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*Correct order to river from North to South* *Trick:-* " I am JhaCass Respected BosS " ♟️I : Indus ♟️J : Jehlum ♟️C : Chenab ♟️R : Ravi ♟️B : Beas ♟️S : Satluj

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*🪄Polar Vortex – Winter Storms in USA* *💎 What is Polar Vortex?* ♟️ Large, persistent low-pressure cold air mass over Polar Regions ♟️ Contained by Polar-front Jet Stream (separates cold polar & warm tropical air) *💎 Rotation* ♟️ Counter-clockwise → North Pole ♟️ Clockwise → South Pole *💎 Formation Factors* ♟️ Strong temperature gradient (pole vs tropics) ♟️ Coriolis force (Earth’s rotation) ♟️ Pressure gradient force ♟️ Jet stream interaction *💎 Stability Mechanism* ♟️ Strong vortex → Jet stream tight & circular → Cold air locked near poles ♟️ Weak vortex → Jet stream wavy → Cold air spills south (USA winter storms) *💎 Types* ♟️ Tropospheric PV: 10–15 km (direct weather effects) ♟️ Stratospheric PV: 15–50 km (strongest in winter) *💎 Impacts* ⚠️ Extreme cold waves in mid-latitudes ♟️ Ozone depletion (esp. Antarctic ozone hole) ♟️ Climate link: Arctic amplification → more instability & frequent cold outbreaks *💎 India Angle* ⚠️ No direct impact ♟️ Indirect influence via Western Disturbances pushed by Arctic winds.