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Report from the Ron Brown: June 30, 1999

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Photo (left): Ann Weickmann at work inside the High-Resolution Doppler Lidar van, figuring out how to use all those bits from the C-band radar's inertial navigation unit to stabilize the lidar's scanner.

Other snapshots from the Ron Brown

Daily Weather Forecast Mirai Updates! Nauru Updates!

Commentary:

The Cessna made its last flyby today for our "large triangle" configuration. Just after sunset we plan to say good-bye to our friendly buoy and dolphins, and steam to the Ron Brown's "small triangle" position 20 km southwest of Nauru.

There has been a flurry of activity in association with tomorrow's RHIB (small boat) run to Nauru, which will occur just after we reach the small triangle position (ETA 0930 local time, July 1).

Date: June 30, 1999
Local Time: 1500 Local, 0300 Z
GPS Ship Position:

Lat. 1 deg. 55.5 min. S

Long. 164 deg. 23.7 min. E

Heading: 119 [deg]
Surface Wind: 5.2 m/s @ 101 deg. (14 m height)
Temperature: 28.3C (13 m height)
Sea Surface Temperature: 29.3C (5 m depth)
Relative Humidity: 74.2 % (13 m height)
Precipitation last 24 hr: 0.0 [mm]
Column Water Vapor: 4.3 cm
Cloud Layer Heights:

Ceilometer: 0.7, 3.7, 5.5 km bases

Radar: n/a

Lidar: 0.7 km bases

Radiosonde Inversion Height: 0.9 km @ 1127 Z (Day 180)

Visual Observations:

Another beautiful day without much scenery. A few showers appear on the horizon, but otherwise we see only ubiquitous, small cumuli and occasional whitecaps.

Instrument Status:

All is well. It was another good radiometer and photometer day.

Previous Days' Updates:

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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