DBCP 20 WorkshopUS NAVY Use of Storm Data

Tropical Storm warnings

• 96 hours prior warning needed

• Go/No sortie decisions

• Surface vessels and airborne assets

• Remain in port or evacuate?– Evacuation Orders for Grand Marianas

• Ship track diversions

USNS BOWDITCH Prior to Storm Destruction

Tropical Atlantic 2004 Storm Season

Buoy locations (1Sep04)U.S. PortsBuoy initial positions (Jul04)

Hurricane Francis projected track (as of 1Sep04)

Hurricane Francis

Hurricane Ivan actual track (as of 9 Sep 04)Buoy initial positions (Jul 04)Buoy current positions (9 Sep 04)

Hurricane Ivan projected track (as of 9 Sep 04)

Hurricane Ivan

Buoy initial positions (July & August 04)Buoy current positions (28 Sep 04)

Hurricane Jeanne actual track as of 28 Sep 04

Hurricane Jeanne