NWS Code Lists
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- Airmet Product Description
- Airmet Series
- Basis for Issuance
- Convection Coverages
- Convection Top Indicator
- Forecast Guidance Confidences
- Hazard Types
- Maximum Convection Top Heights
- Mesoscale Convective System Forecast Types
- Phenomenon Characteristic
- Phenomenon Frequency
- ProductStatus
- SIGMET Convection Geometry
- Tornadic Activity
- US Aeronautical Significant Weather Phenomenon
NWSI 10-503
This page contains code tables associated with National Weather Service (NWS) Instruction 10-503, WFO Public Weather Forecast Products Specification, including any regional variants to the national directive.2014