A severe weather system has prompted a ground stop at Phoenix Sky Harbor Airport, one of the busiest airports in the United States. The ground stop, which was issued due to storms in the area, has caused significant disruptions to flight operations, with many flights being delayed or canceled. The storms, which are bringing heavy rain and strong winds to the region, are expected to continue throughout the day, causing further disruptions to air travel. The Federal Aviation Administration (FAA) has issued a ground stop, which means that no flights are allowed to take off or land at the airport until the weather conditions improve. The airport has advised passengers to check with their airlines for the latest information on flight schedules and to plan for possible delays. The severe weather is also causing disruptions to road travel, with many roads in the area being closed due to flooding. The National Weather Service has issued a flash flood warning for the area, warning of heavy rain and strong winds. The storms are also causing power outages, with many homes and businesses being affected. The airport has activated its emergency operations center to coordinate response efforts and to provide assistance to passengers who are affected by the disruptions. The FAA is working closely with the airport and airlines to minimize the impact of the ground stop and to get flights back to normal as soon as possible. The severe weather is also affecting other airports in the region, with many flights being delayed or canceled. The airport is advising passengers to check the status of their flights before heading to the airport and to plan for possible delays. The ground stop is expected to continue until the weather conditions improve, which is expected to be later today. The airport is working to provide updates on the status of the ground stop and to provide assistance to passengers who are affected. The severe weather is a reminder of the importance of checking the weather forecast before traveling and to plan for possible disruptions. The airport is also reminding passengers to follow the instructions of airport staff and to stay safe during the severe weather. The ground stop is a precautionary measure to ensure the safety of passengers and crew, and the airport is working to get flights back to normal as soon as possible. The severe weather is causing significant disruptions to air travel, but the airport is working to minimize the impact and to get flights back to normal. The airport is advising passengers to stay tuned to local news and weather reports for the latest information on the severe weather and to plan accordingly. The ground stop is a reminder of the importance of safety in air travel and the need to take precautions during severe weather. The airport is working to provide updates on the status of the ground stop and to provide assistance to passengers who are affected. The severe weather is expected to continue throughout the day, causing further disruptions to air travel. The airport is advising passengers to plan for possible delays and to check the status of their flights before heading to the airport.