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April 2007 Climate Briefing. The J-F-M Season in Review (Brad Lyon) ENSO Status and Seasonal Forecasts (Tony Barnston) Mini-Seminar (Casey Brown – The Death of Reliability). January-February-March Season Overview. El Ni ñ o. 2007. Jan-Feb-Mar 2007 SST Anomaly.

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April 2007

Climate Briefing

  • The J-F-M Season in Review (Brad Lyon)

  • ENSO Status and Seasonal Forecasts (Tony Barnston)

  • Mini-Seminar (Casey Brown – The Death of Reliability)


January-February-March

Season Overview

El Niño

2007


Jan-Feb-Mar 2007

SST Anomaly

Nino 3.4 SST Anomaly

2006-07

Avg. 5 El Nino


Tropical Precipitation Patterns

JFM Prcp

EOF1

15.7%

(1979-2007)

Time Series


Jakarta PRCP

Past 90 Days

Past Year


Unusually Wet in the

Philippines

Data: Joint Typhoon Warning Center

Philippines Std. Rainfall Anomaly Jan ’06 – Mar ‘07

JFM

2007

“LA”

“EL”


Latest

SST

Anomaly

March 2007

Tropical Pacific

Sub-Surface


Nino3.4 SSTa and Tropical Pacific Low-Level Zonal Wind Anomaly

3-Month Running Average

r = 0.9

JFM 2007

Zonal Wind Climatology (925 hPa; 150E-90W, 5S-5N)

Easterlies

Weakest in

APR


with Casey Brown

i

a

b

l

e

l

i

R

i

t

y

R. I. P.


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