The amounts of rain that have fallen since the beginning of the season significantly exceed the average and even fall by 2 or more – says the director of the climate department at the Meteorological Service in Beit Dagan, Dr. Amos Porat, in a report on the rainy system in the last three days.
Heavy rains in Kibbutz HaGoshrim. Photo: Haim Chablin / Spokeswoman for the kibbutz movement
“In recent days, a significant rain event has hit our area. The focus of the rain was in the western Jezreel Valley, where it fell 200-150 mm and more and broke rain records for one day and two days,” Dr. Porat notes in the special summary report – “It was The fourth rain event of this magnitude since the beginning of the season. There were three significant incidents in November and some of them also broke daily rain records. “
The rain event began on the 14th of the month in the afternoon, with the passage of a cold front that brought down local showers and isolated thunderstorms, first in the southern Negev and the Arava and later in the east of the country.
Dr. Porat noted that measurements made at the Meteorological Service stations show that in the west of the Jezreel Valley, 200-150 mm or more fell in the latter system. Significant amounts of 130-80 mm fell in the northern coastal plain and the Western Galilee, and at some stations yesterday (Wednesday) fell about 40 mm and more in one hour.
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In Carmel, the Sharon, the southern coastal plain, the Galilee and the northern Golan Heights, 130-80 mm fell, while the rains in the southern coastal plain were mostly concentrated yesterday (112 mm in Zikim and Erez). In the central coastal plain, 80-50 mm, mm fell, in the Hula Valley, in the Sea of Galilee and in the southern Golan, 70-40 mm, and in Samaria and Judea 60-30 mm.
The amounts of rain decreased sharply in the south, with 20-15 mm in the southern Gaza Strip. However, unlike the systems of November, the rain also reached more southern parts of the country, with 15-10 mm in the northern Negev and northern Arava and five to eight mm In the center and south of the Negev.
In the west of the Jezreel Valley, records of daily rain and two-day rain were set. On the rainy day of December 15, 116 mm were measured in Neve Yaar, 112 mm in Ramat David and 110 mm in Kfar Yehoshua.
In Ramat David, a daily record was set at this old station that has been operating since 1936 (the previous record, 108 mm, was in December 1991). December 25, 2019). At these stations, the record for a two-day quantity was also broken – on December 15 and 16, 184 mm fell in Neve Yaar and 170 mm in Ramat David and Kfar Yehoshua.
In Neve Yaar, this is a quantity that breaks the record of 159 mm from 1964 and in Ramat David the record of 161 mm from 2010. In Kfar Yehoshua there were 3 more cases in which large quantities were measured, both at the daily level and at the two-day level.
In the southern coastal plain, too, there were exceptional daily quantities with 112 mm of pikeperch and cedar. In the pikeperch, where measurements have been available for more than 70 years, the record of 105 mm from 2001 was broken. A larger amount (115 mm) was measured in Erez in December 2013.
The amounts of rain since the beginning of the season exceed the average considerably in the north of the country and on the coastal plain. In the coastal plain and west of the Jezreel Valley, the quantities since the beginning of the season are close to 2 times and even more than the average for the corresponding period and in the number of points even 2.5 times. In this area, more than half of the average amount for the entire rainy season has already dropped, in some stations more than 60% and in the Nahariya area even more than 70%.
In the northern mountains the cumulative amounts since the beginning of the season are 180% -150% of the average. In Samaria and Gush Etzion 130% -110% and in the Judean mountains the cumulative amounts are close to average.