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, 2-day lag)
Data access:
Year 2017 Interim: olr-daily_v01r02-preliminary_20170101_latest.nc
Year 2016 Interim: olr-daily_v01r02-preliminary_20160101_20161231.nc
Year 1979-2015 Final: NCDC Daily OLR CDR Data Server
Link to Animation of Interim Daily OLR fields for Year 2017
Link to Animation of Interim Daily OLR fields for Year 2016
Link to Animation of Final Daily OLR fields for Year 2015
Link to 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 (HRIS) on-board NOAA TIROS-N series and Eumetsat MetOp-A/B polar-orbiting satellites
Version info: v02r07 (latest revision beta-release); v02r02-1 (current public release)
Data access (1979-present, updated monthly on the 5th):
v02r07: olr-monthly_v02r07_197901_latest.nc
v02r02-1: olr-monthly_v02r02-1_197901_201705.nc (updated monthly on the 5th)
Link to Animation of Monthly OLR fields for 1979 to present
Please contact Dr. Hai-Tien Lee lee@umd.edu for any questions.
This CDR was funded in part by NOAA's Climate Data Record (CDR) Program located in Asheville, NC at the National Centers for Environmental Information