[Tropical] Hurricane Local Statement

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WTPQ81 PGUM 230735
HLSPQ1

URGENT - IMMEDIATE BROADCAST REQUESTED
Tropical Depression 20W Local Statement
National Weather Service TIYAN GU
535 PM ChST Thu Sep 23 2021

...TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE MARIANAS...

.NEW INFORMATION...
None.

.AREAS AFFECTED...
This local statement provides important information and recommended
actions for people within the Mariana Islands.

.Watches/Warnings...
A Tropical Storm Warning continues for Guam, Rota, Tinian, and
Saipan.

A Flood Watch is also in effect for all of the Marianas. Please
listen closely for any flood warnings that might be issued for
your area.

.STORM INFORMATION...
At 4 PM ChST...the center of Tropical Depression 20W was located
near LATITUDE 13.2N...LONGITUDE 144.6E. This was about 20 miles
southeast of Guam. Storm Motion was west-northwest at 17 mph. Storm
Intensity was 35 mph.

.SITUATION OVERVIEW...
Winds will increase this evening as Tropical Depression 20W
strengthens and continues to move west of the Marianas. Additional
rainfall amounts of 2 to 4 inches could lead to flooding in poor
drainage areas. Rip currents could be life threatening until Friday
afternoon.

East winds of 15 to 20 mph with gusts to 25 mph will continue to
increase over the next several hours. Damaging winds of 35 to
45 mph, gusting to 55 mph, are expected this evening. Winds will
gradually shift toward the south through the next 6 to 12 hours.

Open water seas will increase to between 10 and 13 feet as TD 20W
strengthens. Storm surge of 1 to 3 feet along east to south facing
reefs is possible with this storm, with a total surf height of 9 feet
possible. This would result in minor inundation of up to 1 foot.

.PRECAUTIONARY/PREPAREDNESS ACTIONS...

For those under a warning...now is the time to rush to completion
preparations for the protection of life and property. Evacuate if
directed to do so by local officials...or if your home is vulnerable
to high winds or flooding.

For interests at ports...docks...and marinas...urgently complete
prescribed preparations according to your emergency operations
plan for tropical cyclones. If you live on a boat...make final
preparations for securing your craft before leaving it.

Regarding any coastal waters under a warning...small craft should
remain in port and well secured.

For additional precautionary and preparedness information...
Please refer to the detailed recommendations relative to your
location as further described by your local emergency management.

&&

.NEXT UPDATE...
The next local statement will be issued by the National Weather
Service in Tiyan around 9 PM...or sooner if conditions warrant.

GUZ001>004-231400-
/O.CON.PGUM.TR.W.4020.000000T0000Z-000000T0000Z/
Guam-Rota-Tinian-Saipan-
535 PM ChST Thu Sep 23 2021

...TROPICAL STORM WARNING REMAINS IN EFFECT...

...PRECAUTIONARY/PREPAREDNESS ACTIONS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Final preparations to protect life and property should be completed
before conditions deteriorate. The onset of gusty winds and heavy
rains can cause outside activities to become dangerous. Secure loose
outdoor objects which can be blown around. Canopies should be
removed and/or well secured.

&&

...Probability of tropical storm conditions...
Although 20W remains a Tropical Depression at this time,
strengthening is expected over the next few days. Confidence
continues to increase in the probability of 20W becoming a Tropical
Storm within the next 6 to 12 hours.

...Winds...
As Tropical Depression 20W continues west of the Marianas, sustained
tropical storm force winds are expected to begin early this evening.
Winds of 35 to 45 mph, with gusts to 55 mph are expected, with
maximum winds in the 40 to 50 mph range, with gusts to 60 mph are
possible, especially for Guam and Rota. Minor to moderate damage is
likely to canopies, awnings, or carports. Poorly constructed homes
may sustain minor wall damage and partial roof damage. Some loose
outdoor items will be tossed around and may cause additional damage.
A few power lines may be knocked down resulting in isolated power
outages. Some large branches of healthy trees may be snapped.

...Seas...
As TD 20W strengthens, seas of 5 to 8 feet are expected to build to
between 10 and 14 feet. Seas will begin to subside later tonight as
20W continues to move west-northwestward.

...Storm surge and storm tide...
Storm surge of 1 to 3 feet along east to south facing reefs is
possible with this storm, with a total surf height of 9 feet
possible. This would result in minor inundation of up to 1 foot.

...Inland flooding...
A Flood Watch is in effect for the entire area. See latest forecast
for latest information. Listen for possible flood warnings for your
location...and be ready to act if flooding rains occur.

$$

Kleeschulte
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