A method and apparatus for wirelessly transmitting data to be utilized at an incident area. A server computer defines a prioritized list of data items to be transmitted to a plurality of portable electronic devices for use at the incident area. The server computer predicts a first amount of data that can be wirelessly transferred to a first electronic device before loss of reliable wireless connectivity with the first electronic device and automatically selects a first data item for transmission to the first electronic device. The server computer then transmits the first data item to the first electronic device to be shared with at least one other portable electronic device of the plurality of electronic devices upon arrival of the first electronic device at the incident area.