National Weather Service United States Department of Commerce
Shift briefing at NWS Charleston, SC  

In order to support our core partner's ever-changing and complex decisions to ensure public safety and the effective use of resources, NWS Charleston, SC offers Impact-Based Decision Support Services (IDSS) for southeast Georgia and South Carolina.  IDSS can include forecast advice and interpretive services when weather, water, or climate has a direct impact on the protection of lives and property, can be recurring or episodic, and delivered remotely or on-site.


Use this form to request NWS weather support for a vulnerable outdoor event located within our forecast area. PLEASE SUBMIT NO LATER THAN 1 WEEK PRIOR TO THE EVENT.


Who can request IDSS?


NWS Core Partners are government and non-government entities which are directly involved in the preparation, dissemination and discussions involving weather, water or climate-related NWS information, that supports decision making for routine or episodic, high-impact events.  This includes:

  • Emergency Management community
  • Public Safety officials
  • Government partners
  • Water Resources Management community

How do I request support for an event?


Please utilize the following form to provide information on the event you are requesting support and the parameters of support you are requesting. If you are unable to submit your request using the form below, please email a detailed request to