Ukrainian officials have confirmed that conditions for receiving Russian aid in the east of the country have been set.
Security council spokesman Andriy Lysenko said a huge convoy of food and medicine should pass through a government-controlled border post and be accompanied by Red Cross officials.
There are Western concerns that Russia is using humanitarian assistance as a pretext to invade eastern Ukraine.
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Northern and eastern areas will see a touch of frost at first, but most places will see sunshine.
The prince will meet the country's indigenous people on the penultimate day of his tour of the West Indies.
The University of Colorado said it is also terminating Dr Michelle Herren's non-paid medical faculty appointment.