Tuesday Morning Update

Dexter sheared badly

Satellite imagery this morning shows Dexter continuing to be badly sheared. Deep convection is noted on the far eastern quadrant, but most of the low level circulation is comprised of low clouds. Yesterday (second image below) smoke from wildfires in noted at the top of the image. The US coast is seen well to the west.

The Weather Situation
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...37.3N 64.4W
ABOUT 345 MI...555 KM N OF BERMUDA
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...NE OR 55 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES

Tropicast: IR satellite RAMMB Cira-Slider Tuesday Morning


Tropicast: Visible satellite RAAMB Cira-Slider Monday Late Afternoon


Tropical Weather Forecast:
Dexter is well north of Bermuda and well south of SE Canada. It is expected to become extratropical during the next 24 hours, not affecting land.

Tuesday Evening Update

Dexter changes little today

Satellite imagery continues to show the nearly same pattern with deep convection to the east of the low.

The Weather Situation
SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...38.6N 62.2W
ABOUT 460 MI...740 KM NNE OF BERMUDA
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...NE OR 55 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES

Tropicast: Visible satellite RAMMB Cira-Slider Tuesday Late Afternoon


Tropical Weather Forecast:
Dexter is moving over colder water and will become extratropical within 12 hours.

Wednesday Morning Update

Dexter almost extratropical

Satellite imagery this morning indicates a slow transition of Dexter to an extratropical cyclone. Dexter remains sheared with deep convection holding on east of the low center. Smoke from wildfires continues to be widespread north and west of the low. Also of note, the appearance of the low cloud structure with strato-cumulus becoming more dominant from the low passing over colder water.

The Weather Situation
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...39.4N 59.9W
ABOUT 405 MI...655 KM SSE OF HALIFAX NOVA SCOTIA
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...ENE OR 60 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES

Tropicast: Visible satellite RAMMB Cira-Slider Wednesday Morning


Tropical Weather Forecast:
Dexter is beginning to transition into an extratropical cyclone and will remain well south of SE Canada.

Thursday Morning Update

Dexter extratropical

Dexter was still classified as a tropical storm at 5am AST, but satellite imagery show that the transition is complete. The strongest winds are no longer near the center and energy is increasing with the tapping in of wind energy aloft instead of convection near the core.

The Weather Situation
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...40.6N 52.1W
ABOUT 425 MI...685 KM S OF CAPE RACE NEWFOUNDLAND
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...ENE OR 70 DEGREES AT 18 MPH...30 KM/H
MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES

Tropicast: Visible satellite RAMMB Cira-Slider Thursday Morning


Tropicast: Visible satellite RAMMB Cira-Slider Wednesday Afternoon


Tropical Weather Forecast:
Dexter will cross the northern North Atlantic Ocean as a gale center.