Subtropical Storm Joyce

Subtropical storm Joyce formed at the 5 PM advisory on September 12, 2018 in the NE Atlantic with winds of 45 mph and a central pressure of 1006 mb.

None

• ECMWF - Weak low gets pulled away by Helene. Pressure mid 1000 mbs.

• CMC - Weak low like other models, maintains strength longest and does slight loop.

• GFS - Spotted the system first. Weak low like the ECMWF gets pulled away by Helene. Pressure mid 1000 mbs.

• FV3 - Weak low like GFS.

• NAVGEM - Weak low pulled away by Helene.

• UKMET - N/A

• HWRF - Remains a weak low just with enough organization to maintain tropical status. 1009 mb lowest. Barely a TS.

• HMON - Barely a TD. Pressure low 1010 mbs.

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