Issued (1530 UTC) 1130pm PhT 080115
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Tropical Storm Soudelor continues to slowly intensify as it heads towards the Marianas Islands. The storm center was last located approximately 520km east of Saipan or about 620km east northeast of Guam. Maximum sustained winds are now at 85kph with gusts of up to 110kph. TS Soudelor is moving westward at 25kph.
The National Weather Service has now issued a Typhoon Warning for Saipan and Tinian. Meanwhile, a Typhoon Watch is in effect for Agrihan, Pagan, and Alamagan. Residents in the affected areas are urged to be prepared for the possibility of typhoon-force conditions within the next 24 hours. Please consult the warnings and instructions of the local emergency officials in your area!
For the latest weather warnings from NWS Guam, please click HERE
IR Image from NRLMRY
Latest satellite image shows a Central Dense Overcast (CDO) forming with good convective activity and improving radial outflow. We are also seeing tight banding with an eyewall-like feature starting to develop. Soudelor may intensify at a slightly faster pace as it approaches the Marianas Islands and could become a Typhoon by tomorrow.
Tropical Storm Soudelor is forecast to continue moving generally westward over the next 24 hours, gaining a little bit of latitude throughout. It is forecast to move near the islands of Saipan and Tinian tomorrow evening (Sunday) as a Category 1 Typhoon with the possibility of bringing winds of up to 120kph in the said islands. Heavy rains and high waves will also batter the region. Guam is on the far south side of the circulation and we don't expect anything stronger than tropical storm-force winds.
Tropical Storm Soudelor will continue moving west northwestward over the next few days and intensifying along the way. By the middle part of next week, Soudelor is forecast to possibly threaten Taiwan and the Southern Japanese Islands as a strong Category 3 (or 4) Typhoon.
We'll have another update tomorrow morning. Stay safe!