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Real-Time WeatherWatch

PDF print version of this specification : A4 or Letter

RealTime WeatherWatch (RTWW) provides real-time weather information from multiple remote sites on an interactive web page. Weather trends are displayed allowing clients to monitor and predict weather patterns. A digital camera captures high-resolution images which are displayed on a web page allowing the World Wide Web client to view the selected site and its weather conditions.


The RTWW features are as follows :

  • Display of current weather variables including : wind speed, wind direction, air temperature, relative humidity, barometric pressure
  • Display of daily high and low temperatures
  • Display of high wind speed and wind chill
  • Display of rainfall
  • Display of recent weather patterns
  • Display of images


  • Online weather reports for surfers, windsurfers, fishermen, divers, hang-gliders and other sports enthusiasts
  • Weather monitoring and data gathering
  • Viewing or surveillance of remote sites
  • Long term climate monitoring
  • Prediction of local weather trends
  • Surf and swell surveillance
  • Agricultural monitoring
  • Security systems and surveillance systems
  • Traffic monitoring


Custom software running on the remote PC records local weather information from the weather sensors and camera via modem and leased or dial-up line. A table provides HTTP links to the pages displaying weather data and images as well as providing links to other related pages.

RTWW Architecture

The RTWW consists of the following components :

  • Weather Sensors
  • Weather Monitor and Data Logger
  • Camera
  • Remote Weather Station with modem and Uninterruptable Power Supply (UPS)
  • Dial-up or leased line connectivity to the RTWW Web Server via the Public Switched Telephone Network (PSTN) Web Server
  • Leased line or dial-up connection via an Internet Service Provider (ISP) to the Web Client

RTWW Specifications

Weather Monitor and Sensors
  • Anemometer
  • Wind Vane
  • Indoor and Outdoor Temperature Sensors,
  • Indoor Relative Humidity Sensor
  • Barometric Pressure Sensor
  •  Rain Gauge
Anemometer Measures wind speed up to 250 km/h
Wind Vane Measures wind direction in 1 or 10 degree increments
Temperature Sensors Measures air temperature from -45 to 60 Celsius to 1 degree accuracy
Relative Humidity Sensors Measures humidity to 1% accuracy
Weatherlink Data Logger Performs interface between PC and weather instruments
Web Camera 640 x 480 resolution at 0,5 fps
Remote PC
  • Pentium Processor
  • 32 Mbytes RAM
  • SVGA Video Card
  • 2 Parallel Ports, 4 Serial Ports
  • Windows NT V4.0
  • Framegrabber Card
  • 700 VA UPS
Modems Dial-Up Modems       : 33,6 K modems (56 K enabled)
Leased Line Modems : 4-wire line modems
Web Server
  • Pentium Processor
  • 32 Mbytes RAM
  • SVGA Video Card
  • 2 Parallel Ports, 8 Serial Ports
  • Windows NT V4.0 Webserver

 Visit our Real-Time WeatherWatch !

S0004   Issue 2 Rev.1   2010-09-01
CCII Systems (Pty) Ltd P.O. Box 171 Rondebosch 7701  South Africa 
Telephone : (+27 21) 683 5490 Facsimile : (+27 21) 683 5435 WWW : www.ccii.co.za