BRIEF REPORT ON 2004/2005 FLOOD WATER EVENTS

A series of flood events occurred in Nevis due to the presence of severe weather systems over the entire Caribbean basin, between the 18th October and
the 20th November and in early June, 2005. In the 2004 period of approximately one (1) month, a total of 642.7 mm or 25.3 inches of rain fell, based on
the rain gauge at the Vance W. Amory International Airport. This resulted in moderate to extreme events that affected the road network around the island,
and specifically so in certain regions. Also affected were individual households at various locations around the island, where flood water inundated and
affected their lands, property, buildings and furniture.

Those regions included:
1. Charlestown (in particular Ramsbury, Newcut, Farms Estate, Stoney Grove)
2. Jessups to Cotton Ground along the island main road and in some major village roads
3. Cotton Ground to Cades Bay (along the island main road)
4. Cliff Dwellers to Oualie (along the island main road)
5. Cottle Long path to Nisbett’s  Plantation in Newcastle (along the island main road and minor village roads)
6. Liburd Hill to Fountain Ghaut, near Bricklyn
7. Matty Bottom near New River
8. Hanley’s Road and Rawlins
9. Church Ground, Brown Hill

REASONS FOR THE EXTREME FLOODING

The reasons for the observed extreme flooding are numerous and are detailed below:
1. Private construction in some cases has obstructed waterways and diverted water, resulting in erosion, overflowing of drainage ditches and flooding
2. Tropical cyclones over the last twelve years have visibly decimated the upper levels of the forests. The effect of this decimation is partly evidenced in
the increased stream flows during the rainy season. Roads to hillside properties have been major casualties of this situation
3. Lack of maintenance of drainage structures and road verges, including bridges, culverts, drains, ghauts, water courses
4. The deliberate and calculated diversion of waterways in private properties has forced the water to find new paths to discharge to the sea. Barriers have
been erected to prevent the water from flowing where it historically traversed. These changes to the courses and waterways are clearly illegal
5. Some culverts, bridges and drain have been under-designed (some severely) resulting in overtopping and backing up.
6. Inappropriate and in some cases illegal construction activities in critical areas
7. Discharge of garbage and debris into waterway, causing blockages and downstream accumulation
8. Lack of a clear cut responsibility for stewardship of the island waterways
9. Lack or deficiency of planning and implementation of flood mitigation measures
10. Lack or deficiency of suitable and appropriate equipment (light and heavy operated) in good working order
11. No or little attention paid to weather forecasts unless of a hurricane nature
12. The extreme (significantly more than normal) rainfall event

The worst areas which seriously affected vehicular traffic, based on observations and or reports, were as follows:

1. Newcut (overtopping, no drainage on Craddock road to Newcut junction)
2. Fort Ashby (severe overtopping, partly due to blockage by uprooted trees, but also possibly due to insufficient capacity )
3. The Pub (overtopping – under capacity culverts and no effective discharge to the sea)
4. The seawall south of Oualie Beach Hotel (severe overtopping – under capacity culverts with upstream culvert carrying capacity significantly greater
than the downstream capacity)
5. Oualie Beach Hotel (road blockage due to large rocks and debris field, as a result of recent roadway construction and excavations in a watershed area)
6. The culvert east of Shaws Road (severe overtopping partly due to debris blockage caused by the presence of utility lines immediately downstream of the
newly constructed culvert but also  possibly under capacity)
7. The culvert west on Newcastle Police Station (severe overtopping – under capacity with inadequate downstream discharge available)
8. Fountain Ghaut (severe overtopping due to blockage by uprooted trees and ghaut constriction)
9. Matty Bottom (sludge comprising silt and aggregate particles from quarry operations located upstream)


Flood definition: A general and temporary condition of partial or complete inundation of normally dry land areas from overflow of inland waters or from
the usual and rapid runoff of surface waters from rainfall.

= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

GENERAL AGENCY RESPONSIBILITIES

NEVIS DISASTER MANAGEMENT OFFICE

1. Determine evacuation zones and routes
2. Make arrangements with fuel suppliers
3. Agree and finalise arrangements with media houses for dissemination of information
4. Establish arrangements with Heavy Equipment owners and operators
5. Identify and determine roles of all critical agencies (in conjunction with all agencies)
6. Secure cell phones for critical disaster personnel
7. Introduce Hazard awareness and response in the school curriculum (safety basis)
8. Prepare a comprehensive public information and awareness program
9. Arrange for accurate and updated forecast (with Met Services)
10. Establish a weather information hotline (with Met Services)
11. Plan and establish community based information and response teams (with Community Affairs)
12. Obtain / update appropriate hazard and vulnerability maps per hazard (with Planning)
13. Plan and execute disaster training scenarios
14. Ensure emergency lighting equipment is available
15. Identify personnel for Emergency Operating Centre (EOC)
16. Compile and circulate equipment, transportation and warehouse supply database
17. Arrange necessary training through workshops
18. Arrange and test cross agency radio communications (in coordination with Radio Club)
19. Educate the public in matters concerning public health in flood conditions (with Health Dept)

ALL AGENCIES

1. Draft public information notices for radio and TV broadcast
2. Plan and communicate public notification measures
3. Draft/finalise plans and develop Standard Operation Procedures (SOP)
4. Ensure that sufficient supply of appropriate tools, equipment, spare parts and supplies are available
5. Draft “Standard Operating Procedures” (SOP), covering the various aspects of response
6. Ensure equipment in working order
7. Identify liaison officer and alternates per Agency
8. Agree on cross agency cooperation and assistance (in coordination with NDMO)
9. Agree radio procedures and protocols (in coordination with NDMO)

HEALTH DEPARTMENT/SOLID WASTE

1. Ensure that hospitals and Health Centers make and practice disaster plans
2. Educate the public in matters concerning public health in flood conditions
3. Ensure that drains and culverts are kept clean

METEOROLOGICAL SERVICES

1. Improve inclement weather forecasting notification (flood watches & warnings)

PUBLIC WORKS DEPARTMENT

1. Design and implement a Flood mitigation and control plan (island wide and by focus area)
2. Identify, plan and implement mitigation measures including road side, verge, drain, bridge, culvert and ghaut clearance
3. Identify flood problem areas, solutions and implement solutions on major and minor roads
4. Agree equipment pre-deployment plans for road clearance etc. (in coordination with NDMO)

CARIBBEAN CABLE COMMUNICATIONS

1. Make available the weather information on ABS Television (Antigua)

SPECIFIC AGENCY RESPONSIBILITIES

CABLE & WIRELESS

PRE-IMPACT PERIOD

1. Activate flood emergency plans and personnel
2. Provide/ensure secure communication links to EOC and other critical agencies
3. Assist with alerts for pagers and cell phones
4. Post images to selected contact persons (e.g. storm image)

DURING & POST IMPACT PERIOD

1. Post advisories with respect to downed lines and poles
2. Report on damages and quickly effect repairs
3. Assist with road clearance

CARIBBEAN CABLE COMMUNICATIONS

PRE-IMPACT PERIOD

1. Activate flood emergency plans and personnel
2. Provide all-weather channel information on a common channel (on NDMO request)
3. Broadcast Weather Advisories and alerts
4. Broadcast public awareness announcements

DURING & POST IMPACT PERIOD

1. Broadcast Weather Advisories, alerts and all clear
2. Broadcast public awareness announcements
3. Report on specific damages and quickly effect repairs
4. Assist in the broadcasting of NTV weather information and other critical information on Channel 8 outside normal broadcast hours

NEVIS WATER DEPARTMENT

PRE-IMPACT PERIOD

1. Activate flood emergency plans and personnel
2. Check generators (startup, fuel, battery condition etc)
3. Pre-deployment of equipment and vehicles
4. Issue protective gear/clothing to personnel
5. Top up water storage facilities (dams/tanks) if possible
6. Shut off water supplies immediately before (or during) the flood incident (if necessary)

DURING & POST-IMPACT PERIOD

1. Assist in damage assessment
2. Assist in road clearance
3. Report on damages and quickly effect repairs
4. Ensure that tests are performed prior to restoration of the water supply after a major flood event
5. Post necessary public announcements
6. Arrange for the provision of water (if required)

