Good morning, Attached is an updated briefing package for the Winter Storm to impact the region Tuesday. Since our briefing Sunday afternoon, here is what has changed - - Axis of heaviest snow has shifted southward into CT, RI and along/south of the Mass Pike, including the Greater Boston area - Arrival of snow is slightly slower/later, between 4 AM and 8 AM Tuesday - Winter Storm Watches for southern RI and southeast MA have been upgraded to Winter Storm Warnings for increased confidence in 6+ inches of snowfall - High Wind Watches for Cape Cod and the islands have been upgraded to High Wind Warnings for increased confidence in wind gusts up to 60 mph - Coastal Flood Watches from Boston southward to Cape Cod and the islands have been upgraded to Coastal Flood Warnings for increased confidence in moderate coastal flooding This will be a short duration but high impact winter storm Tuesday, with the heaviest snowfall approximately from 9 AM to 3 PM, except 12 PM to 5 PM across Cape Cod. Additional details can be found in the attached briefing package. We will provide an updated briefing package no later than 6 PM Monday. We've also attached a model simulation of the hourly snowfall rates. These aren't expected to be exact, but should give a rough idea of overall timing and impacts. Let us know if you have any questions, comments or concerns. Otherwise, good luck with the storm and have a great day. Meteorologists Bill Leatham & Frank Nocera If you have any questions or would like more information, please don't hesitate to contact us. You can reach us via: email: box.operations@noaa.gov phone: 508.622.3280 Slack/NWSChat 2.0 <https://nwschatws.slack.com/> (for approved partners) social media: Website <http://www.weather.gov/boston> | Facebook <http://www.facebook.com/NWSBoston> | Twitter <http://www.twitter.com/NWSBoston>