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Report from the Ron Brown: June 22, 1999

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Photo (left): Scott Sandberg of the National Oceanic Atmospheric Administration/Environmental Technology Laboratory washing dirt off the top of the high resolution Doppler lidar van, to lighten solar heat loading and to tidy the scene for a possible U.S. Department of Energy film crew visit in early July.

Other snapshots from the Ron Brown

Daily Weather Forecast Mirai Updates! Nauru Updates!

Commentary:

We saw our last land for 8 days about noon today en route to the tropical atmospheric ocean buoy nominally at 2 S, 165 E, but actually at 1 - 55.8 S, 164 - 23.4 E. Many flying fish were seen today, prompting the ship to cast out trolling lines. Last night's attempts at high-frequency radio communications were marginally successful with Mirai, unsuccessful with Nauru. We may try different times and/or frequencies tonight. Everyone's spirits seem to be soaring as we approach the first mission milestone with sensors in good shape, stomachs settled, and glorious weather.

Date: June 22, 1999
Local Time: 1500 Local, 0300 Z
GPS Ship Position:

Lat. 4 deg. 15.3 min S

Long. 159 deg. 34.5 min. E

Heading: 064 [deg]
Surface Wind: 116 [deg], 0.2 [mps] (14 m height)
Temperature: 28.6 C (13 m height)
Sea Surface Temperature: 29.8 C (5 m depth)
Relative Humidity: 68.2 % (13 m height)
Precipitation last 24 hr: 0 [mm]
Cloud Layer Heights:

Ceilometer: n/a

Radar: n/a

Lidar: n/a

Radiosonde Inversion Height: 0.5 km @ 1041 Z (21 June)

Visual Observations:

Glassy seas, no wind. Beautiful weather with small marine boundary layer cumuli and higher patchy cirrus.

Instrument Status:

The C-band radar is operating again after repairing the coupling between pedastal drive motors and az-el gear boxes. We set up a VHF aircraft radio, high wattage base unit, on the bridge in preparation for Cessna flights tomorrow when we arrive at the buoy, ETA 0500 Z (1700 local time).

Previous Days' Updates:

June 21, 1999
June 20, 1999
June 19, 1999
June 18, 1999
June 17, 1999
June 16, 1999
June 15, 1999
June 14, 1999
June 10, 1999

 

 

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