Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Meteosat Land Weather Data Metop Tags Meteosat Second Generation (MSG) AVHRR SEVIRI Africa Metop-A Metop-B EPS Europe Asia SW Pacific SNPP VIIRS Date 2013 Date November SHOW ALL Sort by Start Date Order Ascending Descending 6 results Case study 28 November 2013 09:00–18:00 UTC Massive hailstorm over Gauteng, South Africa Severe thunderstorms with golf ball size hail and flash floods hit Gauteng province of South Africa in late November. Case study 18 November 2013 09:00–16:00 UTC Severe thunderstorms over Sardinia Flash floods caused by heavy thunderstorms tear through streets in Sardinia, submerging homes and killing at least 18 people. Case study 16 November 12:00 UTC–17 November 12:00 UTC Storms over Scandinavia Record wind speeds were measured when storms passed northern parts of Scandinavia in mid-November. Case study 14 November 2013 05:30–11:00 UTC Signs of severe turbulence The 'fringing' in jet stream cirrus, seen in the imagery, indicates the likelihood of severe turbulence. Case study 8 November 2013 04:00 UTC Super Typhoon Haiyan devastates the Philippines The equivalent of a category-5 hurricane Typhoon Haiyan struck the Philippines in November 2013. Case study 6 November 2013 10:30–14:30 UTC Distrails over Central Europe A distrail, short for dissipation trail, forms when an aircraft flies through a supercooled cloud.