| SOUTHERN OSCILLATION | OLR INDEX | EQUATORIAL ZONAL WIND INDEX | Summer Asian Monsoon OLR Index |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MONTH | SOI | DARWIN | TAHITI | OLR-PH | OLR-MC | OLR-DL | U200-IN | U200-CP | U850-WP | U850-CP | U850-EP | Activity | N-shift | W-shift |
| Dec 2018 | 0.8 | -1.0 | 0.6 | 0.0 | 0.2 | 0.5 | -0.4 | 0.0 | 0.2 | -0.2 | 0.1 | /// | /// | /// |
| Jan 2019 | -0.1 | 0.3 | 0.0 | -0.4 | 0.4 | 0.7 | 1.3 | -0.3 | 0.9 | 0.4 | -0.6 | /// | /// | /// |
| Feb 2019 | -1.2 | 2.1 | -0.6 | -1.6 | -1.4 | 1.6 | 1.5 | -0.5 | 1.5 | 0.7 | 0.1 | /// | /// | /// |
| Mar 2019 | -0.6 | 0.3 | -0.8 | -1.2 | -0.2 | 1.3 | -0.5 | -0.2 | 0.2 | 0.2 | -1.5 | /// | /// | /// |
| Apr 2019 | 0.1 | 0.2 | 0.3 | -0.6 | -0.2 | 1.3 | 0.8 | 0.1 | -0.4 | -0.9 | -0.7 | /// | /// | /// |
| May 2019 | -0.8 | 0.6 | -0.1 | -0.1 | -1.3 | 1.5 | -0.1 | -0.5 | 1.9 | 0.8 | 0.3 | -1.6 | 1.8 | -1.2 |
| Jun 2019 | -0.8 | 0.8 | -0.1 | -0.4 | 0.1 | 1.0 | 0.1 | 0.4 | -0.2 | -1.0 | -1.2 | -0.1 | -1.6 | -0.1 |
| Jul 2019 | -0.9 | 0.9 | -0.1 | -0.2 | -0.4 | 0.2 | 1.1 | -1.3 | 1.1 | 0.7 | -0.6 | -0.7 | 1.1 | -0.7 |
| Aug 2019 | -0.2 | 0.8 | 0.6 | 1.2 | -0.8 | 0.4 | -0.8 | 0.0 | 0.2 | -1.3 | -0.7 | 1.2 | -0.1 | 0.0 |
| Sep 2019 | -1.2 | 2.2 | 0.0 | 0.2 | -1.7 | -0.5 | -0.6 | -1.7 | 0.6 | 0.8 | -0.9 | -0.4 | 2.6 | 0.4 |
| Oct 2019 | -0.4 | 0.5 | -0.2 | -1.8 | -0.6 | -0.2 | 1.0 | -0.8 | -0.1 | 0.1 | 0.2 | -1.2 | -0.5 | 1.4 |
| Nov 2019 | -1.3 | 0.7 | -0.9 | 1.0 | -1.6 | 0.2 | 1.5 | -0.3 | 0.5 | 0.2 | -0.6 | /// | /// | /// |
| Dec 2019 | -0.6 | 1.0 | -0.1 | -0.8 | -0.8 | 0.4 | 0.7 | -0.8 | 0.8 | 0.3 | 0.6 | /// | /// | /// |
| DEFINITION, LOCATION, AREA |
TAHITI - DARWIN |
12.5ºS 131ºE |
17.5ºS 150ºW |
20-10ºN 110-140ºE |
5ºN-5ºS 110-135ºE |
5ºN-5ºS 170ºE-170ºW |
5ºN-5ºS 80-100ºE |
5ºN-5ºS 180-125ºW |
5ºN-5ºS 160ºE-175ºW |
5ºN-5ºS 170ºW-135ºW |
5ºN-5ºS 130-100ºW |
SAMOI (A) | SAMOI (N) | SAMOI (W) |
| SEA SURFACE TEMPERATURE and ANOMALY(ºC) | ||||||||||||||
| MONTH | IOBW | NINO.WEST | NINO.4 | NINO.3 | NINO.1+2 | |||||||||
| Dec 2018 | 28.33 | 0.32 | 29.18 | 0.01 | 29.6 | 1.0 | 26.1 | 0.9 | 23.8 | 0.9 | ||||
| Jan 2019 | 28.21 | 0.27 | 28.40 | -0.25 | 29.1 | 0.8 | 26.2 | 0.5 | 25.0 | 0.4 | ||||
| Feb 2019 | 28.39 | 0.23 | 28.13 | -0.29 | 29.0 | 0.8 | 27.1 | 0.7 | 26.7 | 0.5 | ||||
| Mar 2019 | 29.07 | 0.34 | 28.58 | 0.03 | 29.1 | 0.8 | 27.9 | 0.7 | 27.3 | 0.6 | ||||
| Apr 2019 | 29.74 | 0.50 | 28.91 | -0.07 | 29.2 | 0.5 | 28.2 | 0.6 | 26.2 | 0.5 | ||||
| May 2019 | 29.50 | 0.47 | 29.80 | 0.33 | 29.6 | 0.6 | 27.8 | 0.6 | 24.6 | 0.1 | ||||
| Jun 2019 | 28.88 | 0.73 | 29.93 | 0.26 | 29.7 | 0.7 | 27.1 | 0.5 | 23.5 | 0.3 | ||||
| Jul 2019 | 28.04 | 0.67 | 29.90 | 0.35 | 29.8 | 0.8 | 25.8 | 0.0 | 21.3 | -0.6 | ||||
| Aug 2019 | 27.53 | 0.50 | 29.41 | -0.03 | 29.5 | 0.7 | 24.8 | -0.3 | 20.2 | -0.6 | ||||
| Sep 2019 | 27.58 | 0.38 | 29.47 | -0.10 | 29.4 | 0.6 | 24.7 | -0.2 | 19.8 | -0.8 | ||||
| Oct 2019 | 28.16 | 0.48 | 30.00 | 0.36 | 29.7 | 0.9 | 25.2 | 0.2 | 20.1 | -0.9 | ||||
| Nov 2019 | 28.46 | 0.47 | 29.67 | 0.13 | 29.6 | 0.8 | 25.5 | 0.4 | 21.4 | -0.3 | ||||
| Dec 2019 | 28.56 | 0.55 | 29.26 | 0.09 | 29.5 | 0.9 | 25.5 | 0.3 | 23.2 | 0.3 | ||||
| DEFINITON, LOCATION, AREA |
20ºN-20ºS 40-100ºE |
15ºN-EQ 130-150ºE |
5ºN-5ºS 160ºE-150ºW |
5ºN-5ºS 150-90ºW |
EQ-10ºS 90-80ºW |
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