The Very Severe Cyclonic Storm ‘VAYU’ (pronounced as VAA’YU) over Eastcentral Arabian Sea moved nearly northwards with a speed of about 13 kmph in last six hours and lay centred at 0530 hrs IST of 12th June, 2019 near latitude 17.8°N and longitude 70.5°E over Eastcentral Arabian Sea, about 470 km west-northwest of Goa, 280 km south-southwest of Mumbai (Maharashtra) and 340 km nearly south of Veraval (Gujarat).
It is very likely to move nearly northwards and cross Gujarat coast between Porbandar and Mahuva around Veraval & Diu region as a Very Severe Cyclonic Storm with wind speed 145-155 kmph gusting to 170 kmph around morning of 13th June 2019.
Forecast track and intensity are given in the following table:
| Date/Time(IST) | Position (Lat. 0N/ long. 0E) | Maximum sustained surface wind speed (Kmph) | Category of cyclonic disturbance |
| 12.06.19/0530 | 17.8/70.5 | 135-145 gusting to 160 | Very Severe Cyclonic Storm |
| 12.06.19/1130 | 18.6/70.5 | 135-145 gusting to 160 | Very Severe Cyclonic Storm |
| 12.06.19/1730 | 19.4/70.4 | 140-150 gusting to 165 | Very Severe Cyclonic Storm |
| 12.06.19/2330 | 20.1/70.4 | 145-155 gusting to 170 | Very Severe Cyclonic Storm |
| 13.06.19/0530 | 20.7/./70.3 | 145-155 gusting to 170 | Very Severe Cyclonic Storm |
| 13.06.19/1730 | 21.6/70.0 | 115-125 gusting to 135 | Severe Cyclonic Storm |
| 14.06.19/0530 | 22.2/69.6 | 85-95 gusting to 105 | Severe Cyclonic Storm |
| 14.06.19/1730 | 22.7/69.2 | 60-70 gusting 80 | Cyclonic Storm |
| 15.06.19/0530 | 23.1/68.8 | 30-40 gusting to 50 | Depression |
Warnings:
(i) Heavy rainfall warning:
Sub-Divisions | 12 June 2019* | 13 June 2019* | 14 June 2019* |
Konkan& Goa | Widespread rainfall with heavy to very heavy falls at isolated places | Fairly widespread rainfall with heavy falls at isolated places | Fairly widespread rainfall |
Saurashtra& Kutch | Fairly widespread rainfall with heavy falls at isolated places | Widespread rainfall with heavy to very heavy falls at few places and extremely heavy falls at isolated places | Fairly widespread rainfall with heavy to very heavy falls at isolated places |
South Gujarat Region | Fairly widespread rainfall with heavy falls at isolated places | Rainfall at a few places with heavy falls at isolated places | Rainfall at a few places |
Note: * Rainfall till 0830 IST of next day.
Legends: Yellow: Be Updated; Orange- Be prepared; Red- Take action, Green: No warning
Heavy rain: 64.5-115.5 mm/day; Very heavy rain: 115.6-204.4 mm/day; Extremely heavy rain: more than 204.4 mm/day
(ii) Wind warning
o 12th June: Wind speed is very likely to become gale wind speed reaching 135-145 kmph gusting to 160 kmph over eastcentral & adjoining northeast Arabian Sea by 12th June. It is very likely to be 60-70 kmph gusting to 80 kmph over Gujarat Coast from 12th morning and become gale wind speed reaching 145-155 kmph gusting to 170 kmph by 12th night. It is very likely to be 50-60 kmph gusting to 70 kmph over Maharashtra Coast.
o 13th June: Gale wind speed of the order of 145-155 kmph gusting to 170 kmph very likely over north Arabian Sea & Gujarat coast in morning hours and decrease gradually thereafter. It is very likely to be 50-60 kmph gusting to 70 kmph over north Maharashtra Coasts & northern parts of eastcentral Arabian Sea.
(iii) Sea condition
o The sea condition is very likely to become very high to phenomenal over eastcentral & adjoining northeast Arabian Sea & Gujarat coast from 12thJune and over north Arabian Sea on 13th June 2019.
o The Sea condition is very likely to very rough to high along & off Maharashtra Coast on 12th & 13th June, 2019.
(iv) Fishermen Warning
o The fishermen are advised not to venture into Eastcentral Arabian Sea and along & off Maharashtra Coast on 12th; northeast Arabian sea and along & off Gujarat coast on 12th & 13th.
(iv) Storm Surge Warning
Storm surge of height of about 1.5-2.0 m above the astronomical tides likely to inundate the low lying coastal areas of Kutch, Devbhoomi, Dwarka, Porbandar, Junagarh, Diu, Gir Somnath, Amreli and Bhavnagar districts at the time of landfall.
(v) Damage Expected and Action suggested for Kutch, Devbhoomi Dwarka, Porbandar, Rajkot, Junagarh, Diu, Gir Somnath, Amreli and Bhavnagar districts of Gujarat:
(i) Total destruction of thatched houses/extensive damage to Kutcha houses. Some damage to pucca houses. Potential threat from flying objects.(ii) Bending/uprooting of power and communication poles. (iii) Major damage to Kutcha and Pucca roads. Flooding of escape routes. Minor disruption of railways, overhead power lines and signalling systems.(iv) Widespread damage to standing crops, plantation, orchards, falling of green coconuts and tearing of palm fronds. Blowing down bushy trees like mango.(v) Small boats, country crafts may get detached from moorings.(vi) Visibility severe affected.
Action suggested:
(i) Regulate road & rail traffic (ii) Total suspension of fishing operations. (iii) Evacuation from low lying areas of the above mentioned Districts, coastal Hutment dwellers, urban slum dwellers and people staying in unsafe house to safer places. People in affected areas to remain indoors.(iv) Movement in motor boats & small ships unsafe.(v) Inundation of low lying areas in the along the coasts due to heavy rainfall and storm surge. .
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GK