1. 2017 ATLANTIC BASIN HURRICANE SEASON: IRMA AUG. 30—SEPT. ?, 2017
Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA
lecture by Walter Hays Uploading date: September 7, 2017
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2. WILL HURRICANE IRMA CAUSE DISASTERS IN THE CARIBBEAN, IN FLORIDA
WILL HURRICANE IRMA CAUSE DISASTERS IN THE CARIBBEAN, IN FLORIDA? ALONG THE EAST COAST OF THE USA? ALONG THE GULF COAST? OR, MIRACULOUSLY DIE IN THE COLD ATLANTIC WATERS?

3. 2017: THE FIRST SIX NAMED ATLANTIC BASIN STORMS
ARLENE – JUNE 9; DIED QUICKLY
BRET – JUNE 13; RAIN
CINDY – JUNE 19-23; LOTS OF RAIN
DON – July 17, DIED IN ATLANTIC
EMILY – July 17, DIED IN CARIBBEN
FRANKLIN—August 6; a RAINMAKER in NW Caribbean and Yucatan

4. 2017: ADDITIONAL NAMED ATLANTIC BASIN STORMS
GERT – AUG 13; DIED IN ATLANTIC
HARVEY – AUG. 17, Reformed Aug 23; A HUGE RAINMAKER IN TEXAS AND LOUISIANA AFTER LATE AUG, 25 LANDFALL; NOW DYING SLOWLY
IRMA – AUG 30, CAT 2, SEPT. 5, CAT 5; COULD HIT FLORIDA SEPT. 8-9.

5. IRMA: AUGUST 30--?
Irma replaced the name Irene after HURRICANE IRENE caused widespread destruction in the Caribbean and the USA in 2011 and was retired as a name.

6. Irma is considered a “Cape Verde hurricane” forming in the far eastern Atlantic — near the Cape Verde Islands

7. IRMA: FORECAST ON AUGUST 30

8. IRMA: SEPT. 2: CAT 2, BUT DESTINATION UNCERTAIN

9. SEPT. 4: IRMA’S POSITION
As of 5 p.m., the storm had grown from a Category 3 to a Category 4 as it approached the northwest Caribbean, where it is expected to strike Puerto Rico and other island nations on Wednesday, SEPT. 6.

10. IRMA GREW VERY QUICKLY FROM A CAT 4 TO A CAT 5, BECOMING THE WORST HURRICANE IN HISTORY TO BECOME CAT 5 IN THE OPEN ATLANTIC NOTE: 1 CAT 5 = 500 CAT 1’s

11. IRMA IS A SUPER STORM---- NOW 750 KM (450 MILES) ACROSS

12. SEPT. 4: CARIBBEAN NATIONS NOW AT RISK

13. MONDAY, SEPT. 4: FLORIDA BEGINS PREPARATION
Gov. RICK SCOTT declared a state of emergency in all of Florida’s 67 counties as HURRICANE IRMA. now a CAT 4, makes its way toward the state, possibly arriving on Friday, SEPT. 8th.

14. MONDAY, SEPT. 4: FLORIDA PREPARING FOR IRMA
Although it’ s still too soon to know if, or on which side of Florida the storm will hit, the declaration gives local governments the time and resources to act swiftly in the best interest of Floridians.

15. NOTE: IT COULD TAKE UP TO 52 HOURS TO EVACUATE 500,000 FLORIDIANS, SO STARTING NOW IS VERY IMPORTANT FOR SAVING LIVES

16. CLEAR SIGNS THAT IRMA IS COMING TO THE CARIBBEAN

17. CARIBBEAN ISLAND NATIONS AT RISK

18. WHAT CAN ISLAND NATIONS EXPECT?
The National Meteorological Service warned officials to expect prolonged high winds, storm surge, and as much as 20 cm (8 inches) of rain along Irma’s path.

19. SEPT. 6-7:URGENT QUESTIONS FOR THE CARIBBEAN: HOW LARGE AND DEADLY WILL THE FOOT STORM SURGE AND HEAVY RAIN FALL BE IN PUERTO RICO, US VIRGIN ISLANDS, ANTIGUA, BARBADOS, HISPANOLA, CUBA, OTHER LOCATIONS WHEN CAT 5 IRMA ARRIVES?

