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

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

Site elevation: sea level
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
Sea temp depth: 1.3 m below MLLW

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

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)


Conditions at PPTA1 as of
0600 GMT on 03/27/2017:
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 ( 190 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 3.1 m/s
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES): 1017.3 mb
5-day plot - Pressure Tendency Pressure Tendency (PTDY): -0.7 mb ( Falling )
5-day plot - Air Temperature Air Temperature (ATMP): 21.2 °C
5-day plot - Salinity Salinity (SAL): 30.15 psu
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 3 m/s
5-day plot - Wind Speed at 10 Meters Wind Speed at 20 meters (WSPD20M): 3 m/s
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
03270530  S 3.1-----1016.9- 21.1-- 30.21--
03270500  S 3.1-----1018.0 +0.3 21.2-- 30.20--
03270430 SSE 3.1-----1017.6- 21.2-- 30.18--
03270400 SSE 4.1-----1018.0 +0.0 21.3-- 30.17--
03270330 SSE 3.6-----1018.3- 21.3-- 30.14--
03270300 SSE 3.6-----1018.0 +0.7 21.4-- 30.18--
03270230 SSE 3.6-----1018.6- 21.5-- 30.21--
03270200 SSE 4.1-----1017.6 +0.0 21.5-- 29.95--
03270130 SSE 3.6-----1017.6- 21.6-- 29.96--
03270100  SE 3.6-----1018.0 +0.0 21.6-- 29.90--
03270030 SSE 3.1-----1017.3- 21.7-- 30.19--
03270000 SSE 3.1-----1017.3 -0.3 21.9-- 29.89--
03262330  S 2.6-----1017.6- 22.7-- 30.10--
03262300  S 2.6-----1017.6 -0.7 23.0-- 29.90--
03262230  S 2.6-----1018.0- 23.3-- 29.63--
03262200  S 3.1-----1018.0 -0.7 23.5-- 29.68--
03262130  S 3.6-----1018.0- 23.5-- 29.19--
03262100  S 2.6-----1017.6 -1.4 23.4-- 27.36--
03262030  S 3.1-----1018.0- 23.8-- 27.95--
03262000  S 3.1-----1018.3 -1.7 23.8-- 29.44--
03261930  S 2.6-----1018.3- 24.0-- 29.22--
03261900 SSE 2.6-----1018.6 -0.3 23.9-- 29.14--
03261830  S 2.6-----1018.6- 23.7-- 29.35--
03261800 SSE 3.6-----1019.0 +0.0 23.7-- 29.13--
03261730  SE 3.1-----1019.0- 23.0-- 28.91--
03261700 -------1020.0 +1.0 22.3-- 28.99--
03261630 ESE 3.6-----1019.3- 22.3-- 28.34--
03261600 ESE 3.1-----1019.0 +1.0 21.6-- 26.30--
03261530 ESE 2.1-----1019.0- 22.1-- 26.13--
03261500 SSE 1.5-----1019.0 +2.0 22.4-- 25.83--
03261430 SSE 1.5-----1018.6- 22.1-- 25.83--
03261400 SSE 1.0-----1019.0 +2.4 21.5-- 24.98--
03261330 SSE 0.5-----1018.3- 21.4-- 23.69--
03261300 SSE 1.5-----1018.0 +1.0 20.9-- 24.43--
03261230  S 2.1-----1017.6- 20.8-- 26.45--
03261200  S 2.1-----1016.9 +1.0 20.1-- 23.65--
03261130 SSE 3.6-----1017.3- 20.0-- 24.00--
03261100 SSE 4.1-----1016.6 -0.7 20.1-- 24.33--
03261030 SSE 5.1-----1016.6- 20.0-- 24.59--
03261000 SSE 5.1-----1016.9 +0.0 19.9-- 24.18--
03260930 SSE 4.6-----1016.6- 19.8-- 25.61--
03260900 SSE 3.6-----1015.9 -2.0 19.6-- 25.40--
03260830 SSE 4.1-----1016.6- 19.5-- 26.99--
03260800 SSE 5.1-----1017.3 +0.0 19.4-- 27.45--
03260730  SE 4.6-----1017.3- 19.3-- 27.17--
03260700  SE 4.6-----1016.9 -1.0 19.3-- 27.00--
03260630 ESE 4.6-----1017.3- 19.3-- 27.55--
03260600 ESE 5.1-----1018.0 +0.3 19.3-- 26.49--

