1. Complete withdrawal of southwest monsoon from Tripura on October 17, 2023.
2. Seasonal rainfall recorded at 1274.7 mm, slightly below the normal value of 1391.1 mm.
3. Seasonal departure of -08 percent, indicating a rainfall deficit for the season.
Agartala, Nov 11: After the complete withdrawal of the southwest monsoon from Tripura on October 17, 2023, the state faced a rainfall deficit for the season. According to the Agartala Meteorological Centre’s report, the seasonal rainfall recorded was 1274.7 mm, slightly below the normal value of 1391.1 mm, resulting in a seasonal departure of -08 percent.
The report highlighted that Tripura experienced normal monsoon rainfall throughout the year, with three intense spells from June 16 to 21, July 1 to 5, and August 3 to 9, contributing to 37% of the seasonal rainfall. However, daily cumulative rainfall remained below normal initially. The monsoon activity weakened after reaching normal levels, resulting in less-than-normal rainfall by the end of the season.
Out of Tripura’s eight districts, West, Gomati, Khowai, Dhalai, Unakoti, and North Tripura received normal rainfall, while Sepahijala and South districts faced deficient rainfall during the entire Monsoon 2023 season.
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The South-West Monsoon arrived in Tripura on June 10, close to its normal date, making it a normal monsoon year for the state with a departure of -08 percent of its Long Period Average (LPA). However, the timely distribution of monsoon rainfall was uneven, with normal rainfall in June and September, deficient rainfall in July, and excess rainfall in August.
The district-wise analysis revealed that West Tripura district had the highest positive departure of +06 percent, experiencing 16 heavy rainfall events. Conversely, the South Tripura district had the highest deficiency. Overall, 2023 was categorized as a normal monsoon year for Tripura.