There is a multitude of factors that lead to the climate we experience.
Some of these like El Niño/La Niña may be familiar to you but there are
many others that you may not be as familiar, like the Arctic Oscillation (AO),
Madden-Julian Oscillation (MJO) or the Pacific North American (PNA) tele-connection.
All of these factors are indicators of much broader and complex interactions. When
collected and examined over a period of time these factors become valuable input
for climate prediction across the United States and the entire Earth.
To learn more about and examine the current state of some of the more influential climate
factors click on the links below. These sites are quite technical and so we suggest
reading background details on these subjects before attempting to interpret the
Do you have any questions, comments or suggestions about the Climate Resources site? Please
send us your feedback. If you have specific questions relating
to climate, please contact the NWS Office in your