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23 July 2001 (Flight #1875)
Aircraft Flight Summary
Date: 23 July 2001
Time (Flight): 13:51 to 16:46 UTC
Time (Data): 14:08 to 16:27 UTC
Aircraft Type: Convair CV-580
Aircraft Flight Scientist: Prof. Peter Hobbs
Aircraft Flight Number: 1875
Mission Location: Atlantic Ocean
Lat/Lon Coverage: 37.7-38.3N, 73.7-75.4W
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 7/23/2001 15:29 UTC
Images by SSEC UW-Madison
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GOES-8 Images (satellite loop)
GOES-8 7/23/2001 14:15 to 16:45 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 Terra satellite overpass at 1535 UTC in cloud free or scattered cloud conditions at least 50 miles from shore.
- BRDF under cloud-free conditions at ("near-Delaware") buoy 44009 at 38 deg 27.8 min /74 deg 42.12 min
Accomplishments of Flight:
- Goal #1 done: Runs from SW to NE at 100 ft in cloud free region about 70 miles east of Wallops before, during and after Terra overpass at 1535 UTC. Low aerosol optical depths (about 0.05).
- Goal #2 not accomplished due to clouds over buoy.
- Six turns for BRDF measurements at 600 ft over ocean at SW point of 100 ft runs (done just prior to low-level runs).
Weather Conditions:
Building cumulus over land. Broken cloud over ocean with large cloud-free regions east of Wallops.
Instrument Problems:
- CNC-2
Photographs From Aircraft Vantage
Digitized Photographs
Click photograph thumbnail to load more detailed version
CV-580 |
CV-580 |
CV-580 |
CV-580 |
Gatebe & Pilots |
14:03 Cumulus Humilis |
14:23 Cumulus Humilis |
14:28 Cumulus Fractus |
14:44 Altocumulus |
14:44 Cloud Ceiling |
15:02 BRDF Site |
15:03 BRDF Site |
15:04 CB Capillatus |
15:05 BRDF & Ship |
15:10 BRDF Site |
15:14 BRDF & Ship |
15:16 BRDF Site |
15:35 100ft ASL |
15:42 CB Capillatus |
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Images by Dr. Charles Gatebe Jason Li
Flight Log by Peter Hobbs
| CV-580 Flight Log |
| Time (UTC) |
Activity |
| 1351 |
Engines on |
| 1402 |
Take off |
| 1402-1500 |
Transit toward northeast climbing to 3200 ft and then southeast and east looking for cloud-free region. |
| 1500-1517 |
Six circles for BRDF measurements at 600 ft over calm ocean in cloud-free region. Circles at SW point of 100 ft runs that followed. |
| 1517-1520 |
Descend to 100 ft |
| 1520-1554 |
Runs about 25 miles long at 100 ft above ocean in SW-NE direction about 70 miles east of Wallops in cloud-free region. Low AOD, 0.04-0.06. Terra satellite overpass at 1535 UTC. |
| 1554-1614 |
Climb to 10, 000 ft at 1, 000 ft/min in cloud-free region. Good water vapor profile. |
| 1614-1639 |
Return to Wallops descending steadily en route from 10, 000 ft. |
| 1639 |
Touchdown at Wallops |
| 1646 |
Engines off |
Weather Summary by Fred Rose
CREATION DATE: Monday, 23 July 2001 14:39:19 UTC
FORECAST: Morning Fog then becoming Partly to Mostly Cloudy, Warm and Humid with Afternoon Thundershowers. Highs in the upper 80's. Low in the lower 70's.
GENERAL OVERVIEW: Convection along the coastal trough to the south and east. Showers limited to coastal North Carolina at this time. A narrow band of partly cloudy conditions exist between the coastal trough and a band of low level fog and stratus to the north off the New Jersey coast.
DISCUSSION: Coastal trough to move slowly to the Northwest covering the Southern portion of the Clams operational area near the lighthouse by early afternoon. Coastal land area to have mostly cloudy conditions from cumulus development from midday on. Clear sky window in the northern operational area off Deleware coast to be short-lived, becoming partly cloudy by afternoon.
Level-1B HDF Data Distribution Facility
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