CIMO Guide

Back to OWR

PROCESS FOR UPDATING THE CIMO GUIDE

(to obtain the MS-Word version of specific chapters of the CIMO Guide to propose updates, please contact: iruediatwmo [dot] int)

Found a typo/error in the CIMO Guide?

Inform the Secretariat by sending an e-mail describing the error to: iruediatwmo [dot] int.

PRELIMINARY 2018 EDITION OF THE CIMO GUIDE (WMO-No.8) 

The Preliminary 2018 Edition of the Guide to Meteorological Instruments and Methods of Observation (WMO-No. 8, CIMO Guide) is now available for consideration by Members.

To examine the text and send your detailed comments or suggestions please click here.

LATEST VERSION OF THE CIMO GUIDE

WMO GUIDE TO METEOROLOGICAL INSTRUMENTS AND METHODS OF OBSERVATION 
(the CIMO Guide)

WMO-No. 8 (2014 edition, Updated in 2017)

(Note: Previous editions of the CIMO Guide are available from WMO Library, either by subscribing here, or by sending a request to library(at)wmo.int.)

CHAPTER

TITLE

 Preface
PART IMEASUREMENT OF METEOROLOGICAL VARIABLES (contents)
1General
2Measurement of temperature
3Measurement of atmospheric pressure
4Measurement of humidity
5Measurement of surface wind
6Measurement of precipitation
7Measurement of radiation
8Measurement of sunshine duration
9Measurement of visibility
10Measurement of evaporation
11Measurement of soil moisture
12Measurement of upper-air pressure, temperature, humidity
13Measurement of upper wind
14Observation of present and past weather; state of the ground
15Observation of clouds
16Measurement of atmospheric composition
PART IIOBSERVING SYSTEMS (contents)
1Measurements at automatic weather stations
2Measurements and observations at aeronautical meteorological stations
3Aircraft-based observations
4Marine observations
5Special profiling techniques for the boundary layer and the troposphere
6Electromagnetic methods of lightning detection
7Radar measurements
8Balloon techniques
9Urban observations
10Road meteorological measurements
PART III 
1Introduction
2Principles of Earth observation from space
3Remote-sensing instruments
4Satellite programmes
5Space-based observation of geophysical variables
6Calibration and validation
7Cross-cutting issues
PART IV
1Quality management
2Sampling meteorological variables
3Data reduction
4Testing, calibration and intercomparison
5Training of instrument specialists

Note: The 2014 edition corresponds to the eighth edition.