United Nations undersecretary-general for humanitarian affairs and emergency relief coordinator, Mark Lowcock, who approved the allocation on Friday, said there must be reduction both in fighting on the ground and airstrikes, which have greatly intensified in recent weeks. He said the situation has been made worse by recent increases in fighting and airstrikes.
He also stressed the need to have all ports open without interruption so that humanitarian supplies can be shipped into Yemen.
Earlier Friday, Yemeni Deputy Prime Minister and Foreign Minister Abdulmalik Al-Mekhlafi said the rebels in Yemen must immediately stop all crimes committed against politicians and civilians.
In November past year, the Houthis targeted the Saudi capital, Riyadh, with a ballistic missile that was intercepted by Saudi air defenses.
Yemeni troops are continuing to advance towards Al Hays in the coastal province of Hodeida, heavily backed by Arab Coalition forces led by Saudi Arabia.
Saudi Arabia has accused Iran of backing the Houthis.
A statement carried by the Saudi state news agency SPA said the warplane "crashed due to a technical fault while conducting military operations".
Two days before Saleh was killed by the rebels, the overthrown president publicly broke ties with his former allies and expressed his openness for talks with the Saudi-led coalition battling the Houthis since 2015. Tehran denies arming Yemen's rebels in the war with Saudi Arabia.
The almost three years into Yemen's civil war have killed over 10,000 Yemenis, mostly children, and displaced 3 million others, creating one of the world's worst humanitarian crises.