La Nina

El Nino, La Nina, and Climate Change

La Nina When La Nina has occurred, and its effects
Year Length Effects
1988 2 years Extreme southern US drought, severe weather further north, more Atlantic hurricanes
1995 1 year Weaker than the 1988-89 La Nina. Colder and wetter Pacific Northwest, drought in southern US
1998 3 years Hot, dry summers in southern states, snowy winters in the Pacific, increased hurricane activity

Click here for a list of additional La Nina years, going back to 1950. El Ninos and La Ninas are believed to have occurred even thousands of years ago, perhaps millions.

Generally, La Ninas have the following effects:

  1. Colder winters and dry and hot summer conditions over most of the United States.
  2. Cooler water temperatures over the Tropical Pacific
  3. Increased North Atlantic tropical activity
  4. Decreased North Pacific tropical activity

Visit Weather.com for the latest forecast information from The Weather Channel, regardless of whether we're in El Nino, La Nina, or a "normal" cycle.

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