Last night's Doppler radar detected rotation within a rapidly moving thunderstorm cell (55MPH) as it exited the Poconos eastward into the Stroudsburg area. Hence the areas short lived and properly called for Tornado Warning. Thankfully this warned cell began to weaken as it crossed the Gap into...
At many times, tornadoes develop so rapidly that little, if any, advance warning is possible. Before a tornado hits, the air may become very still. A cloud of debris (散片) can mark the location of a tornado even if a funnel can not be seen. Tornadoes generally occur near the edge of...
Observational experiments have confirmed that thunderstorm clouds produce horizontal electric field components that cannot be ignored near the ground. This provides more comprehensive electric field information for the tracking, warning, and charge structure of thunderstorm clouds. By establishing an ...
A flash flood warning was issued for San Francisco shortly before 2 p.m. that will remain in effect until 4 p.m. due to the significant rain that has been falling over the city Tuesday afternoon. There were reports of flooding in Hayes Valley and Telegraph Hill as well as low-lying par...