atlantic multidecadal mode

Atlantic Multidecadal ModeLocal Correlation of SST versus REOF

Mestas-Nunez and Enfield (1999)

Atlantic Multidecadal ModeLocal Correlation of SST versus REOF

Mestas-Nunez and Enfield (1999)

Aug-Sep-Oct SST Anomalies

La Nina versus El NinoHurricane Probabilities

Atlantic Multidecadal ModeLocal Correlation of SST versus REOF

Mestas-Nunez and Enfield (1999)

Aug-Sep-Oct Outgoing Longwave Radiation Anomalies

El Nino-Southern

Oscillation Forecasts

Atlantic Multidecadal ModeLocal Correlation of SST versus REOF

Mestas-Nunez and Enfield (1999)

U.S. MAJOR LANDFALLING HURRICANES: U.S. MAJOR LANDFALLING HURRICANES: 1903-20001903-2000

MajorEast CoastHurricanes

Active DecadesInactive Decades

Coverage of Low Tropospheric Vertical Wind Shear

Strong Conveyor Weak Conveyor

The “Global Mode”:Enhanced 200mb Subtropical Ridges

The ReturnThe Returnof the Major Atlantic Hurricanes:of the Major Atlantic Hurricanes:

Causes and ImplicationsCauses and Implications

Chris Landsea

NOAA/Hurricane Research Division

Miami, Florida, USA

June 29th, 2004

AMS Master Teachers

Atlantic Multidecadal ModeLocal Correlation of SST versus REOF

Mestas-Nunez and Enfield (1999)

Aug-Sep-Oct 200mb Wind Anomalies