81.   When the radio receives a storm warning signal, it activates a flashing light, an electric alarm or turns on the audio weather band channel.

82.   When the director of the FBI, Robert S. Mueller III, acknowledged on Wednesday that the agency had missed warning signals on terrorism, he stunned many Americans.

83.   While the PPI does bear watching, there are other warning signals that are certainly better predicters of inflation.

84.   With nationwide teacher shortages, states face pressure to provide credentials to teachers swiftly and may overlook warning signals on employment records.

85.   Plans for communications towers among the towering pines of the Adirondacks are being made this year at a rate that is sending warning signals to environmentalists.

86.   Police said the rail crossing was marked by warning signals to indicate when trains were approaching.

87.   A good control system with early warning signals can allow a company to anticipate problems and take the preventive measures necessary to ensuring its goals are achieved.

88.   According to CTK, the crossing did not have warning light signals.

89.   After two warning signals, the chopper lowered its altitude and continued to fly north, it said.

90.   And did these set off warning signals in his mind?