El Chichón cloud over central Europe

El Chichón volcano , April 4 , 1982 : volcanic cloud history and fine ash fallout

This retrospective study focuses on the fine silicate particles (\62 lm in diameter) produced in a large eruption that was otherwise well studied. Fine particles represent a potential hazard to aircraft, because as simple particles they have very low terminal velocities and could potentially stay aloft for weeks. New data were collected to describe the fine particle size distributions of distal...

Weekly periodicities of AOT over Central Europe

An episode of extremely high PM concentrations over Central Europe

An episode of extremely high PM concentrations over Central Europe caused by dust emitted over the southern Ukraine W. Birmili, K. Schepanski, A. Ansmann, G. Spindler, I. Tegen, B. Wehner, A. Nowak, E. Reimer, I. Mattis, K. Müller, E. Brüggemann, T. Gnauk, H. Herrmann, A. Wiedensohler, D. Althausen, A. Schladitz, T. Tuch, and G. Löschau Leibniz Institute for Tropospheric Research, Leipzig, Germ...

Probabilistic high-resolution forecast of heavy precipitation over Central Europe

Abstract. The limited-area ensemble prediction system COSMO-LEPS has been running operationally at ECMWF since November 2002. Five runs of the non-hydrostatic limited-area model Lokal Modell (LM) are available every day, nested on five selected members of three consecutive 12-h lagged ECMWF global ensembles. The limited-area ensemble forecasts range up to 120 h and LM-based probabilistic produc...

LTL over EL Axioms