Rational Technologies
Dramatic rain shaft beneath a monsoon cloud over an open New Mexico landscape

Meteorological Agencies

Every forecast begins with an observation.

Connect the conditions on the ground with the meteorological record your agency needs.

Explore the observation journey

New Mexico Monsoon 2011 — Leaflet, CC BY-SA 3.0 · Source & license · Cropped for layout.

OBSERVING NETWORKS

A clearer picture of the weather starts on the ground.

An observation network has to describe different places, make records comparable, and keep those records useful over time.

Fog over wooded fields and varied terrain
One atmosphere. Many local conditions.
01

Coverage

Choose locations that represent the geography and weather questions the network is intended to serve.

02

Consistency

Define what is measured, how it is sampled and which measurement details accompany each record.

03

Continuity

Keep a traceable history of maintenance, changes and interruptions so future comparisons retain context.

Editorial landscape photo: Nathan Anderson · CC0 source; not an RTPL site.

DIFFERENT SITES, DIFFERENT CHALLENGES

The weather changes with the landscape. So should the measurement approach.

Coasts, urban centres, elevated terrain and rural land each bring different exposure, access and operating constraints.

CoastalSalt exposure & strong winds
UrbanObstructions & heat
ElevatedExposure & remote access
RuralRepresentative open-country conditions

Original conceptual terrain illustration; not a geographic map or specific RTPL installation.

OBSERVATION PRIORITIES

The right observations begin with the right questions.

Every parameter adds a different part of the picture. The observing programme defines what needs to be measured.

01

Temperature & humidity

Describe the thermal and moisture conditions at a site.

02

Wind speed & direction

Characterise local wind behaviour and changing conditions.

03

Precipitation

Document rainfall amount, timing and intensity.

04

Atmospheric pressure

Understand variations in the pressure field.

05

Solar radiation

Measure incoming solar energy when programme objectives require it.

06

Specialised observations

Define additional parameters by the agency's observing programme.

MEASUREMENT INTEGRITY

An accurate sensor can still tell an incomplete story.

Position, surrounding structures and exposure can influence the meaning of a reading — even when the sensor works correctly.

Considered exposure — site and instrument placement are evaluated against the observing objective.

Potentially affected exposure — nearby structures can influence airflow, heat and representativeness.

Explanatory illustration; not a WMO site classification or engineering installation drawing.

FROM FIELD TO INSTITUTIONAL RECORD

A reading is only the beginning.

Timestamp, station identity, delivery status, quality checks and metadata help an observation become usable beyond the site.

01

Observe

Measure conditions in the field

02

Acquire

Record sensor identity and time

03

Transmit

Carry data from remote sites

04

Quality-check

Review flags and suspicious values

05

Record

Retain data with its context

Conceptual agency data workflow; not a claim that RTPL provides all five software functions.

LONG-TERM OPERATIONS

Reliable observations don't end at installation.

Site planning, commissioning, maintenance and documented changes keep observation records meaningful over time.

01

Plan for the site

Review the location, observing objective, exposure and site access.

02

Specify the system

Match sensors, acquisition, power and telemetry to requirements.

03

Commission and verify

Document installation, configuration, checks and baseline condition.

04

Maintain and document

Record calibration, outages, replacements and changes over time.

RELEVANT RTPL OFFERINGS

Start with the measurement. Then choose the instrument.

Explore complete weather observation systems or go directly to individual instrumentation and acquisition options.

USGS Garden Wall weather observation station, Glacier National Park
USGS Garden Wall station · Public domain · Not an RTPL installation
RELATED SOLUTION

Automatic Weather Stations

Understand sensor selection, data acquisition, power and communications in a complete weather observation system.

Explore AWS solution ↗
MetConnect RTPL catalogue illustrationGill Instruments · weather-station family

MetConnect

Multi-parameter weather station with model-dependent additional sensor inputs.

View product ↗
MaxiMet RTPL catalogue illustrationGill Instruments · compact weather stations

MaxiMet

Compact station family. Parameters depend on the selected model and configuration.

View product ↗
Data logging options RTPL catalogue illustrationAcquisition and recording

Data logging options

Review logging requirements, supported interfaces and instrument selection.

View product ↗

Instrument configuration and suitability must be confirmed for the observing programme.

Planning a measurement system?

Tell us what you need to measure, where the system will operate, and what record you need.

01What to measure
02Operating environment
03Required record

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