During the week (22-28 March 2018) most areas of the country experienced deficient rainfall except Kerala and Andaman & Nicobar Islands. Last week’s Western Disturbance as an upper cyclonic circulation over adjoining Jammu & Kashmir and other two western disturbances as troughs in mid-tropospheric westerlies moved through the western Himalayan Region, and caused rain/snow at a few places over Jammu & Kashmir, Himachal Pradesh and Uttarakhand on first two days and at one/two places during the next two days of the week. Last week’s western disturbance also caused rainfall at a few places over Haryana and Punjab and at one/two places over Uttar Pradesh during the first two days of the week. After moving east-northeastwards, it also caused rainfall over Sub-Himalayan West Bengal & Sikkim and in northeastern states on many days of the week. Hailstorms occurred at isolated places over Himachal Pradesh & Uttarakhand between 0830 hours IST of 21st and 0830 hours IST of 22nd March. A hailstorm occurred on 22nd at Gangtok from 1615 to 1620 hours and 1650 to 1700 hours I.S.T. and at Tadong from 1700 to 1710 hours I.S.T. with diameters of between 0.3 to 1.0 cm. A Squall passed over Kolkata on 25th at 1950 hours IST from Westerly direction with highest gust 46 kmph and lasted for 1 minute according to a media report (Bartaman Patrika). A hail storm occurred at isolated places over Burdwan district of Gangetic West Bengal on 25th March. During the week thunderstorms occurred at one/two places over Assam & Meghalaya, Jammu & Kasmir and Tamil Nadu & Puducherry on a few days of the week and over Nagaland, Manipur, Mizoram & Tripura, West Bengal & Sikkim, Odisha, Jharkhand, Uttar Pradesh, Uttarakhand, Haryana, Punjab, Himachal Pradesh, Chhattisgarh, North Interior Karnataka and Kerala on one/two days of the week.
Heat Wave conditions prevailed over Saurashtra on 25th, 26th & 27th; over Konkan on 25th & 26th, over Gujarat Region on 26th, over West Rajasthan on 26th, 27th & 28th and over Himachal Pradesh and Uttarakhand on 27th & 28th March 2018 The highest maximum temperature of 43.0°C was recorded at Phalodi (West Rajasthan) in the plains of the country on 28th March 2018.
The cumulative rainfall Sub-Divisionwise for the week (22-28 March 2018) predicted by Multi Model ensemble (MME) shows that normal rainfall would occur over Arunachal Pradesh, Tamil Nadu & Puducherry and Kerala and deficient rainfall would occur over the rest of the country except Rajasthan, Madhya Pradesh and Gujarat. However, Andaman & Nicobar Islands received excess rainfall instead of deficient rainfall. Out of areas with normal rainfall predicted, Kerala has received normal rainfall while the other two areas received deficient rainfall. Overall model has predicted well for 12 out of 36 sub-divisions of the country.
During the week, (22nd to 28th March) rainfall over the country as a whole was 71per cent below the Long Period Average (LPA). During the week, rainfall was excess over Andaman & Nicobar Islands and normal over Kerala, deficient over Arunachal Pradesh, Uttarakhand, Punjab and Himachal Pradesh. The rest Sub-Divisions of the country either received large deficient or no rainfall. Details of the rainfall distribution over the four broad homogeneous regions of India are given below:
Rainfall in the pre-monsoon season period, during 01st-28th March over the country as a whole was 46% below the Long Period Average (LPA). The rainfall was large excess over Konkan & Goa, Rayalaseema, Karnataka, Kerala & Lakshadweep, excess over Tamilnadu & Puducherry; normal over Andaman & Nicobar Islands, Arunachal Pradesh, Assam & Meghalaya, Sub-Himalayan West Bengal & Sikkim; deficient over Uttarakhand, Jammu & Kashmir, Coastal Andhra Pradesh and Telangana; the other sub-divisions received large deficient rainfall except Gujarat which have not received any rainfall.. Out of the four broad homogeneous regions of India South Peninsula received excess rainfall. The details of the rainfall distribution over the four broad homogeneous regions of India are given below:
Rainfall will be below normal over Western Himalayan Region & Northeastern States and it will be slightly below normal over East India. Heavy rain will occur at isolated places over Gangetic West Bengal in second half of the week. Thundersquall accompanied with hail over some parts of east & northeast india
Rainfall will be slightly above normal over some parts of Western Himalayan Region and East & Northeast India and it will be near normal over South Peninsula. Thundersquall accompanied with hail over some parts of East & Northeast India, South Peninsula and Central India.
22 MARCH 2018: WEST UTTAR PRADESH: Mawana (T)-1; UTTARAKHAND: Tehri-3, Tuini- 3, Barkot-2, Dunda-2, Bhatwari-2, Uttarkashi (CWC)-2, Uttarkashi-2, Karnaprayag-1, Tehri (CWC)-1, Pauri-1, Srinagar-1, Devprayag-1, Gairsain-1, Jollygrant-1, Chaukhutia-1, Munsiyari-1.Dehradun-1; PUNJAB: Tibri-3, Salern Aws-3, Gurudaspur-3, Mukerian-2, Shahpur Kandi-2, Ranjit Sagar Dam Site-2, Pathankot Iaf-2, Phangota-2, Madhopur-2, Fatehgarh Sahib Aws-1, Balachaur Aws-1, Khanna-1, Hoshiarpur-1, Malakpur-1, Balachaur-1, Adampur Iaf-1, Samrala-1, Ropar-1; HIMACHAL PRADESH: Kalpa-3, RECKONG PEO-3, BIJAHI-3, GOHAR-3, ROHRU-3, SARAHAN-2, Dharmsala-2, Manali-2, Una-2, BHARMAUR-2, DALHOUSI-2, HAMIRPUR-2, PALAMPUR-2, POOH-1, BAJAURA-1, BHORANJ-1, JANJEHLI-1, UDAIPUR-1, MANDI-1, DEHRA GOPIPUR-1, KANGRA-1, DHARAMPUR-1, KANDAGHAT-1, AMB-1, BANGANA-1, BHARWAIN-1, CHAMBA AWS-1, CHHATRARI-1, KHERI-1, Bhuntar-1, Shimla-1, BERTHIN AGRO-1, BILASPUR AWS-1, JHANDUTTA-1, NAINA DAVI-1, ; JAMMU & KASHMIR: Baderwah-2, RAJAHANI-1, KATHUA-1, SAMBA-1, UDHAMPUR-1; SOUTH INTERIOR KARNATAKA: KR Pet- 2; .KERALA: Kuppady-3, Alappuzha-2, Konni-2, Vythiry-1, Harippad-1, Mancompu-1, Kottayam-1, Kumarakom-1, Vaikom-1.
