2.5.2 Other features observed
The lowest observed pressure of 990.8 hPa was reported by Erinpura at 0300 UTC of 28th, when the centre of system was very close to it. The maximum sustained wind speed of 25 kts was reported by New Kandla at 0300 UTC of 28th. The system moved in a northnortheasterly direction weakened into a well marked low pressure area west Rajasthan.
2.5.3 Weather and damage caused
Active to vigorous monsoon conditions prevailed over Rajastan, Gujarat State and west Madhya Pradesh. This deep depression caused heavy to very heavy with extremely heavy rainfall at isolated places of Rajastan, Gujarat State and west Madhya Pradesh.
Chief amounts of 24 hrs. rainfall (7 cm or more) ending at 0300 UTC from 27th to 30th are given below:
27.7.2015
West Rajastan: 33 - Gudamalani; 32 - Raniwada; 29 - Jaswantpura; 22 - Bhinmal; 18 - Bagoda; 17 - Bali and Chotan each; 15 - Sinderi and Sanchore each; 13 - Dorimanna and Desuri each; 12 - Erinpura Rd. and Sumerpur each; 11 - Sayla; 9 - Bilara; 7 - Pachpadra, Sedwa and Ramsar each.
East Rajastan: 45 - Mount Abu; 24 - Abu Road; 21 - Reodar; 19 - Arthuna; 15 - Sirohi; 12 - Galiakot; 11 - Danpur, Bijoliya, Nayanagar / Beawar, Veja and Bhainsroadgarh each; 10 - Chikali, Sheoganj and Kesarpura each; 9 - Pindwara, Kanva, Bagidora, Shergarh, Kumbhalgarh, Sallopat, Dungarpur Tehsil and Aspur each; 8 - Dhambola, Garhi, Sabla, Sagwara, Sajjangarh, Chambal / R.B.Dam and Nimbahera each; 7 - Gangrar, Khushalgarh, Kotda, Ladpura, Bari -Sadri, Kota AP, Loharia and Chittorgarh each.
West Madhya Pradesh: 11 - Jawad; 8 - Alirajpur - AWS and Sailana each; 7 - Nimach, Manasa, Ratlam, Ratlam - AWS and Jabot each.
Gujarat region: 19 - Dadiapada ARG and Dhanera each; 18 - Vapi; 17 - Mansa; 16 - Dahegam, Vijapur and Kankrej each; 15 - Valia, Siddhpur and Silvassa each; 14 - Dantiwada, Danta and Mangrol each; 13 - Vadgam, Himatanagar, Patan, Unjha, Amirgadh, Dharampur, Godhra and Palanpur each; 12 - Kaprada, Mahesana, Dangs (Ahwa), Kamrej and Deodar each; 11 - Dharoi Colony, Bhiloda, Tharad, Umerpada, Anand and Pardi each; 10 - Kalol (G), Jambughoda, Kadana, Daman, Wanakbori, Malpur, Umergam, Khedbrahma, Balasinor, Valsad, Deesa, Olpad, Madhubun and Kapadvanj each; 9 - Quant, Tilakwada ARG, Viramgam, Sagbara, Wav, Dhansura, Gandhinagar and Kadi each; 8 - Radhanpur, Talod, Karjan, Lunawada, Bavla, Khanpur, Bhabhar, Chhota Udepur, Gandevi ARG, Kamrej ARG, Kathalal and Dediapada each; 7 - Chhota ARG, Santrampur, Ahmedabad, Detroj, Vansda, Becharaji, Morva Hadaf, Shahera, Tilakwada, Bodeli, Fatepura, Sinor, Rajpipala, Meghraj, Nanipalson, Bardoli and Umreth each.
Saurashtra & Kutch: 19 - Junagadh; 17 - Jodia; 15 - Dasada; 14 - Bhesan; 13 - Junagarh AWS; 12 - Morbi, Vanthali and Visavadar each; 11 - Manavadar; 10 - Kotdasangani; 9 - Tankara; 8 - Amreli; 7 - Bhuj AP and Kharaghoda each.
