Heat stress in the southern Golan, eastern Lower Galilee, Hula Valley, Jezreel Valley, Carmel Coast, Zevulun Valley, central and southern coastal plain, Shephelah, northeastern Samaria, northern Judean Desert and Dead Sea, eastern Negev, southern Negev and Eilat Mountains, and the Gulf of Eilat and southern Arava on 18/08 from 11:00 to 22:00