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USAF C-130 Flight Level 60-second Resolution Data

Project:

ITOP

Summary

This data set includes 60-second resolution flight level data from the WC-130 flights for the ITOP field program (15 August - 20 October 2010). Additional information is available in the readme files. This data set was provided by the Naval Research Laboratory and the data are in a columnar ASCII format. This data set also includes 1 second resolution data from the Stepped Frequency Microwave Radiometer (SFMR) that was processed using the Klotz and Uhlhorn (2014) algorithm. These data are in NetCDF format.

Data access

ORDER data to made available for download
OPeNDAP access

Additional information

Identifier	DOI: https://doi.org/10.26023/62E0-6A0W-8205
Data Quality	final
Versions	1.0 (2012-02-03) 2.0 (2017-10-20): This version includes SFMR data reprocessed using the new operational algorithm that is based on Klotz and Uhlhorn (2014). The updated algorithm improves the separation of the wind and rain in the microwave signal in order to reduce a high wind speed bias at wind speeds below about 60 kt. In so doing, rain rates are also more representative within the instrument limitations. A low bias in the strong wind speeds (over 120 kt) is reduced as well. (Only the current version of the data is available to order. If you have questions about a prior version, please email us.)
Subscribe	Subscribe to receive email when new or updated data is available.
Related projects	ITOP: Impact of Typhoons on the Ocean in the Pacific
Frequency	1 minute
Language	English
Categories	Accompanying Archives Aircraft Meteorology
Platforms	USAF C-130
Instruments	Stepped Frequency Microwave Radiometer - SFMR
GCMD Science Keywords	BRIGHTNESS TEMPERATURE DEW POINT TEMPERATURE FLIGHT LEVEL WINDS GEOPOTENTIAL HEIGHT PRECIPITATION RATE SALINITY SEA LEVEL PRESSURE SEA SURFACE TEMPERATURE TROPICAL CYCLONES UPPER AIR TEMPERATURE WIND SPEED Show 8 more... Expand keywords
Documentation	ITOP_USAF_C130_Flight_Level_V2.0.txt [3 KiB] ITOP_WC130J_flightlevel_readme.pdf [80 KiB] usaf_flight_level_format.html [6 KiB]
Related links	info: ITOP 2010 Missions info: ITOP Data Policy homepage: ITOP Project Homepage

Temporal coverage

Begin datetime	2010-08-22 00:00:00
End datetime	2010-10-18 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 33.00, Minimum (South) Latitude: 10.00
Minimum (West) Longitude: 124.00, Maximum (East) Longitude: 148.00

Primary point of contact information

Patrick Harr <paharr@nps.edu>

Additional contact information

author: Patrick Harr <paharr@nps.edu>
author: Andrew Penny <abpenny@nps.edu>

Citation

Harr, P., Penny, A. 2017. USAF C-130 Flight Level 60-second Resolution Data. Version 2.0. null. https://doi.org/10.26023/62E0-6A0W-8205. Accessed 15 Dec 2025.

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