scispace - formally typeset
Open AccessJournal ArticleDOI

Climatological analysis of Mediterranean cyclones using ECMWF data

Pinhas Alpert, +2 more
- 01 Jan 1990 - 
- Vol. 42, Iss: 1, pp 65-77
Reads0
Chats0
TLDR
A thoroughly objective method for the definition, selection and tracing of Mediterranean region cyclones is presented in this paper, which is applied to the ECMWF 1982-1987 analyzed datasets to show monthly cyclone frequencies, cyclonic tracks and vertical variation of average relative vorticity.
Abstract
A thoroughly objective method for the definition, selection and tracing of Mediterranean region cyclones is presented. The method is applied to the ECMWF 1982-1987 analyzed datasets to show monthly cyclone frequencies, cyclonic tracks and vertical variation of average relative vorticity. Day-to-night changes and vertical variation of cyclonic frequencies/vorticities indicate the importance of the sea thermal effect in the eastern Mediterranean. In the western Mediterranean and to a lesser extent in the Cyprus region, the lee cyclogenetic effect is very pronounced. Monthly cyclone tracks are presented and they clearly indicate the preferred routes of cyclonic movements. DOI: 10.1034/j.1600-0870.1990.00007.x

read more

Citations
More filters
Journal ArticleDOI

The physics of wind-blown sand and dust

TL;DR: The physics of aeolian saltation, the formation and development of sand dunes and ripples, the physics of dust aerosol emission, the weather phenomena that trigger dust storms, and the lifting of dust by dust devils and other small-scale vortices are reviewed.
Journal ArticleDOI

The physics of wind-blown sand and dust

TL;DR: In this article, an extensive review of the physics of wind-blown sand and dust on Earth and Mars is presented, including a review of aeolian saltation, the formation and development of sand dunes and ripples, dust aerosol emission, weather phenomena that trigger dust storms, and the lifting of dust by dust devils and other small-scale vortices.
Journal ArticleDOI

Control of atmospheric export of dust from North Africa by the North Atlantic Oscillation

TL;DR: In this article, the authors used daily satellite observations of airborne dusts to obtain an 11-year regional-scale analysis of dust transport out of Africa and found that the substantial seasonal variability over the Atlantic Ocean and Mediterranean Sea can be explained by the synoptic meteorology.
Journal ArticleDOI

North African dust emissions and transport

TL;DR: In this article, the authors provide a review of the understanding of dust source regions, the variability of dust emissions, climatic controls of dust entrainment and transport, the role of human impact on dust emission, and recent developments of global and regional dust models.
Book ChapterDOI

The Mediterranean climate: An overview of the main characteristics and issues

TL;DR: The Mediterranean region has many morphologic, geographical, historical, and societal characteristics, which make its climate scientifically interesting as mentioned in this paper, and the concept of Mediterranean climate is characterized by mild wet winters and warm to hot, dry summers.
References
More filters
Journal ArticleDOI

Cyclogenesis in the lee of the Alps: A case study

TL;DR: In this article, a case of deep and rapid cyclogenesis in the lee of the Alps is analyzed by means of cross-sections, isentropic maps and trajectories based on synoptic data, to investigate the three-dimensional structure of the phenomenon and the nature of the processes that are responsible for it.
Journal ArticleDOI

The Sharav Cyclone: Observations and some theoretical considerations

TL;DR: A special study of the Sharav cyclones indicates that they are the result of large-scale weak baroclinicity, enhanced by vigorous boundary-layer barocliicity between the North African coast and the Mediterranean as discussed by the authors.
Journal ArticleDOI

Modal and Non-Modal Baroclinic Waves

TL;DR: In this paper, the initial value problem for the Eady model is solved, and energy extracted from the mean flow during the initial development of a perturbation is found to excite the persistent normal modes.
Journal ArticleDOI

An Early Winter Polar Air Mass Penetration to the Eastern Mediterranean

TL;DR: In this article, a deep polar air-mass penetration to the eastern Mediterranean in November 1982 is described, which contributes to heavy rain in the inland stations, of particular importance in the semiarid zone.
Journal ArticleDOI

Impact of aircraft wind data on ECMWF analyses and forecasts during the FGGE period, 8-19 November 1979

TL;DR: In this article, the results of an observing system experiment, set up to assess the impact of aircraft wind data on ECMWF analyses and forecasts, have been presented, showing that on average an improvement of about 1 m s−1 for both wind components but locally and in individual cases this may be considerably larger.
Related Papers (5)