Public Advisory for TROPICAL STORM ANA

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TROPICAL STORM ANA INTERMEDIATE ADVISORY NUMBER 31A

Issued: 200 AM HST TUE OCT 21 2014

Ana west of the main Hawaiian islands now moving west

SUMMARY OF 200 AM HST...1200 UTC...INFORMATION

Location: 20.8N 165.4W
About 215 miles (345 km) SSE of FRENCH FRIGATE SHOALS
About 400 miles (640 km) W of Lihue Hawaii
Maximum sustained winds: 50 mph (85 km/h)
Present movement: W or 270 degrees at 9 mph (14 km/h)
Minimum central pressure: 999 MB or 29.50 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 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.


FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR
PRODUCTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
HONOLULU HAWAII.

DISCUSSION AND 48-HOUR OUTLOOK

At 200 am HST, 1200 UTC, the center of tropical storm Ana was located near latitude 20.8 north, longitude 165.4 west. Ana is moving toward the west near 9 mph, 14 km/h, and this motion is expected to gradually become northerly through early Thursday.

Maximum sustained winds are near 50 mph, 85 km/h, with higher gusts. Little change in strength is forecast through early Thursday.

Tropical storm force winds extend outward up to 90 miles, 150 km from the center.

The estimated minimum central pressure is 999 mb, 29.50 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, with local amounts of 12 inches, are possible over the northwest Hawaiian islands near the center of Ana.

NEXT ADVISORY
Next complete advisory...500 AM HST.

$$
FORECASTER POWELL