What is a disadvantage of using an extended weather forecast to plan an event?

•Extended weather forecasts are not based on scientific evidence.
Extended weather forecasts may not contain data from reputable sources.
• Extended weather forecasts may not accurately predict weather for distant dates.
Extended weather forecasts are not developed using technological tools.

One disadvantage of using an extended weather forecast to plan an event is that they may not accurately predict the weather for distant dates. Weather patterns can change quickly and be unpredictable, so relying on an extended forecast too far in advance may result in inaccurate information and lead to disappointing outcomes for the event. It is always advisable to check the forecast closer to the event date for more accurate and reliable information.