Thunderstorm Risk 13th-17th April 2009

1. Thunderstorm Risk for the Coming Week... (13th-17th April 2009)
Using the GFS 12Z on 11th April 2009
Thunderstorm Risk Key
Very Low- 10%-20% Chance
Low- 20%-30% Chance
Low-Moderate- 30-40% Chance
Moderate- 40-50% Chance
10-20% Moderate- 50-60% Chance
10-20% Moderate-High- 60-70%
20-30%
High- 70-80% Chance
20-30%
30-40% High-Very High- 80-90% Chance
50% Very High- 90-100% Chance