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Report from the Ron Brown: July 6, 1999

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Photo (left): Ronald H. Brown at sunset off Nauru, as seen from DOE's ARCS2 site. Photographer is Chuck Long.

Other snapshots from the Ron Brown

Daily Weather Forecast Mirai Updates! Nauru Updates!

Commentary:

Many RHB hands (crew and scientists) have visited Nauru. Several scientists have carried gear to and from ship and island for intercomparisons, including Westwater, Haxen, and Pavloski. Captain Parsons, Executive Officer Rossmann, and Chief Scientist Post attended a reception at the Menen Hotel hosted by the government of Nauru, a very plush affair with unsurpassed ocean-front views.

Phosphate mining operations were toured by many as well. Regular RHIB "bus service" continues. ARCS staff, including Chuck Long and Clif Meyer, have been outstanding hosts - we thank them deeply for the many hours they have spent drive ship's personnel around and explaining ARCS operations over and over again!

Date: July 6, 1999
Local Time: 1445 Local, 0245 Z
GPS Ship Position:

Lat. 0 deg. 31.2 min. S

Long. 166 deg. 54.4 min. E

Heading: 079 deg
Surface Wind: 4.9 m/s @ 041 deg. (14 m height)
Temperature: 27.4C (13 m height)
Sea Surface Temperature: 28.5C (5 m depth)
Relative Humidity: 79.0 % (13 m height)
Precipitation last 24 hr: 1.5 mm
Column Water Vapor: 5.0 cm (MWR)
Cloud Layer Heights:

Ceilometer: 0.7, 2.0 km bases

Radar: no returns at 0245 Z

Lidar: 0.7, 2.3 km bases

Radiosonde Inversion Height: 0.6 km @ 1732 Z (Day 186)

Visual Observations:

Noticeably cloudier today with multi-level clouds. Numerous rain showers in the region, including one over Nauru. Wind has shifted towards the north.

Instrument Status:

Westwater accomplished LN2 calibration of ARCS mailbox radiometer and a good tip-cal. He will attempt the same with ship's instruments tommorrow. Ship radiosondes appear more moist than island's, by about 0.7 cm column vapor (small sample of four simultaneous launches).

Previous Days' Updates:

July 5, 1999
July 3, 1999
July 2, 1999
July 1, 1999
June 30, 1999
June 29, 1999
June 28, 1999
June 27, 1999
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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