anomaly

an anomaly of up to 15 degrees never seen since 1950

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Right now, as I write this, “there is the possibility that next week’s temperatures will be Record”. That is, “the highest recorded in Spain since 1950” for that date. The American model, without going any further, It is 46 degrees for areas of Portugal and Extremadura. What there is no doubt is that a “very extreme” warm episode is coming with anomalies between 10 and 1 degrees above normal. I repeat because it is difficult to assimilate: between 10 and 15 degrees. At this point in June 2026, the only discussion is whether we will see the first heat wave of the year. A debate that does not focus on the heat we are going to experience (which, except in areas affected by storms, will be a lot), but on how long the extreme event will last. What is going to happen? In principle, as explained Álvaro Oliver“a ridge will spread from the Sahara that will practically reach the polar circle.” The consequence of having a “great subtropical advection, with temperatures at 850 hPa close to 30°C” is that, “on the surface, 40°C will be reached in many points and will be widely exceeded in the valleys.” It is true that “no need to take it for granted maximum temperatures” because there will be convection, cloudiness and “stormy spells that generate intense gusts of wind.” In other words, the warm advection will probably not be as “stable” as the last one and that will be especially noticeable in the western Cantabrian. However, the resulting picture is dramatic. What can we expect? In terms of temperatures (and beyond an unprecedented crisis in the south of France), maximums around or above 35 ºC in the middle of the week even on the Northern Plateau and the possibility of 40 ºC in the interior of the southern half. This, however, refers to the most intense phase of the phenomenon. What worries experts is that many scenarios maintain the warm anomaly throughout the last fortnight. Hence the doubt persists about whether or not there will be a heat wave. To do this, the extreme temperatures have to last three days. Either way, this is real. Whether or not there is a ‘heat wave’ will be a technical question. The important thing is that the signal is there: the heat waves in Spain they doubled their frequency in 2011-2020 compared to each of the previous decades since 1975 and appear earlier and earlier. June 2025 was cool, but we already have the heat knocking on our door here. What does all this imply? Plus the heat is already here. It’s a wake-up call: the first extreme events of the season They are always the most dangerous. Neither our houses, nor our clothes, nor our physiology are completely adapted. And that, in people with health problems (or very exposed to heat) can be a top priority health problem. Image | Tropical Tidbits In Xataka | We have not known for 30 years why there is an area of ​​the Atlantic that cools while the planet burns. Now we have an idea

AEMET has released its prediction for winter and confirms the trend that is no longer an anomaly: a winter “without cold”

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Although we can keep in mind that winter does not begin until next December 21, coinciding with the winter solsticefor meteorology now we have started with the station from today. A season in which we could all expect a great spell of polar cold to be at home with a blanket and watching a series on television. But the AEMET has lowered these forecasts taking into account to what we experienced in previous years. Via a post on X The AEMET has welcomed this new winter 2025-2026, but with bad news behind it: it will be much warmer than usual with a high probability. We are not talking about individual “summer” days, but rather a robust statistical signal that covers the entire quarter (December-January-February). What we used to call an anomaly, the data are beginning to call the norm: winter in Spain is fading. Heat map. AEMET’s seasonal prediction It doesn’t leave much room for doubt. According to probabilistic models, the average temperature will be in the warm zone throughout the country. Specifically, for the AEMET the eastern peninsula and the Balearic Islands have a probability of a much warmer winter that exceeds 70%. In the case of the Canary Islands and the Balearic Islands, this is where the “zero zone” of this warming will be found, with a very pronounced thermal increase with respect to its normal values. In the rest of the peninsula, the probability is around 50%, which continues to be a sign that points to having a winter that is as normal as possible with respect to what we have seen in previous years. The rain. If in terms of temperatures it seems that we are not going to have very good news with a high probability, in terms of precipitation it seems that we must be optimistic. A priori, the models suggest that we will not have an extremely dry winter but nor will it be too wet. And the rainfall seems to be close to the average, although with great variability. Not all months of this winter will rain in the same way, emphasizing especially the second half of winter, that is, the end of January and February, where the models point to the arrival of dynamic phases with fronts and storms. This is something that may fit with studies on the loss of sea ice in the Arctic, which alters atmospheric circulation and may lead to much more “wet or variable” winters in the Iberian Peninsula, breaking the patterns that we saw in our environment. 28 days of “no winter”. To understand why the AEMET is so sure of this forecast, you have to look in the rearview mirror. The most recent reportslike Climate Central, already warned that last winter Spain experienced an average of 28 days with temperatures above the historical average. To do this, experts focus on reducing the days where we have temperatures below zero with a sharp drop in the days where there is frost. Furthermore, cities like Valencia are seeing how urban centers are turning into ovens even in the middle of winter. And it is a serious danger, as the CLIVAR-Spain report warns that this amplification of warming and the alteration of winter variability pose a critical challenge for our ecosystems, which need rest from the winter cold for their biological cycles. Goodbye to the historic cold. What AEMET is telling us with this forecast for 2025-2026 is that the atmosphere in Spain has more and more accumulated energy. Studies by Funcas and analysis by AEMET itself corroborate that the decrease in snow coverage and the increase in warm episodes are not temporary, but in the end they are the reality we face. We are facing a scenario where winters do not disappear, but they do “soften” until they become unrecognizable compared to those of three decades ago. If you have thermal clothing prepared for this year, it is possible that, except for occasional episodes of storms in February, it will stay in the closet. Images | Thomas Holmes Immo Wegmann In Xataka | “Three days of pure cold”: while the world looks at the polar vortex, bad news accumulates for AEMET

