Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Thursday

A Moderate Risk (Level 3 of 4) Excessive Rainfall Outlook and Flood Watches have been issued for portions of east Texas into Louisiana Thursday where flash, urban, and riverine flooding is possible. A Slight Risk (Level 2 of 5) for scattered severe thunderstorms has been issued from west Texas to the lower Mississippi Valley Thursday afternoon into Thursday night. Read More >

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Hurricane Local Statement

Tropical Cyclone Watch/Warning Break Points

NEW Tropical Cyclone Graphics: Track and Error Cone, Wind Speed Probabilities, Time of Arrival

New graphics will be available following updated bulletins issued by the Joint Typhoon Warning Center (JTWC) for cyclones between 10-20S and 164.5W-178.5W.

Tropical Cyclone Related Links

Differences between American Samoa and Independent Samoa tropical categories
Tropical Cyclone fix positions for tropical cyclones in the South Pacific from the Central Pacific Hurricane Center
RSMC Nadi Tropical Cyclone Centre - Regional Specialized Meteorological Center (RSMC) for the South Pacific
Central Pacific Hurricane Center - RSMC for the Central Pacific
Joint Typhoon Warning Center
National Hurricane Center
Samoa Meteorology Division

Saffir-Simpson Scale

Tropical Storm - winds 39-73 mph (34-63 kt)
Category 1 - winds 74-95 mph (64-82 kt)
Category 2 - winds 96-110 mph (83-95 kt)
Category 3 - winds 111-129 mph (96-112 kt)
Category 4 - winds 130-156 mph (113-136 kt)
Category 5 - winds 157 mph and up (137+ kt)

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