FATO40 NFFN 211500 TONGA AREA FORECAST VALID FROM MARCH 211700 TO 220800 UTC 2026. SITUATION: A MOIST EASTERLY WIND FLOW PREVAILS OVER THE AREA. MEANWHILE, A TROUGH IS APPROACHING THE GROUP FROM THE EAST. WINDS: [SPEED IN KNOTS] FL240 05015M15 FL180 05020M05 FL140 07010P03 FL100 11015 FL070 12015 FL050 13015 FL020 11015 SIGWX: SCT SHRA & ISOL TSRA/+SHRA. VIS: 40KM, 10KM-15KM IN -SHRA, 5000M-10KM IN SHRA, LESS THAN 5000M IN TSRA/+SHRA. CLOUD: FEW-SCT CU 015-030, TOPS 100-180, BKN IN SIGWX. ISOL CB 015-025, TOPS 320-450. FEW-SCT SC 030-050, BKN IN SIGWX. TAF NFTV 211102Z 2112/2212 09010KT 9999 FEW015= TAF NFTL 202304Z 2100/2112 10012KT 9999 SCT017= TAF NFTF 211100Z 2112/2212 08009KT 9999 SCT016 PROB30 TEMPO 2200/2206 5000 TSRA BKN015 FEW016CB=