Overview
- Argentina’s national weather service kept orange and yellow alerts active across 14 provinces for strong to locally severe storms with large hail, 80–110 mm of rain and gusts up to 90 km/h, plus a wind alert on the Santa Cruz east coast with possible gusts over 100 km/h.
- The SMN’s guidance urged residents to stay indoors when possible, avoid flooded areas, secure loose objects, disconnect appliances if water enters homes and prepare emergency kits with essentials and contact numbers.
- In the United States, the National Weather Service forecast winter storms through Dec. 15 with snowfall totals up to 15 inches in parts of Pennsylvania and West Virginia, significant accumulations in New Jersey and Maryland, and heavy snow in locations in Alaska.
- Mexico’s meteorological service reported Cold Front No. 21 bringing intense rainfall in Veracruz, a north wind event with 70–90 km/h gusts in the Isthmus and Gulf of Tehuantepec and 50–70 km/h along Tamaulipas and Veracruz, with chubascos and breezy conditions across the Yucatán Peninsula.
- Local impacts included a full closure of the link road between El Pantanillo and Catamarca’s Felipe Varela Airport after river levels rose, with civil defense, road crews and police deployed to secure the area, while Spain’s AEMET signaled cloudy, rainy conditions with isolated storms in parts of Galicia.