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TAO performance improves after second service cruise. Read more...

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
0000 GMT on 07/29/2014:
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): WSW ( 250 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 4.1 m/s
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES): 1014.6 mb
5-day plot - Pressure Tendency Pressure Tendency (PTDY): +0.0 mb ( Steady )
5-day plot - Air Temperature Air Temperature (ATMP): 29.5 °C
5-day plot - Salinity Salinity (SAL): 29.81 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
07282330   WSW 5.1-----1014.2- 29.6-- 29.88--
07282300   WSW 5.1-----1013.5 -2.0 30.0-- 30.21--
07282230   WSW 5.7-----1014.2- 30.9-- 31.15--
07282200   WSW 6.2-----1014.6 -1.7 30.7-- 30.32--
07282130   WSW 5.7-----1014.6- 30.1-- 30.58--
07282100   WSW 6.7-----1014.6 -2.0 30.0-- 32.82--
07282030   WSW 4.6-----1015.2- 30.3-- 31.45--
07282000   WSW 4.6-----1015.6 -1.4 30.9-- 31.43--
07281930   WSW 6.2-----1015.2- 29.7-- 31.85--
07281900   WSW 5.7-----1016.3 -1.0 29.6-- 31.39--
07281830   WSW 4.1-----1016.3- 29.5-- 31.80--
07281800   WSW 3.6-----1016.6 -1.7 30.0-- 32.22--
07281730   WSW 3.1-----1017.3- 30.2-- 31.46--
07281700    W 5.1-----1016.9 -1.0 31.3-- 31.13--
07281630    W 6.2-----1018.0- 30.6-- 31.61--
07281600    W 5.7-----1017.3- 30.4-- 31.70--
07281530    W 5.1-----1017.6- 30.1-- 31.26--
07281500    W 6.2-----1018.3 +0.7 29.8-- 31.65--
07281430    W 5.7-----1018.0- 29.2-- 32.88--
07281400    W 5.7-----1018.0 +0.3 28.8-- 32.76--
07281330   WNW 5.7-----1017.6- 28.5-- 31.79--
07281230   WNW 5.1-----1017.6- 27.8-- 31.22--
07281200   WNW 5.1-----1017.6 +2.0 27.7-- 30.95--
07281130   WNW 4.1-----1018.0- 28.0-- 30.78--
07281100    W 4.1-----1017.6 +2.0 28.1-- 30.56--
07281030   WNW 3.6-----1017.3- 28.3-- 31.57--
07281000    W 2.6-----1016.6 +0.0 28.4-- 32.22--
07280930    W 2.6-----1015.9- 28.3-- 30.75--
07280900    W 2.1-----1015.6 -1.4 28.1-- 30.29--
07280830    W 3.1-----1015.6- 28.2-- 28.13--
07280800    W 3.6-----1015.6 -1.4 28.3-- 24.93--
07280730   WSW 4.1-----1015.9- 28.4-- 24.88--
07280700    W 4.6-----1016.6 -1.4 28.4-- 24.03--
07280630    W 4.1-----1016.9- 28.4-- 25.59--
07280600    W 3.1-----1016.9 -0.7 28.4-- 26.57--
07280530   WSW 4.6-----1016.9- 28.7-- 30.76--
07280500   WSW 5.1-----1016.9 -0.3 28.7-- 26.10--
07280430   WSW 4.1-----1017.3- 28.9-- 21.54--
07280400   WSW 4.1-----1018.0 +1.7 29.0-- 26.38--
07280330   WSW 3.6-----1018.0- 29.1-- 30.25--
07280300   WSW 4.1-----1017.6 +1.0 29.1-- 22.72--
07280230   WSW 3.6-----1016.9- 29.1-- 22.44--
07280200   WSW 4.1-----1017.3 +0.7 28.8-- 23.77--
07280130   WSW 4.1-----1016.9- 29.0-- 24.61--
07280100   WSW 5.1-----1016.3 -1.0 29.0-- 23.59--
07280030   WSW 4.6-----1016.9- 29.1-- 22.94--
07280000   WSW 4.1-----1016.6 -0.7 29.4-- 25.82--

