Va weather radar

Va weather radar DEFAULT

Richmond Doppler Radar Loop

Clear Air dBZ ScalePrecipitation dBZ Scale
Rainrate - inches per hour

The colors are the different echo intensities (reflectivity) measured in dBZ (decibels of Z) during each elevation scan. "Reflectivity" is the amount of transmitted power returned to the radar receiver. Reflectivity (designated by the letter Z) covers a wide range of signals (from very weak to very strong). So, a more convenient number for calculations and comparison, a decibel (or logarithmic) scale (dBZ), is used.

The dBZ values increase as the strength of the signal returned to the radar increases. Each reflectivity image you see includes one of two color scales. One scale (far left) represents dBZ values when the radar is in clear air mode (dBZ values from -28 to +28). The other scale (near left) represents dBZ values when the radar is in precipitation mode (dBZ values from 5 to 75). Notice the color on each scale remains the same in both operational modes, only the values change. The value of the dBZ depends upon the mode the radar is in at the time the image was created.

The scale of dBZ values is also related to the intensity of rainfall. Typically, light rain is occurring when the dBZ value reaches 20. The higher the dBZ, the stronger the rainrate. Depending on the type of weather occurring and the area of the U.S., forecasters use a set of rainrates which are associated to the dBZ values.

These values are estimates of the rainfall per hour, updated each volume scan, with rainfall accumulated over time. Hail is a good reflector of energy and will return very high dBZ values. Since hail can cause the rainfall estimates to be higher than what is actually occurring, steps are taken to prevent these high dBZ values from being converted to rainfall.

Sours: https://www.weatherwx.com/radar_loop/va/richmond.html

Forecast: Clouds hold on for Tuesday

Overcast with light rain possible at any time this morning

Updated: 1 hour ago

RICHMOND, Va. (WWBT) - It will be overcast for a little longer, but sun returns by mid-week with temperatures gradually getting warmer.

Read More...

Updated: 1 hour ago

Sophia Armata

Meteorologist

Headshot of Sophia Armata, Meteorologist

RICHMOND, Va. (WWBT) - It will be overcast for a little longer, but sun returns by mid-week with temperatures gradually getting warmer.

Read More...

Sophia Armata

Meteorologist

Richmond, VA

current weather icon

65

Time

TempTemp

DescDescription

PrecipPrecipitation

DEWDew Point

WndWind

8 AM10/12

63°

current weather conditions iconCloudy

10%

61°

NNW 4 MPH

9 AM10/12

65°

current weather conditions iconCloudy

10%

62°

NNW 5 MPH

10 AM10/12

68°

current weather conditions iconCloudy

10%

62°

N 5 MPH

11 AM10/12

70°

current weather conditions iconCloudy

10%

61°

N 5 MPH

12 PM10/12

71°

current weather conditions iconMostly Cloudy

0%

61°

N 6 MPH

1 PM10/12

72°

current weather conditions iconMostly Cloudy

0%

61°

N 5 MPH

2 PM10/12

72°

current weather conditions iconMostly Cloudy

0%

61°

N 5 MPH

3 PM10/12

73°

current weather conditions iconMostly Cloudy

0%

62°

N 5 MPH

4 PM10/12

73°

current weather conditions iconMostly Cloudy

0%

62°

N 4 MPH

5 PM10/12

73°

current weather conditions iconMostly Cloudy

0%

62°

N 4 MPH

6 PM10/12

72°

current weather conditions iconPartly Cloudy

0%

63°

N 3 MPH

7 PM10/12

69°

current weather conditions iconPartly Cloudy

0%

63°

NNE 3 MPH

Sours: https://www.nbc12.com/weather/
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