FLORIDA
STORMS
Tropical Storm Rose
LOCATED
880 MI WNW OF THE CABO VERDE ISLANDS
WINDS
45 MPH
PRESSURE
1006 MB
MOVING
NW AT 20 MPH
From the National Hurricane Center at 500 AM AST Tue Sep 21 2021
Rose begins to weaken.
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 Storm Rose was located near latitude 21.0 North, longitude 36.4 West. Rose is moving toward the northwest near 20 mph (31 km/h). A slower northwestward motion is expected during the next couple of days followed by a turn to the north. Maximum sustained winds have decreased to near 45 mph (75 km/h) with higher gusts. Continued slow weakening is expected during the next few days. Tropical storm force winds extend outward up to 90 miles (150 km) from the center. The estimated minimum central pressure is 1006 mb (29.71 inches).

At 500 AM AST (0900 UTC), the center of Tropical Storm Rose was located near latitude 21.0 North, longitude 36.4 West. Rose is moving toward the northwest near 20 mph (31 km/h). A slower northwestward motion is expected during the next couple of days followed by a turn to the north. Maximum sustained winds have decreased to near 45 mph (75 km/h) with higher gusts. Continued slow weakening is expected during the next few days. Tropical storm force winds extend outward up to 90 miles (150 km) from the center. The estimated minimum central pressure is 1006 mb (29.71 inches).

Rose has lost organization over the past several hours. Satellite images show a fully exposed low-level center with only a small area of deep convection lingering in the southeastern quadrant. The Dvorak classifications have decreased, and the initial intensity is nudged downward to 40 kt.

Rose is moving northwestward at 17 kt. This general heading but with a decrease in forward speed is expected during the next couple of days as the storm is steered by the flow on the southwest side of a low- to mid-level ridge. By late this week and over the weekend, a sharp turn to the north and then the northeast is expected as Rose becomes embedded in the flow on the south side of a broad deep-layer trough. Although there is some spread in the guidance, the models all show the same general theme. The NHC track forecast lies near the middle of the guidance envelope.

The environment is expected to become increasingly unfavorable for Rose during the next several days with westerly shear increasing and dry air expected to wrap into the circulation. These conditions should promote a weakening trend, and the cyclone is forecast to become a remnant low by the weekend when it should be over cooler waters and in an environment of more than 30 kt of shear. Some of the models suggest that Rose could become a remnant low or open into a trough sooner than that, and if the current trend continues that is a distinct possibility. The new forecast is largely an update of the previous one, but does show the storm becoming a remnant low a day earlier.

Rose has lost organization over the past several hours. Satellite images show a fully exposed low-level center with only a small area of deep convection lingering in the southeastern quadrant. The Dvorak classifications have decreased, and the initial intensity is nudged downward to 40 kt.

Rose is moving northwestward at 17 kt. This general heading but with a decrease in forward speed is expected during the next couple of days as the storm is steered by the flow on the southwest side of a low- to mid-level ridge. By late this week and over the weekend, a sharp turn to the north and then the northeast is expected as Rose becomes embedded in the flow on the south side of a broad deep-layer trough. Although there is some spread in the guidance, the models all show the same general theme. The NHC track forecast lies near the middle of the guidance envelope.

The environment is expected to become increasingly unfavorable for Rose during the next several days with westerly shear increasing and dry air expected to wrap into the circulation. These conditions should promote a weakening trend, and the cyclone is forecast to become a remnant low by the weekend when it should be over cooler waters and in an environment of more than 30 kt of shear. Some of the models suggest that Rose could become a remnant low or open into a trough sooner than that, and if the current trend continues that is a distinct possibility. The new forecast is largely an update of the previous one, but does show the storm becoming a remnant low a day earlier.

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