Tornado Moving Toward Sioux City

By -
Tornado confirmed near Jackson, moving NE to NNE toward N Sioux City and Sioux City. Tornado warning is red polygon, the tornado may eventually threaten Jefferson.

Comments

Post a Comment

Popular posts from this blog

Meteorology: Tornado or Side Lobes?

By -
Image
This past Friday, we had a great example of how a meteorologist can tell the difference between side-lobes (a false echo that mimics a tornado's circulation on radar) and one indicating a tornado is forming or in progress. I'm going to walk you through it so young meteorologists, in a similar case, won't make the mistake of mistaking side lobes for a tornado.  This case was in north central Texas on February 2nd. I'm using the Abilene/Sweetwater WSR-88D and the software is RadarScope. When I draw on one panel of the screen, it shows up on the other in the same place, so the measurements are about as exact as any in meteorology.  The Thunderstorm Cluster, 4:24pm Above is a cluster of thunderstorms with the two storms with arrows starting to transition to supercells. We already have the northern storm (just south of Aspermont)  moving north northeast. In a situation like this, the storm will likely be "a hailer" -- meaning it is likely to produce hail, possibly ...
Read more