Radiosonde Atmospheric Temperature Products for Assessing Climate (RATPAC), Version 2
Dataset Identification:
Resource Abstract:
The Radiosonde Atmospheric Temperature Products for Assessing Climate (RATPAC) consist of time series of radiosonde-based
temperature anomalies for the years 1958-present in which the temporal inhomogeneities resulting from changes in instruments
and observing practices have been reduced to the extent possible. Developed through a collaborative effort involving NOAA
scientists from the Air Resources Laboratory, the Geophysical Fluid Dynamics Laboratory, and NCEI, the RATPAC time series
are based on data from 85 stations distributed around global land areas and are available on 13 atmospheric pressure levels:
the surface, 850, 700, 500, 400, 300, 250, 200, 150, 100, 70, 50, and 30 hPa. Two sub-products, RATPAC-A and RATPAC-B, were
derived using different approaches to meet this need based largely in part on the Temporal Homogenization of Monthly Radiosonde
Temperature Data (LKS) bias-adjusted dataset. RATPAC-A contains adjusted global, hemispheric, tropical, and extratropical
mean temperature anomalies. From 1958 through 1995, the bases of the data are on spatial averages of LKS adjusted 87-station
temperature data. After 1995, they are based on the Integrated Global Radiosonde Archive (IGRA) station data, combined using
a first difference method. RATPAC-B contains data for individual stations as well as large-scale arithmetic averages corresponding
to areas used for RATPAC-A. The station data consist of adjusted data produced by LKS for the period 1958-1997 and unadjusted
data from IGRA after 1997. The regional mean time series in RATPAC-B are based on arithmetic averaging of these station data,
rather than the first difference method used to create RATPAC-A. The difference between this version and the original version
of RATPAC is that the IGRA component of Version 2 is taken from IGRA v2 rather than IGRA v1.
Citation
Title Radiosonde Atmospheric Temperature Products for Assessing Climate (RATPAC), Version 2
alternateTitle
RATPAC 2
creation Date
2016-09
Edition Version 2.0
presentationForm
tableDigital
cited responsible party
-
publisher
organisation Name
DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
cited responsible party
-
originator
individual Name Durre, Imke
organisation Name
DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE
EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > UPPER AIR TEMPERATURE
thesaurus name >
Title Global Change Master Directory (GCMD) Science and Services Keywords
revision Date
2015-08-04
Edition Version 8.1
cited responsible party
-
publisher
organisation Name
NASA/GSFC/SED/ESD/GCDC/GCMD > Global Change Master Directory, Global Change Data Center, Earth Sciences Division, Science
and Exploration Directorate, Goddard Space Flight Center, NASA
Description Overview of the GCOS Essential Climate Variables.
target application profile
Web Browser
Location keywords:
GEOGRAPHIC REGION > GLOBAL LAND
thesaurus name >
Title Global Change Master Directory (GCMD) Location Keywords
revision Date
2015-04-07
Edition Version 8.1
cited responsible party
-
publisher
organisation Name
NASA/GSFC/SED/ESD/GCDC/GCMD > Global Change Master Directory, Global Change Data Center, Earth Sciences Division, Science
and Exploration Directorate, Goddard Space Flight Center, NASA
Title Global Change Master Directory (GCMD) Location Keywords
revision Date
2015-04-07
Edition Version 8.1
cited responsible party
-
publisher
organisation Name
NASA/GSFC/SED/ESD/GCDC/GCMD > Global Change Master Directory, Global Change Data Center, Earth Sciences Division, Science
and Exploration Directorate, Goddard Space Flight Center, NASA
Title Global Change Master Directory (GCMD) Instrument Keywords
revision Date
2015-10-02
Edition Version 8.1
cited responsible party
-
publisher
organisation Name
NASA/GSFC/SED/ESD/GCDC/GCMD > Global Change Master Directory, Global Change Data Center, Earth Sciences Division, Science
and Exploration Directorate, Goddard Space Flight Center, NASA
Title Global Change Master Directory (GCMD) Platform Keywords
revision Date
2015-09-23
Edition Version 8.1
cited responsible party
-
publisher
organisation Name
NASA/GSFC/SED/ESD/GCDC/GCMD > Global Change Master Directory, Global Change Data Center, Earth Sciences Division, Science
and Exploration Directorate, Goddard Space Flight Center, NASA
Title Global Change Master Directory (GCMD) Data Resolution Keywords
revision Date
2013-03-19
Edition Version 8.1
cited responsible party
-
publisher
organisation Name