28.7.015
West Rajastan: 24 - Sanchore; 19 - Raniwada; 18 - Jalore and Bagoda each; 16 - Jaswantpura; 9 - Gudamalani and Sedwa each; 7 – Bhinmal.
East Rajastan: 33 - Mount Abu; 13 - Abu Road; 12 - Reodar; 11 - Kotda; 10 - Veja; 8 - Galiakot and Dungarpur Tehsil each; 7 - Gogunda, Ganeshpur and Bari -Sadri each.
West Madhya Pradesh: 10 - Thandla and Petlawad each; 9 - Bhabhra; 8 - Sailana, Jhabua - AWS and Khachrod each; 7 – Ratlam.
Gujarat region: 43 - Dhanera; 42 - Wav; 40 - Deesa; 35 - Bhabhar; 34 - Kankrej; 33 - Tharad and Dantiwada each; 32 - Radhanpur; 25 - Deodar; 22 - Palanpur; 21 - Umerpada and Patan each; 20 - Santalpur; 19 - Dharoi Colony; 18 - Siddhpur, Unjha and Vadgam each; 16 - Mahesana and Becharaji each; 15 - Amirgadh and Vapi each; 14 - Dangs (Ahwa), Idar, Gandhinagar, Chanasma, Quant and Vansda each; 13 - Danta and Talod each; 12 - Silvassa, Ghandinagar AWS, Detroj, Himatanagar, Petlad and Satlasana each; 11 - Vadali, Kadi, Dadiapada ARG, Anand, Khedbrahma, Bodeli, Dharampur, Kaprada and Vijapur each; 10 - Kheralu, Mansa, Mangrol and Prantij each; 9 - Visnagar, Nandod, Sanand, Chikhli, Jetpur Pavi, Kalol (G), Mandal, Umergam, Mc Ahmedabad ARG, Dahegam, Khambhat, Ahmedabad, Rajpipala, Sami and Pardi each; 8 - Harij, Dohad, Chhota Udepur and Dhansura each; 7 - Naswadi, Vadnagar, Shahera, Gandevi ARG, Tilakwada, Sankheda, Borsad, Daman, Sagbara, Kamrej, Jambughoda, Godhra and Madhbun each.
Saurashtra & Kutch: 31 - Nakhatrana; 25 - Bhuj AP; 23 - Anjar and Rapar each; 19 - Morbi and Kandla Airport each; 18 - Tankara; 17 - New Kandla; 15 - Bhachau; 14 - Gandhidham; 13 - Jodia and MaliaMiana each; 12 - Lakhpat, Lalpur and Mundra each; 11 - Dasada, Halvad and Dhrangadhra each; 7 - Jamnagar IAF, Dhrol ARG, Lakhtar, Chotila, Targhadia AWS and Surendranagar each.
29.7.2015
West Rajastan: 15 - Sanchore and Sedwa each; 9 - Marwar Junction; 7 - Erinpura Rd., Bali, Sumerpur and Pali each.
East Rajastan: 41 - Abu Road; 32 - Mount Abu; 30 - Kotda; 19 - Jhadol; 18 - Devel; 12 - Girva, Udaipur AP and Gogunda each; 10 - Mavli and Veja each; 9 - Kherwara and Galiakot each; 8 - Udaipur, Dungarpur Tehsil, Bhungra, Chikali, Dhambola, Kanva and Arthuna each; 7 - Tatgarh, Sarara, Pindwara, Sheoganj, Shergarh and Salumber each.
Gujarat region: 49 - Vadgam; 36 - Deesa; 32 - Palanpur; 31 - Amirgadh; 30 - Dhanera; 28 - Siddhpur; 27 - Mahesana, Patan and Dharoi Colony each; 25 - Danta and Unjha each; 23 - Kadi; 21 - Idar; 20 - Radhanpur and Vijaynagar each; 19 - Prantij; 18 - Mansa and Bhabhar each; 17 - Vijapur, Deodar and Khedbrahma each; 16 - Kalol (G) and Vadali each; 15 - Sanand, Himatanagar, Mandal and Harij each; 14 - Kheralu; 13 - Dahegam, Chanasma, Talod and Viramgam each; 12 - Dhansura, Detroj and Umerpada each; 11 - Vadnagar, Gandhinagar and Visnagar each; 10 - Sami, Kathalal, Mahemdavad, Ghandinagar AWS, Modasa and Mc Ahmedabad ARG each; 9 - Satlasana, Ahmedabad and Meghraj each; 8 - Dascroi; 7 - Dholka, Lunawada, Kapadvanj, Wanakbori, Dholka ARG, Mahuva, Bayad, Chhota Udepur and Matar each.
