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A "medicine" is expected to threaten the shores of the Mediterranean in the coming days and Greece seems to be among the main targets.
Although drugs are not technically hurricanes, despite the similar nomenclature, cyclones can affect the strength of hurricanes, and they tend to develop. some tropical characteristics. Medicans are quite rare, with only a dozen of them between 1982 and 2003. But as we will probably see in the days to come, important medications multiply sometimes, and when that happens, they can leave a mark.
In the coming days, an organized low pressure zone is expected to form south of the heel of Italy. As early as Friday, the cyclone may be flirting with a lower Class 1 equivalence, causing waves in the Ionian Sea and resulting gusts of 75 mph or even more.
Strong southerly winds are set up to pile up against the exposed west coast in the storm path. This should trigger a storm surge of 2 to 3 feet. The most affected areas are probably the south of Albania and the Greek islands, where one expects rainfall of 3 to 5 inches. The storm will weaken as it interacts with the shoreline by Sunday, possibly also bombarding Athens with torrential rains and tropical storms.
The European weather forecast for Saturday shows a "medicine" off Greece. (Weathermodels.com)
Since the Mediterranean is a small, land-bound basin, medicines have limited time and energy.
Medications tend to be small systems – up to 200 miles – and have a much shorter lifespan than their cousins in the great oceans. While some drugs may stay for a few days, such as a Beast 90 hours in September 1983, they tend to show only tropical characteristics for hours rather than days. Most of the time, these hybrid storms are more like a storm we see in winter along the east coast.
Ordinary hurricanes form on ocean surfaces of more than 79 degrees. It is these warm seas that stir a juicy atmosphere and can burst a storm in no time. But in the Mediterranean, the waters are cooler. In fact, the drugs have occurred on seas as cool as 57 years! On the basis of this fact alone, it is easy to see that these curious storms are different from hurricanes and that their energy is different.
In addition, hurricanes and tropical cyclones are hot-core systems. It means that the storm is feeding vertical instability, and is maintained by pulling in the hot and humid air.
[Watch this rare ‘medicane’ tropical storm take shape in the Mediterranean]
The drugs are usually based on the cold core. Like other mid-latitude storms, they begin when an atmospheric disturbance, commonly referred to as whirlwind revolves around a dip in the stream. This is usually associated with cold air aloft. This icy air in the center sinks and settles on the ground, drawing more air to fill the void. Snowstorms and most other continental disturbances are not the other examples of cold-core systems.
Under good conditions, these pockets of cold-core vorticity may encounter warmer waters over the Mediterranean. In the absence of strong winds tearing the incipient rotation area, it can grow from the bottom up. In some cases, a drug may develop a hot kernel and adopt malicious tropical traits.
Like a hurricane, the most powerful drugs are usually symmetrical. This is something you do not tend to see with a cold core system. And likewise, they can have calm, clear eyes. It's rare in everything but a hurricane.
Regardless of the technical aspects, the drugs are not a problem. On September 26, 2006, a drug shook the Italian port city of Salerno with winds of 89 mph while the air pressure dropped to 986 millibars. A particularly memorable event in September 1969 punished the regions of Tunisia to Algeria, where more than 600 people died as a result of devastating floods fueled by the storm. More than a quarter of a million people were also left homeless by this event.
More destructive drugs can be considered through climate change. Although studies have suggested that they may become slightly less frequent, those that make the shape has a chance to be stronger thanks to the warmer waters.
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