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Invest 90C has a high chance of developing into a tropical cyclone in the next 24 hours.
An area of convection (Invest 90°C) has persisted near 11.8N 155.0W, approximately 472 nautical miles south of Hilo, Hawaii.
Animated multispectral satellite imagery and a 16/04:59 UTC SSMIS 91 GHz image depict formative banding wrapping into a low level circulation center with flaring convection to the northwest and southeast.
Environmental analysis reveals a favorable environment for development with warm (28-29°C) sea surface temperatures, low (<15 knots) vertical wind shear, and good poleward outflow.
Global models are in agreement that Invest 90°C will continue to track west-southwestward with some intensification.
Maximum sustained surface winds are estimated at 20 to 25 knots. Minimum sea level pressure is estimated to be near 1004 mb.
The potential for the development of a significant tropical cyclone within the next 24 hours is high.
This alert will be reissued, upgraded to warning or cancelled by 17/08:00 UTC.
Information provided by JTWC.