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A new study says Glacier National Park's iconic mountain goats are in dire need of 'air conditioning.'

Very dynamic pattern across the Atlantic continues in the coming days. A very large trough will develop another deep wave towards the European continent on Thursday, resulting in a strong cyclone across the British Isles, Ireland and France. Severe windstorm will locally bring gusts up to 150 km/h! A very large and deep upper-level long-wave […]

The post Another deep cyclone will develop over western Europe, delivering dangerous windstorm across parts of the UK and Ireland, Dec 12-13th appeared first on Severe Weather Europe.

The stratospheric polar vortex is coming at us with a vengeance! It was under a lot of pressure lately and was fighting for its existence. Being attacked by many pressure and temperatures waves, it survived them all and is now ready to power up. We were monitoring the stratospheric warming event as it was developing. […]

The post *Monthly outlook* The stratospheric polar vortex will survive all attacks and is coming at us with a vengeance! Late December and January are expected to be milder, with only brief cold episodes! appeared first on Severe Weather Europe.

An upper low has ejected from the main west European upper trough across the Alps and is now moving across S Mediterranean and S Balkans towards SE. An associated surface cyclone with the frontal system is resulting in torrential and locally excessive rainfall with both storms and orographic rainfall across eastern Greece, with also a […]

The post An excessive amount of rainfall with flooding threat across the eastern Thessaly region, Greece today appeared first on Severe Weather Europe.

Extremely windy conditions and life-threatening conditions are unfolding across the western half of Iceland as bombogenesis cyclone is sitting along the SE parts of the island. Central pressure is already below 950 mbar, cyclone continues deepening. As the cyclone is expected to drift further east tonight, extreme wind threat will worsen and spread across much […]

The post Violent winter storm across Iceland is underway, intense snowfall (N Iceland) and 150-190 km/h gusts (W-NW Iceland) – conditions worsening tonight with close to 250 km/h gusts in SE parts of Iceland tomorrow appeared first on Severe Weather Europe.

Please refer to the previous discussion for broad synoptic details and weather pattern analysis. This is the evening update on a developing powerful winter storm over Iceland through the next 48 hours. Models are is very good agreement is developing a very dangerous cyclone, rapidly intensifying from this evening through Tuesday. Cyclone is now already […]

The post Dec 9th *UPDATE* on the developing powerful ‘bomb cyclone’ / winter storm across Iceland – violent windstorm and major snowstorm are expected appeared first on Severe Weather Europe.

Explanations for abbreviations (TSTM, SLGT, ENH, etc.) SYNOPSIS A very deep trough with intense cold-core low will develop across the North Atlantic with explosive cyclogenesis – a so-called ‘bomb cyclone’ – at the surface. A combination of a sharp pressure gradient and rapid cyclogenesis taking place, a violent winter storm with major snowfall and blizzard […]

The post Outlook DAY 1&2 (valid: 10/12/2019 – 12/12/2019) appeared first on Severe Weather Europe.

Political affiliations, the presence of local environmental organizations and prior local media coverage of climate change play a role in how a community reacts to an extreme weather event, according to new research.

West Indian Ocean is yet again bringing some unexpected tropical behaviors. While Cyclone Belna was gradually weakening today, it rather unexpectedly exploded and intensify again in the final hours before landfall. Officially, Belna was packing maximum sustained winds of 80 knots / 90mph at 12 UTC today, Dec 9th, with a central pressure of around […]

The post Tropical Cyclone #Belna has made a devastating landfall in Madagascar with a few hour bursts of rapid intensification before reaching the coast appeared first on Severe Weather Europe.

A volcanic eruption occurred on the White Island volcano, New Zealand, which is a popular tourist attraction due to it being a volcano and having easy access. The explosive volcanic eruption occurred at around 14:11 local time, and has sent ash, smoke and debris almost 4km high up into the air. Around 50 people were […]

The post *Volcano watch* An explosive volcanic eruption occurred at White Island (NZ), and affected the crater floor when tourists were visiting the island. 5 people are reported deceased with over 40 still missing! No survivors were found yet. appeared first on Severe Weather Europe.

