Toronto was drenched with 90 mm of rain -- the amount received in a typical month -- in less than two hours this afternoon, causing floods, power outages and transit stoppages that have brought evening commuters across much of the GTA to a halt.

Pearson airport has reported 90, yes 90 mm of rain in past 2 hours, more than 1 month's worth #onstorm

— Chris Scott (@ChrisScottWx) July 8, 2013

Photos pouring out from Twitter feeds show a CN Tower gone dark;

Power out in the CN Tower / Rogers Centre #darkTO http://t.co/gWUD3Ul6fx

— Graham Rowlands (@beachrockinc) July 8, 2013

Cars on the highway nearly submerged;

Take a look at 427 and Burnhamthorpe. This is absolutely unreal: pic.twitter.com/dfdl3iqpVT #darkTO

— Elamin Abdelmahmoud (@elamin88) July 8, 2013

I thought Toronto friends were over-reacting to the flooding, but I was wrong MT @kenseto: Most insane flood pic http://t.co/uhnCQnWM46

— Mathew Ingram (@mathewi) July 8, 2013

And, in the midst of the chaos, random acts of kindness.

#darkto #libertyvillage a random act of kindness. Give these men a beer... pic.twitter.com/gSVwAc2xyF

— Rowan Hick (@rowan_h) July 8, 2013

Currently 300,000 across Toronto have lost power.

@TorontoHydro says approx. 300,000 customers out across Toronto. Crews are working to restore power as quickly as possible. #darkTO

— Irene Preklet (@Irene680News) July 8, 2013

According to Anthony Farnell, chief meteorologist at Global News Toronto, the storms will get worse.

The very bad flood situation around the GTA is about to get worse. Round 2 developing and could drop another 50mm+ pic.twitter.com/dbBTI1T1DZ

— Anthony Farnell (@AnthonyFarnell) July 8, 2013

Colleen Kimmett is an editor at The Tyee.