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Overall Orange alert Tropical Cyclone for OCKHI-17
in India, Maldives, Sri Lankafrom 29 Nov 2017 18:00 UTC to 05 Dec 2017 06:00 UTC
GDACS Event Report - Summary


Tropical Cyclone OCKHI-17 can have a medium humanitarian impact based on the Maximum sustained wind speed and the affected population and their vulnerability.

Updated: this report is based on advisory number 23: (06 Dec 2017 06:03).

  • Tropical Cyclone Tropical Storm (maximum wind speed of 185 km/h)
  • from 29 Nov 2017 18:00 UTC to 05 Dec 2017 06:00 UTC
  • Population affected by Category 1 (120 km/h) wind speeds or higher is 0
  • inserted at 05 Dec 2017 07:18:52 UTC
  • Vulnerability: High

Extreme Rain

Potential rainfall is calculated based on rainfall observed by several microwave satellite sensors.

The image shows the total rainfall accumulation associated with the cyclone.

Storm surge

The maximum Storm surge height is  0.7m in Mahuva, India. This height is estimated for 05 Dec 2017 18:00:00.


India, Sri Lanka - Tropical Cyclone OCKHI Update

(Created: Mon, 04 Dec 2017 06:40:00 +01:00)

To obtain GIS data of the hazard layers in this map (such as rainfall, wind fields, storm surge, earthquake epicentres etc) please send a request to contact us. Note that the original source of this data (GDACS/JRC or organisations such as NOAA, USGS etc) much always be cited


Known identifiers for this event: IO032017 (JTWCid)

Latest media headlines

Articles: 73 | About casualties: 7 | Last hour: 0

Cyclone Ockhi gone but the aftermath is beyond repair; read heart wrenching accounts
Fri, 08 Dec 2017 04:12:00 +0100   financialexpress (en)

The perilous Cyclone Ockhi might have dissipated but the fear that it has instilled in people’s mind is still there. The cyclone was as fearsome as December 2004 tsunami for the fishermen who were one of the first ones to witness the storm at sea. Yonas Aruldas, 38, from Kanyakumari said, “We understand fear.

People and organisations:

Cyclone Ockhi’s gone but not the fear as boats wait in huddle
Fri, 08 Dec 2017 03:48:00 +0100   expressindia (en)

Cyclone Ockhi first arrived on their boats over the radio transmitters, through the panic-stricken voices of other fishermen. “Kopam, kadalode kopam… kaattru… bayangarmaana kaattru (Anger, sea’s anger… winds… terrible winds),” says Yonas Aruldas, 38, from Kanyakumari, recalling the loud screams that woke him.

People and organisations:

Ockhi fallout: Kozhikode suffers ₹24.87-crore loss
Thu, 07 Dec 2017 04:34:00 +0100   thehindu (en)

The district administration has estimated a loss of ₹24.87 crore after the cyclone Ockhi ravaged the coastal areas in Kozhikode. According to a press release here on Wednesday, the loss incurred due to the destruction of seawalls has been put at ₹23.9 crore.

People and organisations:

More news...

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EMM (1), JRC (159), (2), DesInventar (4), BOM (1), JTWC (1), NASA (1), NOAA (3), OCHA (1), TRMM (1), Unisys (1), WMO (1), ECMWF (4), HWRF (1), GFS (1), INFORM (2),

Access resources: List or RSS RSS

Further information and official advisories can be found at the Severe Weather Information Centre of the World Meteorological Organization, by clicking on the Tropical Cyclone symbols on the world map of the site.