FATO40 NFFN 051500 TONGA AREA FORECAST VALID FROM AUGUST 051700 TO 060800 UTC 2026. SITUATION: A SOUTHEAST WIND FLOW PREVAILS OVER THE AREA AT THE SFC. WINDS: [SPEED IN KNOTS] FL240 28075M16 FL180 28070M07 FL140 28055P01 FL100 26030 FL070 20015 FL050 15015 FL020 15020 SIGWX: ISOL SHRA. VIS: 40KM, 10KM-15KM IN -SHRA, 5000M-10KM IN SHRA. CLOUD: FEW-SCT CU 015-030, TOPS 100-180, BKN IN SIGWX. SCT-BKN SC 030-050. TAF NFTV 051105Z 0512/0612 14007KT 9999 SCT016= TAF NFTL 042314Z 0500/0512 16010KT 9999 SCT016= TAF NFTF 051106Z 0512/0612 16009KT 9999 FEW016 PROB40 TEMPO 0518/0606 16015G25KT=