MTEOR 311 WEEK 8 SUPPORTING MATERIAL

Week 8 - Case Studies - Practical Forecasting

What do you think happened during the following events?

EVENT 1:

• Sfc Temperature - Time 0
• Sfc Pressure - Time 1
• Sfc Pressure - Time 2
• Sfc Pressure - Time 3
• Sfc Pressure - Time 4
• 500 MB Heights and Vorticity - Time 1
• 500 MB Heights and Vorticity - Time 2
• 500 MB Heights and Vorticity - Time 3
• 500 MB Heights and Vorticity - Time 4
• Precipitation - Time 1
• Precipitation - Time 2
• Precipitation - Time 3
• Precipitation - Time 4

EVENT 2:

• Sfc Temperature- Time 0
• Sfc Pressure - Time 1
• Sfc Pressure - Time 2
• Sfc Pressure - Time 3
• Sfc Pressure - Time 4
• 500 MB Heights and Vorticity - Time 1
• 500 MB Heights and Vorticity - Time 2
• 500 MB Heights and Vorticity - Time 3
• 500 MB Heights and Vorticity - Time 4
• Precipitation - Time 1
• Precipitation - Time 2
• Precipitation - Time 3
• Precipitation - Time 4

In one of the events, a surprise snowstorm clobbered the Omaha-Des Moines corridor with up to 13 inches of wet snow.

On which day do you think Iowa had tornadic thunderstorms?

On which day do you think Birmingham, AL was hit by a strong F4/F5 tornado

See if you can figure out why this storm deepened so explosively.

• Iowa Sfc Plot at 13z Nov 10
• 850 mb Heights and Temperatures - 12 Z Nov 9
• 850 mb Heights and Temperatures - 00 Z Nov 10
• 850 mb Heights and Temperatures - 12 Z Nov 10
• 850 mb Heights and Temperatures - 00 Z Nov 11
• 500 mb Heights and Vorticity - 00 Z Nov 10
• 500 mb Heights and Vorticity - 00 Z Nov 11
• SLP and thickness - 12 Z Nov 9
• SLP and thickness - 00 Z Nov 10
• SLP and thickness - 12 Z Nov 10
• SLP and thickness - 00 Z Nov 11