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The ioré (Jewish: יורה) is the first rain that falls in autumn in Israel, usually between October and November, and is emblematic for Judaism as an announcer of the arrival of the cold and rainy season. This weather phenomenon, irrelevant for other climatic types rich in rainfall throughout the year, is the distinctive feature of the Middle Eastern climate characterized by arid rain summers.

By meteorological definition, ioré is the first precipitation generated by a frontal depression after the summer season, which lasts on average from June to September. This is because during the summer, even if very rarely, weak rainfall due to the “Persian saturation” connected to the low “nepalese” pressure of a thermal nature, stating in the summer months.

In autumn instead, in addition to the low pressure precipitations of frontal type are possible also torrential but limited rains caused by the activity of the “Red Sea salt”, also connected to a low thermal pressure.

In the attached map is visible the “low Cypriot” centered little north of Cyprus that brought winter rainfall in Israel, established as the ioré of that season.

Etymology
The word is mentioned in the Hebrew bible in Deuteronomy: "I will give to your country the rain at its time: the autumn rain [in Hebrew: ioré] and spring [in Hebrew: malkòsh = the last rain of the season]" (Deuteronomy 11:14).

Meteorology
Israel