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FLORIDA
STORMS
Tropical Depression Ana
LOCATED
540 MI NE OF BERMUDA
WINDS
35 MPH
PRESSURE
1008 MB
MOVING
NE AT 17 MPH
From the National Hurricane Center at 500 PM AST Sun May 23 2021
ANA WEAKENS TO A DEPRESSION AND EXPECTED TO BECOME A REMNANT LOW SOON
TAP LINKS BELOW TO FOCUS
Alerts
hazards
summary
DISCUSSION

There are no coastal watches or warnings in effect.

There are no coastal watches or warnings in effect.

None.

None.

At 500 PM AST (2100 UTC), the center of Tropical Depression Ana was located near latitude 37.5 North, longitude 57.7 West. The depression is moving toward the northeast near 17 mph (28 km/h) and this heading with an increase in forward speed is expected through Monday. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Ana is forecast to become a remnant low by tonight and dissipate on Monday. The estimated minimum central pressure is 1008 mb (29.77 inches).

At 500 PM AST (2100 UTC), the center of Tropical Depression Ana was located near latitude 37.5 North, longitude 57.7 West. The depression is moving toward the northeast near 17 mph (28 km/h) and this heading with an increase in forward speed is expected through Monday. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Ana is forecast to become a remnant low by tonight and dissipate on Monday. The estimated minimum central pressure is 1008 mb (29.77 inches).

Other than brief puff of convection late this morning, tiny Ana has been devoid of organized deep convection for several hours. ASCAT overpass data from this morning indicated that the peak winds had deceased to 35 kt. Due to the lack of convection since that time, it is reasonable to assume that the vortex has spun down a bit, and therefore the initial advisory intensity has been lowered to 30 kt. Ana is over cool waters and surrounded by very dry air in the mid-troposphere. The brief convection that did occur today was quickly stripped away, indicating that the anticipated increase in shear has begun. Satellite imagery suggests that the circulation of Ana is approaching a strong subtropical upper-level jet just to its east, which is expected to produce even stronger shear over the cyclone. These conditions should prevent further convection, if any, from surviving, and the cyclone is expected to degenerate into a remnant low by tonight. What is left of Ana's low-level circulation should open into a trough on Monday as it is absorbed by a large baroclinic zone approaching from the northwest. The depression continues to accelerate northeastward, and the forward motion is now northeastward at 15 kt. An accelerating northwestward motion is anticipated until dissipation as Ana gets caught up in increasing deep-layer southwesterly flow.

Other than brief puff of convection late this morning, tiny Ana has been devoid of organized deep convection for several hours. ASCAT overpass data from this morning indicated that the peak winds had deceased to 35 kt. Due to the lack of convection since that time, it is reasonable to assume that the vortex has spun down a bit, and therefore the initial advisory intensity has been lowered to 30 kt. Ana is over cool waters and surrounded by very dry air in the mid-troposphere. The brief convection that did occur today was quickly stripped away, indicating that the anticipated increase in shear has begun. Satellite imagery suggests that the circulation of Ana is approaching a strong subtropical upper-level jet just to its east, which is expected to produce even stronger shear over the cyclone. These conditions should prevent further convection, if any, from surviving, and the cyclone is expected to degenerate into a remnant low by tonight. What is left of Ana's low-level circulation should open into a trough on Monday as it is absorbed by a large baroclinic zone approaching from the northwest. The depression continues to accelerate northeastward, and the forward motion is now northeastward at 15 kt. An accelerating northwestward motion is anticipated until dissipation as Ana gets caught up in increasing deep-layer southwesterly flow.

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