The Ejército Mexicano (Mexican Army) rolled into Nuevo Laredo on September 8, 2005, as Hurricane Katrina slammed into southern Louisiana after making landfall in New Orleans. A line of forty-five military vehicles filled with up to 195 military personnel drove along IH-35 as they worked their way to...
I'd still check to see if you can do any volunteering remotely. Maybe one of these non-profits or organizations could use someone to gather information about key things for them. Or perhaps they need someone to make some calls for them, verify locations/records/data points/contact information, etc.