noaa’s national ocean service coastal tide stations support tsunami detection and warning kelly...
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NOAA’s National Ocean ServiceNOAA’s National Ocean ServiceCoastal Tide Stations Support Coastal Tide Stations Support
Tsunami Detection and WarningTsunami Detection and Warning
Kelly Stroker, NOAA National Geophysical Data Center (NGDC)
Allison Allen and Stephen Gill, NOAA National Ocean Service, Center for Operational Oceanographic Products and Services (CO-OPS)
NOAA’s National Weather ServiceNOAA’s National Weather ServiceTsunami Warning CentersTsunami Warning Centers
West Coast and Alaska Tsunami Warning Center
Pacific Tsunami Warning Center
National Water Level National Water Level ProgramProgram
National Water Level National Water Level Observation Network (NWLON) Observation Network (NWLON)
200 Permanent Stations200 Permanent Stations
APPLICATIONS SUPPORTED BY APPLICATIONS SUPPORTED BY THE NATIONAL OCEAN SERVICE’STHE NATIONAL OCEAN SERVICE’S
NWLONNWLON
FunctionFunction ApplicationApplicationNavigation/SafetyNavigation/Safety Real-Time Navigation,Real-Time Navigation,
Hydrographic Surveys, Hydrographic Surveys, Airborne Hydrography, Airborne Hydrography, HAZMAT Response ...etc.HAZMAT Response ...etc.
Environmental Assessment/Environmental Assessment/ Wetland Delineation, CoastalWetland Delineation, CoastalMonitoringMonitoring Zone Management; Enforcement, Zone Management; Enforcement,
Insurance, Storm Surge, Insurance, Storm Surge, Tsunami Warning…etc.Tsunami Warning…etc.
Basic & Applied ResearchBasic & Applied Research Modeling, Wetland Studies, Modeling, Wetland Studies, Global Warming Studies, Global Warming Studies, Sea Level Change, Estuarine/Sea Level Change, Estuarine/Hydrodynamic Studies…etc.Hydrodynamic Studies…etc.
National Water Level ProgramNational Water Level ProgramNWLON Measurement SystemsNWLON Measurement Systems
Continuous Operational Real-Continuous Operational Real-Time Monitoring System Time Monitoring System
(CORMS)(CORMS)
Bench Mark PhotosBench Mark Photos
NOS NOS Benchmark Benchmark LevelingLeveling
P/ATWC Specific NWLON P/ATWC Specific NWLON StationsStationsPost-1960Post-1960
NWLON stations directly connected NWLON stations directly connected to ATWCto ATWCNWLON and long term secondary NWLON and long term secondary stationsstations
Beginning in 2005, Beginning in 2005, there was an there was an emphasis on emphasis on
strengthening strengthening tsunami warning tsunami warning networks around networks around
the world.the world.
In the US and US territories, 16 In the US and US territories, 16 locations were identified for new locations were identified for new
NWLON sites, and 33 existing NWLONs NWLON sites, and 33 existing NWLONs were identified for upgrade to the new were identified for upgrade to the new
Xpert system.Xpert system.
Emergency mode transmits every six minutes with six minute averages
Upgrade
No emergency mode: transmits every six minutes with one and six minute averages
GOES GOES SatelliteSatellite
NESDIS NESDIS Wallops Island, VAWallops Island, VA
National PORTSNational PORTS® ® Database ServerDatabase ServerWater Level Water Level
StationStation
NWLON NWLON Database ServerDatabase Server
CORMS CORMS Quality Control OperatorQuality Control Operator
CO-OPS Web PageCO-OPS Web Page
DOMSAT SeattleDOMSAT SeattleDOMSAT ChesapeakeDOMSAT Chesapeake
NWS DOMSATNWS DOMSATNWSTG ServerNWSTG Server
Tide Data Path through CO-OPS
Tsunami Warning CentersTsunami Warning Centers
(6) Averaged 1-min WL values plus(1) Averaged 6-min WL value
Every 6 minutes for our stations in AK, West Coast and Pacific Islands
CO-OPS Tsunami Web PageCO-OPS Tsunami Web Page(in its final review stages)(in its final review stages)
Sutron Xpert DCPs:(both record 6-min averaged data)
-primary - also records 1-min values-backup - 15 sec average (not transmitted, but available via phone or direct serial connection)
FTP ServerFTP Server
Sitka, AK
Yakutat, AK
Seward, AK
Cordova, AK
Kodiak, AK
Sand Point, AK
Unalaska, AK
Adak, AK
Atka, AKNikolski, AK
King Cove, AK
Elfin Cove, AK
Port Alexander, AKAlitak, Kodiak, AK
ALASKA
Hilo, HIKawaihae, HI
Kahului, HIHonolulu, HI
Mokuoloe, HINawiliwili, HI
Midway
Kwajalein
Pago Pago
Guam
Wake Island
HAWAII
PACIFIC ISLANDS
Neah Bay, WA
Toke Point, WA
South Beach, OR
Port Orford, OR
Charleston, OR
Los Angeles, CA
La Jolla, CA
Arena Cove, CA
Santa Monica, CASanta Barbara, CA
Westport, WA
La Push, WA
Garibaldi, OR
Port San Luis, CA
Monterey, CA
Point Reyes,CA
North Spit,CA
Crescent City,CA
WEST COAST
PUERTO RICO &VIRGIN ISLANDS
NOAA’s 49 NATIONAL WATER LEVEL OBSERVATION NETWORK
TSUNAMI TIDE STATIONS
New Stations with Tsunami capability (16)
Existing Stations with Tsunami capability (33)
Mona IslandAguadilla PierCulebra
Vieques, Esperanza
St. John
St.Croix
NOAA Caribbean Tide StationsNOAA Caribbean Tide StationsSupporting TsunamiSupporting Tsunami
Lime Tree Bay,St. Croix
Puerto Rico
Charlotte Amalie,St. Thomas
Current Tsunami Tide Stations
Expanded Tsunami Tide Stations
Mona Island
Vieques Island
Culebra IslandAguadilla
Lameshur Bay,St. John
Magueyes Island
San Juan
Christiansted,St. Croix
CO-OPS Tsunami Web PageCO-OPS Tsunami Web Page
Midway Islands
CO-OPS Performs CO-OPS Performs Harmonic Analysis Harmonic Analysis on DART data to on DART data to “detide” the signal “detide” the signal and enhance and enhance tsunami observation tsunami observation capabilitiescapabilities
SummarySummary
• The NOS has been a pro-active force in The NOS has been a pro-active force in National hazard warning.National hazard warning.
• Technology upgrades are enhancing the Technology upgrades are enhancing the ability of the multi-mission NWLON to ability of the multi-mission NWLON to meet emerging challenges.meet emerging challenges.
• With new and upgraded NWLON, the NOS With new and upgraded NWLON, the NOS looks forward to the continuance of looks forward to the continuance of protecting America’s citizens and coasts.protecting America’s citizens and coasts.
Thank YouThank You
Please contact Allison Allen with Please contact Allison Allen with questions:questions:
[email protected] x166301-713-2890 x166