          LOW              NIL  
KELOWNA        SHOWERS             1          LOW              NIL  
PRINCE GEORGE  FLURRIES            1          LOW              NIL  
CRANBROOK      FLURRIES            1          LOW              NIL  
CASTLEGAR      LIGHT RAIN          1          LOW              NIL  
 
EDMONTON       OVERCAST            1          LOW              NIL  
CALGARY        OVERCAST            1          LOW              NIL  
LETHBRIDGE     MAINLY CLOUDY       1          LOW              NIL  
RED DEER       INCRG CLOUDINESS    1          LOW              NIL  
MEDICINE HAT   SUNNY PERIODS       1          LOW              NIL  
BANFF          OVERCAST            1          LOW              NIL  
GRANDE PRAIRIE CLOUDY              1          LOW              NIL  
SASKATOON      SUNNY               1          LOW              NIL  
REGINA         MAINLY SUNNY        1          LOW              NIL  
YORKTON        MAINLY SUNNY        1          LOW              NIL  
THOMPSON       OVERCAST            1          LOW              NIL  
WINNIPEG       SUNNY               1          LOW              NIL  
 
THUNDER BAY    OVERCAST            1          LOW              NIL  
SUDBURY        CLOUDY              1          LOW              NIL  
WINDSOR        MAINLY CLOUDY       2          LOW              NIL  
TORONTO        CLEARING            2          LOW              NIL  
BARRIE         MAINLY CLOUDY       2          LOW              NIL  
LONDON         MAINLY CLOUDY       2          LOW              NIL  
OTTAWA         CLEARING            1          LOW              NIL  
KINGSTON       CLEARING            1          LOW              NIL  
MONTREAL       SUNNY               1          LOW              NIL  
SHERBROOKE     SUNNY               1          LOW              NIL  
QUEBEC         SUNNY               1          LOW              NIL  
STE-ADELE      SUNNY               1          LOW              NIL  
 
FREDERICTON    SUNNY               1          LOW              NIL  
SAINT JOHN NB  SUNNY               1          LOW              NIL  
SYDNEY         MAINLY CLOUDY       1          LOW              NIL  
HALIFAX        SUNNY               1          LOW              NIL  
CHARLOTTETOWN  MAINLY CLOUDY       1          LOW              NIL  
ST. JOHN'S NFL FLURRIES            1          LOW              NIL  
GOOSE BAY      MAINLY SUNNY        1          LOW              NIL  

ALL TIMES MENTIONED IN THIS BULLETIN ARE IN LOCAL TIME.
 
SUN TIP:
ALTHOUGH THE SUN IS NOT AS STRONG DURING THE FALL AND WINTER        
MONTHS, REFLECTION FROM WATER, ICE AND SNOW CAN INCREASE THE        
AMOUNT OF UV RECEIVED.                                              
 
                                                                     
UV CATEGORIES         UV INDEX RANGE (ROUNDED VALUES)                
                                                                     
   EXTREME                     11 OR HIGHER                          
  VERY HIGH                     8 TO 10                              
    HIGH                        6 TO 7                               
  MODERATE                      3 TO 5                               
    LOW                        LESS THAN 2                           
                                                                     
NOTE: UV INDEX VALUES ABOVE 3 INVOLVE USE OF DIFFERENT               
SUN-PROTECTIVE MEASURES.                                             
                                                                     
THIS BULLETIN WILL NOT BE AMENDED. CONTACT YOUR LOCAL ENVIRONMENT    
CANADA WEATHER OFFICE TO OBTAIN THE MOST UP-TO-DATE WEATHER AND UV   
INDEX INFORMATION