ATLANTIC DISTURBANCE AT THE WEEKEND: WIND, BUT ALSO RAIN
Friends of RIWMAG and METEOEVENTI welcome back. After a "technical" absence of a few months, here we are again punctual with the updates related to the weather for the weekend.
It has given way to the high pressure structure over the Mediterranean that is causing a shortage of water in several Italian regions, especially in the north. Its collapse is due to an Atlantic disturbance that is already affecting our beautiful country and will continue to be the main weather actor of the weekend.
Saturday, in fact, the whole peninsula will be under the action of the Atlantic low pressure and, inside, a cold structure will move at high altitude that will pass over the central-northern regions, digging a good pressure gradient to the ground.
Sunday, a channel of low pressure will extend from the Iberian Peninsula to the Balkans, but the baric gradient on the ground will be less intense.
He waited, Therefore, two windy days, especially Saturday, but with rain that will fall on many of our coasts.
Pressure (Geopotential Height Black isoline) temperature (in color) scheduled for the night between Saturday and Sunday. Highlighted the Atlantic low pressure structure that will be present over the Mediterranean for the entire weekend (source ECMWF www.ecmwf.int and elaborated by METEOEVENTI).
We try to identify which will be the areas where there will be more chances to find wind and "pleasant" weather.
north Tyrrhenian sector: expected winds that will rotate around a low pressure center positioned in the morning on the upper Tyrrhenian Sea and will be, then, accompanied by disturbed weather with rain running out towards the afternoon. Winds are expected from the quadrants of Levante from La Spezia to Genoa / Savona on the 15/18 nodes, while from Savona to Imperia the wind will be from the northeast with intensity on the 20/22 nodes. The extinction of the rain will also see the wind drop, in particular on the eastern sector.
Adriatic sector: nothing to report.
On Lake Maggiore we will have a ventilation from the North that will affect more the southern area of the lake.
center Tyrrhenian side: well ventilated the Tyrrhenian sector of central Italy for winds of Libeccio that will blow on the 20/22 knots from Grosseto to the coasts of Rome and Latina. The time, However, will not be the best, with intermittent rain in the morning and more continuous from the afternoon;
Adriatic side: drier the Adriatic coasts, but also less suction cups. Greater wind chances we will find on the coasts between Abruzzo and Molise for winds from the South on the 15/18 nodes.
south Adriatic side: the Libeccio will blow on the Adriatic coasts of Puglia on the 18/20 nodes, but with lower intensities between the coasts of Bari and Brindisi;
Ionic side: even the Ionian coasts will see the Libeccio blow from the gulfs of Squillace and Corigliano (22/25 nodes) up to the Salento coasts (18/20 nodes), leaving the Taranto area more in the shade. Further south the ventilation will be less intense, but on the spots overlooking the Strait we will find, in the afternoon, the typical wind from the North of intensity on the 22/25 nodes;
Tyrrhenian side: the southern Tyrrhenian coasts will see a gray and rainy weather, although breezy for West-Southwest on 18/20 nodes.
islands Sardinia: disrupted day with rain, but very windy for Mistral that will blow on the 28/30 knots on the west and north coasts of the island, 22/25 knots on the remaining Sardinian coasts. Ventilation up to 35 knots and more on the spots overlooking the Strait of Bonifacio;
Sicily: waiting for a windy day with winds mainly of the West that will blow on the 25/28 nodi sulle coste occidentali, 15/18 nodes on the northern ones, 20/22 nodes south of the island, as well as between Catania and Syracuse. The day will also be slightly disturbed with intermittent drizzle.
north Tyrrhenian side: we will still have wind from the quadrants of Levante on the Ligurian coasts of Imperia with intensity on the 15 nodes, in a slightly disturbed context with intermittent drizzle;
Adriatic side: nothing to report.
Little or nothing to report on the great lakes of northern Italy.
center Tyrrhenian side nothing to report;
Adriatic side little windy even the Adriatic coasts of central Italy.
south Adriatic side: the ventilation from the quadrants of Ponente will continue to affect the Adriatic coasts of Puglia until mid-morning with intensity on the 15/18 nodes, and then weaken in the rest of the day;
Ionic side: still ventilated the gulfs of Squillace and Corigliano, The winds will blow from the quadrants of Ponente on the 20/22 nodes, also affecting the area of the lower Crotonese.
The spots overlooking the Strait will again be affected in the afternoon by the wind from the North on the 15/18 nodes;
Tyrrhenian side: the Calabrian Tyrrhenian coasts will be windy in the morning for westerly winds on the 15/18 nodes, but in attenuation during the morning and in particular in the afternoon. Will be, However, a slightly disturbed morning with intermittent drizzle.
islands Sardinia: the Mistral will continue to blow on the coasts to the north of the island with intensity on the 15 nodes, but more intense in Gallura (here expected westerly winds on the 25 nodes);
Sicily: the Sicilian coasts are poorly ventilated. Residual conditions of winds from the west will remain on the coasts to the north of the island until mid-morning (expected intensity on 15 nodes, in particular towards Messina.
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