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West Region
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East Region
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Latest Text Summary
From May 21-31, the current Inter-Tropical Front (ITF) shifted northward along most of its length compared with the previous dekad. In the west, the ITF is now at 15.5N, a northward shift from its previous position of 14.9N, placing it 0.4 degrees above the climatological average. In the east, the ITF shifted northward from 13.5N to 13.9N, placing it 0.7 degrees above the long-term average. Figure 1 shows the current position of the ITF (red line) during the third dekad of May and its previous position (purple line) during the second dekad of May. Figures 2 and 3 are time series showing the latitudinal positions of the western and eastern portions of the ITF, respectively, along with their seasonal evolution since April 2026.
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Dekad
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15W
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10W
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5W
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0
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5E
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10E
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15E
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20E
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25E
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30E
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35E
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January 1
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10.9
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10.2
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10.7
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9.0
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6.6
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6.1
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6.6
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6.7
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6.5
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6.1
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5.7
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January 2
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10.8
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8.6
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6.4
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6.6
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9.4
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8.6
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7.7
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7.8
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8.3
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6.4
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4.5
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January 3
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7.8
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6.6
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6.5
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6.5
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7.6
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7.2
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5.1
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8.9
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10.6
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5.5
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3.8
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February 1
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11.5
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10.2
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9.3
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10.2
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9.6
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8.9
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7.0
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7.7
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7.7
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6.2
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6.1
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February 2
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7.7
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7.4
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10.7
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10.9
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10.4
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7.5
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6.7
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9.4
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9.2
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5.8
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5.8
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February 3
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8.6
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7.2
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8.6
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8.5
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7.8
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6.5
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5.4
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9.1
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6.1
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6.2
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7.6
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March 1
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10.4
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10.5
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10.6
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11.2
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10.0
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7.0
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7.0
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5.7
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4.1
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4.1
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6.4
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March 2
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12.7
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11.4
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10.7
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10.1
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9.9
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9.5
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8.3
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8.8
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8.9
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8.9
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9.5
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March 3
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12.1
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12.2
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12.6
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14.1
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11.8
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10.8
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10.2
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10.7
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11.0
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12.1
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12.0
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April 1
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10.5
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12.0
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12.7
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12.2
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11.5
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10.8
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10.5
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12.3
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12.7
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12.5
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14.4
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April 2
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10.3
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11.7
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12.7
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12.2
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12.5
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12.0
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11.5
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12.4
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12.8
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14.3
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12.7
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April 3
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8.4
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10.7
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15.5
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14.6
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13.5
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12.2
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11.3
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12.1
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11.1
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10.4
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11.5
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May 1
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12.0
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15.7
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16.7
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15.5
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14.8
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13.3
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11.9
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10.6
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10.2
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11.8
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13.1
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May 2
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12.2
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14.8
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16.2
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15.7
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14.6
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13.3
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13.2
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12.7
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12.8
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13.6
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15.0
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May 3
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14.0
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15.1
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16.0
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15.8
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15.7
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14.9
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13.4
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12.2
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13.1
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14.2
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16.0
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