Tropical Storm Warning issued April 14 at 3:43AM ChST by NWS Tiyan GU
Details
...SUPER TYPHOON SINLAKU MOVING NORTHWEST TOWARD THE MARIANAS...
.NEW INFORMATION...
None.
.AREAS AFFECTED...
This local statement provides important information and
recommended actions for people in Guam and the Northern Marianas.
.WATCHES/WARNINGS...
A Typhoon Warning remains in effect for Rota, Tinian, and Saipan.
A Tropical Storm Warning and Typhoon Watch remain in effect for
Guam.
A Tropical Storm Warning remains in effect for Pagan and Alamagan.
A Tropical Storm Watch remains in effect for Agrihan.
A Flood Watch is in effect for all of Guam and the Northern
Marianas. Please listen closely for any Flash Flood Warnings that
might be in effect for your area.
Please check the latest public and marine forecasts for detailed
information about additional hazards.
.STORM INFORMATION...
At 3 AM ChST...the center of Super Typhoon Sinlaku (04W) was located
near latitude 13.5N...longitude 147.1E. This was about 155 miles
east of Guam. Storm motion was northwest, 320 degrees, at 7 mph.
Storm intensity was 175 mph.
.SITUATION OVERVIEW...
Super Typhoon Sinlaku (04W) is moving northwest toward the Marianas,
with rain bands of Sinlaku rotating in over the islands, and
continuing to bring periods of heavy showers, thunderstorms, and
strong winds. The most recent storm track produced by the Joint
Typhoon Warning Center (JTWC) has shifted slightly south but
continues to have the the center of Sinlaku passing near or over
Tinian and Saipan. While Sinlaku is forecasted to gradually weaken
the next few days, it is expected to cross the Marianas near or over
Tinian and Saipan as a Category 4 or 5 typhoon.
Recommendations
People should be in a designated shelter or in a sturdy and
reinforced concrete building to ride out the storm as tropical storm
force winds are occurring and will be increasing through the day.
Due to the size of the storm, tropical storm force winds are
expected to continue into Wednesday night. Even when winds start to
decrease, remain indoors until the government of Guam gives the "all
clear".