Significant low elevation rain and higher elevation snow is expected across central California and the Pacific Northwest into the Rockies through the weekend. A wintry mix and some ice accumulation will impact portions of the Central Plains through the Upper Midwest through Saturday. Widespread rain is forecast across the Southern Plains into the Mid-Mississippi and Ohio valleys this weekend. Read More >
Telecommunication Operations Center
National Program
The The World Meteorological Organization (WMO) is a specialized agency of the The United Nations (UN) of which 179 States and 6 Territories are Members. It was created:
In support of the communications aspects of the WMO World Weather Watch, the National Weather Service uses the Gateway in supporting the WMO. This is accomplished by operating the WMO Region IV "Regional Telecommunication Hub" (RTH) on the Global Telecommunication System. The RTH collects regional data and products and switches onto the GTS all meteorological data and products received as required through prior established data requirements.
The WMO Member countries have a Commission for Basic Systems (CBS) meeting every two years, in which new code recommendated changes, telecommunication protocol recommendations, and Abbreviated Heading Table updates are approved. After approval these changes are entered into the WMO codes manual 306 and 386. The last meeting of CBS was held in Geneva, Switzerland. The final report of the 2000 CBS XII [1,025K pdf] attached record of actions contain the new recommendations and can be reviewed for the most current changes approved.
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Telecommunication Operations Center
1325 East West Highway
Silver Spring, MD 20910
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