Important: The Climate Analysis Branch (PSD1) web site will be down in anticipiation of our major web restructuring starting Tuesday Jan 20th at 1pm MST.
You can find more info about the upcoming URL changes here.
You can find more info about the upcoming URL changes here.
*** This page is updated on Tuesday of each week ***
Current Animations of SST and OLR
Using weekly data from the past year.  
Data Sources:  
SST,  
OLR
(OLR = Outgoing Longwave Radiation)
SST Animations of Recent La Niña (cold) Events
Using weekly data (NCEP Data Source)
2: 1988-89 SST   (JAN88 - DEC89)
3: 1995-96 SST   (JAN95 - DEC96)
4: 1998-99 SST   (JAN98 - DEC99)
Comparison of these 4 La Niña events
Comparison of 2 BIG La Niña events     (88-89,   98-99)
SST Animations of Recent El Niño (warm) Events
Using weekly data (NCEP Data Source)
2: 1991-92 SST   (JAN91 - JUL92)
3: 1994-95 SST   (JAN94 - JUL95)
4: 1997-98 SST   (JAN97 - DEC98)
Comparison of these 4 El Niño events
Comparison of 2 Big El Niño events     (82-83,   97-98)