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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
1800 GMT on 04/30/2017:
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): SE ( 130 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 4.6 m/s
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES): 1015.9 mb
5-day plot - Pressure Tendency Pressure Tendency (PTDY): +0.7 mb ( Rising )
5-day plot - Air Temperature Air Temperature (ATMP): 25.8 °C
5-day plot - Salinity Salinity (SAL): 31.44 psu
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 5 m/s
5-day plot - Wind Speed at 10 Meters Wind Speed at 20 meters (WSPD20M): 5 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
04301730  SE 5.1-----1015.9- 25.9-- 31.44--
04301700  SE 4.6-----1015.9 +1.4 25.9-- 31.44--
04301630 SSE 5.1-----1016.3- 26.0-- 31.44--
04301600 SSE 5.7-----1016.9 +3.4 25.6-- 31.27--
04301530 SSE 6.7-----1015.6- 25.6-- 31.23--
04301500 SSE 7.7-----1015.2 +1.4 25.4-- 31.09--
04301430 SSE 7.2-----1014.6- 25.4-- 30.79--
04301400 SSE 8.2-----1014.6 +2.4 25.1-- 30.88--
04301330  SE 9.8-----1013.2- 25.0-- 30.30--
04301300 SSE 9.8-----1013.5 +1.0 24.8-- 30.40--
04301230 SSE 9.8-----1013.9- 24.8-- 29.90--
04301200 SSE 10.3-----1013.9 +1.0 24.7-- 30.06--
04301130 SSE 9.3-----1013.2- 24.5-- 29.64--
04301100 SSE 9.8-----1012.2 -1.7 24.5-- 29.66--
04301030 SSE 8.2-----1012.9- 24.5-- 28.64--
04301000 SSE 9.3-----1012.5 -1.7 24.3-- 28.64--
04300930  SE 8.2-----1012.9- 24.4-- 28.31--
04300900  SE 8.2-----1012.9- 24.5-- 28.43--
04300830  SE 6.2-----1013.5- 24.5-- 27.86--
04300800  SE 6.2-----1013.9- 24.5-- 28.20--
04300730 SSE 6.2-----1013.9- 24.5-- 27.50--
04300700 SSE 6.2-----1014.2- 24.6-- 25.46--
04300630  S 5.7-----1014.6- 24.6-- 27.44--
04292330 ESE 6.7-----1015.6- 24.9-- 30.23--
04292300 ESE 6.2-----1015.6 -0.3 25.1-- 30.18--
04292230  SE 6.7-----1016.3- 25.4-- 30.07--
04292200  SE 6.7-----1015.9 -1.0 25.5-- 29.88--
04292130 ESE 7.7-----1015.9- 25.5-- 30.69--
04292100  SE 7.2-----1015.9 -1.4 25.5-- 30.41--
04292030 ESE 7.7-----1016.3- 25.5-- 31.05--
04292000 ESE 7.2-----1015.9 -1.0 25.9-- 31.03--
04291930  SE 6.2-----1017.3- 25.4-- 30.96--
04291900  SE 7.2-----1016.9 -0.3 25.5-- 31.01--
04291830 ESE 7.2-----1017.3- 25.4-- 30.83--
04291800 ESE 7.7-----1017.3 +0.3 25.8-- 30.59--

Ocean Conditions at PPTA1 as of
1800 GMT on 04/30/2017:

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): 1.6 m
5-day plot - SalinitySalinity (SAL):31.44 psu
5-day plot - Oxygen Concentration (O2PCT)Oxygen Concentration (O2PCT): 94.3%
5-day plot - Oxygen Concentration (O2PPM)Oxygen Concentration (O2PPM): 6.57 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
04301730 1.6--31.4494.30 6.57----
04301700 1.6--31.4494.30 6.57----
04301630 1.624.55-31.4494.30 6.57----
04301600 1.624.58-31.2797.40 6.79----
04301530 1.624.55-31.2395.10 6.63----
04301500 1.624.57-31.0995.20 6.64----
04301430 1.624.62-30.7993.00 6.50----
04301400 1.624.58-30.8892.70 6.47----
04301330 1.524.71-30.3090.30 6.31----
04301300 1.624.68-30.4088.60 6.20----
04301230 1.524.81-29.9085.70 5.99----
04301200 1.524.76-30.0690.80 6.35----
04301130 1.524.83-29.6489.40 6.26----
04301100 1.424.86-29.6689.80 6.28----
04301030 1.425.35-28.6475.70 5.28----
04301000 1.425.41-28.6466.30 4.63----
04300930 1.425.38-28.3177.40 5.41----
04300900 1.425.41-28.4377.60 5.42----
04300830 1.425.31-27.8680.80 5.67----
04300800 1.425.29-28.2079.70 5.58----
04300730 1.325.23-27.5085.20 6.00----
04300700 1.325.20-25.4693.80 6.68----
04300630 1.325.24-27.4488.70 6.25----
04292330 1.425.12-30.23100.70 6.99----
04292300 1.425.09-30.18101.40 7.04----
04292230 1.424.93-30.0796.70 6.74----
04292200 1.525.48-29.88107.00 7.40----
04292130 1.524.90-30.69104.00 7.23----
04292100 1.525.06-30.41102.60 7.12----
04292030 1.524.67-31.05104.90 7.31----
04292000 1.524.67-31.03100.20 6.98----
04291930 1.624.69-30.96100.00 6.97----
04291900 1.624.62-31.01101.00 7.04----
04291830 1.624.62-30.83100.20 7.00----
04291800 1.524.74-30.5996.00 6.70----

Solar Radiation Conditions at PPTA1 as of
1800 GMT on 04/30/2017:
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): 339.0watts/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
04301730 501.0--
04301700 521.0--
04301630 441.0--
04301600 256.0--
04301530 257.0--
04301500 369.0--
04301430 347.0--
04301400 221.0--
04301330 303.0--
04301300 155.0--
04301230 115.0--
04301200 87.0--
04301130 33.0--
04301100 8.0--
04301030 0.0--
04301000 0.0--
04300930 0.0--
04300900 0.0--
04300830 0.0--
04300800 0.0--
04300730 0.0--
04300700 0.0--
04300630 0.0--
04292330 43.0--
04292300 102.0--
04292230 204.0--
04292200 472.0--
04292130 660.0--
04292100 280.0--
04292030 350.0--
04292000 616.0--
04291930 344.0--
04291900 419.0--
04291830 414.0--
04291800 994.0--

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.