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Report from the Ron Brown: June 27, 1999

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Photo (left):Ship's engineer Brian Mitchell displays his just-caught 57-lb yellow fin tuna on the fantail of the Ron Brown. This bodes well for the next few lunches and dinners for all hands. Fishing is permitted when it does not interfer with scientific observations.

Other snapshots from the Ron Brown

Daily Weather Forecast Mirai Updates! Nauru Updates!

Commentary:

The ship's crew continues to scrape and paint - a perpetual job on ships. The Cessna returned today twice, and on its second trip it sawtooth-profiled in the vicinity of the Ron Brown up to an altitude of 2 km, then down again before returning to Nauru. Sea turtles have been spotted by a few sharp-eyed observers; dolphin sightings proliferate. We remain stationary 100-200 m from the tropical atmospheric ocean buoy, turning somewhat at sunset to keep radiometers from being shaded by the ship's superstructure.

Date: June 27, 1999
Local Time: 1500 Local, 0300 Z
GPS Ship Position:

Lat. 1 Deg. 55.5 min S

Long. 164 deg. 23.6 min E

Heading: 114 [deg]
Surface Wind: 118 [deg], 5.9 [mps] (14 m height)
Temperature: 28.6 C (13 m height)
Sea Surface Temperature: 29.6 C (5 m depth)
Relative Humidity: 74.1% (13 m height)
Precipitation last 24 hr: 0.3 [mm]
Column Water Vapor: 3.8 cm (MWR)
Cloud Layer Heights:

Ceilometer: 0.6 km bases

Radar: 0.8 - 1.2

Lidar: 0.7 - 0.9 km bases

Radiosonde Inversion Height: 0.6 km @ 2026Z

Visual Observations:

Today is a duplicate of yesterday - fair with scattered marine boundary layer cumuli - perhaps with slightly more cloud coverage.

Instrument Status:

Depolarization Aerosol and Backscatter Unattended Lidar is down for the count. It lost its laser and no spare is on hand because of the manufacturer's lethargy and inability to repair previously failed units. It will be packed immediately for shipment back to Boulder, Colorado.

Previous Days' Updates:

June 26, 1999
June 25, 1999
June 24, 1999
June 23, 1999
June 22, 1999
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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