FATO40 NFFN 031500 TONGA AREA FORECAST VALID FROM FEBRUARY 031700 TO 040800 UTC 2026. SITUATION: AN ACTIVE TROUGH OF LOW PRESSURE WITH THE ASSOCIATED CLOUDS AND RAIN AFFECTS TONGA. WINDS: [SPEED IN KNOTS] FL240 33035M13 FL180 32025M04 FL140 32015P04 FL100 29015 FL070 24010 S OF 19S 175W, 30020 N OF 19S 175W FL050 24010 S OF 19S 175W, 30020 N OF 19S 175W FL020 22010 S OF 19S 175W, 31020 N OF 19S 175W SIGWX: OCNL SHRA/RA & SCT TSRA/+SHRA/+RA ABT AND NORTH OF NFTL. SCT SHRA & ISOL TSRA ELSEWHERE. VIS: 40KM, 10KM-15KM IN -SHRA/-RA, 5000M-10KM IN SHRA/RA, LESS THAN 5000M IN TSRA/+SHRA/+RA. CLOUD: FEW-SCT ST 008-012 IN SIGWX. FEW-SCT CU 015-030, TOPS 100-180, BKN IN SIGWX. FEW-SCT CB 015-025, TOPS 350-530. SCT-BKN SC 030-050. SCT-BKN ACAS ABV FL100 IN SIGWX. TAF NFTV 031106Z 0312/0412 33012KT 9999 -RA SCT005 BKN016 OVC100 PROB40 TEMPO 0312/0321 34015G25KT 3000 +TSRA BKN013 SCT015CB TEMPO 0321/0412 35018G30KT 3000 +TSRA BKN013 SCT015CB= TAF NFTL 022318Z 0300/0312 10012KT 9999 SCT017 BKN100 PROB40 TEMPO 0300/0312 5000 TSRA BKN015 FEW017CB= TAF NFTF 031105Z 0312/0412 VRB02KT 9999 SCT016 SCT040 BECMG 0318/0320 31010KT PROB40 TEMPO 0406/0412 5000 TSRA BKN015 FEW018CB=