THIS WEEK IN MAPS, for Sunday, October 30, 2011: A late October snowstorm is heading up the East Coast of the United States for Halloween. Here's maps of the affected areas, showing what parts of the electrical grid have had the worst impact from the heavy, wet snow in the forecast.
New Hampshire
As of 2:00 a.m. Sunday, 32% of PSNH customers are without power.

Massachusetts
NSTAR list of power outages by town (PDF) for midnight, Sunday; no map. The NSTAR outage center lists contacts. Over 52,000 customers without power out of 1.1 million served (5%).
National Grid at 1:30 a.m. on Monday shows substantial outages statewide.

Connecticut
Connecticut Light and Power, a Northeast Utilities company, has a map that shows that the outages from the storm are worse than from Hurricane Irene. Over 700,000 of CLP's 1.2 million customers are without power (56%) as seen on this map as of 1:38 a.m. Sunday, October 30. Area codes affected include 203, 475, and 860.

The Ridgefield Press storm live blog notes trees down, power outages, traffic accidents, electrical fires due to trees falling on live wires, and other storm-related damage in Ridgefield, CT.
More local news coverage of southwestern Connecticut news from papers in the Hersam Acorn Newspapers chain.
Power consumption, actual and forecast, from CT Energy Info.
New Jersey
Eastern Pennsylvania, Philadelphia
The PhillyBurbs.com story about the outages has photos of the tree damages in Bucks and Montco counties. PECO spokesman spokesman Ben Armstrong told the paper that Saturday’s storm was the worst October storm in the utility’s history.
West Virginia, Western Pennsylvania
Is Your Power Out? Call 1-800-Allegheny (1-800-255-3443) and let us know.
Map as of 8:06 a.m., Saturday, October 29, 2011.

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== Updates ==
* Tue 8:30 a.m. PA, NJ, CT updates
* Sun 2:25 a.m. More CT including Hersham Acorn news chain for SW CT
* Sun 2:00 a.m. Connecticut Light and Power
* Sat 8:21 a.m. start work on map collection for Sunday "publication"; Allegheny Electric