A new and “extraordinary” 3I/ATLAS anomaly keeps controversy alive as the comet approaches Earth

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Avi Loeb is back at it. While NASA deploys an unprecedented fleet of cameras and telescopes to observe the third interstellar visitor in history, the Harvard physicist points out an orbital coincidence with Jupiter so precise that, in the absence of explanation, it defies chance. A little context. The solar system has a new guest object and, as it happened with its only two known predecessors‘Oumuamua and 2I/Borisov, has not arrived without controversy. The interstellar comet 3I/ATLAS, discovered in July 2025, is on track to make its closest approach to Earth. For NASA, it is a golden opportunity to study the chemistry of another solar system. For the controversial astrophysicist Avi Loeb, director of the Galileo Project, the orbital data has just revealed an “extraordinary anomaly” that, for the umpteenth timehas been associated with a possible artificial origin. A chance of 1 in 26,000. According to the latest trajectory data from NASA’s JPL, 3I/ATLAS will pass the closest point of its trajectory to Jupiter on March 16, 2026. But what’s surprising is not the approach itself, Loeb says, but the exact distance at which it will occur. If a mother ship wanted to “seed devices” on Jupiter or take advantage of its Lagrangian points to park with a minimum expenditure of fuel, it would have to arrive right at the edge of the so-called Hill Radius, which delimits the sphere of gravitational influence of the gas giant. By the date of the encounter, Jupiter’s Hill Radius will be 53.502 million kilometers. The fact that has raised Loeb’s eyebrows? The minimum approach distance of 3I/ATLAS is 53.445 million kilometers. According to the cosmologistthe probability of an interstellar rock randomly passing with this precision by the edge of Jupiter’s Hill Radius is about 1 in 26,000. Engines or degassing? NASA had already ruled out that the “non-gravitational acceleration” observed in 3I/ATLAS came from artificial engines. 3I/ATLAS It is an active comet. As such, as it approaches the Sun, the heat sublimates the ice in its body, creating jets of gas that act as natural propellants, pushing the rock and altering its orbit. However, Loeb argues that this observed acceleration during perihelion (the closest point to the Sun) was of the exact magnitude needed to correct course toward that precise intersection with Jupiter’s Hill sphere. If it were a technological spacecraft, Loeb argues, those observed “jets” might not be ice sublimating, but thrusters performing a gravity-assist maneuver. We will clear up doubts. The outcome of this story will come in the coming months. On December 19 we will have the comet’s closest approach to Earth, an ideal time for detailed spectroscopic observations. A spectroscopic measurement of the speed and composition of the jets will reveal whether they come from the sublimation of ice packs or from technological propellants. If in March 2026, after passing by Jupiter, we detect new objects orbiting the gas giant that we did not send, the history of humanity could change. If not, we will have had the unique opportunity to closely study a fragment of an alien world, which, as NASA tries to argue, is already extraordinary in its own right. Image | POT In Xataka | NASA has been accused of “kidnapping” the 3I/ATLAS photos for a month and a half: it has had no choice but to publish them

We have found a strange anomaly in the middle of the Pacific. It has caused a radioactive isotope that should not be there

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A group of researchers has found a strange radioactive anomaly at the bottom of the Pacific Ocean. And he has done it twice. The protagonist of the strange finding is a radioactive isotope of Beryllium, beryllium-10 (10be). Something weird happens on the ocean floor. The anomaly corresponds to a high concentration of this isotope in the strata of the seabed, which It has been detected In two points away from the Pacific Ocean, so it could be the indication of a generalized phenomenon. Experts do not know what this anomalous concentration of the isotope has caused, but they have several hypotheses that include astrophysical events or changes in ocean currents. Whatever the causative event, the team responsible for the finding has estimated that this happened about 10 million years ago. Product of a shock. The beryllium-10 is a rare isotope that is formed on our planet when cosmic rays cross our atmosphere and interacts with oxygen and hydrogen in it. The beryllium formed falls on the sea and ends up joining marine sediments. The semi -experience of these nuclei is approximately 1.4 million years old. After this time, half of the nuclei will have declined in Boro. Like others Radionucleids (Unstable forms of an element that decompose releasing radiation by becoming a more stable isotope), this beryllium is very useful in geological dating. Geological calendar. One of the best known radioisotpos is carbon-14 present in organic samples. In addition to the fact that carbon-14 is present only in organic samples, the time fork it gives us is relatively scarce: it can only serve us to date objects of up to 50,000 years old. The 10be, instead it allows us to ride ourselves 10 million years ago. A few surprising samples. The unexpected beryllium was found when studying a geological sample extracted from the bottom of the Pacific Ocean at a depth of several kilometers. The team examined the samples through a mass spectrometry with accelerator to evaluate its beryllium content and date its different strata. What they found was an anomaly in the sediments of about 10 million years ago. They came across that in this area the amount of 10be was double the one who would expect. The team examined several samples to contrast that it was not a contaminated sample. The details of the study were published In an article In the magazine Nature Communications. Different hypotheses. The big question is now what caused this unexpected accumulation of 10be. The team responsible for the finding raises two possible hypotheses to explain this one, one related to marine currents and the second with astronomical events. In Xataka | The calima of the Sahara will deposit radioactive elements on Spain. And yes, science explains it Image | Hzdr / Koll, Lachner, et al. (2025)

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