Saurashtra & Kutch: 33 - Bhachau; 23 - Morbi; 21 - MaliaMiana and Rapar each; 19 - Dasada; 17 - Nakhatrana; 14 - Anjar; 13 - Dhrangadhra and Bhuj AP each; 11 - Halvad and Kharaghoda each; 9 - Gandhidham and Vanthali each; 8 - Mundra, Lakhpat, Lalpur, New Kandla and Tankara each; 7 - Kandla Airport and Mangrol (J) each.
30.7.2015
West Rajastan: 10 - Marwar Junction and Pali each; 9 - Bhinmal, Nokh, Dorimanna and Jaswantpura each; 8 - Sojat; 7 - Bagoda, Phalodi Tehsil, Bhopalgarh and Ramgarh each.
East Rajastan: 12 - Mount Abu; 10 - Sirohi; 9 - Bhim, Dungarpur Tehsil and Tatgarh each; 8 - Pindwara; 7 - Abu Road, Deogarh, Asind and Hurda each.
Gujarat region: 14 - Deodar; 10 - Vadali; 9 - Amirgadh, Idar and Bhiloda each; 8 - Santalpur, Siddhpur, Khedbrahma, Palanpur and Harij each; 7 - Vijaynagar and Unjha each.
2.6 Cyclonic storm (KOMEN) over the Bay of Bengal (26th July – 2nd Aug. 2015)
2.6.1 A cyclonic circulation extending upto 5.8 kms a. s. l. lay over northeast Bay of Bengal and neighbourhood on 25th. Under its influence, a low pressure area formed over northeast Bay of Bengal and adjoining areas of Bangla Desh & Gangetic West Bengal on the same evening. It rapidly concentrated into a Depression over northeast Bay of Bengal and adjoining coastal areas of Bangla Desh & West Bengal and lay centred near Lat.22.0°N/Long.90.8°E, about 60 kms southeast of Patuakhali (Bangla Desh) at 0000 UTC and remained practically stationary ay 0300 UTC of 26th. It moved slightly westwards and lay centered near Lat.22.0°N/Long. 90.5°E, close to Khepupara (Bangla Desh) at 1200 UTC on 26th. It remained practically stationary over the same area upto 28th evening. It moved southeastwards and intensified into a Deep Depression and lay over northeast Bay of Bengal and adjoining areas of Bangla Desh, centered near Lat.21.0°N/Long.91.0°E, about 160 kms south-southwest of Chittagong (Bangla Desh) at 0000 UTC on 29th. It remained practically stationary over the same region at 0300 UTC on 29th. It remained practically stationary and lay over the same region centred near Lat.21.5°N/Long.91.4°E about 100 kms south-southwest of Chittagong (Bangla Desh) at 1200 UTC on 29th July. It moved northwestwards and intensified into a Cyclonic Storm 'KOMEN' and lay over the same region centered near Lat. 21.6°N / Long. 91.4°E about 95 kms south-southwest of Chittagong (Bangla Desh) and about 300 kms east-southeast of Kolkata at 1800 UTC on 29th. Moving northwards, it lay over the same region centered near Lat. 22.0°N / Long. 91.4°E about 80 kms southwest of Chittagong (Bangla Desh) and about 300 kms east-southeast of Kolkata at 0300 UTC on 30th. It moved northwestwards and lay centred close to Bangla Desh coast near Lat. 22.4°N / Long. 91.4°E about 20 kms east of Hatia (Bangla Desh) at 1200 UTC on 30th. It moved northwards and crossed