CLIMATIC RISK OF AUTUMN EARLY COOLING THE SITUATION IN THE INTERVAL 23-28 NOVEMBER 2013 – CASE STUDY

Abstract

Although 2013 has been classified as the sixth warmest year in the history (OMM Michel Jarraud), regionally, in the south-west of Romania, the climatic variability was exceptionally, marked by sudden changes from a warm and droughty weather to a cold (even cool) and rainy weather. Climatic alternations were registered in every month of the year. After the warmish and capricious summer, the autumn thermal regime came in the south-west of Romania. The autumn of 2013 was marked by three intense cooling, one in the end of September that continued in the beginning of October and culminated with low temperatures, negative minimum thermal values and intense hoarfrosts, which destroyed the vegetable crops. In November, the high daily air temperature means led to gradual enforcements, and in the end of the month autumn crops were in advanced development stages, and at rape the floral stems and bottoms appeared. Weather intense cooling and the snowfalls registered in the interval 26-28 November 2013 constituted an important climatic risk, because the crops were not prepared for the weather intense cooling. The snow layer reached 22 cm in Caracal in Romanaţi Plain. The paper is useful for specialists, PhD candidates, master graduates and all the people interested in climate evolution.

Keywords

• excess of precipitation
• weather intense cooling
• early snowfalls