(redirected from Orographic Precipitation Radar)
OPRAOpen Public Records Act (New Jersey)
OPRAOptions Price Reporting Authority
OPRAOccupational Pensions Regulatory Authority (UK government)
OPRAOhio Parks and Recreation Association
OPRAOhio Provider Resource Association
OPRAOperator and Pollution Risk Appraisal
OPRAOccupational Physicians Reporting Activity
OPRAOttawa Photonics Research Alliance (Canada)
OPRAOffice Products Recycling Associates
OPRAOperator Performance and Risk Appraisal
OPRAOffice Products Representatives Association
OPRAOrographic Precipitation Radar
OPRAOffice of Program Review and Audit
OPRAOcean Pollution Reduction Act of 1994
OPRAOklahoma Passenger Rail Association
OPRAOffice of Preaward Research Administration
OPRAOhio Private Residential Association
OPRAOakland Park Rangers Association
OPRAOlympic Peninsula Rental Association (Port Angeles, WA)
OPRAOutdoors Program/Recreational Athletics
OPRAOverpayment Recovery Amount
OPRAOttawa Policy Research Associates (Canada)
OPRAObsolete Property Rehabilitation Act of 2000
OPRAOffice of Privatization and Regulatory Affairs (Canada)
OPRAOnline Patient Report Access
OPRAOffice Products Representatives Alliance
OPRAOutlaw Pontiac Racers Association
OPRAOnline Porn Reviewers Association
OPRAOccupational Pensions Regularity Authority (UK)
OPRAOffset Parabolic Reflector Antenna