Saturday, March 13, 2010

Nor'easter at Ambrose Light - Entrance to NY Harbor

Significant wave height: 16.1 feet
Gust: 52.6 kts
images: NOAA - graphs of wind gusts and wave steepness at Ambrose Light data buoy. click on icons below for more graphs of the March 13 storm

Station 44065 (LLNR 725) - Entrance to New York Harbor Image indicating link to RSS feed of recent meteorological observations for station 44065

NY Harbor Approach (Ambrose Light)

Station 44065
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yellow diamond Currently selected station
yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
     (24 hours for tsunami stations)
Owned and maintained by National Data Buoy Center
3-meter discus buoy
ARES payload
40.369 N 73.703 W (40°22'10" N 73°42'10" W)

Site elevation: sea level
Air temp height: 4 m above site elevation
Anemometer height: 5 m above site elevation
Barometer elevation: sea level
Sea temp depth: 0.6 m below site elevation
Water depth: 50 m
Watch circle radius: 90 yards
Right whales are active off NY.  Speed restrictions of 10 knots apply to vessels 65 feet or greater in specific areas along the mid-Atlantic coast.  To learn more about right whales and rules protecting them, go to:
The QuikSCAT wind data are no longer available.

Conditions at 44065 as of (12:50 am EST) 0550 GMT on 03/14/2010:
Unit of Measure:    Time Zone:   
Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
5-day plot - Wind DirectionWind Direction (WDIR):ENE ( 60 deg true )
5-day plot - Wind SpeedWind Speed (WSPD):17.5 kts
5-day plot - Wind GustWind Gust (GST):25.3 kts
5-day plot - Wave HeightWave Height (WVHT):15.7 ft
5-day plot - Dominant Wave PeriodDominant Wave Period (DPD):12 sec
5-day plot - Average PeriodAverage Period (APD):7.7 sec
5-day plot - Mean Wave DirectionMean Wave Direction (MWD):SE ( 138 deg true )
5-day plot - Atmospheric PressureAtmospheric Pressure (PRES):29.40 in
5-day plot - Pressure TendencyPressure Tendency (PTDY):-0.02 in ( Falling )
5-day plot - Air TemperatureAir Temperature (ATMP):43.5 °F
5-day plot - Water TemperatureWater Temperature (WTMP):39.6 °F
5-day plot - Dew PointDew Point (DEWP):42.8 °F
5-day plot - Wind ChillWind Chill (CHILL):35.1 °F
5-day plot - Wind Speed, Wind Gust and Atmospheric PressureCombined plot of Wind Speed, Gust, and Air Pressure
Continuous Winds
5-day plot - Wind Direction WDIR5-day plot - Wind Speed WSPD
12:50 amENE ( 62 deg )18.5 kts
12:40 amENE ( 78 deg )21.6 kts
12:30 amENE ( 70 deg )22.7 kts
12:20 amENE ( 68 deg )19.6 kts
12:10 amENE ( 59 deg )21.4 kts
12:00 amENE ( 62 deg )24.3 kts
Peak gust during the measurement hour
5-day plot - Gust Direction GDR5-day plot - Gust Speed GST
12:33 amE ( 80 deg )33.0 kts
Previous observations
5-day plot - Wind Direction5-day plot - Wind Speed5-day plot - Wind Gust5-day plot - Wave Height5-day plot - Dominant Wave Period5-day plot - Average Period5-day plot - Mean Wave Direction5-day plot - Atmospheric Pressure5-day plot - Pressure Tendency5-day plot - Air Temperature5-day plot - Water Temperature5-day plot - Dew Point5-day plot - Salinity5-day plot - Visibility5-day plot - Tide (above MLLW)
031311:50 pm  ENE25.335.015.7107.5SE29.40-0.0344.139.742.6---
031310:50 pm  ENE31.136.916.7107.7SE29.39-0.0343.539.942.4---
03139:50 pm  E33.038.917.7108.0SE29.41+0.0044.139.943.2---
03138:50 pm  E35.040.8----29.43+0.0244.439.743.3---
03137:50 pm  E35.046.619.4118.1SE29.42+0.0144.839.743.3---
03136:50 pm  E35.046.619.4107.9SE29.41-0.0345.339.944.1---
03135:50 pm  E36.946.616.7117.5SSE29.41-0.0545.139.944.1---
03134:50 pm  E38.952.4----29.41-0.1245.139.944.1---
03133:50 pm  ENE38.948.616.197.0SE29.44-0.1944.440.143.7---
03132:50 pm  ENE38.948.6----29.45-0.1944.140.142.4---
03131:50 pm  ENE36.948.6----29.53-0.1543.740.143.2---
031312:50 pm  ENE29.136.914.4117.3SSE29.63-0.0744.140.143.2---
031311:50 am  E33.042.7----29.64-0.1043.740.143.0---
031310:50 am  E33.042.7----29.68-0.0744.140.143.0---
03139:50 am  E35.044.713.186.6SE29.70-0.0643.340.142.1---
03138:50 am  ENE31.138.9----29.74-0.0642.639.941.5---
03137:50 am  ENE33.038.9----29.75-0.0641.739.939.6---
03136:50 am  ENE33.042.710.886.0ESE29.77-0.0541.539.940.3---
03135:50 am  E31.138.9----29.80-0.0541.539.940.3---
03134:50 am  ENE31.138.9----29.82-0.0741.039.739.9---
03133:50 am  ENE31.138.9----29.82-0.1040.839.739.7---
03132:50 am  ENE31.136.910.885.9ESE29.85-0.0841.239.740.1---
03131:50 am  ENE29.133.0----29.89-0.0540.639.738.5---

Detailed Wave Summary for 44065 as of (1:00 am EST) 0600 GMT on 03/14/2010:
These wave data are displayed in rounded times.
Unit of Measure:    Time Zone:   
Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
5-day plot - Significant Wave HeightSignificant Wave Height (WVHT):15.7 ft
5-day plot - Swell HeightSwell Height (SwH):12.5 ft
5-day plot - Swell PeriodSwell Period (SwP):12.1 sec
5-day plot - Swell DirectionSwell Direction (SwD):SE
5-day plot - Wind Wave HeightWind Wave Height (WWH):9.5 ft
5-day plot - Wind Wave PeriodWind Wave Period (WWP):7.7 sec
5-day plot - Wind Wave DirectionWind Wave Direction (WWD):ESE
5-day plot - Wave SteepnessWave Steepness (STEEPNESS):AVERAGE
5-day plot - Average Wave PeriodAverage Wave Period (APD):7.7 sec