National Weather Service United States Department of Commerce

Unsettled Weather in the West; Marine and Coastal Impacts Along the East Coast

A series of Pacific fronts will bring periodic waves of showers and thunderstorms to parts of the Great Basin and Pacific Northwest the next few days. Swells, high surf, dangerous rip currents and areas of coastal flooding continue along much of the East Coast from both Humberto and Imelda. Unseasonably hot temperatures continue for much of the Plains and Midwest through the remainder of the week. 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

 

 

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
Calculate the distance between lat/long points