Overall Red alert Tropical Cyclone for YUTU-18
in Philippines, Northern Mariana Islands

Impact

Tropical Cyclone YUTU-18 can have a high humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source GDACS
Exposed countries Philippines, Northern Mariana Islands
Exposed population 11 million in Category 1 or higher
Maximum wind speed 287 km/h
Maximum storm surge 0.1 m (25 Oct 10:00 UTC)
Vulnerability Medium (Northern Mariana Is.)

GDACS Score

GDACS alert score for Tropical Cyclones is 0.5 (GREEN Alert), 1.5 (ORANGE Alert), 2.5 (RED Alert)
For more info on GDACS alert score click here.
  Wind Storm surge Rainfall GDACS score
Current 231 km/h 0.1 m n.a. 0.5
Overall 287 km/h 0.1 m n.a. 0.5

Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track) based on GDACS impact

Wind

231 km/h Current Max.

Up to 2500 people in Category 1 strength or higher (see SSHS)

Impact Timeline

Alert Date (UTC) Max Winds (km/h) Population in
Tropical Storm or higher
Population in
Cat 1. or higher
Countries
Green 1 21 Oct 2018 12:00 231 210 thousand 2 thousand Northern Mariana Islands

Bulletin Timeline

Alert Date (UTC) Category
(SSHS)
Max winds
(km/h)
Population in
Cat.1 or higher
Population in
Tropical Storm
or higher
Location (lat, lon) Countries
GREEN
1 21 Oct 2018 12:00 Tropical depression 46 no people <1000 people 8.4, 157.6
GREEN
1 22 Oct 2018 00:00 Tropical storm 65 no people <1000 people 8.9, 156.1
GREEN
1 22 Oct 2018 12:00 Tropical storm 83 no people <1000 people 9.8, 154.7
GREEN
1 23 Oct 2018 00:00 Category 1 120 no people <1000 people 11, 153
GREEN
1 23 Oct 2018 12:00 Category 1 148 no people 51000 people 12.1, 151.4 Guam
GREEN
1 24 Oct 2018 12:00 Category 3 204 2500 people 210000 people 14.1, 148 Northern Mariana Islands
GREEN
1 25 Oct 2018 12:00 Category 4 231 no people 190000 people 16.2, 145.9 Guam
GREEN
1 26 Oct 2018 12:00 Category 4 231 no people no people 18.8, 145
Actual track of the current bulletin
The alert for forecast greater than 3 days is limited to Orange level.
Download:



Exposed population - AoIs

Exposed population in the potential affected countries, provinces and populated places

Countries

Country
Northern Mariana Is.

Provinces

Region Province Country
Northern Mariana Is. Northern Mariana Islands

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Nikko 18 0
Pagan Airstrip 10 0

Ports

Name LOCODE Country
Farallon de Medinilla Northern Mariana Islands
Guguan Island Northern Mariana Islands
Pagan Island Northern Mariana Islands

Rainfall

Rainfall accumulation of the past 24h, as detected by the Global Precipitation Measurement mission of NASA. For more information, see https://www.nasa.gov/mission_pages/GPM/main/index.html.

...

StormSurge

0.1 m

The maximum Storm surge height is  0.1m in Garapan, Northern Mariana Islands. This height is estimated for 25 Oct 2018 10:00 UTC .

The JRC has developed an experimental global storm surge model. The calculations are published about 20 minutes after a new advisory is detected by GDACS. The calculations identify the populated places affected by storm surge up to three days in advance, using the forecasted track. When forecasts change, the associated storm surge changes too and alert levels may go up or down. All links, data, statistics and maps refer to the latest available calculation. If the calculation for the last advisory is not completed, the latest available calculation is shown.

Locations affected by Storm surge (11 locations). Calculation based on advisory number 1 of 21 Oct 2018 12:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert Date (UTC) Name Country Storm surge height (m)
25 Oct 2018 10:00 Garapan Northern Mariana Islands  0.1
25 Oct 2018 10:00 Mutcho Northern Mariana Islands  0.1
25 Oct 2018 07:00 Aslito Northern Mariana Islands  0.1
25 Oct 2018 10:00 Tanapag Northern Mariana Islands  0.1
25 Oct 2018 10:00 San Roque Northern Mariana Islands  0.1
25 Oct 2018 07:00 Afetna Northern Mariana Islands  0.1
25 Oct 2018 05:00 Susupi Northern Mariana Islands  0.1
25 Oct 2018 05:00 Laolao Northern Mariana Islands  0.1
25 Oct 2018 05:00 Chalan Kanoa Northern Mariana Islands  0.1
25 Oct 2018 07:00 Saipan Northern Mariana Islands  0.1
25 Oct 2018 07:00 Kagman Northern Mariana Islands  0.1