Information on Rain and Flooding in the Arava region on the 15-16/2/2014.
(by Dr. Amir Givati of the Hydrological Service Department)
This past winter was not standard, as well as the synoptic conditions that brought on the winter system of 15-16/2/14. Usually, precipitation is brought about by the Cyprian low (created because Israel is situated on the eastern end of a sharp upper trough and thus we receive the precipitation that we are used to in the north and center of the country. This year we did not experience even one regular barometric low!
In contrast, on these dates the precipitation occurred as a result of a southern upper trough with cold air (-25 at 500 millibar). Instead of staying in its place and creating a Cyprian low, the trough "descended" to the southern part of the Mediterranean Sea.
The rain began as a "soft rain" at approximately 16:00 on Saturday 15/2, falling until the noon hours of Sunday 16/2. 8-13 millimeters of precipitation fell in the Arava.
Towards evening on Sunday 16/2, when the ground was already soaked with water, a short, strong rain fell causing flooding. In certain places up to 25 millimeters of rain were accumulated!
Rain and snow in the Edom mountains in December 2013.
Snow also in the Eilat Mountains.
Snow fell in the morning hours of Friday 13/12 between 7:00-10:00, covering the Edom Mountains above 800 meters. This has not occurred since the winter of 1992.
Rain and Thunderstorm in May 2014
May 8.2014 was the rainiest day in May in the southern Arava since measuring the temperature in Israel.