Current Weather   Data As of   12:00   on  1/7/09


Forecast Made By Vantage Pro Instrument   Based Only On Current Obs.  
 Increasing clouds and cooler. Precip possible within 6 hrs Windy with possible wind shift to the W NW or N  
Current Weather Heated Precip.
Sensor
Precip.=15
No Precip.=0
NOT Heated
Dew & Precip.   Wet=15   DRY=0
Time Since
Last
Measurable
Precipitation
Current Solar
Radiation and
Trend Past Hr.
Today's  Max.
Glen Allen Temp.
Trend Past Hr.
Weather Icon 0  Now
15  Max
3:12  Time
12  Now
15  Max
0:00  Time

65 Watts/M²
24 Watts/M²
120 Watts/M²
40.9 °F     2.25 °F

Richmond Airport Temp.
   Click for Richmond, Virginia Forecast
Comfort Level-
Cool
Precipitation Rate-
0.000 inches
Beaufort Scale-
  Calm
 ** Est. Cloud Base-
0 FT
Heat Index  48.1 °F
Wind Chill  40.9 °F
Precipitation Last Hour-
0.01  inches
Current Wind Gust-
       7  MPH
Past Hr. -1.0 MPH
Barometer-
29.22 inches
Past Hr. -0.067 inches
Dew point Temp.-
40.9 °F
Past Hr. 2.26 °F
Today's Precipitation-
0.44 inches
Today's High Wind Gust-
17 MPH At 11:16
Today's Max. 1 Hour Change-
0.043 inches
Relative   Humidity-
100  %
Past Hr. 0.0 %
24-Hour Precipitation-
0.66 inches
Today's Ave. Wind Direct.-
220 Degrees    Now   SSW
Barometer Trend-
Falling
 **Virtual Wx. Station uses the formula Cloud Base(Ft)=250(Temp. - Dew Pt.) to estimate the height. The Height that air contains a perceptible quantity of cloud particles to become visible. This will be calculated even if conditions do NOT permit cloud formation.
 +The unit for solar radiation is Watts per Square Meter
Other Current Conditions Links
Detailed Obs. Precip. Obs.
Temperature Obs.
Barometer Obs.
Wind Obs.
Rel. Humidity Obs.
Solar Radiation
Current Virginia Obs.
Surface Wetness
Snowfall Obs.
Observations from a Vantage Pro sensor located
in a weather shelter at five feet above ground
Based on the rate of heat loss from exposed skin
caused by effects of wind & cold.
24_Hour Temperature Graph 24-Hour Wind Chill Graph
Relationship--The Faster and the larger the pressure change the stronger the wind!
High Wind Speed Graph Barometric Pressure Graph
The direction from which the wind is blowing
using only eight points of the compass.
A measure of both the direct radiation
and & scattered radiation
For more see
Wind Direction Graph Solar Radiation Graph
Max. amount of precip. during a 5 minute period Precip. rate in inches per hour for last 24 hours.
Precip. Graph Precip. Rate
Surface wetness hrs. (15=wet)
From Dew and Precipitation
Percent of water vapor in the air compared
to the maximum amount it can hold
Surface Wetness Relative Humidity Graph