Eastern Pacific Basin

Eastern Pacific Active Storms

Tropical Storm OCTAVE

70% chance in 48 hours / 90% chance in 7 days

Offshore of the Southwestern Coast of Mexico: Shower and thunderstorm activity has increased in association with a trough of low pressure located a few hundred miles off the coast of southern and southwestern Mexico. Environmental conditions appear conducive for gradual development, and a tropical depression is likely to form by the weekend while the system moves generally west-northwestward, remaining parallel to but offshore of the southwestern coast of Mexico. Interests along the southwestern coast of Mexico should monitor the progress of this system. * Formation chance through 48 hours...high...70 percent. * Formation chance through 7 days...high...90 percent.

Atlantic Basin

Atlantic Active Storms

Post-Tropical Cyclone IMELDA

10% chance in 48 hours / 10% chance in 7 days

Southwestern Atlantic: An area of low pressure may form along a remnant frontal boundary near the northwestern Bahamas and southern Florida during the next day or two. Any additional development is expected to be slow to occur as the system moves northwestward across the Florida Peninsula and into the Gulf of America. * Formation chance through 48 hours...low...10 percent. * Formation chance through 7 days...low...10 percent.

0% chance in 48 hours / 20% chance in 7 days

Central Tropical Atlantic: A tropical wave is expected to move off the coast of Africa over the next day or two. Thereafter, this wave is forecast to interact with another disturbance in the eastern tropical Atlantic, and some slow development of the combined feature is possible as the system moves westward to west-northwestward at 15 to 20 mph. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 7 days...low...20 percent.