Overall Green Tropical Cyclone alert for OLIVIA-18 in United States from 01 Sep 2018 03:00 UTC to 12 Sep 2018 12:00 UTC

GDACS JTWC

Impact Single TC

GFS
HWRF
ECMWF

Impact based on all weather systems in the area

Impact

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

Meteorological source	GDACS
Exposed countries	United States
Exposed population	No people in Category 1 or higher
Maximum wind speed	213 km/h
Maximum storm surge
Vulnerability	Low (United States)

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	74 km/h	n.a.	n.a.	0.5
Overall	213 km/h	0.0 m	n.a.	0.5
Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track) based on GDACS impact

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Wind

74 km/h Current Max.

Up to 1.3 million people in Tropical Storm strength or higher (see SSHS)

Impact Timeline

N°	Date (UTC)	Max Winds (km/h)	Population in Tropical Storm or higher	Population in Cat 1. or higher	Countries
33	08 Sep 2018 18:00	139	1 million	No people	United States
34	09 Sep 2018 00:00	130	1.2 million	No people	United States
35	09 Sep 2018 06:00	130	840 thousand	No people	United States
36	09 Sep 2018 12:00	130	360 thousand	7 thousand	United States
37	09 Sep 2018 18:00	120	1.3 million	No people	United States
38	10 Sep 2018 00:00	120	1.3 million	No people	United States
39	10 Sep 2018 06:00	139	1.4 million	No people	United States
40	10 Sep 2018 12:00	139	1.3 million	1 thousand	United States
41	10 Sep 2018 18:00	120	1.3 million	No people	United States
42	11 Sep 2018 00:00	111	1.2 million	No people	United States
43	11 Sep 2018 06:00	111	1.3 million	No people	United States
44	11 Sep 2018 12:00	102	1.1 million	No people	United States
45	11 Sep 2018 18:00	93	1.2 million	No people	United States
46	12 Sep 2018 00:00	83	1.2 million	No people	United States
47	12 Sep 2018 06:00	74	420 thousand	No people	United States
48	12 Sep 2018 12:00	74	1.3 million	No people	United States

Bulletin Timeline

N°	Date (UTC)	Category (SSHS)	Max winds (km/h)	Population in Cat.1 or higher	Population in Tropical Storm or higher	Location (lat, lon)	Countries
1	01 Sep 2018 00:00	Tropical depression	56	no people	no people	14.2, -108.2
2	01 Sep 2018 06:00	Tropical depression	56	no people	no people	14.5, -109
3	01 Sep 2018 12:00	Tropical depression	56	no people	no people	14.8, -109.6
5	01 Sep 2018 18:00	Tropical depression	56	no people	no people	14.8, -110.6
6	02 Sep 2018 06:00	Tropical storm	74	no people	no people	15.8, -111.9
7	02 Sep 2018 12:00	Tropical storm	74	no people	no people	16.9, -112.2
8	02 Sep 2018 18:00	Tropical storm	74	no people	<1000 people	16.9, -113.1
9	03 Sep 2018 00:00	Tropical storm	74	no people	<1000 people	17, -113.4
10	03 Sep 2018 06:00	Tropical storm	74	no people	<1000 people	17, -113.9
11	03 Sep 2018 12:00	Tropical storm	93	no people	<1000 people	16.5, -114.3
12	03 Sep 2018 18:00	Tropical storm	111	no people	<1000 people	16.6, -114.9
13	04 Sep 2018 00:00	Category 1	120	no people	<1000 people	16.8, -115.5
14	04 Sep 2018 06:00	Category 1	130	no people	no people	16.9, -116.7
15	04 Sep 2018 12:00	Category 2	167	no people	no people	17, -117.7
16	04 Sep 2018 18:00	Category 3	185	no people	no people	16.9, -118.7
17	05 Sep 2018 00:00	Category 3	204	no people	no people	16.7, -119.6
18	05 Sep 2018 06:00	Category 3	185	no people	no people	16.8, -120.7
19	05 Sep 2018 12:00	Category 2	176	no people	no people	17, -121.8
20	05 Sep 2018 18:00	Category 2	157	no people	no people	17.3, -122.9
21	06 Sep 2018 00:00	Category 2	157	no people	no people	17.5, -124
22	06 Sep 2018 06:00	Category 2	167	no people	no people	17.9, -125.2
24	06 Sep 2018 12:00	Category 3	194	no people	no people	18.2, -126.6
25	06 Sep 2018 18:00	Category 3	204	no people	no people	18.4, -127.9
26	07 Sep 2018 00:00	Category 4	213	no people	no people	18.9, -129.1
27	07 Sep 2018 06:00	Category 3	204	no people	no people	19.4, -130.5
28	07 Sep 2018 12:00	Category 3	185	no people	no people	19.9, -131.8
29	07 Sep 2018 18:00	Category 2	176	no people	no people	20.3, -133.2
30	08 Sep 2018 00:00	Category 2	157	no people	no people	20.7, -134.5
31	08 Sep 2018 06:00	Category 1	148	no people	no people	21.1, -135.9
32	08 Sep 2018 12:00	Category 1	139	no people	no people	21.3, -137.3
33	08 Sep 2018 18:00	Category 1	139	no people	no people	21.6, -138.7
34	09 Sep 2018 00:00	Category 1	130	no people	no people	21.8, -140.3
35	09 Sep 2018 06:00	Category 1	130	no people	no people	21.8, -141.8
36	09 Sep 2018 12:00	Category 1	120	no people	no people	21.8, -143.2
37	09 Sep 2018 18:00	Category 1	120	no people	no people	21.7, -144.5
38	10 Sep 2018 00:00	Category 1	120	no people	no people	21.7, -145.6
39	10 Sep 2018 06:00	Category 1	139	no people	no people	21.7, -146.5
40	10 Sep 2018 12:00	Category 1	139	no people	no people	21.7, -147.5
41	10 Sep 2018 18:00	Category 1	120	no people	no people	21.7, -148.2
42	11 Sep 2018 00:00	Tropical storm	111	no people	no people	21.9, -149.2
43	11 Sep 2018 06:00	Tropical storm	111	no people	no people	21.9, -149.7
44	11 Sep 2018 12:00	Tropical storm	102	no people	no people	21.9, -150.7
45	11 Sep 2018 18:00	Tropical storm	93	no people	120000 people	21.6, -152	United States
46	12 Sep 2018 00:00	Tropical storm	83	no people	360000 people	21.2, -153.9	United States
47	12 Sep 2018 06:00	Tropical storm	74	no people	350000 people	20.9, -154.3	United States
48	12 Sep 2018 12:00	Tropical storm	74	no people	1.3 million people	21, -155.1	United States
48	13 Sep 2018 00:00	Tropical storm	74	no people	1.2 million people	20.6, -157.6	United States
48	13 Sep 2018 12:00	Tropical storm	65	no people	no people	20, -160.4
48	14 Sep 2018 00:00	Tropical depression	56	no people	no people	19.6, -163.1
48	14 Sep 2018 12:00	Tropical depression	56	no people	no people	19.6, -166
48	15 Sep 2018 12:00	Tropical depression	56	no people	no people	20.5, -171.5
48	16 Sep 2018 12:00	Tropical depression	56	no people	no people	21, -177

