WASM - A high and unusual humidity wave will continue to affect the atmosphere of the Kingdom until the end of next week, while temperatures remain close to their seasonal averages or slightly below in the western part of the Kingdom, but the high humidity rate compensates for this decrease by creating a much greater feeling of hotter weather than usual.
Temperatures..
Temperatures vary in a rarely occurring manner between the west of the Kingdom and the eastern parts, recording very large temperature differences exceeding 8-9 degrees Celsius between the west and east of the capital Amman, with the western parts registering around 30-31 degrees Celsius and possibly lower in the southwestern parts, while exceeding 37 degrees Celsius in east Amman and 40 degrees Celsius in Zarqa. The reason for this extreme variation is due to the presence of a humid air mass in the western part of the Kingdom and a hot and dry air mass in the eastern part of the Kingdom.
Temperatures remain typical in Aqaba, the Dead Sea, and the Jordan Valley but slightly below, though with high humidity levels most of the time. High humidity contributes to reducing water resource consumption in agricultural sectors.
The humidity wave may be unprecedented in modern climate records..
The high humidity wave over the Kingdom may be unprecedented in modern climate records, meaning the very high amount of water vapor in the atmosphere. A high dew point of up to 25 degrees Celsius was recorded in the west of the capital Amman, and experts at WASM Regional Center believe the figure reached higher than that in the highlands of Salt, Ajloun, and Irbid, which may record a high dew point of up to 26 degrees Celsius.
Dew point is the temperature at which air becomes saturated at 100% humidity, and it is an important indicator for measuring the amount of water vapor in the air. Usually, the Kingdom records under extreme conditions a dew point of only 17-18 degrees Celsius during summer, but recent figures prove sharp changes that occurred in the temperature of Mediterranean seawater.
The cause of the high humidity wave is due to two important factors. First, a significant rise in Mediterranean seawater temperatures to record values reaching 32 degrees Celsius in some areas as a result of strong heat waves that struck the western and central Mediterranean, and the second factor is the occurrence of a sharp and severe thermal inversion, where a hot air mass dominates the lower and middle layers of the atmosphere simultaneously with the dominance of a warm and high-humidity air mass from the Mediterranean in the surface layers, causing warm and moist air to be trapped in the lower layers and a significant increase in atmospheric humidity.
Temperatures will not change much..
High humidity levels cause temperatures not to change noticeably over the coming days. High humidity reduces surface temperatures but increases the feeling of higher temperatures than recorded during the day. Nevertheless, the weather becomes noticeably pleasant during the evening, night, and even early morning hours.
Alert for dense morning fog..
Dense morning fog is expected to continue forming on mountain highlands and parts of the eastern plains over the coming days, with its likelihood increasing significantly at the beginning of next week.
WASM advises avoiding strenuous physical exertion during midday and afternoon hours and increasing fluid and water intake due to heavy perspiration accompanying high humidity waves. High humidity waves may be more dangerous than strong heat waves to public health due to the rapid loss of fluids, but they can be very beneficial to agricultural sectors.
Jordan | High humidity wave continues across the Kingdom until the end of next week
