Polo swiping Mexico, Dujuan swipes Japan, coastal thunderstorms in GA/SC

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Two tropical systems are causing problems this morning, neither catastrophic but worth mentioning. Tropical Storm Dujuan is just offshore from Tokyo this morning (evening in Asia) …

Map illustrating the basic storm impacts for Typhoon DUJUAN, showing areas of expected wind damage intensity and economic impact estimates.

Closer to home, tropical storm Polo is forecast to brush the Pacific coast of Mexico this week. Tropical storm watches are up, here are Key messages regarding Tropical Storm Polo (en Español: Mensajes Claves). The big risk for this kind of event is heavy rain and flash flooding in the coastal mountain ranges.

Map showing the basic storm impacts for Tropical Cyclone Polo, with estimated economic impact and projected wind swath colors indicating varying levels of damage.

And just offshore from the Coastal GA/SC area (better known as the Frogmore Metroplex), a group of thunderstorms with a fair amount of embedded lightning is slowly moving ashore. Be ready for that as you start your week, moving right over Frogmore itself but bits near Bluffton and a strong line might brush southside Savannah, Richmond Hill, Fort Stewart …

A weather radar map showing low-level reflectivity over the coastal region near Savannah, Georgia, with areas of precipitation indicated in color, dated September 21, 2026.

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