Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage NDBC Title GraphicClick to go to NDBC home page   Select to go to the NWS homepage
Home News Organization
 
 
    
    Station List

 Observations
    Mobile Access
    Obs via Google Maps
    Classic Maps
         Recent
         Historical
         DART®
         Oil & Gas ADCP
    Obs Search
    Ship Obs Report
    Gliders
    BuoyCAMs Image indicating link to BuoyCAMs page
    TAO
    DODS
    OceanSITES
    HF Radar
    OSMC
    Dial-A-Buoy
    RSS Feeds Image indicating link to RSS feed access page
    Obs Web Widget
    Email Access

 Station Status
    NDBC Maintenance
    NDBC Platforms
    Partner Platforms

 Program Info
    Facebook Logo
    NDBC on Facebook
    About NDBC
     Met/Ocean
          Moored Buoy
          C-MAN
    TAO
    DART®
    VOS
    CSP
    IOOS® Program
    IOOS® DAC

 Publications
    NDBC DQC Handbook
    Hurricane Data Plots
    Mariners Weather
      Log

    Observing
      Handbook No. 1


 Science Education

 NDBC Director
 FAQ
 Media Inquiries
 Contact Us
 Visitor Information
 Links
 
USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.

Station PPTA1 - Perdido Pass, AL Image indicating link to RSS feed of recent meteorological observations for station PPTA1

Large icon indicates selected station.
yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
     (24 hours for tsunami stations)

Station operated by Dauphin Island Sea Lab
Water Quality Station
30.279 N 87.556 W (30°16'44" N 87°33'21" W)

Air temp height: 5.42 m above site elevation
Anemometer height: 12.23 m above site elevation
Barometer elevation: 2.36 m above mean sea level

