Jordan - Statistically | The end of January / 2022 with temperatures cooler than average and a long series of depressions

Arab weather - January ended with temperatures much colder than their average, and the Kingdom was affected by the most air activity since the beginning of the season as a result of a series of depressions, the last of which was snow.

The following is a summary of the weather events that affected the Kingdom during the month of January/2022:

January 9/2022 Moderate Atmospheric Instability:

During that period, the Kingdom was affected by a moderate state of atmospheric instability as a result of a cold air mass and thunderstorms that concentrated in the south and east of the Kingdom, especially the Badia regions. .

January 13-15, 2022, a second-degree depression (normal):

During that period, the Kingdom was affected by a second-degree (normal) air depression, which started from Thursday night / Friday and continued until Saturday, as an air front crossed, the temperature decreased, and the weather was noticeably cold, the winds activated, and rain fell on different regions of the Kingdom, in the form of Snow showers over the peaks of the Sharah Mountains.

January 16, 2022 Class III depression (medium-high efficiency) left behind by a polar air mass

On Sunday, January 16, the Kingdom was affected by a third-degree air depression (medium-high efficiency) and a cold air front crossed from the north of the Kingdom in the morning to the southern regions. Snow fell on the Shara Mountains, and snow fell and accumulated in a rare and limited way in the eastern Badia regions.

January 16-18, 2022 Extremely cold and dry polar air mass:

A polar air mass rushed to the region and was stationed over Iraq from the night of Sunday / Monday until Tuesday, after a wave of heavy rains that plunged temperatures below zero in several areas, and a large-scale ice wave occurred that included the main cities and the Jordan Valley, especially the northern ones, and with the night of Monday / Tuesday the effect of the wind deepened Polarity and temperatures fell further, reaching 3 - in the capital, Amman, and the extremely cold weather continued, with temperatures around below zero Celsius on Tuesday.

19-20 Jan/2022 Category 3 (medium-high-efficiency) depression and very cold polar air mass

From the morning of Wednesday, January 19, the Kingdom was affected by a third-degree air depression (medium-high efficiency), and a cold air front crossed from the northern regions, which quickly spread to the central and southern regions during daylight hours. Showers of rain were sometimes heavy, accompanied by showers of hail, and may be mixed with snow over some areas. Also, snow fell over the mountainous heights of more than 1000 meters in the morning, and the level of precipitation increased for the rest of the day to 1200 meters.

The impact of a cold Siberian air mass that recently rushed into the area deepened, coinciding with the continuation of precipitation on Wednesday/Thursday night, and the level of snowfall decreased, as intermittent showers of snow fell over the mountainous heights of more than 800 meters, including the heights of the north and center, including the heights of the capital, in addition to the southern heights. Snow fell again in the southern and eastern Badia regions.

Rain and snow precipitation decreased after midnight on Wednesday / Thursday, with the exception of the southern highlands, which continued to receive intermittent snow showers until Thursday dawn, coinciding with the deepening effect of the Siberian polar winds, as temperatures fell again below zero degrees Celsius in many parts and ice and freezing formed in large areas

Coinciding with the gusts of brisk westerly winds with strong to severe gusts that touched the 100 km/h barrier over the eastern regions and worked to raise dust and thick dust over the desert areas

January 20-22, 2022 Extremely cold and dry polar air mass

A new polar air mass rushed to the region and was stationed over Iraq. The temperatures plunged below zero in several areas. An ice wave occurred and frost and freezing recurred in large areas, including the main cities and the Jordan Valley, especially the northern ones.

23-24/January/2022 A Category 2 depression associated with a very cold air mass

As of Sunday afternoon, the Kingdom was affected by a second-degree air depression accompanied by a very hot air mass and a cold air front crossed. The high mountainous heights, and the crossing of the air front was completed at night, as the precipitation became less regular.

The effect of the very cold air mass deepened on Monday, and very cold weather prevailed with scattered showers of rain that were mixed with snow over the tops of the high mountain heights, until Monday evening hours, and the depression moved away after that, and the weather returned to stability as it turned to bitterly cold and the formation of frost and freezing.

26-29/January/2022 A Category 4 depression (highly effective) associated with very cold and polar air masses

During that period, the Kingdom was affected by a fourth-degree air depression (highly effective) accompanied by a very cold polar air mass, and it is considered the strongest since the beginning of the season.

An effective polar air front crossed on Wednesday afternoon and evening, causing a significant decrease in degrees and an intensification of wind speed. The mountainous heights of more than 1,000 meters received snow on Wednesday evening, and the snow gradually extended to heights of 800 meters above sea level.

The snow had accumulated rapidly over time and covered many regions of the Kingdom, including different parts of the capital Amman and the main cities, and the snow was thunderstorm sometimes, and heavy rain fell on areas below that height, accompanied by heavy hail showers sometimes.

The Kingdom crossed a new polar air front with the midnight hours of Wednesday/Thursday, with the deepening of the influence of polar winds in all layers of the atmosphere, which means that the Kingdom entered the peak of the influence of the air depression and the level of snowfall decreased and included heights of 700 meters in the north, central and eastern parts of the Kingdom. The snow extended, including the heights Irbid and Zarqa as a result of the snow extending for some time to areas below that height at dawn on Thursday, and the snow was heavy, especially in the central regions and the capital Amman, while heavy rain and hail continued in the low areas.

While the weather was very cold and windy and mostly cloudy in the southern regions, with showers of snow falling from time to time over the mountains, and the wind speed intensified, as the speed of the gusts touched the 100 km/h barrier in the mountainous heights, especially the southern ones.

Most of the regions of the Kingdom with a height of more than 700 meters were white on Thursday morning, and the accumulation increased with the increase in altitude. That was rain or snow, and the remnants of the wet currents continued on Saturday, and rain fell at intervals until the evening hours.

It is noteworthy that the capital Amman recorded good snow thicknesses on Thursday morning. The highest was in the west and south of the capital at 25-35 cm, while the north of the capital Amman recorded a snow thickness of 20-30 cm, while the east of the capital recorded a snow accumulation of about 10-20 cm, and behind the depression behind it Many closed roads and stuck cars, and the snow also broke down a large number of trees and fell electricity poles, causing the power to be cut off. A large-scale formation of freezing and ice followed.

January 31/2022 A weak case of atmospheric instability

With the last days of the month, the Kingdom was affected by a weak state of atmospheric instability. Random showers of rain that were mixed with snow or in the form of light snow fell on the southern mountain heights.

Number of depressions by degree:

• First Class (Poor): 0
• Second degree (ordinary): 2
• Third degree (medium-high): 2
• Class 4 (high potency): 1
• Class 5 (exceptional storm): 0

Total cases: 5

Number of cases of atmospheric instability by severity:

• Weak: 1
• Weak - Medium : 0
• Medium: 1
• Medium - Strong: 0
• strong: 0

Total cases: 2

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