Emergency Plan - Grand Strand Water and Sewer Authority

EVENT SPECIFIC GUIDELINES 1
HURRICANE
(ESG-1)
3.1. Hurricane
3.1.1. SITUATION
GSWSA and its service area are susceptible to all levels of tropical cyclones, from tropical
depressions to severe category 5 hurricanes. These tropical cyclones produce three major
hazards: high winds, storm surge / wave action, and rainfall induced flooding.
“Hurricane Season” for the Atlantic Ocean is June 1 through November 30 each year, although
tropical cyclones have occurred outside of these dates on rare occasion.
3.1.2. THREAT or HAZARD INFORMATION
Tropical Depression: An organized system of clouds and thunderstorms with a defined
circulation and maximum sustained winds of 38 mph (33 knots) or fewer.
Tropical Storm: An organized system of strong thunderstorms with a defined circulation and
sustained winds of 39 to 73 mph (34-63 knots).
Hurricane: An intense tropical cyclone with a well-defined circulation and sustained winds of
74 mph (64 knots) or higher. A hurricane’s strength is rated based on its maximum sustained
wind speed.
Grand Strand Water & Sewer Authority 83 CONFIDENTIAL MATERIALS
Emergency Management Plan
SECURITY SENSITIVE
June 7, 2013
NOT FOR PUBLIC DISCLOSURE