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station PPTA1


Conditions at PPTA1 as of
2000 GMT on 04/01/2015:
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 Direction Wind Direction (WDIR): S ( 180 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 4.1 m/s
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES): 1019.3 mb
5-day plot - Pressure Tendency Pressure Tendency (PTDY): -1.4 mb ( Falling )
5-day plot - Air Temperature Air Temperature (ATMP): 23.7 °C
5-day plot - Salinity Salinity (SAL): 33.37 psu
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
5-day plot - Wind Direction 5-day plot - Wind Speed 5-day plot - Wind Gust 5-day plot - Wave Height 5-day plot - Dominant Wave Period 5-day plot - Average Period 5-day plot - Mean Wave Direction 5-day plot - Atmospheric Pressure 5-day plot - Pressure Tendency 5-day plot - Air Temperature 5-day plot - Water Temperature 5-day plot - Dew Point 5-day plot - Salinity 5-day plot - Visibility 5-day plot - Tide (above MLLW)
MM DD TIME
(GMT)
   WDIR WSPD
m/s
GST
m/s
WVHT
m
DPD
sec
APD
sec
MWD PRES
mb
PTDY
mb
ATMP
°C
WTMP
°C
DEWP
°C
SAL
psu
VIS
km
TIDE
m
04011930    S 5.1-----1019.6- 23.8-- 32.50--
04011900    S 5.1-----1019.3 -1.0 23.9-- 33.81--
04011830    S 5.1-----1020.0- 23.6-- 33.82--
04011800    S 3.6-----1020.3 +0.0 22.8-- 32.62--
04011730    S 4.1-----1019.6- 22.9-- 33.38--
04011700    S 3.6-----1020.6 +0.0 22.3-- 33.76--
04011630    S 3.6-----1020.3- 22.4-- 30.59--
04011600    S 3.6-----1020.3 +0.3 22.2-- 30.96--
04011530    S 3.1-----1020.3- 22.1-- 27.04--
04011500   SSE 2.1-----1020.3 +0.7 22.3-- 27.37--
04011430    E 1.0-----1020.6- 22.9-- 27.32--
04011400    NE 1.0-----1020.6 +2.7 22.1-- 26.03--
04011330   NNE 2.1-----1020.3- 20.1-- 26.47--
04011300    N 2.1-----1020.0 +2.0 19.9-- 28.07--
04011230    NE 1.5-----1019.6- 19.6-- 27.39--
04011200   NNE 2.1-----1019.6 +3.0 19.6-- 29.04--
04011130   NNW 1.0-----1019.0- 19.6-- 28.04--
04011100    W 1.0-----1018.0 +0.7 19.4-- 28.89--
04011030    W 1.5-----1018.0- 19.7-- 30.01--
04011000    W 2.1-----1018.0 +1.0 20.1-- 29.37--
04010930    W 2.1-----1017.3- 20.3-- 29.78--
04010900   WSW 4.1-----1016.6 -0.3 20.5-- 32.17--
04010830   WSW 3.6-----1016.9- 20.6-- 32.68--
04010800   WSW 4.1-----1017.3 -0.7 20.8-- 32.45--
04010730   WSW 4.1-----1016.9- 20.9-- 32.61--
04010700   WSW 3.6-----1016.9 -2.0 20.9-- 32.77--
04010630   WSW 4.1-----1016.9- 21.0-- 32.55--
04010600   WSW 3.6-----1016.9 -2.0 21.1-- 32.86--
04010530   WSW 4.6-----1017.3- 21.3-- 32.78--
04010500   WSW 3.1-----1018.0 +0.0 21.2-- 33.02--
04010430   WSW 3.6-----1018.3- 21.3-- 33.90--
04010400   WSW 2.6-----1019.0 +1.7 21.4-- 33.79--
04010330   WSW 2.1-----1019.0- 21.6-- 33.70--
04010300   WSW 3.1-----1019.0 +2.0 21.6-- 33.83--
04010230   WSW 3.1-----1018.3- 21.5-- 33.78--
04010200   WSW 2.1-----1018.0 +1.0 21.5-- 33.67--
04010130   WSW 2.1-----1018.0- 21.5-- 33.80--
04010100    SW 1.0-----1017.3 +0.0 21.3-- 33.52--
04010030    SW 1.0-----1016.9- 21.3-- 33.71--
04010000   SSW 1.0-----1016.9 -1.0 21.5-- 33.63--
03312300   SSW 1.5-----1016.9 -1.4 22.7-- 33.71--
03312230   SSW 1.5-----1017.3- 22.5-- 33.57--
03312200   SSW 1.5-----1017.3 -2.4 23.0-- 33.53--
03312130   SSW 2.1-----1018.0- 23.2-- 33.52--
03312100    SW 1.5-----1018.0 -2.4 22.1-- 33.28--

Ocean Conditions at PPTA1 as of
2000 GMT on 04/01/2015:

These oceanographic 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.

