Weekly Weather |

Weekly Weather Update 10-16 August 2017

    • Heavy rain occurred over Bihar, Sub-Himalayan West Bengal & Sikkim and Assam & Meghalaya during first half of the week causing floods type situation in Bihar, West Bengal and Assam, Photographs of floods in Bihar, Bengal & Assam. Most of the sub-divisions of East & northeast India received excess to large excess rainfall activity during the week. Rainfall in Bihar, Sub-Himalayan west Bengal and Assam was associated with an upper air cyclonic circulation lay over eastern parts of Bihar & neighbourhood and an east-west trough ran from the upper air cyclonic circulation over eastern parts of Bihar to south Assam.
    •  Heavy rains in Nepal and Seemanchal  have caused floods in 4 districts of Bihar viz. Kishanganj, Purnea, Araria and Katihar. 10 August 2017

      ARUNACHAL PRADESH: ROING-26, ASSAM & MEGHALAYA: MAWSYNRAM-33, CHERRAPUNJI(RKM)-24, SHWB & SIKKIM: ALIPURDUAR (CWC)-23, KUMARGRAM-22

      11 August 2017

      ARUNACHAL PRADESH: PASIGHAT AERO-23, ASSAM & MEGHALAYA: CHERRAPUNJI(RKM)-38, CHERRAPUNJI-30, KOKRAJHAR-28, GOSSAIGAON-23, SHWB & SIKKIM: COOCH BEHAR-25

      12 August 2017

      ASSAM & MEGHALAYA: GOSSAIGAON-37, CHERRAPUNJI-28, PANBARI-26, AIE NH XING-24, CHERRAPUNJI(RKM)-22, KOKRAJHAR-22, BEKI MATHUNGARI-21, SHWB & SIKKIM: HASIMARA-48, BUXADUAR-45, BAROBHISHA-44, ALIPURDUAR (CWC)-39, CHEPAN-38, JALPAIGURI-29, NH31 BRIDGE-29, DOMOHANI-25, COOCH BEHAR-23, CHENGMARI/DIANA-23, MURTI-21, BIHAR: BAHADURGANJ-32, TAIBPUR-31, KISHANGANJ-27, GALGALIA-25, FORBESGANJ-25, THAKURGANJ-25.

      13 August 2017 

      ASSAM & MEGHALAYA: CHERRAPUNJI-21, BIHAR: BIRPUR-45, GAUNAHA-37, BAGAHA-37, BAHADURGANJ-36, RAMNAGAR-35, KISHANGANJ-29, TAIBPUR-26, DARBHANGA-25, DHENGRAGHAT-24, THAKURGANJ-23, FORBESGANJ-22, GALGALIA-21.

      14 August 2017 ASSAM & MEGHALAYA: CHERRAPUNJI-25, CHERRAPUNJI (RKM)-25.

                                                  PTI : Narkatia Ganj station  West Champaran, Bihar            

Hindustan Times: (South Dinajpur District of west Bengal)

                                      Army soldiers rescuing people in Nagaon district of Assam on Sunday. (PTI
During the week rainfall country as a whole was 16% below the long period average (LPA). Out of four broad homogeneous regions East & Northeast India has received 96%, South India 1% above the LPA. Details of the rainfall distribution over the four broad homogeneous regions of India are given below:
Regions     Actual    Rainfall (mm) Normal Rainfall (mm) % dep. from LPA
Country as a whole 52.7 62.6 -16%
Northwest India 26.4 53.0 -50%
Central India 26.1 70.9 -63%
South Peninsula 44.6 44.1 1%
East & Northeast India 169.6 86.7 96%
For the country as a whole, cumulative rainfall has been 4% below LPA as on 16 August. Details of the rainfall distribution over the four broad homogeneous regions of India are given below:
Regions Actual Rainfall (mm) Normal Rainfall (mm) % dep. from LPA
Country as a whole 572.4 598.2 -4%
Northwest India 422.6 410.8 3%
Central India 601.9 661.1 -9%
South Peninsula 401.5 477.3 -16%
East & Northeast India 1009.7 975.8 3%
With formation of cyclonic system over northwest Bay of Bengal and its movement in west/west-northwestwards the monsoon will revive in west & central India and south peninsula, whereas, the rainfall over northeastern states and adjoining eastern region of India will decrease.

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