Wednesday, July 30, 2014

Tropical Storm Halong Update #4

Issued (1130 UTC) 730pm PhT 073014

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Tropical Storm Halong has maintained its intensity as it begins to move away from the Mariana Islands. The system was last located approximately 120km west northwest of Guam or about 220km southwest of Saipan. Maximum sustained winds are at 95kph with gusts of up to 120kph. TS Halong is moving west northwestward at 15kph.

As of 6pm (PhT) today, the National Weather Service has canceled all Typhoon and Tropical Storm Warnings for the Mariana Islands. However, residents are still advised against going to the water due to the high waves churned by TS Halong. Please heed the latest updates and warnings from your local officials.

IR Image from NRLMRY

Latest satellite image shows little change with Halong's organization. The system seems to be struggling from increasing vertical wind shear and the poor upper-level environment created by Tropical Storm Nakri (Bagyong Inday) to the northwest. With that said, we still think Halong will intensify as it moves across the Philippine Sea over the next few days.

Radar Image from Guam

Latest radar image out of Guam courtesy of the National Weather Service shows that the bands of light to moderate rains are now moving away from the Mariana Islands. The center of Halong also continues to be picked up by radar and remains fully intact despite the weakening trend we saw this afternoon. Rainfall reports across Guam and nearby islands ranged from 100 to 150mm. We expect weather conditions to continue improving.

For the latest radar images and warnings for the Marianas, please click HERE (NWS Website)

Tropical Storm Halong will continue moving west northwestward over the next few days. As Tropical Storm Nakri (Inday) moves to the north, upper-level environment will become more conducive which should allow Halong to re-intensify as it moves across the Philippine Sea. Right now, Halong is not forecast to directly impact and land areas in the next 3 days.

We'll have another update tomorrow morning.

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