La Niña 2000-2001
La Niña 2000-2001 lasted about 7 months, from Sep–Nov 2000 to Jan–Mar 2001. The Oceanic Niño Index peaked at -0.8 °C in NDJ 2000, a weak La Niña, ranked #19 of 20 since 1950.
StartSON 2000Sep–Nov
EndJFM 2001Jan–Mar
Duration7 months5 seasons
Peak ONI-0.8 °CNDJ 2000
Average ONI-0.68 °Cduring the episode
StrengthWeak#19 / 20
ONI before, during and after La Niña 2000-2001
Season by season
| Season | Year | ONI | Niño 3.4 temp. |
|---|---|---|---|
| SON Sep–Nov | 2000 | -0.5 °C | 26.14 °C |
| OND Oct–Dec | 2000 | -0.8 °C | 25.87 °C |
| NDJ Nov–Jan | 2000 | -0.8 °C | 25.78 °C |
| DJF Dec–Feb | 2001 | -0.8 °C | 25.82 °C |
| JFM Jan–Mar | 2001 | -0.5 °C | 26.25 °C |
Compare with other episodes
← La Niña 1998-2000La Niña 2005-2006 →El Niño 2002-2003El Niño 2026 (current)
Frequently asked questions
When did La Niña 2000-2001 start and end?
It started in SON 2000 and ended in JFM 2001, about 7 months.
How strong was La Niña 2000-2001?
Its peak ONI was -0.8 °C (NDJ 2000), classified as weak. It ranks #19 among 20 La Niña episodes since 1950.
Episodes are computed from NOAA's Oceanic Niño Index (ERSSTv5) with the standard rule: five or more consecutive overlapping seasons at or beyond ±0.5 °C. Free to cite with a link to elninoforecast.com.