Orange Warning - Severe Thunderstorm

At 5:42 p.m. EDT, Environment Canada meteorologists are tracking a line of dangerous thunderstorms capable of producing damaging wind gusts, loonie to ping pong ball size hail and extremely heavy rain.

Thunderstorm Location: From areas west of Ottawa to near Gatineau.

Motion: Moving southeastward near 40 km/h

Hazards: Wind: damaging (90 - 110 km/h) Hail: up to toonie size (up to 3 cm) Rain: 75 mm and locally near 125 mm near south Ottawa

Discussion: A line of thunderstorms will move from west to east across the regions and continue early this evening. 99 millimeters of rain has been reported at the Ottawa International Airport and may receive total amounts near 125 millimeters by this evening due to several thunderstorms. The rain may stay west of Prescott and Russell.

Locations in the path: Constance Bay, Gleneagle, Heyworth, Quinnville, Chelsea, Old Chelsea, Hollow Glen, Angers, Dunrobin, Kinburn, Gatineau, Templeton, Pointe-Gatineau, Cumberland, Kilroy Crescent, Marathon Village, Orléans, Hull, Beaconwood, Vanier, Aylmer, Carp, Blackburn Hamlet, Ottawa, Sarsfield, Navan, Mooneys Bay Beach, Kanata, Bells Corners, Bowesville, Stittsville, Vars, Barrhaven, South Gloucester, Limoges, Casselman, Russell, Embrun

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Travel delays and/or cancellations are likely. Driving conditions will likely be difficult. Utility outages are likely. Heavy rain will likely cause flash flooding and significant reductions to visibility. Fast-moving and rapidly rising water can sweep vehicles away and damage infrastructure.

Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.