Ocean Conditions at PPTA1 as of
0600 GMT on 03/27/2017:

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): 1.4 m
5-day plot - Ocean TemperatureOcean Temperature (OTMP):21.21 °C
5-day plot - SalinitySalinity (SAL):30.15 psu
5-day plot - Oxygen Concentration (O2PCT)Oxygen Concentration (O2PCT): 35.6%
5-day plot - Oxygen Concentration (O2PPM)Oxygen Concentration (O2PPM): 2.65 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
03270530 1.421.21-30.2135.20 2.62----
03270500 1.421.22-30.2033.90 2.52----
03270430 1.421.23-30.1835.00 2.60----
03270400 1.421.19-30.1733.30 2.48----
03270330 1.421.22-30.1435.40 2.64----
03270300 1.421.24-30.1836.60 2.72----
03270230 1.421.19-30.2137.10 2.76----
03270200 1.421.21-29.9537.60 2.81----
03270130 1.421.24-29.9637.80 2.81----
03270100 1.421.24-29.9038.80 2.89----
03270030 1.421.19-30.1936.20 2.69----
03270000 1.421.10-29.8937.20 2.78----
03262330 1.420.90-30.1037.50 2.81----
03262300 1.420.81-29.9038.80 2.91----
03262230 1.320.91-29.6335.10 2.64----
03262200 1.320.91-29.6842.60 3.19----
03262130 1.321.09-29.1941.90 3.15----
03262100 1.322.03-27.3641.30 3.08----
03262030 1.321.71-27.9538.10 2.84----
03262000 1.320.85-29.4441.80 3.15----
03261930 1.320.72-29.2241.60 3.14----
03261900 1.320.68-29.1442.30 3.20----
03261830 1.320.48-29.3539.90 3.02----
03261800 1.320.43-29.1342.50 3.23----
03261730 1.320.40-28.9142.30 3.22----
03261700 1.320.31-28.9940.90 3.11----
03261630 1.320.35-28.3437.70 2.88----
03261600 1.320.71-26.3036.70 2.82----
03261530 1.320.69-26.1338.60 2.97----
03261500 1.320.67-25.8338.90 3.00----
03261430 1.220.59-25.8337.10 2.86----
03261400 1.320.50-24.9835.60 2.77----
03261330 1.320.51-23.6938.60 3.02----
03261300 1.320.47-24.4335.10 2.74----
03261230 1.320.47-26.4535.30 2.72----
03261200 1.220.45-23.6539.60 3.11----
03261130 1.320.47-24.0040.30 3.15----
03261100 1.220.43-24.3342.70 3.34----
03261030 1.320.43-24.5943.00 3.35----
03261000 1.320.47-24.1843.80 3.43----
03260930 1.220.42-25.6142.00 3.26----
03260900 1.320.41-25.4042.70 3.32----
03260830 1.220.48-26.9936.60 2.81----
03260800 1.320.41-27.4540.90 3.14----
03260730 1.320.39-27.1741.50 3.19----
03260700 1.320.30-27.0039.60 3.05----
03260630 1.320.41-27.5539.70 3.04----
03260600 1.320.45-26.4941.70 3.22----

Solar Radiation Conditions at PPTA1 as of
0600 GMT on 03/27/2017:
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): 0.0watts/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
03270530 0.0--
03270500 0.0--
03270430 0.0--
03270400 0.0--
03270330 0.0--
03270300 0.0--
03270230 0.0--
03270200 0.0--
03270130 0.0--
03270100 0.0--
03270030 0.0--
03270000 7.0--
03262330 86.0--
03262300 192.0--
03262230 315.0--
03262200 430.0--
03262130 547.0--
03262100 651.0--
03262030 736.0--
03262000 811.0--
03261930 866.0--
03261900 905.0--
03261830 921.0--
03261800 930.0--
03261730 911.0--
03261700 651.0--
03261630 823.0--
03261600 752.0--
03261530 669.0--
03261500 578.0--
03261430 471.0--
03261400 365.0--
03261330 270.0--
03261300 132.0--
03261230 84.0--
03261200 16.0--
03261130 0.0--
03261100 0.0--
03261030 0.0--
03261000 0.0--
03260930 0.0--
03260900 0.0--
03260830 0.0--
03260800 0.0--
03260730 0.0--
03260700 0.0--
03260630 0.0--
03260600 0.0--

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.