Official NHC Advisory page:
http://www.nhc.noaa.gov/
Solid twitter follows:
@Ryan_Maue - frequent updates usually with recent model data/maps every couple hours
@Jeff_Piotrowski - Storm chaser, headed to Marco Island then probably a bit north of there Saturday PM
@Jim_Edds - Storm chaser, currently in Key West.
@NOAA_HurrHunter - Recon flight updates.
@EricBlake12 - NHC scientist, posts lots of maps and charts that don't fit on NHC advisory.
Wunderground blog - only updated once or twice a day but always has tons of info.
https://www.wunderground.com/cat6/irma-pounding-cuba-cat-3-likely-be-cat-3-or-4-florida
TWC:
+ Show Spoiler +
If anyone has any other resources to share I'd be more than happy to add them here or just link to them in a thread. Felt this deserved it's own topic for the next few days instead of just chatter in politics thread. Hard to see how this isn't one of the most significant storms in decades for Florida.