Widespread Showers Across the Eastern Half of the US; Severe Thunderstorms in Montana into the Plains

Widespread coverage of showers and thunderstorms across much of the central and eastern U.S., will produce areas of excessive rain in the northwest Gulf Coast, portions of the Mississippi Valley and the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. Read More >

Paulding County

Reflectivity
The oranges and reds signify heavy rainfall and possible hail.

These radar reflectivity pictures show the storm moving out of Van Wert County and into southeast Paulding County. Note that the storm never really displays a classic "hook echo", despite producing a tornado of F3 strength in this area.

Example of classic hook echo, courtesy WFO Norman

Velocity
The reds depict air moving away from the radar (outbound), the greens depict air moving inbound toward the radar (in these pictures, the radar is to the upper left, out of the picture). Reds and greens right next to each other suggest circulation, since there are air currents flowing in opposite directions in close proximity to each other.

"Vr" is rotational velocity, which is simply the average of the maximum outbound wind speeds and maximum inbound wind speeds. It can be used to give an idea of the strength of the circulation. Note that the circulation peaks in intensity near Roselms, which is where F3 damage was found.

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Widespread Showers Across the Eastern Half of the US; Severe Thunderstorms in Montana into the Plains

November 10 2002 Paulding County Radar Imagery