Arab Weather - Meteorologists at the Arab Weather Regional Center reported that the latest computer simulation results indicate that seven Arab countries will be affected by a state of atmospheric instability on Sunday, May 4, 2025, with varying intensity from one country to another. This is due to the convergence of a cold air mass in the upper atmosphere with a surface extension of a warmer air mass, leading to the proliferation of cumulonimbus clouds and the fall of thunderstorms in several regions.
The unstable weather conditions affect seven Arab countries, making them regional. These countries include the Levant and Egypt, as well as limited areas from Saudi Arabia to Iraq, particularly in the north. They are accompanied by weather phenomena that vary in their scope from one region to another. One region may experience all the weather phenomena, while another experiences only two or three. These weather phenomena include:
Rain showers: Thunderstorms are expected, with the possibility of heavy rain in some areas.
Thunderstorms: Rain will be accompanied by thunderstorms and lightning.
Hail: Hail showers are possible in some areas, and they may be heavy and large.
Sudden strong winds : Strong winds are expected during thunderstorms, causing dust storms.
Rising water levels: Water levels in valleys are likely to rise, increasing the risk of flash floods.
Dust storms: caused by sudden, strong winds.
Poor Visibility: Dust caused by winds may cause poor visibility in some areas.
Experts at Arab Weather pointed out that the atmospheric instability affecting the region is characterized by random rainfall, meaning there are likely to be significant variations in the location and intensity of rainfall within small geographic areas. This variation is a risk factor, as it leads to significant valley flow and the formation of torrents that move from one place to another without the need for rainfall in that area. These conditions are also characterized by rapid weather changes in short periods of time.
Unstable weather conditions can become dangerous in some areas due to flash floods caused by heavy rainfall in narrow areas over a short period of time. This is particularly true in rocky or mountainous areas, where rainwater collects from the top into valleys. Previous dry seasons also increase the likelihood of flash floods, as the water cannot find channels to absorb it underground, causing water to accumulate on the surface and quickly flow into valleys. Therefore, it is advisable to monitor flood paths and avoid valleys and low-lying areas when unstable weather conditions or low-pressure systems are present.
And God knows best.
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