TONGA AREA FORECAST VALID FROM MARCH 310000 TO 311200 UTC 2023. SITUATION: A SOUTHEASTERLY WIND FLOW PREVAILS OVER THE AREA AT THE SURFACE. WINDS: [SPEED IN KNOTS] FL240 24015M15 FL180 22010M04 FL140 12005P02 FL100 06015 FL070 12015 FL050 15015 FL020 15015 SIGWX: RISK ISOL SHRA. VIS : 40KM, 10-15KM IN -SHRA, 5000M-10KM IN SHRA. CLOUD: FEW-SCT CU 015-030, TOPS 120-180, BKN IN SIGWX. FEW-SCT ACAS ABV FL100 IN SIGWX. TAF NFTV 302027Z 3100/3124 15009KT 9999 SCT017= TAF NFTL 302211Z 3100/3112 12009KT 9999 FEW018= TAF NFTF 301955Z 3100/3124 12005KT 9999 FEW016=