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FLORIDA
STORMS
Tropical Depression Omar
LOCATED
310 MI NNE OF BERMUDA
WINDS
35 MPH
PRESSURE
1005 MB
MOVING
E AT 14 MPH
From the National Hurricane Center at 500 AM AST Thu Sep 03 2020
OMAR REFUSES TO GIVE IN TO STRONG UPPER-LEVEL WINDS
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 AM AST (0900 UTC), the center of Tropical Depression Omar was located near latitude 36.3 North, longitude 62.4 West. Omar is moving toward the east near 14 mph (22 km/h), and this general motion is expected to continue through tonight, accompanied by a decrease in forward speed. A turn toward the eastnortheast and northeast is expected Friday and Friday night.

Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gradual weakening is forecast, and Omar is expected to become a remnant low later today or tonight. The remnant low should dissipate on Saturday.

The estimated minimum central pressure is 1005 mb (29.68 inches).

At 500 AM AST (0900 UTC), the center of Tropical Depression Omar was located near latitude 36.3 North, longitude 62.4 West. Omar is moving toward the east near 14 mph (22 km/h), and this general motion is expected to continue through tonight, accompanied by a decrease in forward speed. A turn toward the eastnortheast and northeast is expected Friday and Friday night.

Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gradual weakening is forecast, and Omar is expected to become a remnant low later today or tonight. The remnant low should dissipate on Saturday.

The estimated minimum central pressure is 1005 mb (29.68 inches).

Omar continues to produce bursts of deep convection with the center occasionally obscured beneath the northern edge of the convective canopy. Based on last evening's ASCAT pass and a recent classification of T2.0 from TAFB, the initial intensity remains 30 kt. Amazingly, 50 kt of north-northwesterly shear has not been enough to prevent deep convection from developing, likely because Omar remains in an unstable thermodynamic environment and over sea surface temperatures of 27-28 degrees Celsius. These conditions are not expected to become less conducive for convective development, and the only thing that will likely make it harder for Omar to maintain convection will be the shear vector becoming increasingly out of phase with the storm motion vector during the next couple of days. With the current round of convection ongoing, it may take a little while longer for Omar to degenerate to a remnant low, and that occurrence has been pushed to 24 hours in the NHC forecast. Dissipation has been moved to 60 hours since all global models indicate that the remnant low's circulation should open up into a trough by then. Omar is moving eastward (090/12 kt) along the northern periphery of the subtropical ridge. A general eastward motion should continue for the next 24 hours, with Omar then turning toward the northeast by 48 hours ahead of an approaching cold front. The NHC track forecast is down the middle of the tightly packed guidance suite, and this new prediction is very close to the previous forecast.

Omar continues to produce bursts of deep convection with the center occasionally obscured beneath the northern edge of the convective canopy. Based on last evening's ASCAT pass and a recent classification of T2.0 from TAFB, the initial intensity remains 30 kt. Amazingly, 50 kt of north-northwesterly shear has not been enough to prevent deep convection from developing, likely because Omar remains in an unstable thermodynamic environment and over sea surface temperatures of 27-28 degrees Celsius. These conditions are not expected to become less conducive for convective development, and the only thing that will likely make it harder for Omar to maintain convection will be the shear vector becoming increasingly out of phase with the storm motion vector during the next couple of days. With the current round of convection ongoing, it may take a little while longer for Omar to degenerate to a remnant low, and that occurrence has been pushed to 24 hours in the NHC forecast. Dissipation has been moved to 60 hours since all global models indicate that the remnant low's circulation should open up into a trough by then. Omar is moving eastward (090/12 kt) along the northern periphery of the subtropical ridge. A general eastward motion should continue for the next 24 hours, with Omar then turning toward the northeast by 48 hours ahead of an approaching cold front. The NHC track forecast is down the middle of the tightly packed guidance suite, and this new prediction is very close to the previous forecast.

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