 Appallingly bad weather, cold with heavy rain and hailstorms, combined with fear that if the Crusader army besieged Jerusalem, it might be trapped by a relieving force, led to the decision to retreat back to the coast.Richard called on Conrad to join him on campaign, but he refused, citing Richard's alliance with King Guy.He too had been negotiating with Saladin as a defence against any attempt by Richard to wrest Tyre from him for Guy.