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Our Experience

Behind the Scenes of HurricaneMapping

We are Sea Island Software, Inc., a company specializing in hurricane threat assessment. is our storm tracking service for Google Earth and ESRI's ArcGIS.

Sea Island Software

Our Company and Services

At Sea Island Software, we are always looking for useful ways to combine our talents in meteorology and information technology. Our flagship product is HURREVAC, a highly-regarded storm tracking and decision assistance software program. From its origins in 1988, HURREVAC has grown into a feature-rich program currently used by more than 12,000 government emergency managers worldwide.

For more than 20 years, we have been providing high quality products, reliable round-the-clock datafeeds, and dedicated customer support to the emergency management community.'s datafeeds are designed to be both an extended service to our existing customers in the public sectors as well as a stand-alone service to new private-sector customers.

Our Partners

IDV Solutions, LLC

IDV Solutions, LLC is the global leader in delivering Enterprise Risk Visualization capabilities through software and services that enable organizations to protect their assets, ensure continuity of operations and optimize performance. Its Visual Command Center software is used in functions such as security, field services, supply chain, and operations. By repeatedly solving key problems for customers in the Global 2000 and government, IDV and its products have earned a reputation for delivering immediate value and building risk resilient organizations. For more information, please visit

Swift Weather®

Developer of Weather Defender, SWIFT Weather has served thousands of commercial, government and residential customers with a trusted, award-winning suite of weather-tracking and analysis software. Our solutions enable businesses, agencies and citizens to accurately predict where severe weather will strike, maximize preparation time, and formulate appropriate response. For more details and a free evaluation copy, visit


Dewberry is a professional services firm with expertise in hurricane preparedness, planning, response, and recovery. Dewberry has teamed up with Sea Island Software to provide its clients with comprehensive emergency management software solutions that are customized to the particular needs of individual communities and agencies.


If you are interested in a possible partnership or resale arrangement with Sea Island Software, we would be glad to talk with you. Please contact Karen Townsend:

Sea Island Software, Inc.
1205 W. Main St, Ste 211
Richmond, VA 23220


In 2004, Sea Island Software's founder, John Townsend received the National Hurricane Conference's Neil Frank Award

(This is the NHC's top award, presented each year to an individual who has made a major impact in hurricane preparedness, response, recovery, mitigation, or related fields.)