Outgoing Longwave Radiation Climate Data Record
UMD OLR CDR Portal
Current time:
(Day of Year=)
Products:
1. Daily Mean OLR
- Spatial resolution: 1°x1° equal-angle grid
Temporal coverage: 1979.01.01 - day before yesterday
Refresh rate: daily (36-hr lag)
Observation sources: High-resolution Infrared Radiation Sounder (HRIS) on-board NOAA TIROS-N series and Eumetsat MetOp-A/B polar-orbiting satellites; Imagers on-board operational geostationary satellites (via Gridsat CDR and NESDIS GSIP products)
Version info: v01r02 (final CDR); v01r02-preliminary (interim CDR, 36-hr lag)
Data access:
Year 2019 Interim: olr-daily_v01r02-preliminary_20190101_latest.nc
Year 2018 Final: olr-daily_v01r02_20180101_20181231.nc
Year 1979-2017 Final: NCEI Daily OLR CDR Data Server
Year 1979-2018 Final, Concatenated: olr-daily_v01r02_19790101_20181231.nc
THREDDS: NCEI THREDDS Data Server for Daily OLR CDR
Animation of Interim Daily OLR fields for Year 2019
Animation of Final Daily OLR fields for Year 2018Animation of Final Daily OLR fields for Year 2017
Animation of Final Daily OLR fields for Year 2016
Animation of Final Daily OLR fields for Year 2015
Animation of Final Daily OLR fields for Year 2014
2. Monthly Mean OLR
- Spatial resolution: 2.5°x2.5° equal-angle grid
Temporal coverage: January 1979 - last month
Refresh rate: monthly (on the 5th of the month)
Observation sources: High-resolution Infrared Radiation Sounder (HIRS) on-board NOAA TIROS-N series and Eumetsat MetOp-A/B polar-orbiting satellites
Version info: v02r07 (new, replacing v02r02-1 since July 2018)
Data access (1979-present, updated monthly on the 5th):
v02r07: olr-monthly_v02r07_197901_latest.nc (updated monthly on the 5th)
THREDDS: NCEI THREDDS Data Server for Monthly OLR CDR
Animation of Monthly OLR fields for 1979 to present
Please contact Dr. Hai-Tien Lee lee@umd.edu for any questions.
OLR CDR products are funded in part by NOAA National Centers for Environmental Information (NCEI) Climate Data Record (CDR) Program.