العواصف الرعدية وأحوال الطقس المصاحبة في المنطقة الوسطى من المملكة العربية السعودية: دراسة مناخية

Abstract EN

Thunderstorms are one of the most significant weather events, defined as the parts of warm humid air which was forced to rise and formate cumulus enormous pull clouds making up lightning and thunder in permission of Allah.

Thunderstorms might accompanied by several dangerous phenomena Calceol sweeping, high winds and lightning.

Within the thunderstorm there is extensive air movement occurring that result in a number of weather factors like weather distractions caused by air currents lift.

The study of thunderstorms and the conditions associated with the weather in the central region of Saudi Arabia is climatic study of great importance, Thunderstorms can be predictable by identifying the weather conditions associated with the the thunderstorm, air temperature, barometric pressure, water evaporation pressure and wind speed.

Riyadh, Qassim, Hail and Wadi alDawasir has witnessed over the years many of the thunderstorms accompanied by heavy rain, which had a negative impact on humans and the surrounding environment.

The problem is studying thunderstorms in the central region, frequency and associated weather conditions have to be classified according to level classification.

To process the study area data for the period between 2001 and 2015.

Quantitative methods and statistics and necessary photographs have been used to conduct the research as required by the study of descriptive statistics and analysis of variance and meta-analysis.

The study came to several conclusions, including.

*Riyadh witnessed during the study period, 98 thunderstorm of different types, 87% of which are thunderstorms accompanied by mild or moderate rain, and Wadi Aldawasir 70 thunderstorm of different types.

*Qassim suffered 143 thunderstorm of different types, 81% of which are thunderstorms accompanied by mild or moderate rainfall reaching 116 storm, and the rest ranging from powerful thunderstorms without hail with rain and snow to thunderstorms coupled with blowing dirt.

*Hail witnessed 150 thunderstorm of different types, 83% of which are thunderstorms mild or moderate, accompanied by rain reaching 124 storm, and the rest are ranging from powerful thunderstorms, without hail with rain and snow to thunderstorms coupled with blowing dirt.