The official news agency Petra said that rescue work continues to remove the 43 students and teachers who were on the bus in the area of the hot springs of Al Zahra, between Wadi Mujib and Wadi Zerka, on the shores of the Dead Sea, Efe reported.
In April, 10 Israeli students were killed in a flash flood while on a hiking trip near the Dead Sea.
Israel's military said it also dispatched helicopters carrying a rescue team. Some of those rescued are in a serious condition.
"It swept away the students for 4 to 5 kilometres, " some as far as the Dead Sea, he said.
A witness said a bus with 37 schoolchildren and seven teachers had been on a trip to the resort area when the raging flood waters swept them into a valley.
Thirteen people escaped the flooding without injuries, with some holding on to rocks to survive.
Thirty-four people were saved in a major operation involving police helicopters and hundreds of army troops, police chief Brig.
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The Jordan Meteorological Department (JMD) announced on Monday that a depression and a relatively cold air mass were expected to affect the country as of Thursday, head of the JMD's weather forcasting said on Thursday.
The flooding occurred after heavy rainfall, the first such rains after the end of the summer season.
Prime Minister Omar Razza helped with the rescue operation, according to the Jordan Times.
A general view shows the location of the accident where people were killed in a flash flood near the Dead Sea, Jordan, on October 25, 2018.
Jordanian rescuers searching the Dead Sea area for survivors of flash floods found the body of a 12-year-old girl on Friday, raising the death toll in the tragedy to 19.
King Abdullah II cancelled his scheduled trip to Bahrain following news of the flooding, and in a later tweet thanked surrounding Arab nations, including Egypt and Saudi Arabia for its condolences.
Jordan's Dead Sea area has been hit by deadly flash flooding.