"Severe thunderstorms possible this afternoon and tonight.
This is  an alert to the potential development of severe thunderstorms with  large hail, damaging winds or heavy rainfall..Monitor weather conditions  and listen for updated bulletins.
Warm and humid mid-summer conditions are in place over the regions and  thunderstorms are expected to develop early this afternoon or this  evening due to an approaching cold front. There is the potential for  heavy downpours with these storms giving rainfall amounts in the 50 to  80 millimetre range in an hour or two. There is also the possibility of  some locations receiving repeated thunderstorms and locally higher  amounts. Severe thunderstorms this afternoon or tonight may also produce  damaging winds in excess of 90 km/h and hail is also a possibility."