Florida Hurricane Impact Zones
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Florida hurricane impact zones. An estimated 100 000 people were evacuated from the area before the hurricane s impact. Except the florida panhandle where the region lies within 1 mile of the coast. In order to know when to evacuate for hurricane surge flooding you must know your zone. Design pressure based on 15 ft2 wall zone 5 exposure c and 30 ft roof height.
Wind speeds are strength design methodology asce 7 10 category ii structures. Wind borne debris region where design speeds are greater than 120 mph or greater than 110 mph if within 1 mile of the coast. Furthermore the high velocity hurricane zone hvhz section of the fbc states every exterior opening residential or commercial must be provided with protection by shutters or impact resistant windows against wind borne debris caused by hurricanes. High velocity hurricane zone of miami dade.
Hurricane impact requirements for 2012 ibc irc and 2010 florida building code note. Models also project greater rainfall rates in hurricanes in a warmer climate with increases of about 20 averaged near the center of hurricanes protecting lives is top priority when a hurricane or severe storm blows through town but high velocity hurricane zones hvhz homes and buildings are a close second. The missile impact cyclic load test is designed to evaluate a fenestration system s performance against windborne debris. The greatest killer of people during hurricanes is storm surge the dome of water pushed ashore by powerful hurricane winds.
Although not all of florida is required to have impact resistant windows miami dade county has. But nothing compares to hurricane michael in 2018 and the most powerful on record in the florida panhandle. In fact since the 2008 atlantic hurricane season there have been a record number of consecutive storms according to the national oceanic and atmospheric administration s noaa. Pressures for 140 based on 150 mph table 2.
This article can help you avoid this kind of hurricane damage when moving to florida. Entire buildings can be moved and can cause more damage than the winds of a hurricane itself. Wind zone as de ned in astm e1996 09 4. Now building products sold in florida are put to the test to prove they can stand up to the challenges presented by hurricane zones.
So even before florida s 6 month hurricane season began tropical storm bertha that originally formed off the coast of florida made its way up the coast and hit south carolina on may 2020. Hurricane michael made landfall with a category five status making it the us s strongest storm since hurricane andrew ravaged southern florida in. High velocity hurricane zones impact tests for wind borne debris 1626 1 all parts or systems of a building or structure envelope such as but not limited to exterior walls roof outside doors skylights glazing and glass block shall meet impact test criteria or be protected with an external protection device that meets the impact test criteria. The impact ratings test is intense.