Typhoon Watch issued October 18 at 4:40AM ChST by NWS Tiyan GU

Updated for compact wind radii, reducing winds for Rota and Guam.

...TYPHOON CHAMPI NOW A DANGEROUS CATEGORY 4 MOVING WEST INTO GUAM
COASTAL WATERS...

.NEW INFORMATION...
None.

.AREAS AFFECTED...
This local statement provides information and recommended actions for
people on Guam and on Rota, Tinian and Saipan in the Northern
Marianas.

.Watches/Warnings...
A Typhoon Warning continues for Guam and Rota.

A Tropical Storm Warning and a Typhoon Watch continues for Tinian
and Saipan.

A Flood Watch is in effect for Rota, Tinian and Saipan in the
Northern Marianas. Please listen closely for any Flood Warnings that
might be in effect for your area.

A Flash Flood Warning is now in effect for Guam.

Please check the latest public and marine forecasts for detailed
information about additional hazards.

.STORM INFORMATION...
At 4 AM ChST...the center of Typhoon Champi (29W) was located near
latitude 13.1N...longitude 144.9E. This was about 25 miles southeast
of Guam. Storm motion was west, 280 degrees, at 15 mph. Storm
intensity was 140 mph. This general forecast track will take Champi
about 15 miles south of Guam as a Category 4 typhoon as it intensifies
further the next few days west of the Marianas.

.SITUATION OVERVIEW...
Typhoon Champi (29W) has been undergoing rapid intensification
today. As a result it is now a dangerous category 4 typhoon. It is
expected to pass a little south of Guam as a super typhoon within
the next 12 hours. This may potentially bring devastating wind
conditions to much of Guam during passage.

.PRECAUTIONARY/PREPAREDNESS ACTIONS...