Collaborative disaster management
activities against flood by JMA
with related governmental organizations

Hisaki EITO

Japan Meteorological Agency
Session O2-4: Contribution from meteorology, hydrology and DRR for the Platform on Water Resilience and Disasters
The 2nd World Bosai Forum, Sendai, Japan, November 11, 2019

Disasters and meteorological information
for disaster management in Japan• Timing and areas for evacuation are shown in concrete in Guidelines
for Evacuation Recommendations created by the Cabinet Office.

2Use of meteorological information for disastermanagement related to flood in Japan• JMA issues flood forecasts in cooperation with MLIT or prefectures
for rivers under government control which has large basin area andmay suffer great damage due to flood.

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Use of meteorological information for disastermanagement related to flood in Japan
Information type for rivers with flood forecast

4Use of meteorological information for disastermanagement related to flood in Japan• For other rivers, river water level information from MLIT andothers and JMA’s Real-time risk map for flood are available.

From MLIT andLocal governments

From JMA
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JMA’s Real-time risk map
Risk-based information
Landslide (2015-)

Inundation (2017-)

Flood (2017-)

Risk Map

Related Disaster
Ono River(photo: provided by Hita city officer)

Resolution/Update
Interval/Lead time

1 km/10 min/2 hours

1 km/10 min/1 hour

1 km/10 min/3 hours• Spatially specific information about risk-level of landslide, inundationand flood in colors using a standardized color code.
• Colored-grid information indicating how close current and forecasted
hazards potential is to pre-defined warning criterion at each point.
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IFI Platform
Platform on Water Resilience and Disasters
High-Level Policy-Maker

Community ofPractice

Policy-making

2. ModelDevelopmentpresent
Societal Change(land use, population)

past

Monitoring
Identification

Integrated Risk Assessment
1. DataArchiving

DamageHazardSocioEconomic

High-Level Practitioner

Prediction

Climate Change

Capacity Building

futureInterdisciplinary

Transdisciplinary

3. Societal
BenefitCreation

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Started in 2019; expectation of the projectRisk-based information
Landslide (2015-)

Inundation (2017-)

Flood (2017-)

Risk Map

Related Disaster
Ono River(photo: provided by Hita city officer)

Resolution/Update
Interval/Lead time

1 km/10 min/2 hours

1 km/10 min/1 hour

1 km/10 min/3 hours• Risk map requires disaster statistics to grasp the vulnerability.
• In IFI platform, various data are collected from related hydro-, metand DRR organization, which are useful for investigating local
vulnerability and creating warning criteria.

8Decision support service for governments
JETT (JMA Emergency Task Team) since 1 May 2018
Office of river, land, etc.
Prefectures

Cities and Towns

Local Met. Emergency info. Comprehension
and Briefing
Officesof information
Close coordination on ordinary times

Appropriate
decision-making

Timely/appropriate
Evacuation Advisories

Media collaboration
Formulation and delivery of informationJETT(JMA Emergency Task Team)

Cooperate Branch Office
Municipal
OfficePrefecturalOfficeDetailed weather
information on-sitewhen disasterconditions are expected.

Local Met.
OfficeForecasters orother experts

Other Local
MeteorologicalOffice9