TROPICAL ATMOSPHERIC AND OCEANIC MONITORING INDICES

The details of the monitoring indices are shown here .
SOUTHERN OSCILLATION OLR INDEX EQUATORIAL ZONAL WIND INDEX Summer Asian
Monsoon OLR
Index
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 -0.3 0.0 0.3 -0.4 0.0 0.3 -0.1 -0.1 /// /// ///
Jan 2019 -0.1 0.3 0.0 -0.5 0.3 0.5 1.3 -0.3 0.9 0.5 -0.5 /// /// ///
Feb 2019 -1.2 2.1 -0.6 -1.4 -1.4 1.5 1.5 -0.5 1.6 0.8 0.2 /// /// ///
Mar 2019 -0.6 0.3 -0.8 -1.1 -0.4 1.0 -0.5 -0.2 0.2 0.3 -1.4 /// /// ///
Apr 2019 0.1 0.2 0.3 -0.8 -0.4 1.0 0.8 0.2 -0.3 -0.7 -0.7 /// /// ///
May 2019 -0.8 0.6 -0.1 -0.5 -1.6 1.0 -0.1 -0.4 2.0 0.8 0.1 -1.9 2.0 -0.9
Jun 2019 -0.8 0.8 -0.1 -0.6 -0.2 0.6 0.2 0.5 -0.1 -1.0 -1.4 -0.8 -1.4 -0.2
Jul 2019 -0.9 0.9 -0.1 -0.6 -0.7 -0.2 1.2 -1.4 1.2 0.7 -0.6 -1.5 1.3 -1.3
Aug 2019 -0.2 0.8 0.6 0.8 -0.9 0.1 -0.8 0.0 0.2 -1.3 -0.8 0.4 0.7 0.0
Sep 2019 -1.2 2.2 0.0 -0.1 -1.9 -0.7 -0.6 -1.8 0.7 0.9 -1.1 -1.0 3.0 -0.2
Oct 2019 -0.4 0.5 -0.2 -1.8 -0.8 -0.4 0.9 -0.9 0.0 0.2 0.0 -1.6 -0.8 1.0
Nov 2019 -1.3 0.7 -0.9 0.8 -1.9 -0.1 1.8 -0.2 0.6 0.2 -0.6 /// /// ///
Dec 2019 -0.6 1.0 -0.1 -0.9 -1.3 0.2 0.7 -0.8 0.9 0.2 0.1 /// /// ///
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) SEA LEVEL ANOMALY(cm)
MONTH IOBW NINO.WEST NINO.4 NINO.3 NINO.1+2 YAP TARAWA CHRISTMAS SANTA CRUZ
Dec 2018 28.14 0.15 29.22 0.02 29.5 1.0 26.1 0.9 23.6 0.7
Jan 2019 28.11 0.17 28.55 -0.16 29.1 0.8 26.3 0.7 25.1 0.5
Feb 2019 28.41 0.28 28.24 -0.23 29.0 0.8 27.0 0.6 26.6 0.5
Mar 2019 28.92 0.22 28.39 -0.19 29.1 0.8 27.9 0.7 26.8 0.3
Apr 2019 29.57 0.39 28.88 -0.15 29.2 0.6 28.2 0.6 25.8 0.2
May 2019 29.38 0.37 29.74 0.26 29.6 0.7 27.8 0.6 24.9 0.4
Jun 2019 28.64 0.48 29.95 0.30 29.7 0.7 26.9 0.3 23.0 -0.1
Jul 2019 27.83 0.44 29.78 0.25 29.6 0.7 25.8 0.0 21.1 -0.8
Aug 2019 27.46 0.41 29.44 0.04 29.4 0.6 24.9 -0.2 20.2 -0.7
Sep 2019 27.46 0.25 29.46 -0.07 29.3 0.5 24.6 -0.3 20.0 -0.6
Oct 2019 28.11 0.45 29.78 0.18 29.6 0.8 25.2 0.2 20.1 -0.9
Nov 2019 28.39 0.44 29.65 0.12 29.4 0.7 25.5 0.4 21.5 -0.2
Dec 2019 28.46 0.47 29.19 -0.01 29.3 0.8 25.5 0.3 23.0 0.1
DEFINITON,
LOCATION,
AREA
20ºN-20ºS
40-100ºE
15ºN-EQ
130-150ºE
5ºN-5ºS
160ºE-150ºW
5ºN-5ºS
150-90ºW
EQ-10ºS
90-80ºW
10ºN
138ºE
1ºN
173ºE
2ºN
157ºW
1ºS
90ºW