This is a classic “North Freezes, South Drenches” setup, but the key story is the cold sweeping across the plains, even without rain.
Here are the field notes on the rapidly shifting weather conditions, driven by the weak but impactful Cyclone Ditwah remnants and the onset of harsh winter:
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North Freezes, South Drenches: Cyclone Ditwah Impact Felt in Red Alerts and Cold Waves
The weather is splitting the country in two. Up north, the cold has officially arrived, locking down Delhi-NCR and the entire North India under a blanket of fog. Down south, the remnants of Cyclone Ditwah are still dumping heavy rain and triggering red alerts.
Cyclone Ditwah: Weakened, But Dangerous
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The Status: Cyclone Ditwah has weakened into a deep depression, but its residual power is still hitting the south hard.
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The Damage Zone (South): Heavy rainfall is expected in Tamil Nadu. The IMD had to issue a Red Alert for the coastal districts of Tiruvallur, Chennai, Kanchipuram, and Chengalpattu. Schools are closed. This system is moving slowly southwestward near the coasts of northern Tamil Nadu and southern Andhra Pradesh, and that slow movement means prolonged rain.
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The Domino Effect (Delhi-NCR): The good news is no rain is expected in Delhi-NCR. The thing is, the meteorological setup that pushes this cyclone south also draws in icy winds from the north. The chill is going to increase here, and temperatures are predicted to drop sharply—we’re talking minimums hitting single digits.
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The North India Chill
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Fog Lockdown: Delhi-NCR and the rest of North India woke up to thick, shallow morning fog. The cold has definitely taken its toll.
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The Plains: Uttar Pradesh and Bihar are seeing a significant weather change. While the day clears up, Bihar is setting records for early-season cold. Dense fog is expected to cover 23 districts in Bihar, with visibility already dropping to just 500 meters in some areas. Temperatures are expected to fall even further through the coming days.
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The Mountains: The pleasant weather in Uttarakhand is about to end for tourists. Snowfall is expected in some mountainous areas starting tomorrow, December 4th. The IMD is also forecasting light rain in Uttarkashi, Chamoli, and Pithoragarh.
The Current Outlook
Expect this weather pattern—heavy rain in the south, cold and fog in the north—to hold until at least December 5th. This is the new December reality.
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