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2017 ATLANTIC BASIN HURRICANE HARVEY AFTER LANDFALL AUG. 25-??

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Presentation on theme: "2017 ATLANTIC BASIN HURRICANE HARVEY AFTER LANDFALL AUG. 25-??"— Presentation transcript:

1 2017 ATLANTIC BASIN HURRICANE HARVEY AFTER LANDFALL AUG. 25-??
Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA lecture by Walter Hays Uploading date: August 26, Updated August 27, 2017 More lectures at Disasters Supercourse -  PPT original -

2 HURRICANE HARVEY FORECAST: AUGUST 24

3 PRESIDENT TRUMP SIGNED A DISASTER DECLARATION TO FACILITATE PROVISION OF FEDERAL AID FOR THE IMPACTED AREA BEFORE LANDFALL

4 CONTINUOUS TRACKING

5 FRIDAY NIGHT, AUG. 25

6 AUGUST 25, 2017: HARVEY MADE LANDFALL AROUND 9:45 pm
HARVEY – A HUGE RAINMAKER AND STORM-SURGE MAKER, MADE LANDFALL NEAR CORPUS CHRISTI, TX AS A CAT 4 HURRICANE WITH 130 MPH WINDS; IT QUICKLY DETEORIATED TO A CAT 1 STORM AND STALLED IN PLACE DUE TO THE LACK OF CONTROLLING STEERING WINDS.

7 SATURDAY, AUGUST 26

8 NOTE: HARVEY IS NOT MOVING AT PRESENT AND IS EXACERBATING COASTAL STORM SURGE AND BECOMING A HUGE LONG-DURATION RAINMAKER AND WIND TUNNEL FOR AS LONG AS 5 DAYS

9 HURRICANE HARVEY FORECAST: AUGUST 24

10 HURRICANE HARVEY FORECAST: AUGUST 24

11 FORECAST OF HARVEY’S IMPACTS INTO AUGUST 30th

12 HURRICANE HARVEY HARVEY WILL LIKELY BECOME KNOWN AS THE STORM OF 2017 (AND POSSIBLY OF THE DECADE).

13 HURRICANE HARVEY 4.6 MILLION+ PEOPLE WERE IMMEDIATELY AFFECTED IN SOME WAY BY HARVEY’s WIND FIELD, RAIN, STORM SURGE, AND TORNADOS.

14 We do not know yet if there is any loss of life or the extent of uninsured losses; assessments are just beginning.

15 EFFECTS OF 130 MPH WINDS AT LANDFALL

16 EFFECTS OF 130 MPH WINDS AT ROCKPORT, TX

17 “Homes and businesses were completely destroyed, lives disrupted both by evacuations and “sitting it out.”

18 HURRICANE HARVEY 213,000 WERE WITHOUT POWER AT THE TIME OF LAND-FALL; POWER OUTAGES ROSE TO 250,000 DURING THE DAY. FIRES BROKE OUT THAT COULD NOT BE EXTINGUISHED BECAUSE OF THE HIGH WINDS.

19 Early rainfall totals were staggering
Early rainfall totals were staggering. The National Hurricane Center said that an automated rain gauge near Victoria, a city of about 68,000 in the path of the storm, had recorded more than 16 inches in 24 hours

20 MANY WIDE-SPREAD LOCATIONS CAN ALSO EXPECT HEAVY RAIN

21 HOUSTON IS ONE OF THEM HOUSTON, THE USA’s 4TH LARGEST CITY, NOW FACES CATASTROPHIC FLOODING THAT WILL IMPACT REGIONAL COMMERCE

22 REMEMBER: HOUSTON FLOODED BY TS ALLYSON KIN 2001

23 SUNDAY, AUGUST 27: HARVEY, A STALLED TROPICAL STORM NOW, IMPACTING HOUSTON . AT LEAST 2 DEATHS NOW; ONE FROM A FIRE AND ONE FROM DROWNING

24 HURRICANE HARVEY: 40 INCHES OF RAIN HAS FALLEN IN PARTS OF TEXAS
HARVEY WILL NOT ONLY LIKELY BECOME KNOWN AS THE STORM OF 2017 (AND POSSIBLY OF THE DECADE), BUT ALSO THE WORST CATASTROPHIC FLOOD DISASTER IN USA HISTORY.

25 THOUSANDS OF EMERGENCY RESPONDERS WITH SUPPLIES OF ALL KINDS AND WITH BOATS TO CONDUCT URBAN SEARCH AND RESCUE DISPATCHED TO TEXAS

26 HOUSTON: NEIGHBOR-HOODS FLOODED

27 RESIDENTS IN SOME LOCATIONS WARNED: START PLANNING TO GET ON THE ROOF OF YOUR HOUSE IF THE RAIN CONTINUES

28 FLOODING

29 IMPASSIBLE ROADS

30 CONTINUOUS RAIN, FLOODING, AND RUNOFF

31 RESIDENTS IN SOME LOCATIONS WARNED: DON’T LEAVE WITHOUT WRITING YOUR IDENTIFICATION NUMBER ON YOUR ARM

32 WARNING: GUADELOUPE RIVER WILL LIKELY BE 10 M (32 FEET) ABOVE FLOOD STAGE IN A FEW DAYS

33 20,000 PASSENGERS STRANDED ON CRUISE SHIPS IN GULF OF MEXICO WAITING FOR PORT OF GALVESTON TO BE OPERABLE

34 40 BILLION DOLLARS+ IN LOSSES??
OIL REFINERIES AND PIPELINES SHUT DOWM FOR INDEFINITE PERIOD. BUSINESSES SHUT DOWN. THOUSANDS OF HOMES TO BE REHABILITATED OR DEMOLISHED


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