Public Advisory for TROPICAL STORM ANA

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TROPICAL STORM ANA ADVISORY NUMBER 28

Issued: 500 AM HST MON OCT 20 2014

Ana moving westward away from the main Hawaiian islands and heading toward the northwest Hawaiian islands

SUMMARY OF 500 AM HST...1500 UTC...INFORMATION

Location: 20.6N 163.3W
About 300 miles (480 km) SE of FRENCH FRIGATE SHOALS
About 270 miles (435 km) WSW of Lihue Hawaii
Maximum sustained winds: 70 mph (110 km/h)
Present movement: W or 265 degrees at 10 mph (17 km/h)
Minimum central pressure: 995 MB or 29.39 inches

WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT

A TROPICAL STORM WARNING IS IN EFFECT FOR:

PORTIONS OF THE PAPAHANAUMOKUAKEA MARINE NATIONAL MONUMENT, FROM
NIHOA TO FRENCH FRIGATE SHOALS.

A HURRICANE WATCH IS IN EFFECT FOR:

PORTIONS OF THE PAPAHANAUMOKUAKEA MARINE NATIONAL MONUMENT, FROM
NIHOA TO MARO REEF.

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA, IN THIS CASE WITHIN THE
NEXT 24 TO 36 HOURS.

A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA, IN THIS CASE WITHIN 36 TO 48 HOURS. A
HURRICANE WARNING MAY BE REQUIRED FOR PORTIONS OF THE WATCH AREA
LATER TODAY.

DISCUSSION AND 48-HOUR OUTLOOK

At 500 am HST, 1500 UTC, the center of tropical storm Ana was located near latitude 20.6 north, longitude 163.3 west. Ana is moving toward the west near 10 mph, 17 km/h. This motion is expected to continue through the morning, followed by a gradual turn to the northwest later today and Tuesday.

Maximum sustained winds are near 70 mph, 110 km/h, with higher gusts. Little change in intensity is expected today, followed by some intensification on Tuesday.

Tropical storm force winds extend outward up to 105 miles, 165 km from the center.

The estimated minimum central pressure is 995 mb, 29.39 inches.

HAZARDS AFFECTING LAND

WIND

Tropical storm conditions are expected over necker island, French Frigate Shoals, and tern island late tonight or Tuesday. Hurricane conditions are possible over French Frigate Shoals, tern island, and nearby waters on Tuesday afternoon or Tuesday night.

SURF

Large swells produced by Ana will build across the northwest Hawaiian islands through Tuesday. Surf produced by these swells will be dangerous along the southern and southeastern facing reefs of the northwest Hawaiian islands.

RAINFALL

Rainfall amounts of 4 to 8 inches, with local amounts of 12 inches, are possible over the northwest Hawaiian islands near the center of Ana.

NEXT ADVISORY
NEXT INTERMEDIATE ADVISORY...800 AM HST.
Next complete advisory...1100 AM HST.

$$
FORECASTER WROE