Thunderstorm Risk 13th April 2009

The document provides a forecast of thunderstorm risk levels for April 13-17, 2009. It shows that thunderstorm risk is expected to be moderate (40-50%) on the 13th, low-moderate (30-40%) on the 14th, low-moderate to moderate (30-50%) on the 15th, moderate-high (60-70%) on the 16th, and high-very high (80-90%) on the 17th based on a weather model run on April 11, 2009.