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Tropical Systems

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Tropical Depression Six Forms Southwest of Azores and Could Become Tropical Storm Fay

Forecasters say a brief window of favorable upper‑level flow could allow short‑lived strengthening before increasing wind shear weakens the system.

NHC Flags Invest 99L Could Become Tropical Depression Near Azores

NHC Lowers Odds for Subtropical Trough Near Bermuda; U.S. Threat Seen As Minimal

Atlantic Reaches Satellite‑Era Record as First Hurricane Still Has Not Formed

NHC Says Invest 96 Likely to Become a Tropical Depression

NHC Watches Three Atlantic Systems as Odds Rise for Two Developing Storms

Tropical Storm Cristóbal Forms as Forecasters Monitor Multiple Atlantic and Pacific Disturbances

NHC Expands Watch to Three Atlantic Disturbances as One Wave’s 7‑Day Odds Rise

Genevieve Falls to Category 2 Offshore as Fausto Drops to a Depression

Dangerous Multi-Day Heatwave Grips North and Central Texas

Tropical Depression Two Eyes Northern Gulf Coast as Tropical Storm Watches Move In

NHC Flags Low Chance of Tropical Development Off Southeast Coast

Bay of Campeche Low Moves Inland With Low Odds for Tropical Development

Coral Sea Low Poised to Hit North Queensland Late Week With Cyclone Risk

Tropical Low Puts Half of Australia on Flood Watch as Sydney Floods and Adelaide Braces

Tropical Low 18U Deepens Over Gulf With Cyclone Chance as Flood Threat Builds

Rare January Subtropical Disturbance Possible in Eastern Pacific This Weekend

Tropical Storm Melissa Forms in the Caribbean as Haiti Faces Hurricane Watch

NHC Designates Invest 98L as Tropical Wave Nears Windward Islands

Florida Soaker Has 0% Development Odds as Atlantic Wave’s Formation Chances Rise to 50%