Monsoon Climatology

Mascarene high is found over

• NH over north Indian Ocean

• SH over south Indian Ocean

• NH over Pacific Ocean

• SH over Atlantic Ocean

Normal position of mascarine high is about

• $30^{\degree}S-50^{\degree}S$

• $30^{\degree}N-50^{\degree}N$

• $30^{\degree}S-50^{\degree}W$

• $30^{\degree}S-50^{\degree}E$

Low level jet is a

• Easterly jet with a core speed of 50 kts at 700 hPa.

• Westerly jet with a core speed of 50 kts at 850 hPa.

• Either easterly or westerly jet with a core speed of 50 kts.

• Northerly jet at a core speed of 50 kts at 800 hPa.

Orography influences low level jet. State whether the statement is true or false.

• True

• False

• Either true or false

• Neither true nor false.

Tropical easterly jet is found over

• 100-300 hPa at 10-15⁰N

• 100-200 hPa at 10⁰N

• 100-500 hPa at 15⁰N

• 100 hPa at 10-20⁰N

Tibetan plateau acts as a high-level heat source because of

• Its elevation and width

• Presence of cyclone

• Presence of W.D.

• Monsoon winds

W.D. causes the extension of monsoon rainfall over Punjab & Kashmir. State whether the statement is true or false.

• False

• True

• Either true or false

• Neither true nor false

Development of off-shore trough leads to

• Break monsoon conditions over west coast of India

• Active monsoon conditions over east coast of India

• Active-vigorous monsoon conditions over west coast of India

• Active-vigorous monsoon conditions over east coast of India

Off-shore vortex extend up to

• 1 km

• 0.9-1 km

• 0.9-1.5 km

• 1-2 km

Mid tropospheric cyclones are warm core systems

• Up to 600 hPa

• After 600 hPa

• Up to 100 hPa

• After 100 hPa