
Forecast valid until the morning of December 24. Rain/Thundershowers.
East: Isolated places in Arunachal Pradesh, Assam and Meghalaya, Gangetic West Bengal, Bihar;mainly dry in Nagaland, Manipur, Mizoram and Tripura, Sub-Himalayan West Bengal and Sikkim, Orissa, Jharkhand.
North: Isolated places in Uttarakhand, Himachal Pradesh, Jammu and Kashmir; mainly dry in Uttar Pradesh, Haryana, Punjab, Rajasthan.
Central: Mainly dry
Peninsula: Mainly dry.
Islands: Mainly dry.
Temperatures recorded in four metropolitan centers were:
Kolkata Max 21 (-6) dc Min 15 (+1) dc
New Chennai Max 30 (+2) dc Min 21 (N) dc Mumbai Max 31 (N) dc Min 21 (+1) dc The trough of low at sea level over southwest Bay of Bengal off Sri Lanka-Tamil Nadu coasts persists. The trough from west Arunachal Pradesh to Bangladesh now runs from Arunachal Pradesh to Bangladesh across Assam and Meghalaya and extends upto 3.6 kms a.s.l. The western disturbance as an upper air system over Jammu and Kashmir and neighbourhood has moved away northeastwards. The other western disturbance over north Pakistan and neighbourhood persists. The trough in mid and upper tropospheric westerlies with its axis at 9.5 km a.s.l. now runs roughly along Long 68 deg East to the north of Lat 15 deg North. The above two systems are likely to move eastnortheastwards. The trough of low at sea level over southwest Arabian sea and neighbourhood has become less marked.


