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Significant weather advisory SPS (alt.: significant weather alert) – A strong thunderstorm below severe criteria, containing small hail below 1 inch (2.5 cm) diameter, and/or strong winds of 39–57 miles per hour (63–92 km/h), is indicated by Doppler weather radar and may create some adverse impacts on travel.
The National Weather Service office for Washington-Baltimore said that the D.C. area could receive an inch of snow per hour or more, making for dangerous commuting conditions this morning.
Earlier this week, temperatures across the Midwest and the Northeast felt more like fall than late summer, as many people woke up to chilly mornings. In the coolest spots on Wednesday and Thursday ...
Weather radar in Norman, Oklahoma with rainshaft Weather (WF44) radar dish University of Oklahoma OU-PRIME C-band, polarimetric, weather radar during construction. Weather radar, also called weather surveillance radar (WSR) and Doppler weather radar, is a type of radar used to locate precipitation, calculate its motion, and estimate its type (rain, snow, hail etc.).
A high-end EF1 tornado damaged numerous homes in the Columbus suburb of Hilliard. One house lost most of its roof and had its attached garage destroyed, another home had a garage wall blown out, and many other houses had roof shingles and siding torn off. Apartment buildings also sustained roof damage, and many trees were snapped or uprooted as ...
The weather service says crews will need to survey possible tornado damage in person. The pattern of damage, not how much damage was caused, determines whether it was a tornado, according to the ...
Outflow boundary on radar with radial velocity and frontal boundary drawn in.. An outflow boundary, also known as a gust front, is a storm-scale or mesoscale boundary separating thunderstorm-cooled air from the surrounding air; similar in effect to a cold front, with passage marked by a wind shift and usually a drop in temperature and a related pressure jump.
The ceiling refers to the height of the base of the lowest layer of clouds that are mostly overcast. In other words, what is the height at which a pilot can see through the cloud cover.