Hurricane Sandy: Essential links
Here is a selection of links to help you keep updated on the progress of Hurricane Sandy and find other useful information.
The National Oceanic and Atmospheric Administration's (NOAA) dedicated Hurricane Sandy page contains links to the latest advisories, satellite images and weather reports.
The NOAA's National Weather Service page has the latest US weather reports.
The NOAA's National Hurricane Centre has the latest US hurricane advisories.
The BBC's Hurricane Sandy Twitter list contains more feeds currently tweeting on the storm.
The Federal Emergency Management Agency (Fema) has advice on hurricane preparation and evacuation plans.
The American Red Cross has a search tool and map to help you find your nearest emergency storm shelter, or text SHELTER and a Zip Code to 43362 (standard rates apply).
The latest information on sea levels and high tides is available from the NOAA's National Ocean Service.
Google's interactive crisis map of the hurricane shows the predicted path of the storm, the affected areas and links to local weather reports and warnings.
This live map shows the winds currently flowing over the United States.
Many of the major US broadcasters and newspapers are running online live pages on the storm, including CNN and the New York Times. The Weather Channel is providing continuous coverage of the impact of Sandy.
New York: The NY-Alert web portal has some of the latest information and alerts from state authorities, or follow @NYSDHSES for updates. New York residents can call the Hurricane Sandy helpline on 1-888-769-7243 or 1-518-485-1159 for updates and shelter advice or visit Google's New York City crisis map.
Ohio: The state is preparing for the storm's arrival at OEMA
Pennsylvania: Visit Pennsylvania's Emergency Management Agency website here.
Connecticut: Visit the Connecticut governor's website for information or call 211 for storm shelter information in the state.
Vermont: State contact numbers can be found here
Delaware: Visit the Delaware Emergency Management Agency website for more information, or residents can call the Delaware Hurricane Sandy Hotline on (800) 464-4357.
Washington DC: The District of Columbia website has information on relief centres as well as public building and transport closures.
Air travel has been significantly disrupted. The Port Authority of New York and New Jersey has information on flights from John F Kennedy, LaGuardia, Newark Liberty, Stewart, and Teterboro
In the UK, the Foreign office has issued updated travel advice for those planning to travel to the US.