Outline • Two sample days – April 9, 2001: The National Airspace System (NAS) Copes with Stormy Weather – June 14, 2000: Unpredicted Weather Disrupts the NAS
• For each day – Forecast versus actual weather – NAS response
• Severe weather will cause disruptions • Good forecasts help minimize the impact -- but the fundamental science of 2-6 hours forecast of convective weather is limited • Collaboration among users and FAA facilities is the key to managing the impact of weather.