Bangla Desh coast between Hatia and Sandwip during 1400 to 1500 UTC on 30th. It then moved nearly northwards, weakened into a Deep Depression and lay over Bangla Desh centred near Lat. 23.0°N / Long. 91.0°E at 2100 UTC on 30th. Subsequently, it moved west-northwestwards and centred near Lat. 23.1°N / Long. 90.0°E, about 85 kms east-southeast of Jessore (Bangla Desh) at 0000 UTC on 31st. It remained practically stationary over the same region at 0300 UTC on 31st July. It then moved west northwestwards, weakened into a Depression and lay over Bangla Desh centered near Lat. 23.1°N / Long. 89.5°E about 35 kms east of Jessore (Bangla Desh) at 1200 UTC on 31st. It continued to moved westwards and lay over Bangla Desh centered near Lat. 23.2°N / Long. 89.2°E, close to Jessore at 0300 UTC on 1st Aug. It moved west northwestwards and lay over Gangetic West Bengal and adjoining Bangla Desh centred near Lat. 23.8°N / Long. 88.4°E about 30 kms south-southeast of Behrampore (West Bengal) at 1200 on 1st Aug. It moved westwards and lay over Jharkhand and adjoining Gangetic West Bengal centred near Lat. 23.8°N and Long. 86.7°E, about 70 km northwest of Bankura at 0000 UTC on 2nd. It moved west-southwestwards and lay over Gangetic West Bengal and adjoining Jharkhand centred near Lat. 23.5°N / Long. 86.0°E, about 70 kms east-northeast of Ranchi at 0300 UTC on 2nd. It moved south-southwestwards and weakened into a well marked low pressure area over Jharkhand and adjoining areas of north Odisha and north Chhattisgarh on same evening.
The details of the system are given in Table 6.
Table–6
|
Date / Time (UTC)
|
Intensity
|
Position near
Lat. o N / Long. o E
(Best Track)
|
Based on
|
Real time Estimates on Satellite Imagery /RADAR Obsn.
|
Supporting synoptic / asynoptic observations
|
26 Jul./ 0000
|
Depression
|
22.0/90.8
|
C.I. No. 1.5
|
-
|
26 Jul./ 0300
|
Depression
|
22.0/90.8
|
C.I. No. 1.5
|
Cox Bazar: 998.6 hPa, 150/8 kts.
Chittagong: 997.7 hPa, 120/6 kts.
Hatia: 995.1 hPa, 180/2 kts.
Khempura: 996.3 hPa
Kolkata: 999.4 hPa, 020/3 kts
|
26 Jul./ 1200
|
Depression
|
22.0/90.5
|
C.I. No. 1.5
|
Mongla: 994.5 hPa, 030/8 kts.
Bhola: 994.6 hPa, 120/6 kts.
Agartala: 998.7 hPa, 090/1 kts.
Khempura: 993.4 hPa, 230/2 kts
Kolkata: 996.4 hPa, 360/6 kts
|
27 Jul./ 0300
|
Depression
|
22.0/90.5
|
C.I. No. 1.5
|
Khempura: 994.0 hPa
Mongla: 996.6 hPa, 030/8 kts
Barisal: 996.3 hPa, 050/4 kts.
Hatia: 995.6 hPa, 130/3 kts
Cox Bazar: 997.8, 170/6kts
Kolkata: 999.1 hPa
360/5 kts
|
27 Aug./ 1200
|
Depression
|
22.0/90.2
|
C.I. No. 1.5
|
Khempura: 993.9 hPa
Mongla: 994.0 hPa, 030/3 kts
Jesoore: 995.9 hPa, 050/4 kts.
Kolkata: 996.6 hPa
340/3 kts
Ship AUYQ(20.8/88.1):
999.6hPa, 320/24kts
|
28 Jul./ 0300
|
Depression
|
22.0/90.8
|
C.I. No. 1.5
|
Khempura: 994.1 hPa
Mongla: 997.6 hPa, 030/4 kts
Jesoore: 1000.1 hPa, 030/10 kts.
