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S-HIS IHOP Experiment Quicklook Page
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NEWS
6/18/02: S-HIS and DC-8 concluded their IHOP flights on 6/14/02 with last mission and ferry to Dryden.
Introduction
The International H2O Project (IHOP_2002) is a field experiment taking place over the Southern Great Plains (SGP) of the United States from 13 May to 25 June 2002. The chief aim of IHOP_2002 is improved characterization of the four-dimensional (4-D) distribution of water vapor and its application to improving the understanding and prediction of convection. The region is an optimal location due to existing experimental and operational facilities, strong variability in moisture, and active convection.
Instrument Summary
The Scanning High-resolution Interferometer Sounder (S-HIS) is a scanning
interferometer which measures emitted thermal radiation at high spectral
resolution between 3.3 and 18 microns (specifications). The measured
emitted radiance is used to obtain temperature and water vapor profiles
of the Earth's atmosphere. S-HIS produces sounding data with 2 kilometer
resolution (at nadir) across a 40 kilometer ground swath from a nominal
altitude of 20 kilometers onboard a NASA ER-2 aircraft or 20 kilometer
ground swath from a nominal altitude of 10 kilometers aboard the NASA DC-8
aircraft.
| Flight Date | Sortie | Mission | Data Start (UTC) | Data End (UTC) | Flight Length (Hours) |
| 020523 | 02-0204 | Ferry to Oklahoma City | 1713 | 1940 | 2.5 |
| 020524 | 02-0205 | Convective Initiation (CI) | 1717 | 2244 | 5.5 |
| 020530 | 02-0206 | ABL Water Vapor Heterogeneity and Water Vapor Budget | 1722 | 2235 | 5.3 |
| 020602 | 02-0207 | Nocturnal Low Level Jet (LLJ) | 0224 | 0656 | 4.4 |
| 020603 | 02-0208 | Convective Initiation (CI) | 1740 | 2244 | 5.1 |
| 020609 | 02-0209 | Nocturnal Low Level Jet (LLJ) & Convective Initiation (CI) | 1329 | 2114 | 7.75 |
| 020611 | 02-0210 | Convective Initiation (CI) | 1640 | 2157 | 5.33 |
| 020614 | 02-0211 | Boundary Layer Evolution and Transit to Dryden | 1307 | 2126 | 8.25 |
| Total Flight Hours: | 43.13 |
Data
Below is the link to the online archive of S-HIS data. Additional
data from all field campaigns is being added.
Software
S-HIS data are stored in network common data format (netCDF).
Programs for reading S-HIS data in this format are available in Fortran,
IDL, Matlab source code. To visualize S-HIS data, a Matlab browser
is available for basic image viewing.
Last Updated 6/18/2002 by shaima.nasiri@ssec.wisc.edu