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Doppler Radar Loop Weather in Spring Hill, FloridaSpring Hill, Florida Radar Weather

Spring Hill Doppler Radar Loop

Weather Radar Loop for Spring Hill, FloridaDoppler Radar Loop Weather in Spring Hill, FL
Lat: 30.34N, Lon: 84.39W  ICAO: KBKV
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Current Conditions: Fog And Mist, the temperature is 63°F17°C, humidity 100%, dew point 63°F17°C. Barometric pressure is 30.15 in1021 mb. Wind direction is N at 0 mph0 km/h with visibility of 2.50 mi4 km. °F Click to change Spring Hill radar loop current conditions to Imperial units.Click to change Spring Hill radar loop current conditions to Metric units. °C
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Spring Hill Weather Warning NWS WEATHER ALERT FOR THE SPRING HILL, FL AREA - Issued: 515 AM EST Mon Dec 6 2021 Spring Hill Weather Warning  

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Clear Air dBZ Scale Precipitation 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.