AGS Field Weather
The weather data and forecast images (.jpg & .png) presented on this page are obtained from the National Weather Service (NWS) through it's XML services described here:
The XML data is obtained and presented by the AGS and used in accordance with:
This does not constitute an endorsement by the NWS of any information, products or services by the content provider. The NWS does not own or operate this site and is not responsible for site maintenance or data accuracy. Use this data at your own risk.
Sunrise and sunset azimuth angles are calculated based on the approximation equations by Professor Richard B Goldstein (retired) Providence College Math Department*.
Sunrise and sunset times and hourly azimuth angles are calculated based on the equations by C.B.Honsberg and S.G.Bowden, "Photovoltaics Education Website", www.pveducation.org, 2019. The following links are provided for reference*:
A wind barb is a graphical representation of wind speed and direction. The wind barbs on this page use miles per hour (mph) instead of knots (kt). A short barb represents 5 mph, a long barb 10 mph, a penant represents 50 mph. No Wind conditions are represented with just a reference circle. Wind speeds of greater than 0 mph and less than 2 mph are indicated by a reference circle and a staff. Wind direction is a 36 point compass (10° per point, north: 0°, east: 90°, south: 180°, west: 270°). Wind is always blowing "from" the barbs toward the reference circle.
Here is an example of a wind barb representing a 195 mph wind blowing from the WNW (300°)
3 penants * 50 mph/penant = 150 mph 4 long barbs * 10 mph/long barb = 40 mph 1 short barb * 5 mph/short barb = 5 mph total = 195 mph
An azimuth is the angle from north (compass bearing) that an observer must turn to find a celestial body in the sky. The observer then looks above the horizon the celestial body's elevation angle to find the object in the sky. For simplicity only the sun's azimuth angle is graphed to determine when the sun will be positioned behind the pilot's back.
XML Feed Files
The National Weather Service updates the databases used on this site on an an hourly basis at approximately 50 minutes past the hour. The files are cached locally on the site in accodance with the National Weather Service policy for data usage. Refreshing this page constantly will not get you the lastest forecast data or fresh data until it is available.
Current Weather Conditions and Foreasts
67.0 F (19.4 C)
- Humidity 91 %
- Wind Southwest at 9.2 MPH (8 KT)
- Wind Gust 15 MPH (13 KT)
- Barometer 29.88 in. (1010.8 mb)
- Dew Point 64.0 F (17.8 C)
- Visiblility 6.00 miles
- CloudCover 70 %
- Last Updated on Jul 25 2021, 5:53 am EDT
Chance Showers then Slight Chance T-storms
Sunny then Chance T-storms
Chance T-storms then Chance Showers
- A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, then gradually becoming sunny, with a high near 84. South wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
- Mostly clear, with a low around 59. Light and variable wind.
- Sunny, with a high near 83. Calm wind becoming northwest 5 to 8 mph in the morning.
- Monday Night
- Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.
- A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 40%.
- Tuesday Night
- A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.