It is a glitch or a blackout.
The sudden drop in air temperature is a stimulus.
A sudden drop in the temperature
A sudden drop in temperature would be a response to a stimulus.
The sudden drop in air temperature is a stimulus.
Sudden change of load Sudden drop of vacuum Sudden drop of Main steam temperature.
BOILER EXPLOSION- Caused by a sudden drop in pressure (failure on the steam side) without acorresponding drop in temperature.
supply shock
response
Cascade
crisis
supply shock
War, lack of intrest, there are many factors that result in a drop in tourism.