The ‘VAYU’ bulletin: What to expect, storm surge warning and action suggested
New Delhi, June 12: The Very Severe Cyclonic Storm 'VAYU' over Eastcentral Arabian Sea moved north-northwestwards with a speed of about 11 kmph in the last six hours and lay centred at 0830 hrs IST of 12th June, 2019 near latitude 18.0°N and longitude 70.3°E over Eastcentral Arabian Sea, about 460 km northwest of Goa, 290 km west-southwest of Mumbai (Maharashtra) and 320 km nearly south of Veraval (Gujarat), the IMD has said.
It is very likely to move nearly northwards and cross Gujarat coast between Porbandar and Diu around west of Veraval 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:
Heavy rainfall warning:
- 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
Wind warning
12th
June:
Gale
wind
speed
reaching
140-150
kmph
gusting
to
165
kmph
prevails
over
eastcentral
&
adjoining
northeast
Arabian
Sea
and
become
145-155
kmph
gusting
to
170
kmph
by
12th
night.
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.
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
The sea condition is phenomenal over eastcentral & adjoining northeast Arabian Sea & Gujarat coast on 12th & 13th June 2019.
The
Sea
condition
is
very
likely
to
very
rough
to
high
along
&
off
Maharashtra
Coast
on
12th
&
13th
June,
2019.
(iv)
Fishermen
Warning
The fishermen are advised not to venture into Eastcentral Arabian Sea and along & off Maharashtra Coast on 12th; north Arabian sea and along & off Gujarat coast on 12th & 13th.
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.
Damage Expected and Action suggested for Kutch, Devbhoomi Dwarka, Porbandar, Jamnagar, 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.