NEVLEC

PRE-IMPACT PERIOD

1. Activate flood emergency plans and personnel
2. Pre-deploy heavy equipment and vehicles (as required)

DURING & POST-IMPACT PERIOD

1. Assist in road clearance
2. De-energise electrical grid in specific areas (as required) from a safety point of view
3. Post advisories with respect to downed power lines, poles and power outages
4. Report on damages and quickly effect repairs

PUBLIC WORKS

PRE-IMPACT PERIOD

1. Activate flood emergency plans and personnel
2. Prepare to assist in Rescue Work in collaboration with Fire Services??
3. Assist with emergency transport as required (Supplies/Materials/personnel/equipment)
4. Assist in the evacuation of high risk/disabled persons??
5. Pre-deploy heavy equipment and vehicles
6. Provide fuel for all Government Departments, other entities as approved
7. Provide backup power systems – generators

DURING & POST-IMPACT PERIOD

1. Assist in Road clearance
2. Provide fuel for all Government Departments and other agencies as approved – agree on procedures and provide backup power
3. Assist in damage assessment
4. Coordinate repairs to roads and road structures and cordon off dangerous areas/roads as required
5. Report on damages and quickly effect repairs
6. Assist in search & rescue work in collaboration with Fire Services & Police
7. Provide emergency transportation as required (Supplies/Materials/personnel/equipment)
8. Demolish unsafe buildings/structures
9. Assist in evacuation operations, as required.
10. Coordinate the clearance of blocked culverts and bridges
11. Clear major and minor roads (using prioritized lists)
12. Assist in the de-watering of critical areas/locations/buildings

NEVIS HOUSING AND LAND DEVELOPMENT COMPANY

PRE-IMPACT PERIOD

1. Activate flood emergency plans and personnel
2. Assist with emergency transport as required (Supplies/Materials/personnel/equipment)
3. Pre-deploy heavy equipment and vehicles

DURING & POST-IMPACT PERIOD

1. Assist in Road clearance
2. Assist in damage assessment
3. Report on damages and assist with the repairs to roads and road structures
4. Provide emergency transportation
5. Assist in the demolition of unsafe buildings/structures
6. Assist in the clearance of blocked culverts and bridges
7. Assist in the clearance of major and minor roads
8. Assist in the de-watering of critical areas/locations/buildings
9. Provide temporary housing for displaced persons

NEVIS AIR & SEAPORT AUTHORITY

PRE-IMPACT PERIOD

1. Activate flood emergency plans and personnel
2. Ensure that all essential drainage channels are clear and unobstructed
3. Monitor all weather advisories and advise airlines, airport authorities and marine interests accordingly (including through the Fishermen Cooperatives)
4. Ensure that all small craft operators are advised of the impending conditions
5. Secure buildings and equipment from flooding impacts

DURING & POST-IMPACT PERIOD

1. Clear runway debris (if any) as quickly as possible
2. Report on damages and quickly effect or arrange repairs
3. Monitor and report on flooding impacts on surrounding areas
4. Remove small craft from water using cranes (if required)
5. Issue NOTAMS as required

METEOROLOGICAL SERVICES

PRE-IMPACT PERIOD

1. Activate flood emergency plans and personnel
2. Provide Weather Advisories and alerts to NDMO (by phone, fax and email)
3. Issue weather advisories via marine radio

DURING & POST IMPACT PERIOD

1. Provide updated Weather Advisories, alerts and “all clear”
2. Close airport operations as required
3. Disseminate appropriate information to appropriate agencies by the various media
4. Access various websites for information
a. wunderground.com
b. intellicast.com
c. noaa.gov
d. weather.com
e. Hurrtrak program
f. www.geocities.com/odpnevis

POLICE SERVICES

PRE-IMPACT PERIOD

1. Activate flood emergency plans and personnel
2. Ensure that all personnel and stations are advised of the impending flood conditions
3. Assign uniformed resources to manage traffic at flooded locations

