The latest forecast reads: “Sty 20w (Typhoon Hagibis) will continue along its north-northwestward track as a passing mid-latitude trough to the north causes the str to reorient.

“The favourable environment is expected to persist with low VWS (vertical wind shear), warm SST (sea surface temperature), and strong upper-level outflow.

“Sty 20w is expected to maintain intensity for the first 12 hours due to the enhanced poleward outflow.

“However, sty 20w is expected to begin a gradual weakening trend after tau 12 (12 hours from the present) as the trough begins to interfere with outflow.”



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