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(SLP - sea level pressure)
 
 


 
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Accuracy
Live weather and forecast weather information is derived from 5 different information sources including: an automatic weather station (if available for your region), field observations, regional METAR reports, an on-site UK-wide lightning detector and a regional forecast data feed from NOAA. This is combined and processed by a range of specialist software every 10 minutes. Whilst we endeavour to be the most accurate source of local weather data available, we cannot 'guarantee' accuracy. Meteorological calculations are standard calculations for wind speed, temperature, dew point, windchill and heat index and assume standard ELR.
Background
The creator of Nowcast.co.uk, Jon Sims, is a Fellow of the Royal Meteorological Society and a Member of the BCS Human Computer Interaction Group.
Copyright
All images, text, data and algorithms used on this website are copyright 2004-2005 Sims Interactive. Road warning signs that appear on this website are copyright designs of Sims Interactive and infer no association with Highways Agency of the UK. Copying of any form is strictly forbidden without prior arrangement with Sims Interactive.
Disclaimer
Nowcast.co.uk is a trading name of Sims Interactive. Sims Interactive or any of its employees will not be held liable for any consequence arising from the use of the information in this website or of information in any linked websites.
The absence of warning signs or alerts on the site doesn't mean that the prevailing weather conditions are necessarily 'safe' or that inclement weather may not arise suddenly. If there are no warnings indicated for your chosen destination but you need to make a decision about your personal safety you should consult with third party organisations such as The Meteorological Office, Local Police or Highways Agency.
For your subscription information please visit: www.nowcast.co.uk/intro/main.htm
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7 day planning charts
3 types of drill-down weather chart...
 


Sun & Moon Information
Updated every 24 hours.


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Sound & Display Preferences
Set your weather information preferences below then click 'Set Preferences' to activate. To set them to the normal settings click 'Set to Default'.
Units 
Temperature °C °F
Barometer mb inches
Wind mph kts
Rain mm inches
Heights metres feet
Information
Max/Min temp
 
Recent wind gust
 
Total rain today
 
Mountain info.  
AudioVisual Hazard Warnings

Use special sound effects instead of
alarm sound?


Warning Triangles
on
off  
Sounds
Ice/Ground Frost
Hail/Sleet/Snow
Fog/Low Cloud
High Winds
Thunderstorm
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Ambient Light This shows sky light intensity on a white ball with its prevailing shadow e.g.
Surface (grass) conditions
surface dry
rain or dew
present
rain or dew with
sunlight
grass frost
present
unplayable due to ice and snow
Wind conditions Showing wind direction and speed for the beginning and end of the forecast period e.g
Indicates the likelihood and intensity of any thundery activity during the forecast period.
Indicates the MAXIMUM UV index value for the forecast period.
0
  Little chance of thundery activity
0 - 2
 Low risk of any skin damage.
1
  Thundery activity possible
2
  Thundery activity probable
3 - 5
 Medium to High risk of damage to fair skin types.
3
  Short lived T-Storms possible
4
  Short lived T-Storms probable
6 -7
 High risk of damage to fair skin types. Medium risk of damage to darker skin types.
5
  ModerateT-Storms possible
6
  Moderate T-Storms probable
7
  Mod to Severe T-Storms possible
8 - 10
 Very High risk of damage to fair skin types. An increasingly High risk of damage to all other skin types.
8
  Mod to Severe T-Storms probable
9
  Severe T-Storms possible
10
  Severe T-Storms probable

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