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Report from the Ron Brown: July 13, 1999

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Photo (left):Medical Officer Tom Doss and Tony Reale of the National Environmental Satellite Data Information System (NESDIS) on a hiking trail though ancient coral pinnacles on Nauru.

Other snapshots from the Ron Brown

Daily Weather Forecast Mirai Updates! Nauru Updates!

Commentary:

We got in 18 hours of good aerosol characterization yesterday before the wind died, ending the planned plume work. We are back on the windward side of Nauru making water, but the laundry is still secured. Today is a day for rest while radiation measurements upwind of the Atmosphere Radiation and Cloud Station (ARCS) continue. Three-dimensional color graphics of the Ron Brown bathymetric data surrounding Nauru are a big hit. A new tee-shirt industry may be in the making!

Date: July 13, 1999
Local Time: 1500 Local, 0300 Z
GPS Ship Position:

Lat. 0 deg. 31.4 min S

Long. 166 deg. 58.6 min E

Heading: 114 deg
Surface Wind: 3.7 m/s @ 088 deg. (14 m height)
Temperature: 27.8C (13 m height)
Sea Surface Temperature: 29.2C (5 m depth)
Relative Humidity: 72.7 % (13 m height)
Precipitation last 24 hr: 1.3 mm
Column Water Vapor: 4.5 cm (MWR)
Cloud Layer Heights:

Ceilometer: 0.6, 1.6 km bases

Radar: 0.8, 1.6 km bases

Lidar: 0.6, 1.6, 8.5, 10.5 km bases

Radiosonde Inversion Height: 0.7 km @ 1723 Z (Day 193)

Visual Observations:

A strong band of rain showers passed just to our north in the morning. Since then it has been a typical day with marine boundary layer cumuli and broken cirrus.

Instrument Status:

The Depolarization Aerosol and Backscatter Unattended Lidar (DABUL) lives! Spare parts carried by Otten and installed by Wulfmeyer, and preparations by Sandberg, resulted in data acquisition just after nightfall July 12. Expert crane work in rolling seas got DABUL from below decks starboard to the 02 level portside, but not without a few tense moments.

Previous Days' Updates:

July 12, 1999
July 11, 1999
July 10, 1999
July 9, 1999
July 8, 1999
July 7, 1999
July 6, 1999
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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