NOVEMBER 13, 2013 Lab 9. Meteograms A time display of weather information for a single observing site.

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Presentation transcript:

NOVEMBER 13, 2013 Lab 9

Meteograms A time display of weather information for a single observing site

Temperature 21Z? __ Dew Point 6Z? __ Wind Direction 8Z?__ Pressure 03Z? __ 23°F 6°F W 1032mb

(20 POINTS!) Laboratory Exercise a & b (20 POINTS!) (Using Figure 15.40b)

Map of U.S.

Tornadoes – Suction Vortices Some of the most violent tornadoes contain smaller whirls that orbit around the center of the parent tornado, guided by the parent’s counterclockwise spin - Multi-Vortex Tornadoes. Suction Vortices – smaller, whirling offspring within a larger tornado Cycloid – looping damage path caused by a suction vortex

Tornadoes – Suction Vortices Source: wxbrad

Tornadoes – Suction Vortices Calculating maximum wind speed of multi-vortex tornado  Rotational winds = 90 mph  Moving North at 10 mph  Suction Vortex wind speed = 35 mph Maximum wind speed = ( ) mph = 135 mph

Enhanced Fujita Scale Source: weather.com

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Lab 9 Assignment a, b, c 14.3 a, b a, b (use fig b for part b) (20 points!) 15.1 a, d (see p. 662) 15.5 a, b, c 15.6 Dillon’s OFFICE HOURS Thursday; 6ish-7:30; 6 th floor Walker; too! Ask Paul or Matt if unsure of theirs!