Actual track of the current bulletin

The alert for forecast greater than 3 days is limited to Orange level.

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Exposed population - AoIs

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

Countries

Country
United States

Provinces

Region Province	Country
Hawaii	United States

Populated places

Name	Region Province	Country	City class	Population
Puunene	Hawaii	United States	City	-
Hilo	Hawaii	United States	City	41000 people
Kahului	Hawaii	United States	City	20000 people
Wailuku	Hawaii	United States	City	12000 people
Lahaina	Hawaii	United States	City	9100 people
Kaneohe	Hawaii	United States	City	35000 people
Honolulu	Hawaii	United States	Major city	370000 people
Aiea	Hawaii	United States	City	9000 people
Pearl City	Hawaii	United States	City	31000 people
Waipahu	Hawaii	United States	City	33000 people
Ewa	Hawaii	United States	City	-
Wahiawa	Hawaii	United States	City	16000 people
Nanakuli	Hawaii	United States	City	11000 people

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)
Hana	HNM	23	Civ.	Paved	No	3600
Honokaa Airstrip		439				0
Upper Paauilo Airstrip		463				0
Upolu	UPP	29	Civ.	Paved	No	3800
Peleau		332				0
Kamuela	MUE	814	Civ.	Paved	No	5100
Pepeekeo Airstrip		206				0
Mauna Kea-Honolii		427				0
Lucy Henriques Medical Center		853				0
Kahului	OGG	16	Civ.	Paved	Yes	7000
Hilo International	ITO	12	Civ.	Paved	Yes	9800
Hilo Hospital		148				0
Waikoloa		33				0
Bradshaw AAF	BSF	1886	Civ.	Paved	No	3600
Puu Waa Waa Ranch		686				0
Kaupulehu		13				0
Kapalua West Maui	JHM	78				0
Keahole	KOA	13	Civ.	Paved	Yes	11000
Lanai	LNY	399	Civ.	Paved	Yes	5000
Kalaupapa	LUP	7				0
Molokai	MKK	138	Civ.	Paved	Yes	4400
Panda		76				0
Waimanalo Bellows	BLW	unknown				0
Kaneohe Bay Mcas		5	Mil.	Paved	Yes	7700
The Queen's Medical Center		31				0
Kualoa Ranch		38				0
Moanalua Medical Center		5				0
Honolulu International	HNL	4	Civ.	Paved	Yes	12300
Ford Island Alf		5				0
Kahuku Hospital		12				0
Wheeler AFB	HHI	255	Mil.	Paved	Yes	5600
Kalaeloa (John Rodgers Field)	JRF	10	Civ.	Paved	Yes	8400
Turtle Bay Hilton		4				0
Dillingham	HDH	5	Mil.	Paved	No	9000

Ports

Name	LOCODE	Country
Hana		Wake Island
Honokaa		Wake Island
Mahukona		Wake Island
Kawaihae	USKWH	Wake Island
Hilo	USITO	Wake Island
Kahului		Wake Island
Kiholo		Wake Island
Lahaina		Wake Island
Pukoo		Wake Island
Kailua		Wake Island
Kamalo		Wake Island
Kaumalapau Harbor		Wake Island
Kaunakakai		Wake Island
Honolulu	USHNL	Wake Island
Clarion Island		Mexico

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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.

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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 (0 locations). Calculation based on advisory number 3 of 01 Sep 2018 12:00:00 UTC. (Simulation using 6 minute resolution)

Alert

Date (UTC)

Name

Country

Storm surge height (m)