Hurricane Strengths and Storm Surge

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A TROPICAL CYCLONE IS A ROTATING LOW PRESSURE WEATHER SYSTEM WITH ORGANIZE THUNDERSTORMS, BUT NO FRONTS.
TROPICAL CYCLONES WITH MAXIMUM SUSTAINED SURFACE WINDS LESS THAN 39 MILES-PER-HOUR ARE CALLED TROPICAL DEPRESSIONS. THOSE WITH MAXIMUM SUSTAINED WINDS 39 MPH OR HIGHER ARE CALLED TROPICAL STORMS. WHEN A STORM’S MAXIMUM WINDS REACH 74 MPH IT IS CALLED A HURRICANE.
THE SAFFIR-SIMPSON HURRICANE WIND SCALE IS A ONE-TO-FIVE RATING OR CATEGORY BASED ON A HURRICANE’S MAXIMUM SUSTAINED WINDS. THE HIGHER THE CATEGORY THE GREATER THE HURRICANE’S POTENTIAL FOR PROPERTY DAMAGE.
A CATEGORY 1 HURRICANE HAS WINDS IN THE 74-TO-95 MPH RANGE. DANGEROUS WINDS CAUSING MINIMAL DAMAGE.
CAT 2 WINDS ARE IN THE 96-TO-110 MPH RANGE. EXTREME WINDS CAUSING EXTENSIVE DAMAGE.
CAT 3 WINDS IN THE 111-TO-129 RANGE ARE EXTREME CAUSING DEVASTING DAMAGE.
CAT 4 PRODUCES WINDS OF 130-TO-156 MPH. THESE EXTREME WINDS CAUSE CATASTRPHIC DAMAGE.
CATEGORY 5 SEES WINDS OF 157 MPH OR HIGHER. AGAIN, EXTREME AND EXPECT CATASTROPHIC DAMAGE.
POWERFUL WINDS AREN’T THE ONLY DEADLY FORCE DURING A HURRICANE. THE GREATEST THREAT TO LIFE ACTUALLY COMES FROM THE WATER IN THE FORM OF STORM SURGE.
STORM SURGE IS WATER FROM THE OCEAN PUSHED TOWARD THE SHORE BY THE FORCE OF THE WINDS SWIRLING AROUND THE HURRICANE. THIS ADVANCING SURGE COMBINES WITH THE NORMAL TIDES AND CAN INCREASE THE WATER LEVEL BY 30-FEET OR MORE.
STORM SURGE COMBINED WITH WAVES CAN CAUSE EXTENSIVE DAMAGE. IT CAN SEVERELY ERODE BEACHES AND COASTAL HIGHWAYS. THE POUNDING WAVES CAN TAKE OUT BOATS AND BUILDINGS. AS THE WATER MOVES INLAND RIVERS AND LAKES MAY BE AFFECTED, ADDING TO RISING FLOOD LEVELS.

https://oceanservice.noaa.gov/facts/hurricane.html

https://www.msn.com/en-us/weather/topstories/here-is-the-list-of-names-for-the-2021-atlantic-hurricane-season/ar-BB1dWOaU

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