Dehradun - recorded 590 mm of rainfall in 48 hrs from 0830 IST of 15th June to 0830 hrs IST of 17 th June.
Onset phase of Monsoon- 2013 has been unprecedentedly vigorous due to which monsoon has rapidly advanced from east Uttar Pradesh to extreme NW-India in 24 hours. Such a rapid movement has not been observed earlier. As per the data available since 1960, the earliest coverage of the monsoon over the entire country during 1961 which was 21st June .The Monsoon-2013 has covered the entire country on 16th June thereby breaking the previous record of earliest onset over NW India . Heavy to very heavy rainfall has occurred at few places over NW-India during the rapid progression of monsoon. Uttarakhand and Himachal Pradesh experienced exceptionally heavy rainfall at one or two places during 15-17th June. Dehradun recorded 590 mm of rainfall in 48 hours from 0830 IST of 15th June to 0830 hrs IST of 17 th June .Heavy to very heavy rain has also been recorded at few places over Punjab, Haryana, Delhi, Uttar Pradesh and Rajasthan during the spell of 15-17th June.
This type of rapid advance of monsoon with vigorous rainfall activity has occurred due to movement of well marked low pressure from NW Bay of Bengal across central India to NW-India during the above mentioned period. The heavy rainfall over NW-India, including Delhi NCR, was due to interaction of this low pressure system with upper level westerly system moving across northern parts of the country around same time.
Taken from IMD
Onset phase of Monsoon- 2013 has been unprecedentedly vigorous due to which monsoon has rapidly advanced from east Uttar Pradesh to extreme NW-India in 24 hours. Such a rapid movement has not been observed earlier. As per the data available since 1960, the earliest coverage of the monsoon over the entire country during 1961 which was 21st June .The Monsoon-2013 has covered the entire country on 16th June thereby breaking the previous record of earliest onset over NW India . Heavy to very heavy rainfall has occurred at few places over NW-India during the rapid progression of monsoon. Uttarakhand and Himachal Pradesh experienced exceptionally heavy rainfall at one or two places during 15-17th June. Dehradun recorded 590 mm of rainfall in 48 hours from 0830 IST of 15th June to 0830 hrs IST of 17 th June .Heavy to very heavy rain has also been recorded at few places over Punjab, Haryana, Delhi, Uttar Pradesh and Rajasthan during the spell of 15-17th June.
This type of rapid advance of monsoon with vigorous rainfall activity has occurred due to movement of well marked low pressure from NW Bay of Bengal across central India to NW-India during the above mentioned period. The heavy rainfall over NW-India, including Delhi NCR, was due to interaction of this low pressure system with upper level westerly system moving across northern parts of the country around same time.
Taken from IMD
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