Tropical Update: Little Change in Organization of 91L

Invest 91L has changed little in organization since yesterday. Analysis Looking at satellite imagery, convective (shower and thunderstorm) activity has increased this morning. However, it has been waning in intensity and coverage with the diurnal cycle for the past several…

JUST IN: Invest 90L Upgraded to Subtropical Storm Andrea

While investigating Invest 90L this afternoon, a USAF reconnaissance aircraft found a well-defined low-level center of circulation and winds of 40 mph, prompting an upgrade to Subtropical Storm Andrea. As of the 5:30 PM special advisory package, Andrea was located…

Tropical Update: Invest 90L Designated East of Bahamas

An area of disturbed weather just east of the Bahamas, which is associated with a surface trough, has been designated invest 90L by the National Hurricane Center. Analysis 40 kts of westerly wind shear is hindering development at this time.…

Tropical Update: Development Possible South of Bermuda Early Next Week

There is a chance for some tropical and/or subtropical development just south of Bermuda early next week. Special TWO issued for the Atlantic… 30% chance for tropical/subtropical development over the next 5 days. pic.twitter.com/727XgRMxTw — Gulf Coast Storm Center (@GCSCWX)…