Public Advisory for TROPICAL STORM ANA

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TROPICAL STORM ANA ADVISORY NUMBER 30

Issued: 500 PM HST MON OCT 20 2014

Ana slowly weakening west of the main Hawaiian islands

SUMMARY OF 500 PM HST...0300 UTC...INFORMATION

Location: 20.6N 164.4W
About 260 miles (415 km) SSE of FRENCH FRIGATE SHOALS
About 335 miles (540 km) WSW of Lihue Hawaii
Maximum sustained winds: 60 mph (95 km/h)
Present movement: WNW or 285 degrees at 9 mph (15 km/h)
Minimum central pressure: 997 MB or 29.44 inches

WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY

A tropical storm warning is in effect for portions of the Papahanaumokuakea marine national monument, from Nihoa to maro reef. The hurricane watch from Nihoa to maro reef is canceled.

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 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.

DISCUSSION AND 48-HOUR OUTLOOK

At 500 pm HST, 0300 UTC, the center of tropical storm Ana was located near latitude 20.6 north, longitude 164.4 west. Ana is moving toward the west-northwest near 9 mph, 15 km/h, and this motion is expected to continue for the next 12 to 24 hours with a gradual turn to the northwest in 24 to 48 hours.

Maximum sustained winds are near 60 mph, 95 km/h, with higher gusts. Some slow weakening is expected for the next 24 hours with a slight increase in strength expected in 48 hours.

Tropical storm force winds extend outward up to 115 miles, 185 km from the center.

The estimated minimum central pressure is 997 mb, 29.44 inches.

HAZARDS AFFECTING LAND

WIND

Tropical storm conditions are expected over necker island, French Frigate Shoals, and nearby waters Tuesday afternoon through Wednesday.

SURF

Large swells produced by Ana will build across the northwest Hawaiian islands through Wednesday. 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 are possible over the northwest Hawaiian islands near the center of Ana.

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

$$
FORECASTER BURKE