DISCUSSION: Strong thunderstorms erupted over Italy on the day Sunday thanks in part to the very warm and unstable air mass that has been in place for days now. This unstable air aided in the development of large hailstones and very heavy rainfall, which led to mudslides across Northern Italy. No injuries or deaths were reported from these storms. However, Italians have a lot of cleanup to do. Streets turned into rivers of water and mud as the heavy rainfall from the morning moved to lower ground. Several homes and businesses were left with a thick layer of muck to contend with. Across Central and Southern Italy, hail became the major player as hailstones the size of golf balls came crashing down on homes and cars. Again, thankfully, no injuries or deaths were reported but insurance companies will have a lot of work come Monday. The storms continued to work their way to the South and East as the Sun began to set across the European continent. The storms will bring a brief reprieve from the intense heat and humidity, but muggy conditions will make a comeback later this week.
To learn more about other high-impact weather events from across Europe, be sure to click here! ~ Meteorologist Jake Keiser
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DISCUSSION: As strong fired across parts of central and south-central Europe during the day on Sunday, there was a substantial threat for severe weather to unfold. Due to the presence of warm temperatures, a high concentration of low/mid-level moisture, and strong convective instability, there was a very conducive regional atmospheric environment for deep convective storms. As these storms formed and intensified substantially, the increased strength of core updrafts facilitated ice particles to remain suspended within the storms for a longer period of time. Hence, as the ice particles remain suspended for a longer period of time, this allowed to grow in size to the point at which they were too heavy to remain suspended within the most intense part of the thunderstorm. Thus, the end-result was a large quantity of relatively large hail stones (i.e., hailstones with diameters of greater than 1") falling to the ground.
To learn more about other high-impact weather events from across Europe, be sure to click here! ©2017 Meteorologist Jordan Rabinowitz |
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