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FPCN48 CWAO 091945 Environment Canada forecast ultraviolet (uv) indices for selected Canadian cities for Sunday December 10 2006. 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 light snow 0 low nil Resolute clear 0 low missing Inuvik incrg cloudiness 0 low missing Rankin Inlet missing 0 low nil Yellowknife overcast 0 low nil Whitehorse variable cloud 0 low nil Vancouver showers 1 low nil Victoria showers 1 low nil Kamloops mainly cloudy 1 low nil Nanaimo rain 1 low nil Port Hardy showers 1 low nil Prince Rupert occasional rain 0 low nil Kelowna isolated showers 1 low nil Prince George mainly cloudy 1 low nil Cranbrook flurries 1 low nil Castlegar rain 1 low nil Edmonton cloudy 1 low nil Calgary mainly sunny 1 low nil Lethbridge sunny periods 1 low nil Red Deer variable cloud 1 low nil Medicine Hat incrg cloudiness 1 low nil Banff overcast 1 low nil Grande Prairie variable cloud 1 low nil Saskatoon variable cloud 1 low nil Regina overcast 1 low nil Yorkton overcast 1 low nil Thompson sunny 1 low nil Winnipeg overcast 1 low nil Thunder Bay sunny 1 low nil Sudbury mainly cloudy 1 low nil Windsor variable cloud 2 low nil Toronto variable cloud 2 low nil Barrie sunny periods 2 low nil London variable cloud 2 low nil Ottawa mainly cloudy 1 low nil Kingston mainly cloudy 1 low nil Montreal cloudy 1 low nil Sherbrooke flurries 1 low nil Quebec flurries 1 low nil Ste-Adele cloudy 1 low nil Fredericton mainly cloudy 1 low nil Saint John NB cloudy 1 low nil Sydney mainly cloudy 1 low nil Halifax sunny periods 1 low nil Charlottetown cloudy 1 low nil St. John's Nfldflurries 1 low nil Goose Bay flurries 1 low nil All times mentioned in this bulletin are in local time. Sun tip: During the fall season, the sun s strength decreases. Reflections from water, ice or 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