FATO40 NFFN 042245 TONGA AREA FORECAST VALID FROM MAY 050000 TO 051200 UTC 2026. SITUATION: A TROUGH OF LOW PRESSURE AFFECTS TONGA. WINDS: [SPEED IN KNOTS] FL240 31030M19 FL180 30020M09 FL140 35015P01 FL100 04010 FL070 07020 FL050 08025 FL020 10025 SIGWX: OCNL SHRA/RA & ISOL TSRA/+SHRA/+RA. EXPECT STRONG AND GUSTY WINDS AT THE SURFACE. VIS: 40KM, 10KM-15KM IN -SHRA/-RA, 5000M-10KM IN SHRA/RA, LESS THAN 5000M IN TSRA/+SHRA/+RA. CLOUD: FEW-SCT ST 007-012. FEW-SCT CU 015-030, TOPS 100-180, BKN IN SIGWX. FEW CB 018-025, TOPS 380-420. SCT-BKN SC 030-050. BKN-OVC ACAS ABV FL100. TAF NFTV 042227Z 0500/0524 12015KT 9999 -RA SCT006 BKN016 OVC100 PROB40 TEMPO 0500/0512 12018G28KT TEMPO 0500/0524 5000 TSRA BKN015 FEW017CB= TAF NFTL 042216Z 0500/0512 10020KT 9999 -RA SCT017 BKN100 PROB40 TEMPO 0500/0512 09025G35KT TEMPO 0500/0512 5000 TSRA BKN016 FEW018CB= TAF NFTF 042227Z 0500/0524 11015KT 9999 FEW009 SCT016 BKN100 TEMPO 0500/0524 14020G35KT PROB40 TEMPO 0500/0524 5000 TSRA BKN015 FEW017CB=