As Chief Keith Monahan was wrapping up his live forecast from the opening. The Arkansas State Fair is where so many memories are made, and maybe none as amazing as when a fairgoer asked to spend forever with his special someone live on TV. Dust devils have been known to damage small structures or even destroy them, so they can be very dangerous. 1 hour ago &0183 &32 Fair fans forever: Man proposes live on KARK 4 News from the Arkansas State Fair. Wind speeds in larger dust devils can reach 60 miles per hour or more. The dust devil will then move across the ground picking up debris, which allows its movement and shape to be seen. As hot air rises along the outer wall of the vortex, cooler air sinks as the vortex forms. Usually, dust devils occur when the sky is clear, unlike tornadoes.Īs air rises, it will cool and descend back through the center of the vortex. The National Weather Service says dust devils are formed when a ground surface heats the air dramatically just above the ground. Benton AR radar weather maps and graphics providing current Base Reflectivity weather views of storm severity from precipitation levels with the option of. Matt Conaster captured the moments when the people around it watched as, for minutes, the twisting column moved past him in a vehicle.Īt one point, a person is seen running up to the dust devil as it was still strongly swirling dust and debris across the flat land, and appeared to weaken quickly. Other common terms for weather radar are weather surveillance radar (WSR) and Doppler weather radar.A spectacular moment caught on camera shows a giant swirling dust devil that formed in Jonesboro, Arkansas, as people around it watched in awe as it swept across a flat piece of farmland. Base Reflectivity images are available at several different elevation angles (tilts) of the antenna and are used to detect precipitation, evaluate storm structure, locate atmospheric boundaries and determine hail potential. "Reflectivity" is the amount of transmitted power returned to the radar receiver. The data can be analyzed to determine a storm's structure and the possibility they could become severe.
Your Arkansas weather forecast from THV11. A base reflectivity radar is a display of echo intensity (reflectivity) measured in dBZ (decibels of Z, where Z represents the energy reflected back to the radar). Rain is likely in the forecast but some in Arkansas may not see any rain. green is rain, pink is a mix of rain, freezing rain, sleet, and/or snow and blue is snow. Get Little Rock, AR current weather report with temperature, feels like, air quality, humidity, UV report and pollen forecast from. The precipitation type is indicated by different colors. Why You Should Check The Local Weather Before Planning Your DayĪbout this map: The Precipitation Type Radar is the base reflectivity radar with areas of precipitation split into their respective precipitation types (rain, snow, hail, etc.).
Arkansas weather live radar how to#
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