the 2012 atlantic basin hurricane season suddenly became active with 4 additional hurricanes second...

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THE 2012 ATLANTIC BASIN HURRICANE SEASON SUDDENLY BECAME ACTIVE WITH 4 ADDITIONAL HURRICANES SECOND HALF September 5 –November 30, 2012

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The 2012 season is lagging behind past seasons: By Sept. 5, 2005, we had three major hurricanes (Dennis, Emily, and Katrina),and by Sept. 5, 2011, we had one major hurricane (Katia). This year, we have one-- Michael. Powerpoint courtesy of Dr Walter Hays, Global Alliance for Disaster Reduction

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Page 1: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

THE 2012 ATLANTIC BASIN HURRICANE SEASON SUDDENLY

BECAME ACTIVE WITH 4 ADDITIONAL HURRICANES

SECOND HALFSeptember 5 –November 30, 2012

Page 2: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

2012’S STORM TRACKS (as of September 8)

Page 3: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

2012 ATLANTIC BASIN STORM TRACKS AS OF OCT. 16

Page 4: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

NAMED STORMS IN 2012 (Continued)

• ISAAC – Hurricane, August 21

• JOYCE –Tropical Storm, Aug. 25

• KIRK –Hurricane, Aug. 27

• LESLIE –Hurricane, Sept. 3

• MICHAEL – Hurricane, Sept. 4

• NADINE – Tropical Storm, Sept. 12

Page 5: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

NAMED STORMS IN 2012

• OSCAR – Tropical Storm, Oct. 4

• PATTY – Tropical Storm, Oct. 11

• RAFAEL – Hurricane, Oct. 12

• SANDY – Tropical Storm, Oct. 22

• TONY

• VALERIE

• WILLIAM

Page 6: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

The 2012 season is lagging behind past seasons:

By Sept. 5, 2005, we had three major hurricanes (Dennis, Emily, and

Katrina),and by Sept. 5, 2011, we had one major hurricane (Katia). This year, we have one-- Michael.

Page 7: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

ISAAC: FROM TS ON AUG, 21 TO HURRICANE ON AUG. 26

Page 8: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

ISAAC DID NOT RETURN IN THE GULF AS TS NADINE: SEPT 12

Page 9: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

LESLIE: FROM A TS ON SEPT 3 TO HURRICANE ON SEPT 5

Page 10: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

SEPT 8: CAT 1 HURRICANE LESLIE IS HEADED

SLOWLY NORTHWARD TOWARDS BERMUDA AND

CANADA

Page 11: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

SEPT 9: LESLIE PASSES 120 MILES EAST OF BERMUDA

Page 12: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

TROPICAL STORM MICHAEL: FAR OUT IN ATLANTIC—SEPT. 4

Page 13: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

Between 5 a.m. on Wednesday and 5 a.m. Thursday, Michael’s pressure suddenly fell 40 mb and the maximum sustained winds increased by 63 mph, truly a remarkable case of

rapid intensification

Page 14: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

MICHAEL BECOMES CAT 3 HURRICANE: SEPT. 6

Page 15: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

Michael, the 7th hurricane of 2012 and located 980 miles

west-southwest of the Azores and heading northeast at 7 mph, will likely weaken as it encounters colder waters..

Page 16: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

MICHAEL’S PATH: SEPT. 6

Page 17: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

MICHAEL’S ULTIMATE PATH

Page 18: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

On Sept. 7th, the seasonal ACE (Accumulated Cyclone

Energy) (using the 1981-2010 data base), stood at 61,

or 143% of an average season.

Page 19: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

BUT---ON SEPTEMBER 12, 2012

A LULL IN ACTIVITY OCCURED AS

EL NINO BEGAN AGAIN

Page 20: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

SEPT. 12: EL NINO BEGINS AGAIN

Page 21: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

Depending on how quickly El Niño develops, there could be a quick shutdown of tropical systems during the latter part of the Atlantic season and an

extended season on the Pacific side.

Page 22: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

TROPICAL STORM NADINE: SEPT. 12

Page 23: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

TROPICAL STORM NADINE BECAME A CAT 1

HURRICANE ON SEPT. 14th

Because of its location in the Azores, Nadine, the 8th hurricane of the season,

did not cause any major concerns in spite of its unusually long life.

Page 24: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

TROPICAL STORM OSCAR FORMED WEST OF THE CAPE VERDE ISLANDS ON OCT. 4th

Oscar, the 15th storm of 2012, was not expected to last very long or to cause

any major problems.

Page 25: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

TROPICAL STORM OSCAR DIED ON OCTOBER 5

Page 26: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

TROPICAL STORM PATTY FORMED NORTH OF THE BAHAMAS ON OCT. 11th

Patty is the 16th storm of 2012.

Page 27: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

TROPICAL STORM PATTY

Page 28: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

TROPICAL STORM RAFAEL FORMED ON OCT. 12TH

Rafael was the 18th storm and 9th hurricane of the season

Page 29: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

HURRICANE RAFAEL: A CAT 1 STORM ON OCTOBER 16

Page 30: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

TROPICAL STORM SANDY FORMED ON OCT. 22ND

Sandy, whose future is still uncertain, was the 19th storm of the season

Page 31: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

TROPICAL STORM SANDY: OCTOBER 22

Page 32: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

CAT I HURRICANE SANDY: OCTOBER 24

Page 33: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

OCTOBER 24: CAT I HURRRICANE SANDY MADE LANDFALL NEAR KINGSTON, THE

CAPITOL, IN BERMUDA

Schools and businesses were closed and people in low-lying areas under a

flood watch were evacuated

Page 34: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

OCTOBER 24

Sandy, now the season’s ninth hurricane, is a huge storm with wind

and rain bands reaching out 330 km or more from the storm center, producing

15-50 cm of rain in Bermuda, Haiti, Dominican Republic, and Cuba

Page 35: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

LIKELY IMPACTS OF SANDY ON “FLORIDA SATURDAY”-- OCTOBER 27

• Miami, Florida, which is already water-logged from 1 ½ meters of rain this summer, is expected to experience more rain, gusty winds, huge waves, and dangerous rip tides as a likely weakened Sandy continues to move northward.

Page 36: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

FORECAST FOR SANDY: OCTOBER 24

Page 37: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

POSSIBILITIES AFTER “FLORIDA SATURDAY”

• Sandy could veer northeastward and eventually die in the Atlantic.

• Or, Sandy could become a powerful Nor’easter as it moves northward along the Eastern US seaboard

Page 38: The 2012 Atlantic Basin Hurricane Season Suddenly Became Active With 4 Additional Hurricanes Second Half  September 5 – November 30, 2012

CUMMULATIVE IMPACTS

66 DEATHS

ECONOMIC LOSSES: $2.577 BILLION