As we discussed earlier – an active pattern across the North Atlantic – continues this week. A monster cyclone with pressure near or below 940 mbar will develop over Iceland and significantly enhance severe weather threat as an extreme amount of snow, dangerous winds and major snowdrifts develop. The result will be many impassable roads […]

The post A ‘bombogenesis’ cyclone travels across Iceland – a life-threatening situation with a significant amount of snow (100-200 cm) and hurricane-force winds across the northern half of the country, Dec 10-11th appeared first on Severe Weather Europe.

Although cyclone #Belna is already weakening, it remains a large tropical system with strong Category 1 strength, located just north of Madagascar. Belna is packing maximum sustained winds of 80 knots / 90 mph / 150 km/h with central pressure near 980 mbar and continues due south – the landfall is expected this evening local […]

The post Dangerous landfall of cyclone #BELNA is imminent for #Madagascar this afternoon appeared first on Severe Weather Europe.

Here is a short update on the developing Arctic outbreak across the United States today. While extremely cold airmass spreads into the Dakotas and Great Lakes region, a strong warm advection spreads into the East Coast and NE US. This creates a very impressive temperature contrast between these regions. Parts of NE US warm into […]

The post An impressive near 40 °C / 70 °F temperature contrast between the north and northeast United States on Tuesday, Dec 10th appeared first on Severe Weather Europe.

While windstorms attack North Europe, and Arctic cold spills over North America, across the world down under in Australia heatwaves bring 40+°C temperatures day after day. And the summer has just begun in the Southern Hemisphere! In the past days, high temperatures were recorded over West Australia. Maximum temperatures exceeded 45°C! In November, many regions […]

The post *Heat waves* Windstorms attack Northern Europe, Arctic cold invades North America, but a whole nother beast threatens Australia, raising temperatures above 45°C! appeared first on Severe Weather Europe.

While more or less mild pattern continues across Europe with no significant signs of more intense winter weather or cold temperatures, at least Scandinavia had some cold periods lately and that’s about it. But, across the Atlantic, Arctic outbreaks are often occurring this year, again! Yet another intense outbreak of extremely cold Arctic air mass […]

The post A new *intense Arctic cold outbreak* develops over the north-northeast United States through the next few days, Dec 8-12th appeared first on Severe Weather Europe.

While the North Atlantic becomes much more active with deep cyclones this weekend, large troughs also push into the western parts of Europe. This weekend’s setup will develop two potentially dangerous cyclones traveling across western Europe. The first cyclone / wave with tight pressure gradient develops west of Ireland tomorrow morning, Sunday, Dec 8th while […]

The post A powerful windstorm with major waves will develop over Ireland, SW England, Wales and NW France tomorrow, another windstorm for western North Sea on Monday appeared first on Severe Weather Europe.

North Atlantic is becoming very active again as several very deep cyclones are in development and more of them are scheduled to form in the coming days. One very intense cyclone has developed last night, revealing an impressive structure today on the satellite images. Central pressure has dropped below 970 mbar while the center of […]

The post An impressive deep cyclone develops over the North Atlantic – leads into a powerful windstorm towards western Europe this weekend appeared first on Severe Weather Europe.

Scientists working on the next frontier of weather forecasting are hoping that weather conditions 3-to-4 weeks out will soon be as readily available as seven-day forecasts. Having this type of weather information--called subseasonal forecasts--in the hands of the public and emergency managers can provide the critical lead time necessary to prepare for natural hazards like heat waves or the next polar vortex.

Yet another potentially monster cyclone is developing further in the West Indian Ocean – Tropical cyclone #Belna. System is currently packing maximum sustained winds of 85 knots / 100 mph / 160 km/h with central pressure around 974 mbar and strengthening. Models are in good agreement the potential for further strengthening is there, as Belna […]

The post Cyclone #BELNA is now a Category 2 and steadily organizing, expected to begin its rapid intensification soon and head towards devastating Madagascar landfall appeared first on Severe Weather Europe.

One of the most impressive surprises lately was an unexpected and extremely rapid intensification of the tropical cyclone #Ambali in the West Indian Ocean yesterday. Ambali intensified from only a tropical depression to a violent Category 4+ tropical cyclone (actually borderline strength of Category 5 cyclone – 155 mph winds) in a 24-hour period and […]

The post *UPDATE* on the MONSTER cyclone #AMBALI – peak intensify of 155 mph reached the borderline Category 5 strength this morning appeared first on Severe Weather Europe.