Meteorology
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Regulations#1. Rainfall in the tropics is more in the
Tropical regions receive a significant amount of direct solar energy, leading to higher evaporation rates compared to higher latitudes. This warm, moist air rises, condenses into clouds and thunderstorms, and eventually returns to Earth as precipitation. As a result, tropical regions typically experience more precipitation during the summer months, especially in the afternoon when temperatures peak.
#2. Over J&K and western Himalayas Rainfall is more in
Frequent western disturbances in winter are a major cause of rainfall.
#3. Showery precipitation occurs from
#4. Sleet is a mixture of
#5. Rainfall in the temperate latitudes is more in
In temperate latitudes, clouds often form due to convergence caused by depressions, which are frequent during winter months.
#6. A day is called Rainy day when rainfall in 24 hr is ______ mm or more
#7. A sudden rise in the level of rivers or streams causing floods is called
#8. Rain shadow area is on the _____ of the mountain range.
#9. Artificial rain making is also termed as
#10. Coalescence Theory explains occurrence of rainfall from the
As cloud droplets collide with each other millions of times, they sometimes merge (or coalesce) to form larger droplets. These larger droplets fall at a faster rate (due to their higher terminal velocity) and collide with smaller droplets along their path.
#11. Fog can be dispersed for short period by artificial stimulation
Fog dispersal involves artificially dissipating fog, typically through seeding or heating. This is commonly done at airports to improve visibility. Various methods have been used to clear fog above freezing temperatures, including:
Seeding: Introducing salt particles into the fog.
Downwash mixing: Using helicopter rotors to force dry air downward into the fog layer.
Heating: Using burners to warm the air near landing strips.
#12. Ice crystal Theory explains occurrence of rainfall from the
The Wegener-Bergeron-Findeisen process is an ice crystal growth process that occurs in mixed-phase clouds (containing supercooled water and ice). In these clouds, the ambient vapor pressure falls between the saturation vapor pressure over water and the lower saturation vapor pressure over ice. This
creates a subsaturated environment for liquid water but a supersaturated environment for ice, causing rapid evaporation of liquid water and rapid ice crystal growth through vapor
#13. The clouds whose tops do not extend to the freezing level are called
#14. When supercooled water drops and ice particles co-exist the ice crystals grow at the expense of the water drops because
Saturation vapor pressure is the pressure exerted by water vapor in equilibrium with liquid water. In clouds, ice and supercooled water often coexist. Water vapor has a higher saturation vapor pressure than ice, causing water droplets to evaporate and sublimate (turn directly from ice to water vapor) and then recondense as ice crystals.
#15. Very heavy precipitation as showers over a short period is called
#16. Giant Nucleus Theory explains occurrence of rainfall over
In maritime areas, clouds with less vertical development can produce rain due to the presence of numerous salt particles from sea spray. These salt particles absorb water vapor, forming larger water droplets and initiating the coalescence process.
#17. Rainfall in the tropics is more in
Tropical regions receive a significant amount of direct solar energy, leading to higher evaporation rates compared to higher latitudes. This warm, moist air rises, condenses into clouds and thunderstorms, and eventually returns to Earth as precipitation. As a result, tropical regions typically experience more precipitation during the summer months.
#18. Areas to the _____ of western Ghats of India are rain shadow areas
The eastern side of the Sahyadri ranges, including parts of North Karnataka, Solapur, Beed, Osmanabad, the Vidharba Plateau, and the eastern sides of Kerala and western Tamil Nadu, are located on the Deccan Plateau.
#19. Rainfall over coastal areas is more in the
Land breezes, which are warm coastal winds that meet cooler land winds, can sometimes cause precipitation, especially in coastal regions.
#20. The cloud whose tops extend well above the freezing level are called
Warm clouds typically form in the lower troposphere where ice plays a minimal role in their microphysics. The formation of warm clouds relies primarily on condensation to activate aerosol particles and initiate the growth of liquid droplets.
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