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Report from the Ron Brown: July 15, 1999

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Photo (left):Reporters and cameramen from the Naeoru Bulletin (native spelling) on the 03 deck of the Ron Brown, with M.J. Post and Capt. Parsons.

Other snapshots from the Ron Brown

Daily Weather Forecast Mirai Updates! Nauru Updates!

Commentary:

We made fresh water beginning at 5 a.m., while lidars were turned off and broken down for shipping. Scott Smith took his Portable Radiation Package (PRP) to Nauru for air freight to Hawaii; he packed the PRP at the Atmosphere Radiation and Cloud Station (ARCS) as well. We completed a very successful 24-hour period of circumnavigations of Nauru at 1 km off the beach, 2 hours each circuit. We planned the downwind aerosol plume characterization experiment, 6 p.m. today through 9 a.m. tomorrow. We also planned numerous operations of ship's cranes for tomorrow p.m., in preparation for transit to Kwajalein. We learned today that check-in at Kwajalein airport is required at least 4.5 hours prior to flight time, in order to ensure (even confirmed) seats are not sold to standby passengers or given to overbooked passengers. This requirement makes the schedule for off-loading gear (after fueling) on Kwajalein very tight on July 19.

Date: July 15, 1999
Local Time: 1535 Local, 0335 Z
GPS Ship Position:

Lat. 0 deg. 34.0 min S

Long. 166 deg. 57.2 min. E

Heading: 155 deg
Surface Wind: 3.1 m/s @ 138 deg. (14 m height)
Temperature: 27.8C (13 m height)
Sea Surface Temperature: 29.2C (5 m depth)
Relative Humidity: 71.4 % (13 m height)
Precipitation last 24 hr: 0 mm
Column Water Vapor: 5.7 cm (MWR)
Cloud Layer Heights:

Ceilometer: 0.6, 2.0 km bases

Radar: 0.7, 2.2, 11.5 km bases, 9-13 km

Lidar: n/a

Radiosonde Inversion Height: 0.4 km km @ 1728 Z (Day 195)

Visual Observations:

Another very pleasant day -- mostly sunny with multi-layered clouds. Bands of showers have been in the region all day, but none passed overhead. Winds are light.

Instrument Status:

Lidars are down, except for the Depolarization Aerosol and Backscatter Unattended Lidar (DABUL), which will operate until tomorrow. The Pennsylvania State University sun photometer is down and packed, as is the PRP. The cloud radar will be turned off for packing tonight. Aerosol sensors will be turned off tomorrow at 9 a.m.. Remaining radiation instruments will run until at least sunset tomorrow.

Previous Days' Updates:

July 14, 1999
July 13, 1999
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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