National Weather Service United States Department of Commerce

Wet and Unsettled in the Pacific Northwest; Wintry Mix from Rockies into the Plains.

Another strong Pacific storm will bring rain, heavy at times, from northern California to western Washington; and heavy snow to the Northwestern mountains. A separate system will impact the Rockies and into the Plains with a wintry mix. Dangerously cold wind chills will continue through Alaska, especially, across northern Alaska where wind chills could reach minus 70 degrees. Read More >


WMO Publications & Manuals

Related to Telecommunications &
Meteorological Codes

[ Met Services of the World | Weather Reporting | Technical Regulations |
Manual on Codes | Manual on the Global Telecommunication System ]


WMO Catalog of Publications

How to Order a Publication

Met Services of the World

WMO Manual 2


ISBN: 92-63-03002-2

Contains details of the national Meteorological Services and state meteorological organizations and institutes, their publications, and the authorities responsible for aeronautical meteorological services.

Weather Reporting

WMO Manual 9


This is the reference publication on the facilities and service available in operation of the World Weather Watch. It is a multi-volume publication, loose-leafed, constantly kept up to date by a regular supplement service or new editions. Also available on tape.

VOLUME A - Observing Stations

List of all synoptic stations for which changes have occurred since the previous issue.

VOLUME C - Transmissions

Contains schedules of broadcasts and point-to-point transmission of coded meteorological information and facsimile transmissions, arranged under WMO Regions plus a section for the Antarctic.


Reprint of Volume C, Chapter I

Technical Regulations

WMO Manual 49


Volume I - General meteorological standards and recommended practices Basic Documents No. 2

This volume contains the regulations concerning the World Weather Watch; climatology; meteorological services for marine activities, agriculture and environmental pollution; meteorological bibliography and publications; education and training; units and procedures used in international meteorological research programs and during special observational periods.

Volume II - Meteorological service for international air navigation

Basic Documents No. 2

ISBN: 92-63-15049-4

These regulations, agreed upon with ICAO, cover the basic obligations for the provision of meteorological services to international air navigation.

Volume III - Hydrology

Basic Documents No. 2

ISBN: 92-63-14049-9

This volume contains definitions of technical terms, a classification of hydrological observing stations, and guidance on the establishment of networks of these stations, their identification, observing programs, equipment and methods of observation. It also contains a chapter on meteorological services for hydrology.

Manual on Codes

WMO Manual 306


Volume I - International codes; Part A - Alphanumeric
ISBN: 92-63-14306-4

VOLUME I - International codes; Part B - Binary codes
ISBN: 92-63-14306-4

VOLUME II - Regional and national coding practices
ISBN: 91-63-13306-9

Volume I contains WMO international codes for meteorological data and other geophysical data relating to meteorology, and constitutes Annex II to the WMO Technical Regulations. The relevant regulations are given for each code form. Volume II contains, for the six WMO Regions and the Antarctic, the procedures for the use of international code forms as well as regional code forms and national coding practices, including national code forms.

Manual on the Global Telecommunication System

WMO Manual 386


Volume I - Global aspects
Volume II - Regional aspects

A manual intended: (a) to facilitate co-operation in respect of meteorological telecommunications between Members; (b) to specify obligations of Members in the implementation of the World Weather Watch Global Telecommunication System (GTS); (c) to ensure uniformity and standardization in the practices and procedures employed in achieving (a) and (b) above. Volume I constitutes Annex III to the Technical Regulations.