A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >
| WIGOS IDs |
WIGOS Station Identifier (WSI) is used to register an observing station or platform in the OSCAR/Surface database. |
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RWCs play a critical role in advancing the implementation of WIGOS within their Region or subregion, providing regional coordination and technical support to Members. |
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| OSCAR/Surface |
OSCAR is WMO's global repository of surface and space observing system capabilities. OSCAR is a web-based tool in which metadata is registered, managed and archived. It records observing system requirements and allows critical reviews of how well actual capabilities address requirements. |
| WDQMS |
Welcome to the WIGOS Data Quality Monitoring System (WDQMS) webtool. |
| IWXXM Format |
IWXXM (ICAO Meteorological Information Exchange Model) is a format for reporting weather information in XML/GML. IWXXM includes XML/GML-based representations for products standardized in International Civil Aviation Organization (ICAO) Annex III and World Meteorological Organization (WMO) No.306 Manual. |
