The effects of afforestation on the diurnal temperature cycle

Afforestation leads to opposing diurnal temperature cycles at the surface and in the lower atmosphere in summer

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LAERTES-EU: New regional climate model ensemble with high application potential

Size matters: Large data amounts reduce the statistical uncertainty in the analysis of extreme weather phenomena and their impacts.

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  Martin Kohler
Prepared for the future - Meteorological tower obtains new, modern data acquisition

With a new data acquisition concept, the meteorological tower at the CN is well prepared for future tasks.

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September 2020 - Not only in California the vegetation burned

Forest fires reduce the air quality and the yield of solar plants not only in California. In early September, the forest fires on the American West Coast...

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How reliable are long-term weather forecasts following weak polar vortex events?

New insights show that month-ahead temperature forecasts for Europe following sudden stratospheric warmings have to be interpreted with caution.

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Predictability of large thunderstorm systems

The predictability of a large thunderstorm system (Pentecost Monday, 2014) is extremely sensitive to the small changes in the chosen model domain

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 Gabi Zachmann, KIT
Effects of weather on infectious diseases

An international research team with the participation of KIT investigated the connection between weather conditions and influenza waves in the Eastern Mediterranean.

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News from CEDIM: Corona Dashboard and Research Report 2017-2020

How the current corona pandemic is influencing the work of CEDIM - that and much more is presented in the new CEDIM research report

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Aircraft and lidar measurements during the CROSSINN campaign: complex cross-valley flow structure as never seen before

The CROSSINN project investigates the three-dimensional structure of valley flows in a major Alpine valley

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The DACCIWA rain gauge network in southern West Africa

On the usage of high-resolution rain gauges to monitor tropical rainfall and validate satellite-based preipitation products over Ghana.

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Improved Forecast for aviation safety: The mixture does it

The representation of aerosol dynamics improves the forecast of volcanic ash dispersion.

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Klimawandel trotz Corona weiterhin wichtiges Thema

Auch wenn die momentane Krise rund um Covid-19 die Medien und uns alle stark beschäftigt, so geht doch auch der Klimawandel weiter.

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Cloud life cycles and glaciation observed by satellite

The temporal evolution of convective clouds, from initiation via glaciation to dissipation, is inferred using geostationary space-based measurements

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Which are the large-scale processes that influence thunderstorm activity in Europe?

Research on extreme weather events and climate change has made significant steps forward in recent years. However, a better understanding of the influence of large-scale processes on thunderstorm activity is still required.

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 M. Kleber
Performance criteria of wall-building materials under influence of climate change

A technical requirement profile for plasters was developed that actively intervenes in indoor climate by moisture storage and transport capacity.

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Stratospheric impact on cold spell predictability: The 2018 case

The predictability of the 2018 late-winter Eurasian cold spell was increased by stratospheric conditions.In mid-February 2018, there was a change

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nasaNASA
Resolving Sahelian thunderstorms improves weather forecasts for Europe

A more realistic representation of summertime West African thunderstorms results in improved medium-range weather forecasts for the mid-latitudes

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gantner
Convective precipitation using different grid spacing and land-surface representation

Modeled convective precipitation shows lower precipitation amounts using finer horizontal grid spacing and land-surface representation contributes about 20%.

 

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Clouds modify jet stream response to global warming

Climate model simulations indicate strong impact of clouds on the circulation response to global warming and regional climate change

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Sub-hourly GPS assimilation for a better simulation of heavy precipitation

With climate change, an increase in the frequency and intensity of extreme precipitation is expected in the Western Mediterranean (WMed). Simulating this high impact weather remains a challenge

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Subsiding air masses partly responsible for hot spells

KIT climatologists found subsiding parcels of upper level air being reponsible for extreme hot spells rather than hot air being transported from the South.

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Relative impact of aerosol, soil moisture and orography on convection

For the first time, the relative impact of orography, soil moisture and aerosols on precipitation over Germany was analyzed for different weather regimes.

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How to understand better atmosphere’s influence on thunderstorm lifetime?

Ongoing research aims to identify meteorological quantities for the improvement of short-term thunderstorm forecasts in cooperation with DWD.

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Strong increase of heat stress in Germany in the near future

In some regions of Germany, heat stress will increase significantly towards the middle of the century

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Climate change impacts on European olive orchards

Climate change will have a strong impact on southern European olive producing countries

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Volcanic Ash Forecast with ICON-ART

Simulation of ash dispersion after the eruption of Raikoke volcano, one of the strongest eruptions during the last 30 years

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Radarbild_KitcubeMartin Kohler
From Rain to Flood?

HYDREX 2019, Measuring campaign in the Müglitz valley in Saxony is about to be completed. Helmholtz research centres carry out joint measurement campaign on hydrological extremes.

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Local and precise: neural networks in the weather forecast

Scientists from meteorology and mathematics at KIT have jointly developed a new method that corrects errors in weather forecasting on the basis of artificial intelligence.

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Successful start of collaboration between IMK and University of Tsukuba

DAAD joint research project will study the subseasonal predictability of weather regimes in Europe and Asia.

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Two YIN grants for interdisciplinary research

Young investigator group leaders cooperate with mathematicians and energy system modelers.

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Contribution of Mediterranean soil moisture conditions to heat wave intensity in Central Europe

European heat waves, such as those in summer 2003 and 2015, have a high heat-related mortality rate, e.g. 2003: 70,000 deaths

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