Kolkata: 999.8 hPa
340/6kts
Patuakhali: 997.8hPa, 050/3kts
|
28 Aug./ 1200
|
Depression
|
21.5/90.2
|
C.I. No. 1.5
|
Khempura: 994.5 hPa, 050/4 kts
Mongla: 995.5 hPa, 030/2 kts
Hatia: 995.9 hPa,180/3kts
Feni: 996.1 hPa, 160/4kts
Cox Bazar: 994.8 hPa, 170/5 kts
Teknaf: 1000.4 hPa, 180/12 kts
|
29 Jul./ 0000
|
Deep Depression
|
21.0/91.0
|
C.I. No. 2.0
|
Cox Bazar: 993.6 hPa
Teknaf: 994.4 hPa, 180/21 kts
Chittagong: 994.8hPa, 090/6 kts
Hatia: 994.7 hPa, 070/5kts
Sittwe: 997.2 hPa, 230/15kts
|
29 Jul./ 0300
|
Deep Depression
|
21.0/91.0
|
C.I. No. 2.0
|
Khempura: 994.3 hPa, 140/7 kts
Cox Bazar: 993.3 hPa,120/15kts
Teknaf: 994.3 hPa, 180/24 kts
Hatia: 995.4 hPa, 130/14kts
Sittwe: 998.5 hPa, 230/15kts
|
29 Jul/ 1200
|
Deep Depression
|
21.5/91.4
|
C.I. No. 2.0
|
Cox Bazar: 990.3 hPa,180/8 kts
Teknaf: 991.4 hPa, 180/11 kts
Chittagong: 991.5hPa, 080/12 kts
Hatia: 991.3 hPa, 050/10kts
Khempura: 991.0hPa, 140/7 kts
|
29 Jul/ 1800
|
Cyclonic Storm KOMEN
|
21.6/91.4
|
C.I. No. 2.0
|
Cox Bazar: 991.4 hPa,090/3 kts
Teknaf: 992.1 hPa, 230/29 kts
Chittagong: 993.8hPa, 090/8 kts
Hatia: 994.4 hPa, 130/3kts
Khempura: 993.4hPa, 050/10 kts
|
30 Jul/ 0000
|
Cyclonic Storm KOMEN
|
21.7/91.4
|
C.I. No. 2.0
|
SypM(SAK) 22.5/93.0: 090/21 kts
SypM(GKL) 23.4/91.4: 991.8hPa, 010/4 kts
Mongla: 994.9 hPa, 050/4 kts
Kailashshahar: 996.3hPa, 140/10 kts
Agartala: 995.8hPa
|
30 Jul/ 0300
|
Cyclonic Storm KOMEN
|
22.0/91.4
|
C.I. No. 2.5
|
Hatia: 991.1 hPa, 030/4 kts
Feni: 992.9 hPa, 130/3 kts
Chittagong: 989.3 hPa, 070/15 kts
Cox Bazar: 986.9 hPa, 180/12kts
Teknaf: 989.9 hPa, 230/9kts
|
30 Jul/ 1200
|
Cyclonic Storm KOMEN
|
22.4/91.4
|
C.I. No. 2.5
|
Hatia: 989.7 hPa, 050/6 kts
Sandwip: 989.6 hPa, 180/7 kts
Chittagong: 988.9 hPa, 080/10 kts
Cox Bazar: 989.0 hPa, 180/8kts
Teknaf: 992.4 hPa, 230/16kts
|
Crossed Bangala Desh coast near Longitude 91.4° E during 1400-1500UTC.