NASA/GSFC/SED/ESD/GCDC/GCMD > Global Change Master Directory, Global Change Data Center, Earth Sciences Division, Science
and Exploration Directorate, Goddard Space Flight Center, NASA
DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
thesaurus name >
Title Global Change Master Directory (GCMD) Data Center Keywords
revision Date
2015-10-02
Edition Version 8.1
cited responsible party
-
publisher
organisation Name
NASA/GSFC/SED/ESD/GCDC/GCMD > Global Change Master Directory, Global Change Data Center, Earth Sciences Division, Science
and Exploration Directorate, Goddard Space Flight Center, NASA
Title Virtual International Authority File (VIAF) Corporate Names
publication Date
2018-12-15
other Citation Details
Cinergi keyword enhanced.File generated at Sat Dec 15 05:00:46 UTC 2018
purpose:
RATPAC is intended to be used for the assessment of long-term changes in tropospheric and lower-stratospheric temperatures
on large spatial scales. For analyses of interannual and longer-term changes in global, hemispheric, and tropical means, use
of RATPAC-A is recommended since it contains the most robust large-scale averages. For individual station data, monthly data,
or regional means on smaller scales, use of RATPAC-B, is recommended, albeit with careful attention to the potential of inhomogeneities
influencing the analysis after 1997. For analyses that require data not included in RATPAC and that are less sensitive to
long-term biases, users are referred to the Integrated Global Radiosonde Archive (IGRA).
Browse image (thumbnail):
thumbnail file name:
file type: PNG
thumbnail file description:
Upper air balloon
Resource language:
eng; USA
Resource progress code:
onGoing
Resource Maintenance Information
maintenance or update frequency:
monthly
Constraints on resource usage:
Constraints
Use limitation statement:
Approximately 15 of the 85 stations used have closed since the 1990s, resulting in a decrease in the station density over
time. The impact of this reduction in the station network on the RATPAC time series has not been assessed.
Constraints on resource usage:
Legal Constraints
use constraint:
otherRestrictions
Other constraints
Cite this dataset when used as a source: Durre, Imke; Xungang, Yin; Vose, Russell S.; Applequist, Scott. Radiosonde Atmospheric
Temperature Products for Assessing Climate, Version 2. [indicate subset used]. NOAA National Centers for Environmental Information.
DOI:10.7289/V5SF2T7J [access date].
Constraints on resource usage:
Legal Constraints
use constraint:
otherRestrictions
Other constraints
NCEI cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure
of the data to function on a particular system. NCEI makes no warranty, expressed or implied, nor does the fact of distribution
constitute such a warranty. NCEI can only certify that the data it distributes are an authentic copy of the records that were
accepted for inclusion in the NCEI archives.
Spatial representation type code:
textTable
Processing environment:
The data were processed under Linux using several Fortran 77 programs and one bash script.
Resource extent
Geographic Extent
Geographic Bounding Box
extent Type Code
1
westBoundLongitude
-180.0
eastBoundLongitude
180.0
northBoundLatitude
90.0
southBoundLatitude
-90.0
Temporal Extent
ground condition
1958
1
point of contact
-
pointOfContact
organisation Name
DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
position Name Customer Engagement Branch
Contact information
Telephone
Voice 1-828-271-4800
Fax 1-828-271-4876
Address
151 Patton AvenueVeach-Baley Federal Building, Room 468, Asheville, NC, 28801-5001
Country USA
Description NCEI home page with information, data access and contact information.
target application profile
Web Browser
hoursOfService 8:00 - 6:00 Eastern
Format
Format name XML
Format version
Standard ordering process
fees In most cases, electronic downloads of the data are free, however fees may apply for data certifications, copies of analog
materials, and data distribution on physical media.
Digital Transfer Options
transfer Size 1
Linkage for online resource
name Radiosonde Atmospheric Temperature Products for Assessing Climate (RATPAC), Version 2 Landing Page
Description NCEI home page with information, data access and contact information.
target application profile
Web Browser
hoursOfService 8:00 - 6:00 Eastern
Format
Format name ASCII
Format version
file Decompression Technique
zip
Standard ordering process
fees In most cases, electronic downloads of the data are free, however fees may apply for data certifications, copies of analog
materials, and data distribution on physical media.