 Depth (DEPTH): 1.1 m
5-day plot - Ocean TemperatureOcean Temperature (OTMP):20.83 °C
5-day plot - SalinitySalinity (SAL):33.37 psu
5-day plot - Oxygen Concentration (O2PCT)Oxygen Concentration (O2PCT):104.1%
5-day plot - Oxygen Concentration (O2PPM)Oxygen Concentration (O2PPM): 7.66 ppm
Previous observations
5-day plot - Ocean Temperature 5-day plot - Conductivity 5-day plot - Salinity 5-day plot - Oxygen Concentration (O2PCT) 5-day plot - Oxygen Concentration (O2PPM) 5-day plot - Chlorophyll 5-day plot - Turbidity 5-day plot - pH 5-day plot - Eh
MM   DD    TIME
(GMT)
DEPTH
m
       OTMP
°C
   COND
mS/cm
  SAL
psu
  O2%
%
   O2PPM
ppm
CLCON
ug/l
TURB
FTU
PH EH
mv
04011930 1.021.01-32.50105.00 7.73----
04011900 1.020.32-33.81105.30 7.80----
04011830 1.120.06-33.82104.70 7.79----
04011800 1.120.50-32.62101.00 7.51----
04011730 1.120.15-33.38102.40 7.63----
04011700 1.119.94-33.76100.60 7.51----
04011630 1.121.05-30.5991.70 6.83----
04011600 1.120.96-30.9689.90 6.69----
04011530 1.120.88-27.0489.10 6.79----
04011500 1.120.85-27.3788.50 6.74----
04011430 1.120.80-27.3284.90 6.48----
04011400 1.120.84-26.0387.40 6.71----
04011330 1.120.81-26.4789.90 6.89----
04011300 1.120.64-28.0787.40 6.65----
04011230 1.120.70-27.3986.40 6.60----
04011200 1.120.66-29.0486.60 6.56----
04011130 1.120.64-28.0488.40 6.73----
04011100 1.120.64-28.8990.80 6.88----
04011030 1.120.61-30.0186.40 6.51----
04011000 1.120.63-29.3791.90 6.95----
04010930 1.120.66-29.7893.60 7.05----
04010900 1.120.63-32.1791.90 6.83----
04010830 1.120.54-32.6887.90 6.53----
04010800 1.120.63-32.4586.70 6.43----
04010730 1.120.60-32.6190.10 6.69----
04010700 1.120.55-32.7777.40 5.74----
04010630 1.120.66-32.5592.00 6.82----
04010600 1.120.54-32.8688.30 6.55----
04010530 1.120.59-32.7893.20 6.91----
04010500 1.120.54-33.0292.00 6.81----
04010430 1.120.12-33.9091.40 6.79----
04010400 1.120.23-33.7988.80 6.59----
04010330 1.120.32-33.7094.80 7.02----
04010300 1.120.25-33.8393.10 6.90----
04010230 1.220.30-33.7890.40 6.70----
04010200 1.120.37-33.6792.70 6.87----
04010130 1.120.33-33.8092.90 6.88----
04010100 1.120.49-33.5293.50 6.92----
04010030 1.120.43-33.7195.50 7.07----
04010000 1.120.48-33.6397.20 7.19----
03312330 1.120.56-33.4897.50 7.20----
03312300 1.120.38-33.7199.50 7.36----
03312230 1.120.44-33.57100.30 7.42----
03312200 1.120.51-33.53101.00 7.46----
03312130 1.120.40-33.5298.80 7.32----
03312100 1.120.52-33.28100.30 7.42----

Solar Radiation Conditions at PPTA1 as of
2000 GMT on 04/01/2015:
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 - Short Wave Radiation 1Short Wave Radiation 1 (SRAD1): 713.0watts/meter2
Previous observations
5-day plot - Short Wave Radiation 1 5-day plot - Short Wave Radiation 2 5-day plot - Long Wave Radiation
MM   DD    TIME
(GMT)
  SRAD1
w/m2
   SWRAD
w/m2
    LWRAD
w/m2
04011930 819.0--
04011900 862.0--
04011830 885.0--
04011800 896.0--
04011730 894.0--
04011700 874.0--
04011630 836.0--
04011600 778.0--
04011530 707.0--
04011500 719.0--
04011430 553.0--
04011400 431.0--
04011330 133.0--
04011300 230.0--
04011230 130.0--
04011200 16.0--
04011130 0.0--
04011100 0.0--
04011030 0.0--
04011000 0.0--
04010930 0.0--
04010900 0.0--
04010830 0.0--
04010800 0.0--
04010730 0.0--
04010700 0.0--
04010630 0.0--
04010600 0.0--
04010530 0.0--
04010500 0.0--
04010430 0.0--
04010400 0.0--
04010330 0.0--
04010300 0.0--
04010230 0.0--
04010200 0.0--
04010130 0.0--
04010100 0.0--
04010030 0.0--
04010000 13.0--
03312330 87.0--
03312300 182.0--
03312230 291.0--
03312200 384.0--
03312130 487.0--
03312100 595.0--

Description of Measurements

Links which are specific to this station are listed below:

Real Time Data in tabular form for the last forty-five days.

Historical Data & Climatic Summaries for quality controlled data for the current month, previous months, and previous years.