Lesley L. Smith: NOAA Physical Sciences Laboratory

Lesley L. Smith

Position

Affiliation

CIRES

Contact

(303) 497-6172

lesley.l.smith@noaa.gov


All plots here preliminary. Right click to see bigger images.
Back to main Smith page

ENSO's effect on U.S. weather

CESM1 Large ensemble experiment

Are El Nino teleconnections changing?

New 30 year periods Anomalies computed wrt 1981-2010. El Ninos computed wrt respective 30-year period.

SST Anomaly Maps

All years:

Strongest El Ninos:

Precip Anomaly Maps

All years:



Strongest El Ninos:



Z200 Anomaly Maps

All years:

Strongest El Ninos:

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5 year periods


where red numbers above are the standard deviations for the adjacent 5-year period.

Look at different 5 year periods: 1921-1925, 1981-1985, 1996-2000, 2016-2020

non-El Nino regimes at bottom.
----------------------------------------------------------

New strongest 10 (~95% +) DJF El Ninos for all periods

SST anomaly maps


Differences

Precipitation anomaly maps



Differences

200mb Height anomaly maps


Differences

-------------------------------------------------------------------------------------------------------------

Different ENSO regimes

ENSO Neutral

SST Anomaly Maps


Differences

Precipitation Anomaly Maps

Differences

200mb Height Anomaly Maps


Differences

---------------------------

All years


2020-2016 compared to 1981-1985

2020-2016 compared to 1921-1925

---------------------------------

Without 10 strongest El Ninos 2020-2016 compared to 1981-1985

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Without 10 strongest El Ninos or 10 strongest La Ninas 2020-2016 compared to 1981-1985

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Look at different 5 year periods: 1921-1925, 1981-1985, 1996-2000, 2016-2020

DJF Nino3.4 Index for reference period 1981-2010.

non-El Nino regimes at bottom.

for 2016-2020 ~90%-95% DJF El Ninos

SST anomaly maps


Differences

Precipitation anomaly maps


Differences

200mb Height anomaly maps


Differences

----------------------------------------------------------

strongest 10 (~95% +) DJF El Ninos for all periods

SST anomaly maps


Differences

Precipitation anomaly maps




Differences

200mb Height anomaly maps


Differences

-------------------------------------------------------------------------------------------------------------

Different ENSO regimes

ENSO Neutral

SST Anomaly Maps


Differences

Precipitation Anomaly Maps

Differences

200mb Height Anomaly Maps


Differences

---------------------------

All years


2020-2016 compared to 1981-1985

2020-2016 compared to 1921-1925

---------------------------------

Without 10 strongest El Ninos 2020-2016 compared to 1981-1985

----------------------------------

Without 10 strongest El Ninos or 10 strongest La Ninas 2020-2016 compared to 1981-1985

Contact Information
Mailing Address:
CIRES
University of Colorado
216 UCB
Boulder, CO 80309-0216

OR:
325 Broadway
R/PSLR/PSD1
Boulder, CO 80305-3328
Voice: (303) 497-6172
Fax: (303) 497-6020
E-mail: lesley.l.smith@noaa.gov
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