Joyce

Tropical cyclone archives for the 2018 Atlantic hurricane season
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Joyce

Post by Caribbean Traveler » Wed Sep 12, 2018 4:13 pm

Wednesday Evening Update

Joyce forms

The Weather Situation
An upper air low pressure system over the northern north Atlantic quickly developed into a subtropical storm today.

Current Tropical Weather
As of 5:00 PM AST Joyce was centered at 34.3 N / 41.9 W or 870 miles WSW of the Azores. It was moving SW at 6 mph. Top sustained winds are estimated at 45 mph. Pressure was estimated at 1006 MB.

Tropical Weather Forecast:
Forecast models take Joyce near the western Azores by the end of the weekend.

Tropicast: Early Afternoon Visible Satellite
Image

Tropicast: Mid Afternoon Visible Satellite
Image
Rich Johnson
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Re: Joyce

Post by Caribbean Traveler » Thu Sep 13, 2018 7:52 am

Thursday Morning Update

Joyce sheared

The Weather Situation
The only deep convection near Joyce is SE of the low center. It is currently fighting wind shear and IMO is now weaker than the official estimate at 5 AM AST.

Current Tropical Weather
As of 5:00 AM AST Joyce was centered at 33.8 N / 43.1 W or 945 miles WSW of the Azores. It was moving SW at 6 mph. Top sustained winds are estimated at 45 mph. Pressure was estimated at 1006 MB.

Tropical Weather Forecast:
Forecast models take Joyce near the western Azores by Monday.

Tropicast: Visible Satellite
Image
Rich Johnson
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Certified Broadcast Meteorologist - Hurricane Expert

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Re: Joyce

Post by Caribbean Traveler » Fri Sep 14, 2018 9:31 am

Friday Morning Update

Joyce west of Helene

The Weather Situation
Joyce looks slightly stronger than yesterday as more convection is associated with the circulation. It is in a Fujiwara effect, swinging around the larger circulation of Helene.

Current Tropical Weather
As of 5:00 AM AST Joyce was centered at 32.1 N / 44.9 W or 1090 miles WSW of the Azores. It was moving SSW at 8 mph. Top sustained winds are estimated at 40 mph. Pressure was estimated at 1003 MB.

Tropical Weather Forecast:
Forecast models take Joyce near the western Azores by Monday.

Tropicast: Visible Satellite
Image

NHC Forecast
https://www.nhc.noaa.gov/text/refresh/M ... 858.shtml?

NHC Track
https://www.nhc.noaa.gov/graphics_at5.s ... e#contents
Rich Johnson
Twitter: https://twitter.com/richjohnsonwx
Certified Broadcast Meteorologist - Hurricane Expert

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