17. Given the following conditions and a sufficient amount of lift, would you ex

Question

17. Given the following conditions and a sufficient amount of lift, would you expect to experience thunderstorms, supercells, and numerous/strong tornadoes?

CAPE: 6,000 J/kg

Surface Dewpoint: 78°F

0-6 km Vertical Wind Shear: 10 knots

0-3 km Storm Relative Helicity: 50 m2/s2

0-1 km Storm Relative Helicity: 25 m2/s2

A) No thunderstorms, no supercells, and no tornadoes

B) No thunderstorms, no supercells, and (yes) tornadoes

C) No thunderstorms, (yes) supercells, and no tornadoes

D) No thunderstorms, (yes) supercells, and (yes) tornadoes

E) (Yes) thunderstorms, no supercells, and no tornadoes

F) (Yes) thunderstorms, no supercells, and (yes) tornadoes

G) (Yes) thunderstorms, (yes) supercells, and no tornadoes

H) (Yes) thunderstorms, (yes) supercells, and (yes) tornadoes

18. Given the following conditions and a sufficient amount of lift, would you expect to experience thunderstorms, supercells, and numerous/strong tornadoes?

CAPE: 3,000 J/kg

Surface Dewpoint: 66°F

0-6 km Vertical Wind Shear: 50 knots

0-3 km Storm Relative Helicity: 300 m2/s2

0-1 km Storm Relative Helicity: 200 m2/s2

A) No thunderstorms, no supercells, and no tornadoes

B) No thunderstorms, no supercells, and (yes) tornadoes

C) No thunderstorms, (yes) supercells, and no tornadoes

D) No thunderstorms, (yes) supercells, and (yes) tornadoes

E) (Yes) thunderstorms, no supercells, and no tornadoes

F) (Yes) thunderstorms, no supercells, and (yes) tornadoes

G) (Yes) thunderstorms, (yes) supercells, and no tornadoes

H) (Yes) thunderstorms, (yes) supercells, and (yes) tornadoes

Please answer both questions,

Thank you.

Explanation / Answer

17. answer: E reason: storm relative helicity values are below 150 , therefore no supercells and tornadoes. whereas surface dew point is more than 55 degree F, there is a possibility of thunderstorms 18. answer H reason: storm relative helicity values are between 300 and 500, therefore supercells and tornadoes are posssible whereas surface dew point is more than 55 degree F, there is a possibility of thunderstorms

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