NYC is Crowdsourcing Irene Response with Ushahidi

NYC is turning to crowdsourcing to augment its 311 telephone reporting system. Visit NYC Severe Weather  to report a problem or see what others have reported.

The site is powered by Ushahidi. In their own words,

We are a non-profit tech company that develops free and open source software for information collection, visualization and interactive mapping.

You can also file reports from your phone by texting IRENE to 877877.