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30 July 2001 (Flight #1879)
Aircraft Flight Summary
Date: 30 July 2001
Time (Flight): 16:09 to 19:51 UTC
Time (Data): 16:23 to 19:30 UTC
Aircraft Type: Convair CV-580
Aircraft Flight Scientist: Prof. Peter Hobbs
Aircraft Flight Number: 1879
Mission Location: Atlantic Ocean
Lat/Lon Coverage: 36.5-37.9N, 74.4-75.8W
Navigation Statistics: Versus Time
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Flight Track Map
Map by U.Wash.
CAR Data Summary
Principal Investigator: Dr. Michael King
Co-PI: Dr. Charles Gatebe
Spectral Bands: Configuration
Calibration Type: Final
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MODIS Image (direct broadcast)
MODIS 7/30/2001 15:35 UTC
Images by SSEC UW-Madison
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GOES-8 Images (satellite loop)
GOES-8 7/30/2001 16:15 to 19:15 UTC
Images by NASA LaRC
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CAR - (quicklook)
Imagery from CAR Instrument
(RGB = 1.04, 0.87, 0.47 microns)
Click browse image thumbnail to load more detailed version
Images by Dr. Charles Gatebe
Flight (Mission) Detail by Peter Hobbs
Goals of Flight:
- Underfly ER-2 off coast for sunphotometer and aerosol profiles in cloud-free holes
- BRDFs near COVE lighthouse and buoy 44014 in best cloud-free areas that can be found
Accomplishments of Flight:
- Goal #1 achieved in various locations beneath ER-2 and off Delmava peninsula
- BRDFs in partly cloudy conditions near COVE lighthouse, near buoy 44014 and off southern tip of Delmava peninsula
- Intergrated filters over low altitudes
Weather Conditions:
Instrument Problems:
- CE neph
Additional Comments:
- ER-2, Proteus, and OV-10 flew.
- Terra satellite overpass prior to CV-580 flight.
- Air quite clean after frontal passage and heavy rains previous day
Photographs From Aircraft Vantage
Digitized Photographs
Click photograph thumbnail to load more detailed version
15:11 Wal.Flt.Fac. |
16:28 E.Shore Clds. |
16:36 Distant Cirrus |
16:40 Ches.Light. |
16:46 White Caps |
16:49 Brkn. Cirrus |
16:53 Brkn. Cirrus |
17:00 Altocumulus |
17:04 Ship |
17:06 Ship |
17:20 Altocumulus |
18:19 Whitecaps |
18:19 BRDF Clouds |
18:22 BRDF Clouds |
18:25 BRDF Cumulus |
19:01 Whitecaps |
19:12 BRDF Site |
19:35 Oc. Chlorophyll |
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Images by Dr. Charles Gatebe
Flight Log by Peter Hobbs
| CV-580 Flight Log |
| Time (UTC) |
Activity |
| 1609 |
Engines on |
| 1617 |
Take off |
| 1617-1634 |
Climb and head toward COVE lighthouse at 2,000 ft. |
| 1634-1640 |
Run at 100 ft toward lighthouse in cloudy conditions. |
| 1640-1645 |
Search for best cloud-free area near lighthouse. |
| 1645-1655 |
Five circles at 600 ft for BRDF measurements. near lighthouse. Some cloud present. |
| 1655-1706 |
Run at 100 ft looking for best cloud-free hole in which to do vertical profile near lighthouse. |
| 1706-1719 |
Climb at 1,000 ft/min from 100 ft to 10,000 ft. |
| 1719-1739 |
Slow descent to 100 ft near lighthouse. |
| 1739-1743 |
Run at 100 ft east of lighthouse. |
| 1743-1801 |
Climb to 5, 500 ft and head to buoy 44014 in and out of altocumulus cloud for some cloud structure measurements. |
| 1801-1807 |
Search for best cloud-free region for BRDF measurements near buoy. |
| 1816-1831 |
Five circles at 600 ft for BRDF measurements northeast of buoy 44014 in partly cloudy conditions. |
| 1831-1837 |
Climb to 5, 500 ft through cloud-free region near buoy 44014. |
| 1837-1854 |
Head back to COVE lighthouse in clean, cloud-free air at 8, 000ft (looking for cloud-free regions). |
| 1854-1900 |
Descend to 1,500 ft near lighthouse in cloud-free region. |
| 1900-1904 |
Search for cloud-free region near lighthouse for BRDF measurements. |
| 1904-1921 |
Six circles for BRDF measurements at 600 ft. ( at 37 deg 6 min/75 deg 35 min) in best cloud-free region of the flight . |
| 1921-1946 |
Return to Wallops (with run at 100 ft from about 1925-1928 in good cloud-free region). |
| 1946 |
Touchdown at Wallops |
| 1951 |
Engines off |
Weather Summary by Fred Rose
CREATION DATE: Monday, 30 July 2001 16:29 UTC
FORECAST: Clearing trend with increasingly warmer temperatures thru Thursday.
GENERAL OVERVIEW: Low pressure moving E-SE off the Virginia Capes. Area of dryer air advecting into area.
DISCUSSION: Second shortwave should increase cloudiness again briefly especially to the North in the late afternoon. Low-level moisture and daytime heating over land, gives mostly cloudy over land for today. Some clearing to broken to scattered over ocean areas, with conditions highly variable during the day. High pressure builds in during the next 2 days.
Level-1B HDF Data Distribution Facility
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