20. SEPT 6: ANTIGUA SPARED; BARBUDA LEVELED
The Category 5 storm leveled ANTIGUA’s sister island, BARBUDA (separated by 66 km (40 miles), damaging 95 percent of its buildings and leaving the island that is home to 1,600 “barely habitable”.

21. SEPT. 6: FLOODED STREETS IN SAN MARTIN

22. SEPT. 6: President Trump declared a state of emergency in Florida, (where the storm is expected now to reach Florida on Friday) Puerto Rico and the United States Virgin Islands.

23. SEPT. 6: UNITED NATIONS TO HELP IN CARIBBEAN
UN spokesman Stephane Dujarric said the UN had deployed a humanitarian team to work with the Caribbean Disaster Emergency Management Agency to help in the Caribbean where 37 million are likely to be impacted.

24. SEPT. 6: PREPARING FOR IRMA IN PUERTO RICO

25. PUERTO RICANS PREPARE THEN GO TO ISLAND SHELTERS
Puerto Ricans remember: Nearly 30 years ago, a weaker storm, Hurricane Hugo left 28,000 homeless
By Wednesday afternoon, some 300,000 had already lost power and 4,000 water services

26. SEPT. 6: URGENT UNKNOWS FOR FLORIDA, GEORGIA, SOUTH CAROLINA: WILL IRMA’s TRACK TURN NORTHWARD BEFORE REACHING FLORIDA? AFTER A DIRECT HIT ON FLORIDA? OR AFTER SKIRTING ALONG THE EAST COAST OF FLORIDA?

27. SEPT. 6: IRMA, NOW A CAT 5, HAS WINDS OF 185-225 MPH

28. SEPT 6: THE TURN NORTHWARD IS UNCERTAIN

29. SEPT 6: THE TURN NORTHWARD IS UNCERTAIN

30. SEPT 6: THE TURN NORTHWARD IS UNCERTAIN

31. WORST CASE: HURRICANE IRMA COULD CAUSE A $300 BILLION+ LOSS IN FLORIDA; BEST CASE: IRMA MISSES FLORIDA AND DIES IN THE COLD WATERS OF THE ATLANTIC

32. REASONS FOR FLORIDA’s VULNERABILITY
Drive along any coastline in Florida today and you'll find construction cranes as plentiful as palm trees because developers rushed after Hurricane Andrew to build high-rises in the most beautiful and most vulnerable parts of the state.

33. HURRICANE WILMA (2005) EXPOSED A WEAKNESS
Wilma (2005), as a CAT 2 hurricane with 100 mph winds----far weaker than Irma and Andrew (1991), shattered windows in Miami’s high rises when it crossed over downtown Miami, leading to many total losses.

34. REASONS FOR FLORIDA’s VULNERABILITY
If Hurricane Ima hits downtown Miami and its growing collection of new skyscrapers, the losses could reach $300 billion+, according to one insurance underwriter, and that doesn't include loss of taxes or tourism.

35. WIND PENETRATING BUILDING ENVELOPE
CAUSES OF DAMAGE
WIND PENETRATING BUILDING ENVELOPE
UPLIFT OF ROOF SYSTEM
FLYING DEBRIS
HURRICANES
STORM SURGE
IRREGULARITIES IN ELEVATION AND PLAN
“DISASTER LABORATORIES”
SITING PROBLEMS
FLOODING AND LANDSLIDES

36. GOAL: WINDSTORM DISASTER RESILIENCE
WINDSTORM HAZARDS
PEOPLE & BLDGS.
VULNERABILITY
LOCATION
WINDSTORM RISK
ACCEPTABLE RISK
UNACCEPTABLE RISK
RISK
GOAL: WINDSTORM DISASTER RESILIENCE
COMMUNITIES
DATA BASES AND INFORMATION
PREPAREDNESS
PROTECTION
EARLY WARNING
EMERGENCY RESPONSE
RECOVERY and
RECONSTRUCTION
POLICY OPTIONS
HAZARDS: GROUND SHAKING GROUND FAILURE SURFACE FAULTING TECTONIC DEFORMATION TSUNAMI RUN UP AFTERSHOCKS