(1) Very Severe Cyclonic Storm ‘OCKHI’ over eastcentral Arabian …

1)   
Very
Severe Cyclonic Storm ‘OCKHI’ over eastcentral Arabian Sea

The very severe cyclonic
storm ‘OCKHI’ over eastcentral Arabian Sea moved further north-Northeastwards
with a speed of 13 kmph during past 6 hours and lay centred at 1430 hrs IST of
04^th December, 2017 over eastcentral Arabian Sea near Latitude 15.2º
N and Longitude 69.0º E, about 590 km southwest of Mumbai and 770 km
south-southwest of Surat. 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 the night of
tomorrow, the 5^th 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

04/1430

15.2/69.0

120-130 GUSTING TO 145

04/1730

15.8/69.3

110-120 GUSTING TO 135

04/2330

16.5/69.8

100-110 GUSTING TO 120

05/0530

17.3/70.4

90-100 GUSTING TO 110

05/1130

18.4/71.2

70-80 GUSTING TO 90

05/2330

20.5/72.6

50-60 GUSTING TO 70

06/1130

22.3/73.8

35-45 GUSTING TO 55

Warning:

(i)          
Heavy
Rainfall:

·          
Gujarat : Light
to moderate rainfall is very likely at a few places over Saurashtra and south
Gujarat region on 4^th December. Light to moderate rainfall at most
places with heavy rainfall at isolated places is very likely over Saurashtra
and south Gujarat region on 05^th December (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 on 6th December.

·          
Maharashtra: Light
to moderate rainfall is very likely at a few places over north Konkan including
Mumbai on 4^th December. Light to moderate rainfall at most places
with isolated heavy rainfall is also likely over north Konkan on 5^th
December (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 from today, the 4^th night to 6^th December
  2017 morning.
  

(ii)         
Sea
condition:

·     
Sea condition would be rough to very rough
along & off north Maharashtra and South Gujarat coasts from today, the 4^th
night to 6^th December 2017 morning.

(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. 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 from 4^th December to 6^th morning.

2.         Well Marked low pressure area over Southeast
Bay of Bengal:

A well marked low pressure
area lies over southeast Bay of Bengal and adjoining south Andaman Sea. It is
very likely to become a depression over southeast Bay of Bengal during next 24
hours and further intensify into a deep depression during subsequent 48 hours.
It is very likely to move west-northwestwards towards north Tamilnadu – 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 7^th and 8^th December,
2017.

Wind:

Squally winds speed reaching 30-40 kmph gusting to 50
kmph on 4^th, and 40-50 kmph gusting to 60 kmph on 5^th and
6^th December, 2017 very likely over and around Nicobar Islands and
decrease thereafter.

Sea Condition:

Sea condition would be rough to very rough during 4^th
to 6^th December, 2017 around Nicobar Islands.

Action suggested:

·          
Fishermen
along and off Nicobar Islands are advised not to venture into sea during 4^th
to 6^th December, 2017.

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

RDS/CK