Severe Weather Warning India Meteorological Department has issued severe weather warning for 5th and 6th December as below: ? Heavy to very heavy rain very likely at a few places with extremely heavy falls at isolated places over Nicobar Islands and heavy at isolated places over Andaman Islands. ? Fishermen have been advised not to venture into the sea around Nicobar Islands. ? Squally wind speed reaching 25?35 kmph gusting 45 kmph and wind speed very likely to increase 40?50 kmph gusting 60 kmph by tonight around Nicobar Islands. ? Dense fog very likely at isolated places over Uttar Pradesh, Madhya Pradesh, Bihar, north Chhattisgarh and Nagaland, Manipur, Mizoram & Tripura. ? Sea condition very likely to be rough to very rough along and off shore.