Tuesday, November 1, 2011
La Nina is back, this according to National Oceanic and Atmospheric Administration (NOAA) meteorologists. By using this years average ocean temperature, NOAA is predicting La Nina to revisit the United States this winter.
NOAA is predicting lower than normal precipitation in the southwest, Mississippi valley and southern great plains. Colder than normal temperatures are expected for Florida, the northern Great Plains and the northern Rockies and warmer that usual conditions much of the east.
La Nina is associated with lower than normal ocean temperatures in the Pacific Ocean. La Nina usually lasts over a period of five months or longer.