Tropical Storm Ann (1999)

Basin

Western Pacific

Dates

September 14, 1999 to September 20, 1999

Peak strength

Tropical Storm, 45 kt (52 mph)

Lowest pressure

985 mb (29.09 inHg)

Landfall

No; closest approach 48 km (30 mi)

Accumulated cyclone energy

2.4

Identifier

WP231999

Radar at RODN as it neared land, Sep 14, 12:00 UTC

No source this site reads carries a casualty or damage figure for this storm.

• Unnamed tropical stormWestern Pacific · 1999Tropical Storm35 kt
• Tropical Storm IrisWestern Pacific · 1999Tropical Storm35 kt
• Unnamed tropical stormWestern Pacific · 1999Tropical Storm35 kt
• Typhoon KateWestern Pacific · 1999Cat 175 kt · 980 mb
• Typhoon LeoWestern Pacific · 1999Cat 3110 kt · 970 mb
• Typhoon MaggieWestern Pacific · 1999Cat 3105 kt · 955 mb
• Unnamed tropical depressionWestern Pacific · 1999Tropical Depression
• Unnamed tropical depressionWestern Pacific · 1999Tropical Depression
• Unnamed tropical depressionWestern Pacific · 1999Tropical Depression30 kt · 996 mb
• Unnamed tropical depressionWestern Pacific · 1999Tropical Depression30 kt
• Tropical Storm NeilWestern Pacific · 1999Tropical Storm40 kt · 980 mb
• Unnamed tropical depressionWestern Pacific · 1999Tropical Depression25 kt · 985 mb
• Typhoon OlgaWestern Pacific · 1999Cat 180 kt · 970 mb
• Tropical Storm PaulWestern Pacific · 1999Tropical Storm50 kt · 980 mb
• Tropical Storm RachelWestern Pacific · 1999Tropical Storm35 kt · 992 mb
• Unnamed tropical depressionWestern Pacific · 1999Tropical Depression25 kt
• Unnamed tropical depressionWestern Pacific · 1999Tropical Depression25 kt
• Typhoon SamWestern Pacific · 1999Cat 175 kt · 980 mb
• Unnamed tropical depressionWestern Pacific · 1999Tropical Depression30 kt
• Typhoon VirgilWestern Pacific · 1999Cat 170 kt · 994 mb
• Tropical Storm WendyWestern Pacific · 1999Tropical Storm40 kt · 996 mb
• Typhoon YorkWestern Pacific · 1999Cat 170 kt · 980 mb
• Tropical Storm ZiaWestern Pacific · 1999Tropical Storm45 kt · 985 mb
• Super Typhoon BartWestern Pacific · 1999Cat 5140 kt · 930 mb
• Tropical Storm CamWestern Pacific · 1999Tropical Storm40 kt · 992 mb
• Typhoon DanWestern Pacific · 1999Cat 3110 kt · 955 mb
• Tropical Storm EveWestern Pacific · 1999Tropical Storm35 kt · 990 mb
• Unnamed tropical depressionWestern Pacific · 1999Tropical Depression30 kt
• Tropical Storm FrankieWestern Pacific · 1999Tropical Storm35 kt
• Typhoon GloriaWestern Pacific · 1999Cat 165 kt · 980 mb
• Unnamed tropical depressionWestern Pacific · 1999Tropical Depression30 kt
• Unnamed tropical depressionWestern Pacific · 1999Tropical Depression30 kt
• Unnamed tropical depressionWestern Pacific · 1999Tropical Depression30 kt

A best track is the record a warning agency settles on after the storm, not what it said at the time: position, maximum sustained wind and central pressure every six hours, revised against every observation that came in later. Category is the Saffir-Simpson scale, which runs from Category 1 at 64 kt to Category 5 at 137 kt and reads wind only, so it says nothing about surge or rain. Accumulated cyclone energy adds up the square of the wind through the storm's life, so it counts strength and duration together.

Storm history from NOAA NCEI’s International Best Track Archive for Climate Stewardship (IBTrACS), which merges the official best track of every warning agency. Live storms, cones, watches and warnings from the National Hurricane Center and the Central Pacific Hurricane Center. Archived radar from NOAA’s Level II archive.