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FLORIDA
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Tropical Storm Theta
LOCATED
470 MI SSW OF THE AZORES
WINDS
65 MPH
PRESSURE
990 MB
MOVING
ENE AT 12 MPH
From the National Hurricane Center at 900 AM GMT Thu Nov 12 2020
THETA MOVING EAST-NORTHEASTWARD WITH LITTLE CHANGE IN STRENGTH
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 900 AM GMT (0900 UTC), the center of Tropical Storm Theta was located near latitude 31.7 North, longitude 30.2 West. Theta is moving toward the eastnortheast near 12 mph (19 km/h). This general motion is expected to continue for the next day or so, followed by a turn towards the east with a slower forward speed by Friday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Little change in strength is forecast through Friday. Slow weakening is forecast to begin over the weekend. Tropicalstormforce winds extend outward up to 205 miles (335 km) from the center. The estimated minimum central pressure is 990 mb (29.24 inches).

At 900 AM GMT (0900 UTC), the center of Tropical Storm Theta was located near latitude 31.7 North, longitude 30.2 West. Theta is moving toward the eastnortheast near 12 mph (19 km/h). This general motion is expected to continue for the next day or so, followed by a turn towards the east with a slower forward speed by Friday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Little change in strength is forecast through Friday. Slow weakening is forecast to begin over the weekend. Tropicalstormforce winds extend outward up to 205 miles (335 km) from the center. The estimated minimum central pressure is 990 mb (29.24 inches).

currently is comprised of a large swirl of low- to mid-level clouds with no convection near the center. However, a band of convection is wrapped about three-quarters of the way around the center at a distance of about 200 n mi in the eastern semicircle and 100 n mi in the western semicircle. Overall, the cyclone has somewhat of a subtropical appearance at this time. Since there has been no data from the cyclone's core region since the last scatterometer pass, the initial intensity is held at 55 kt. The storm continued to jog a little to the left since the last advisory, but the last few satellite images suggest a more eastward motion has resumed. The initial motion is a somewhat uncertain 060/10. For the next 24 h or so, Theta is expected to continue to move east-northeastward as it rounds the north side of a mid-level ridge centered over the Cabo Verde islands. An eastward to east-southeastward motion is expected from 24-72 h as the mid-level ridge to the south weakens and mid- to upper-level northerly flow moves over the cyclone. After that time, Theta or its remnants is expected to be steered northeastward in the low-level flow to the southeast of a deep-layer mid-latitude cyclone over the northeastern Atlantic. The new forecast track is adjusted north of the previous track based on the initial position and motion, and it lies near the various consensus models. Theta is forecast to change little in intensity during the next 36 h or so as it moves into the light shear area near an upper-level trough axis. After that time, the trough moves south of the cyclone, and strong northerly vertical shear should occur along with the entrainment of stable air. This combination should cause Theta to quickly weaken, and the intensity forecast calls for the system to decay to a remnant low pressure area by 96 h. The new intensity forecast has only minor adjustments from the old forecast, and it lies a little above the intensity consensus.

currently is comprised of a large swirl of low- to mid-level clouds with no convection near the center. However, a band of convection is wrapped about three-quarters of the way around the center at a distance of about 200 n mi in the eastern semicircle and 100 n mi in the western semicircle. Overall, the cyclone has somewhat of a subtropical appearance at this time. Since there has been no data from the cyclone's core region since the last scatterometer pass, the initial intensity is held at 55 kt. The storm continued to jog a little to the left since the last advisory, but the last few satellite images suggest a more eastward motion has resumed. The initial motion is a somewhat uncertain 060/10. For the next 24 h or so, Theta is expected to continue to move east-northeastward as it rounds the north side of a mid-level ridge centered over the Cabo Verde islands. An eastward to east-southeastward motion is expected from 24-72 h as the mid-level ridge to the south weakens and mid- to upper-level northerly flow moves over the cyclone. After that time, Theta or its remnants is expected to be steered northeastward in the low-level flow to the southeast of a deep-layer mid-latitude cyclone over the northeastern Atlantic. The new forecast track is adjusted north of the previous track based on the initial position and motion, and it lies near the various consensus models. Theta is forecast to change little in intensity during the next 36 h or so as it moves into the light shear area near an upper-level trough axis. After that time, the trough moves south of the cyclone, and strong northerly vertical shear should occur along with the entrainment of stable air. This combination should cause Theta to quickly weaken, and the intensity forecast calls for the system to decay to a remnant low pressure area by 96 h. The new intensity forecast has only minor adjustments from the old forecast, and it lies a little above the intensity consensus.

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