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 0.9 -1.3 0.7 0.0 0.1 0.2 -0.8 0.0 0.1 -0.2 -0.2 /// /// ///
Jan 2019 0.0 0.1 0.1 -0.5 0.3 0.5 1.2 -0.2 1.0 0.5 -0.4 /// /// ///
Feb 2019 -0.9 2.1 -0.3 -1.4 -1.2 1.6 1.2 -0.4 1.6 0.7 0.2 /// /// ///
Mar 2019 -0.4 0.2 -0.6 -1.0 -0.2 1.2 -0.7 0.1 0.1 0.0 -1.1 /// /// ///
Apr 2019 0.1 0.4 0.5 -0.7 -0.1 1.1 0.6 0.2 -0.5 -0.6 -0.7 /// /// ///
May 2019 -0.7 0.9 0.1 -0.5 -1.7 0.9 -0.2 -0.4 2.0 0.6 0.1 -1.8 1.8 -1.1
Jun 2019 -0.7 0.9 0.0 -0.7 -0.1 0.7 0.0 0.5 -0.1 -0.9 -1.2 -0.8 -1.5 -0.1
Jul 2019 -0.6 0.9 0.1 -0.2 -0.7 -0.2 1.0 -1.4 1.2 0.7 -0.5 -1.1 1.4 -1.3
Aug 2019 -0.2 0.9 0.7 0.7 -1.0 0.0 -0.9 -0.1 0.2 -1.5 -0.8 0.4 0.8 0.0
Sep 2019 -1.2 2.3 0.1 0.2 -1.9 -0.8 -0.9 -1.8 0.7 0.8 -1.3 -0.9 2.8 -0.2
Oct 2019 -0.4 0.5 -0.2 -1.9 -1.0 -0.5 0.8 -0.9 0.0 0.2 0.1 -1.7 -0.8 0.8
Nov 2019 -0.8 0.6 -0.7 0.7 -1.9 -0.3 1.7 -0.3 0.3 0.2 -0.6 /// /// ///
Dec 2019 -0.3 0.7 0.0 -0.7 -1.0 0.1 0.4 -0.8 0.8 0.1 -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 0.28 29.22 0.20 29.5 1.0 26.1 0.9 23.6 0.7
Jan 2019 28.11 0.29 28.55 0.01 29.1 0.8 26.3 0.7 25.1 0.6
Feb 2019 28.41 0.38 28.24 -0.08 29.0 0.9 27.0 0.6 26.6 0.6
Mar 2019 28.92 0.33 28.39 -0.07 29.1 0.9 27.9 0.8 26.8 0.4
Apr 2019 29.57 0.53 28.88 -0.04 29.2 0.7 28.2 0.7 25.8 0.3
May 2019 29.38 0.52 29.74 0.39 29.6 0.8 27.8 0.7 24.9 0.6
Jun 2019 28.64 0.62 29.95 0.45 29.7 0.9 26.9 0.4 23.0 0.1
Jul 2019 27.83 0.57 29.78 0.40 29.6 0.8 25.8 0.1 21.1 -0.7
Aug 2019 27.46 0.56 29.44 0.18 29.4 0.7 24.9 -0.2 20.2 -0.7
Sep 2019 27.46 0.38 29.46 0.10 29.3 0.6 24.6 -0.3 20.0 -0.6
Oct 2019 28.11 0.60 29.78 0.32 29.6 0.9 25.2 0.2 20.1 -0.9
Nov 2019 28.39 0.60 29.65 0.26 29.4 0.8 25.5 0.5 21.5 -0.2
Dec 2019 28.46 0.60 29.19 0.17 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