The eastbound lanes of the 403 to the 407 eastbound ramp were closed, along with the eastbound QEW to 407.

The QEW westbound at Guelph Line and the 407 at Appleby Line was also closed .

Cavendish Creek, which sits south of Upper Middle and east of Brant Street, also overflowed.

According to Ontario Provincial Police Sergeant Kerry Schmidt, catch basins were clogged in many areas as a result of flash flooding.

Detective constable Mark Urie of Burlington police said no emergency protocols have been initiated. Officers are busy diverting traffic and assisting with road closures. He said they have not received many vehicle collision calls, but lots of cars have been stranded with occupants left to wait for help in the heavy rainfall.

The city's fire department was overwhelmed with incoming calls.

Halton police chief Steve Tanner thanked the "front line members" for their hard work, including fire and EMS.

Hamilton was lucky enough to avoid the storm. The official warning from Environment Canada ended at 9:10 p.m. The thunderstorms started in the Burlington area and extend westward towards Freelton.

rachaelwilliams@thespec.com

905-526-3240