Many field campaigns using ground-based radars have been undertaken over the past four decades in the Tropics, and the data collected have been instrumental in improving our physical understanding of the global climate system. Unfortunately, the timescale of the radar observations collected in field campaigns (on the order of a month to several months) is less than the period of many modes of T...

Extreme weather events such as ice storms cause significant damage to life and property. Accurately forecasting ice storms sufficiently in advance to offset their impacts is very challenging because they are driven by atmospheric processes that are complex and not completely defined. Furthermore, such forecasting has to consider the influence of a changing climate on relevant atmospheric variab...

The notion of m-regular system on the Hermitian variety H(n, q2) was introduced by B. Segre (Ann. Math. Pura Appl. 70:1–201, 1965). Here, three infinite families of hemisystems on H(5, q2), q odd, are constructed.

In the last three decades we have experienced the first close-up exploration of the planets of the solar system. American, Russian, and (increasingly) European planetary space missions have now explored the atmospheres and environments of many different worlds, returning data with which we can begin to understand the Earth in its wider context as never before. The new discipline of Comparative ...