23 MARCH 2018: ARUNACHAL PRADESH: ITANAGAR-2, DEOMALI-2, MIAO-1; ASSAM & MEGHALAYA: AIE N H XING-5, MANAS N H XING-4, KAJALGAON (AWS)-4, BORKHETRI-2, BEKI RD. BRIDGE-2, BARPETA -2, BARPETA (AWS)-2, KOKRAJHAR-2, KHOWANG-2, NEAMATIGHJAT-1, MARGHERITA-1, BADATIGHAT-1, BIHUBAR-1, BIHPURIA (AWS)-1, SIBSAGAR-1, GOSSAIGAON-1, RANGIA-1, PANBARI-1, TEZPUR-1, PUTHIMARI-1; SUB-HIMALAYAN WEST BENGAL & SIKKIM: Gangtok: 4; Tadong: 3; Mazitar: 2; Khanitar-1, Mangan-1, Namthang-1, Damthang-1, Namchi (AWS)-1, Dentam-1, Yuksom-1; UTTARAKHAND: Mukteshwar-1, Tehri-1; HIMACHAL PRADESH: Reckong Peo-3, Sunni Bhajji-2, Kumarsen-1, Kufri-1; COASTAL ANDHRA PRADESH: Bobbili-1; TAMILNADU & PUDUCHERRY: Tiruppur-5, Valparai taluk office-1, K bridge-1, Coimbatore AWS-1, Hogenekal-1, Uthagamandalam-1; KERALA: Parambikulam-5, Thodupuzha-3, Vythiri-1, Thodupuzha-1.
24 MARCH 2018: ARUNACHAL PRADESH: Tawang-1, Anini-1; ASSAM & MEGHALAYA: Barpeta-2, North Lakhimpur-1,Tinsukia-1, Puthimari-1,Beki Rd. Bridge-1, Beki Mathanguri-1, Aie N H Xing-1, Panbari-1, Kajalgaon-1; SUB-HIMALAYAN WEST BENGAL & SIKKIM: Singlabazar-1, Tadong1; COASTAL ANDHRA PRADESH: Seetharamapuram-2, Udayagiri-1; TAMILNADU & PUDUCHERRY: Kothagiri-3, Coonoor pto-2, Bodinaickanur-2, Kodaikanal-2, Nilakottai-2, Gudalur-2, Uttamapalayam-1, Mettupalayam-1, Coonoor-1, Paramathivelur-1; KERALA: Enamackel-3, Parambikulam-2, Ottappalam-2, Munnar-1, Chittur-1, Mannarkad-1, Pattambi-1, Chalakudy-1, Irinjalkudu-1, Vadakkancherry-1.
25 MARCH 2018: ASSAM & MEGHALAYA: Nalbari-1, Tamulpur-1; GANGETIC WEST BENGAL: Jhargram-1
26 MARCH 2018: ARUNACHAL PRADESH: Along (AWS)-2;. NAGALAND, MANIPUR, MIZORAM & TRIPURA: Kailasahar-1, KHOWAI-1; SUB-HIMALAYAN WEST BENGAL & SIKKIM: Gangtok-1; GANGETIC WEST BENGAL: Panagarh-2, Burdwan-1; COASTAL ANDHRA PRADESH: Chintapalle-1.
27 MARCH 2018: ARUNACHAL PRADESH: Along (AWS)-2; ASSAM & MEGHALAYA: Chaparmukh-2, Barpeta-2, Manas NH Xing-2, Guwahati a/p-1, Goibergaon-1, Aie NH Xing-1, Panbari-1,BP Ghat-1,North Lakhimpur-1, BAGHMARA (AWS)-1, BORKHETRI (AWS)-1; Nagaland ,Manipur, Mizoram & Tripura: AIZWAL-3, Khowai-3, Agartala A/P-2; Kohima-1, Lengpui-1, BISHALGARH-1, PANISAGAR-1, DHARMANAGAR-1; SUB-HIMALAYAN WEST BENGAL & SIKKIM: Gyalsing3; Singlabazar2 Gangtok-1, Tadong-1, Mazitar-1, Namthang-1, Damthang-1, Kalimpong-1, Khanitar1; TAMILNADU & PUDUCHERRY: Kottaram-1; KERALA: Punalur-1.
28 MARCH 2018: Andaman & Nicobar Islands: Port Blair-3; Nagaland ,Manipur, Mizoram & Tripura: Kanchanpur-2, Aizwal-2, Lengpui-1, Udaipur-1; TAMILNADU & PUDUCHERRY: Thenkasi-, Pechiparai-1, Sankarankoil-1; KERALA: Konni-3, Cherthala-2, Kumarakom-2, Kollam-2, Alappuzha-1, Kayamkulam-1, Vaikom-1.