Friday, 1 December 2017

Very Severe Cyclonic Storm ‘OCKHI’ over Lakshadweep area and adjoining Southeast Arabian Sea and Cyclone Warning for Lakshadweep Islands- RED message(1730 hrs)

Very Severe Cyclonic Storm ‘OCKHI’ over Lakshadweep area and adjoining Southeast Arabian Sea and Cyclone Warning for Lakshadweep Islands- RED message(1730 hrs)
The severe cyclonic storm ‘OCKHI’ over Lakshadweep area and adjoining Southeast Arabian Sea continued to move west-northwestwards with a speed of 15 kmph during past 06 hours and intensified further into a Very Severe Cyclonic Storm and lay centred at 1430 hrs IST of today, the 01st December, 2017 over Lakshadweep area and adjoining southeast Arabian Sea near Latitude 9.1º N and Longitude 73.0º E, about 90 km north of Minicoy and 220 km south-southeast of Amini Divi. The system is very likely to intensify further during next 24 hours. It is very likely to continue to move west-northwestwards across Lakshadweep Islands during next 24 hours and then move north/ northeastwards during the subsequent 48 hours.

Date/Time(IST)
Position
(Lat. 0N/ long. 0E)
Maximum sustained surface 
wind speed (kmph)
Category of cyclonic disturbance
    01/1430
9.1/73.0
115-125 GUSTING TO 140
VERY SEVERE CYCLONIC STORM
    01/1730
9.3/72.8
120-130 GUSTING TO 145
VERY SEVERE CYCLONIC STORM
    01/2330
9.7/72.1
120-130 GUSTING TO 145
VERY SEVERE CYCLONIC STORM
    02/0530
10.1/71.4
125-135 GUSTING TO 150
VERY SEVERE CYCLONIC STORM
      02/1130
10.7/70.8
125-135 GUSTING TO 150
VERY SEVERE CYCLONIC STORM
            02/2330
11.9/69.7
130-140 GUSTING TO 155
VERY SEVERE CYCLONIC STORM
03/1130
13.4/68.9
120-130 GUSTING TO 145
VERY SEVERE CYCLONIC STORM
03/2330
14.8/68.7
105-115 GUSTING TO 125
SEVERE CYCLONIC STORM
04/1130
16.2/69.2
95-105 GUSTING TO 115
SEVERE CYCLONIC STORM
04/2330
17.6/70.3
70-80 GUSTING TO 90
CYCLONIC STORM
05/1130
18.9/71.5
50-60 GUSTING TO 70
DEEP DEPRESSION

Warning:

(i)           Heavy Rainfall warning:
·      Rainfall at most places with heavy to very heavy rainfall at a few places and isolated extremely heavy falls (>20 cm) very likely over Lakshadweep area during next 24 hours and isolated heavy to very heavy falls during subsequent 24 hours.
·      Rainfall at many places with heavy rainfall at isolated places very likely over Kerala during next 24 hours.

(ii)       Wind warning:
  • Gale winds speed reaching 120-130 kmph gusting to 145 kmph very likely over & around Lakshadweep Islands during next 24 hours and gradual decrease thereafter.
  • Squally wind speed reaching 45-55 kmph gusting to 65 kmph very likely along & off Kerala during next 24 hours and along & off Karnataka coast during next 24 hours.

(ii)          Sea condition:
·      Sea conditions would be phenomenal over and around Lakshadweep Islands during next 24 hours and very high during subsequent 24 hours.
·      Sea conditions would be high to very high along & off Kerala coast during next 24 hours and along & off Karnataka coast during subsequent 24 hours.

(iii)         Damage Expected over Lakshadweep Islands: Damage to power and communication lines due to breaking of tree branches and uprooting of large avenue trees. Major damage to thatched houses/huts: Major damage to kutcha houses, some damage to pucca roads and flooding of escape routes. Damage to banana & Papaya trees and standing crops.

(iv)         Storm surge:
·         Storm surge of about 1 meter above astronomical tides very likely to inundate low lying areas of Lakshadweep Islands.

(v)          Action suggested
·      Lakshadweep Islands: Fishermen along & off Lakshadweep Islands are advised not to venture into the sea during next 48 hours.
·      Kerala & Karnataka coast: Fishermen are advised not to venture into the sea along & off Kerala & Karnataka coast during next 48 hrs.

 


SEVERE CYCLONIC STORM “OCKHI”
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
RDS/nb

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