Overview
- A brief but intense graupel shower on Friday left visible white deposits on streets, roofs and vehicles across parts of Bahía Blanca.
- The Municipality of Bahía Blanca reported no emergency calls or injuries linked to the episode and said impacts were limited.
- The Servicio Meteorológico Nacional issued yellow alerts for winds, snow and Zonda covering 13 provinces and forecast single-digit lows and gusts up to about 69 km/h.
- Forecasters warned the same cold front could produce isolated graupel in the Área Metropolitana de Buenos Aires and noted similar smaller reports in nearby towns such as Tandil.
- Graupel forms when supercooled liquid droplets freeze onto snowflakes creating small soft pellets that rarely exceed 5 mm, so the hazard is mainly slippery surfaces rather than structural damage, though strong gusts and low temperatures could raise local risks.