While Hurricane Erin’s presence continues to be felt along the east coast of the U.S., the National Hurricane Center has three other developments on its radar.
Disturbance 1: Invest AL90
An area of disorganized showers and thunderstorms associated with a tropical wave is located a few hundred miles east of the Leeward Islands.
Environmental conditions appear conducive for further development of this system, and a tropical depression is likely to form this weekend while it moves near or to the north of the northern Leeward Islands.
There’s a 60-80% chance of formation over the next 2-7 days.
Disturbance 2: Invest AL99
Showers and thunderstorms associated with a tropical wave located several hundred miles west-southwest of the Cabo Verde Islands have changed little in organization since earlier today.
Environmental conditions appear marginally favorable for additional development over the next day or so while the system moves generally westward at 10 to 15 mph, and a short-lived tropical depression could form. I
n a couple of days, environmental conditions are expected to become unfavorable for further development.
Spaghetti models below show this formation staying south of Puerto Rico.
There’s a 50% chance of development over the next 2-7 days.
Disturbance 3
A small area of low pressure located about 1,200 miles southwest of the Azores is producing limited showers and thunderstorms.
Upper-level winds are only marginally conducive for development while the system moves slowly eastward over the next couple of days. As this disturbance moves towards the east, we’ll continue to monitor closely.
There’s a 20% chance of development over the next 2-7 days.
The next named storms are Fernand, Gabrielle, and Humberto, respectively.