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Press Information Bureau
Government of India
Ministry of Earth Science
05-December-2017 15:20 IST
Cyclonic Storm ‘OCKHI’ over eastcentral Arabian Sea

Well Marked low pressure area over Southeast Bay of Bengal (1415 Hours)

Cyclonic Storm ‘OCKHI’ over eastcentral Arabian Sea

 

The cyclonic storm ‘OCKHI’ over eastcentral Arabian Sea moved further north-northeastwards with a speed of 21 kmph during past 6 hours and lay centred at 1130 hrs IST of 05th December, 2017 over eastcentral Arabian Sea near Latitude 18.5º N and Longitude 71.0º E, about 350 km south-southwest of Surat and 200 km west-southwest of Mumbai. It is very likely to continue to move north-northeastwards, weaken gradually and cross south Gujarat and adjoining north Maharashtra coasts near Surat as a deep depression by tonight, the 5th December 2017.

Track and intensity forecast of the system is given in the following table:

 

Date/Time(IST)
Position
(Lat. 0N/ long. 0E)
Maximum sustained surface 
wind speed (kmph)
Category of cyclonic disturbance
05/1130
18.5/71.0
70-80 GUSTING TO 90

CYCLONIC STORM

05/1730
19.5/71.7
60-70 GUSTING TO 80

CYCLONIC STORM

05/2330
20.6/72.4
50-60 GUSTING TO 70

DEEP DEPRESSION

06/0530
21.7/73.1
40-50 GUSTING TO 60

DEPRESSION

06/1130
22.6/73.7
25-35 GUSTING TO 45

LOW

 

Warning:

 

(i)                 Heavy Rainfall:

Gujarat : Light to moderate rainfall at most places with heavy rainfall at isolated places is very likely over Saurashtra and south Gujarat region till the morning of 6th December, 2017 (Valsad, Surat, Navsari, Bharuch, Dang, Tapi, Amreli, Gir- Somnath, Bhavnagar, Diu, Daman, Dadra, and Nagar Haveli districts) and light to moderate rainfall over Gujarat region at many places during subsequent 12 hours.

Maharashtra: Light to moderate rainfall at most places with isolated heavy rainfall is also likely over north Konkan till the morning of 6th December, 2017 (Palghar, Thane, Raigarh, Greater Mumbai, Dhule, Nandurbar, Nashik, Jalgaon, Ahmednagar and Pune districts).

(ii)       Wind:

Squally wind speed reaching 50-60 kmph gusting to 70 kmph very likely along & off north      Maharashtra and South Gujarat coasts during next 24 hours.

(ii)               Sea condition:

Sea condition would be rough to very rough along & off north Maharashtra and South Gujarat coasts during next 24 hours.

(iii)             Damage Expected over south Gujarat (Valsad, Surat, Navsari, Bharuch, Dang, Tapi, Amreli, Gir- Somnath, Bhavnagar districts), Daman, Diu, and Dadra, Nagar Haveli and north Konkan Districts of Maharashtra (Palghar, Thane, Raigarh, and Greater Mumbai):

Minor damage to loose / unsecured structures, breaking of tree branches, uprooting of small trees. Minor damage to Banana trees. Some damage to agriculture near coast due to salt spray. Damage to ripe paddy crops. Minor damage to Kutcha embankments.

(iv)             Action suggested

South Gujarat and north Maharashtra coasts: Fishermen are advised not to venture into the Sea along & off South Gujarat and north Maharashtra coasts during next 24 hours.

 

Well Marked low pressure area over Southeast Bay of Bengal:

The well marked low pressure area over southeast Bay of Bengal and adjoining south Andaman Sea now lies over southeast Bay of Bengal and neighbourhood. It is very likely to become a depression over the same area during next 12 hours and further intensify into a deep depression during the subsequent 48 hours. It is very likely to move west-northwestwards towards north Tamil Nadu- south Andhra Pradesh coasts during next 3 days.

 

Warning:

 

Heavy Rainfall:

·      Rainfall at most places with isolated heavy rainfall very likely over Nicobar Islands and rainfall at many places over Andaman Islands during next 3 days

·      Rainfall at many places with heavy falls at isolated places very likely over north Andhra Pradesh and south Odisha on 7th and 8th December, 2017.

 

Wind:

Squally winds speed reaching 40-50 kmph gusting to 60 kmph on 5th and 6th December, 2017 very likely over and around Nicobar Islands and decrease thereafter.

 

Sea Condition:

Sea condition would be rough to very rough during 5th to 6th December, 2017 around Nicobar Islands.

 

Action suggested:

·           Fishermen along and off Nicobar Islands are advised not to venture into sea till 6th December, 2017.

·           Fishermen along and off Andhra Pradesh and Tamilnadu coasts are advised not to venture into sea during 6th to 8th December, 2017

 
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