Significant Heat in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.

A significant late season heat wave continues in the interior Pacific Northwest for at least one more day before easing somewhat Friday into Saturday. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. through Saturday which may bring areas of flooding. Read More >

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 (TC) Resources

American Samoa vs. Independent Samoa TC 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
Joint Typhoon Warning Center
National Hurricane Center
Samoa Meteorolog ical Services

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)

Lat/Long Distance Calculator
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Sunrise/Sunset Info (Oso/Goto le La)

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Tides Info (Tala o le Tai)

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