DURING & POST IMPACT PERIOD

1. Coordinate with NDMO/Public Works on traffic arrangements (including road bypass & closures etc)
2. Collaborate in the drafting of public announcements
3. Report on specific damages
4. Contact Regional Security System and other local (e.g. Defense Force) and regional organizations for additional resources (if required)
5. Provide any necessary protection of life and property and prevent vandalism
6. Provide Traffic control near emergency areas, hospitals and critical areas
7. Assist in search & rescue work in collaboration with Fire & Rescue Services
8. Provide Crowd control where required
9. Assist in the Evacuation of persons in high risk areas and under threat
10. Provide Emergency ambulatory service as required
11. Provide security of essential services and vulnerable points
12. Assist in the co-ordination of telecommunication and warning systems
13. Provide the necessary personnel for curfew and “State of Emergency” (if required)

FIRE & RESCUE SERVICES

PRE-IMPACT PERIOD

1. Activate flood emergency plans and personnel
2. Contact all personnel and place on standby
3. Ensure equipment fully operational

DURING & POST IMPACT PERIOD

1. Report on specific damages
2. Respond to fire or other related reports where applicable (e.g. building flooding)
3. Coordinate search and rescue operations
4. Assist in evacuation of persons in high risk areas
5. Assist in the pumping out of floodwaters
6. Assist in the transportation of water for cleaning purposes
7. Assist in the clearance of culverts and drains

NEVIS DISASTER MANAGEMENT OFFICE

PRE-IMPACT PERIOD

1. Activate flood emergency plans and personnel
2. Notify all agencies of impending threat (via contact persons, text messaging, phone)
3. Provide relevant information on potential flood conditions
4. Ensure Weather Advisories and alerts are broadcasted
5. Activate EOC as required (including a full night shift)
6. Ensure phone information for Emergency Operating Centre (EOC)/Office disseminated via radio and TV
7. Notify community based response teams (for reporting on flood impacts to EOC)
8. Notify the Nevis Emergency Executive Committee (NEEC)
9. Contact water producers to increase production

DURING & POST IMPACT PERIOD

1. Coordinate all agencies to ensure a unified and effective response
2. Ensure updated Weather Advisories and alerts are broadcasted
3. Encourage the general public to “call-in” damage reports and critical situations requiring urgent actions
4. Record and pass-on reports on damages to relevant Agencies and record response
5. Issue notices for areas considered unsafe
6. Advise the general public and motorists on adverse situations
7. Advise Government and the Private sector as to potential closures (inc. schools)
8. Issue bulletins to all media outlets
9. Open shelters (if required)
10. Report on specific damages to agencies
11. Assess response post event (in collaboration with all agencies)
12. Establish District coordination centers (as required) in conjunction with District Committees
13. Advise the Chairman of the Nevis Disaster Management Committee as to events and responses
14. Contact NEMA (& CDERA) for additional resources (if required)
15. Distribute supplies (to performed by the appropriate Disaster committee)

HEALTH DEPARTMENT

PRE-IMPACT PERIOD

1. Activate flood emergency plans and personnel
2. Arrange for the prevention and/ or control of any outbreak of disease

DURING & POST IMPACT PERIOD

1. Provide First Aid in collaboration with the District Emergency Committees
2. Ensure water quality testing ( if considered necessary)
3. Issue notices for areas considered unhygienic
4. Arrangements for mass immunization, if required
5. Advise the general public on health matters
6. Recovery of bodies on land and sea (with the assistance of other agencies and personnel)?
7. Coordinate and direct any response to mass casualty event including arranging for mobile refrigeration units

RED CROSS (& Cadets)

PRE-IMPACT PERIOD

1. Activate flood emergency plans and personnel
2. Assist in the Evacuation of persons in high risk areas and under threat
3.

DURING & POST IMPACT PERIOD

1. Provide First Aid in collaboration with the District Emergency Committees
2. Advise the general public on health matters
3. Assist with the relocation of displaced persons
4. Assist in the Evacuation of persons in high risk areas and under threat
5. Assist in the distribution of relief supplies
NEVIS   FLOOD MANAGEMENT
PLAN 2005
(draft - being updated)
Return to Home Page
Return to Hazards Page