Ocean Conditions at PPTA1 as of
0000 GMT on 07/29/2014:

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):29.24 °C
5-day plot - SalinitySalinity (SAL):29.81 psu
5-day plot - Oxygen Concentration (O2PCT)Oxygen Concentration (O2PCT):105.0%
5-day plot - Oxygen Concentration (O2PPM)Oxygen Concentration (O2PPM): 6.82 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
07282330 1.129.30-29.88109.90 7.13----
07282300 1.129.13-30.21112.00 7.28----
07282230 1.129.00-31.15110.90 7.18----
07282200 1.128.94-30.32117.50 7.65----
07282130 1.128.62-30.58104.30 6.82----
07282100 1.128.63-32.82106.40 6.87----
07282030 1.128.28-31.45109.40 7.15----
07282000 1.227.10-31.43102.70 6.85----
07281930 1.227.10-31.8599.90 6.65----
07281900 1.227.38-31.3996.90 6.43----
07281830 1.326.96-31.8099.40 6.63----
07281800 1.327.10-32.2297.00 6.44----
07281730 1.326.99-31.4690.90 6.07----
07281700 1.327.08-31.1385.90 5.74----
07281630 1.326.90-31.6187.60 5.86----
07281600 1.326.78-31.7092.00 6.16----
07281530 1.326.93-31.2687.90 5.89----
07281500 1.326.68-31.6586.90 5.83----
07281430 1.326.72-32.8887.00 5.80----
07281400 1.326.73-32.7684.30 5.62----
07281330 1.226.72-31.7983.50 5.60----
07281230 1.226.77-31.2281.80 5.49----
07281200 1.226.92-30.9581.50 5.46----
07281130 1.227.04-30.7877.40 5.18----
07281100 1.227.13-30.5679.90 5.35----
07281030 1.127.29-31.5775.50 5.01----
07281000 1.127.19-32.2281.00 5.37----
07280930 1.128.36-30.7571.90 4.72----
07280900 1.129.46-30.2973.00 4.71----
07280830 1.129.67-28.1383.90 5.46----
07280800 1.129.61-24.9381.10 5.38----
07280730 1.129.57-24.8884.70 5.62----
07280700 1.129.50-24.0384.30 5.63----
07280630 1.129.69-25.5982.80 5.46----
07280600 1.129.70-26.5778.20 5.13----
07280530 1.129.54-30.7686.70 5.58----
07280500 1.129.65-26.1082.40 5.43----
07280430 1.129.67-21.5489.10 6.02----
07280400 1.129.70-26.3894.50 6.21----
07280330 1.129.62-30.2592.60 5.97----
07280300 1.129.87-22.7291.50 6.12----
07280230 1.129.90-22.44101.00 6.76----
07280200 1.129.90-23.7799.70 6.62----
07280130 1.129.94-24.6198.70 6.53----
07280100 1.129.94-23.59103.30 6.87----
07280030 1.129.92-22.94100.40 6.70----
07280000 1.129.91-25.82109.00 7.16----

Solar Radiation Conditions at PPTA1 as of
0000 GMT on 07/29/2014:
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): 38.0watts/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
07282330 70.0--
07282300 132.0--
07282230 315.0--
07282200 488.0--
07282130 529.0--
07282100 624.0--
07282030 694.0--
07282000 748.0--
07281930 803.0--
07281900 836.0--
07281830 859.0--
07281800 927.0--
07281730 915.0--
07281700 918.0--
07281630 850.0--
07281600 778.0--
07281530 713.0--
07281500 677.0--
07281430 555.0--
07281400 461.0--
07281330 375.0--
07281230 179.0--
07281200 82.0--
07281130 26.0--
07281100 1.0--
07281030 0.0--
07281000 0.0--
07280930 0.0--
07280900 0.0--
07280830 0.0--
07280800 0.0--
07280730 0.0--
07280700 0.0--
07280630 0.0--
07280600 0.0--
07280530 0.0--
07280500 0.0--
07280430 0.0--
07280400 0.0--
07280330 0.0--
07280300 0.0--
07280230 0.0--
07280200 0.0--
07280130 0.0--
07280100 1.0--
07280030 16.0--
07280000 89.0--

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.