|
30 Jul 2100
|
Deep Depression
|
23.0/91.0
|
-
|
Hatia: 992.8 hPa, 270/1 kts
Feni: 990.2 hPa, 90/3 kts
Chittagong: 992.5 hPa, 210/12kts
Agartala: 993.2 hPa, 090/5kts
Teknaf: 995.5 hPa, 230/15kts
|
31 Jul./ 0000
|
Deep Depression
|
23.1/90.0
|
-
|
Hatia: 992.9 hPa, 300/1 kts
Feni: 992.0 hPa, 160/5 kts
Chittagong: 993.1 hPa, 130/5kts
Agartala: 993.6 hPa, 050/7kts
Teknaf: 996.4 hPa, 230/22kts
|
31 Jul./ 0300
|
Deep Depression
|
23.1/90.0
|
-
|
Hatia: 994.8 hPa, 180/2 kts
Feni: 994.2 hPa, 130/4 kts
Chittagong: 995.5 hPa, 180/3kts
Faridpur: 994.5 hPa, 360/4kts
Jessore: 995.9 hPa, 350/8kts
|
31 Jul./ 1200
|
Depression
|
23.1/89.5
|
-
|
Barisal: 994.0 hPa, 180/6 kts
Madaripur: 993.4 hPa, 170/2 kts
Chandpur: 993.7 hPa, 180/2kts
Faridpur: 993.6 hPa, 110/3kts
Jessore: 993.6 hPa, 350/4kts
|
1 Aug./
0300
|
Depression
|
23.2/89.2
|
-
|
Barisal: 998.9 hPa, 180/10 kts
Targail: 997.4 hPa, 140/2 kts
Bagatir: 997.3 hPa, 320/1kts
Faridpur: 997.3 hPa, 140/2kts
Jessore: 996.2 hPa
Balasur: 995.9hPa
|
1 Aug./
1200
|
Depression
|
23.8/88.4
|
-
|
Balasur:999.6hPa
Jamshedpur:999.2
hPa
CanningTown:999.8
hPa
|
2 Aug./
0000
|
Depression
|
23.8/86.7
|
-
|
-
|
2 Aug./
0300
|
Depression
|
23.5/86.0
|
-
|
Jamshedpur:999hPa
Sundergarh:1001hPa
Balasur:1002hPa
|
2 Aug. evening
|
Weakened into a well marked low pressure area over Jharkhand and adjoining areas of north Odisha and north Chhattisgarh.
|
2.6.2 Other features observed
The highest maximum wind speed has been estimated as 40 knots. However, Teknaf (Bangladesh) reported 55 knots (in the southeastern sector of the CS, Komen) in the early hours of 30th July for a short period. It reported 76 kmph (40 kts) at 0600 UTC of 30th July. Maungdaw (48061) and Sittwe (47062) which lay to the southeast of the centre of the cyclonic storm reported maximum wind of 67 kt at 2300 UTC and 58 kt at 0400 UTC of 30th July respectively which may be due to the squall in association with the cyclonic storm. The lowest estimated central pressure has been 986 hPa. The MSLP of about 986.9 hPa was reported at Cox Bazar on 30th at 0300 UTC. The MSLP of about 986.5 hPa has been reported from southeastern coast of Bangladesh, when the CS was moving northward close to that coast.
2.6.3 Weather and damage caused
Active to vigourous monsoon conditions with heavy to very heavy rainfall at isolated places prevailed over Nagaland-Manipur-Mizoram-Tripura, Gangetic West Bengal and Odisha with extremely heavy rain over Jharkhand.
This condition triggered floods which claimed 69 lives in Gangetic west Bengal and 5 in Odisha. It affected five lakh people. Landslides claimed 20 lives in Manipur.
Chief amounts of 24 hrs. rainfall (4 cm or more) ending at 0300 UTC from 26th July to 2nd August 2015 are given below:
26.7.2015
Nagaland-Manipur-Mizoram-Tripura: 6 – Sabroom.
Gangetic West Bengal: 10 - Dhaniakhali ARG; 9 - Nandigram, Manmothnagar and Canning Town. each; 8 - Kharagpur (I.I.T), Dhaniakhali, Uluberia, Kansabati Dam, Uluberia and Harinkhola each; 7 - Bagati (Magra); 6 - Sagar, Mangalkote, Ranibandh, Amta and Kolkata AP each; 5 - Joypur, Kharidwar, Chinsura, Burdwan, Diamond Harbour, Phulberia and Tusuma each; 4 - Baruipur, Tamluk AWS, Barrackpur IAF, Kalyani Smo and Digha each.
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