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The SPC anticipated that the atmospheric environment over eastern Nebraska and western Iowa would become increasingly conducive for further organization of these storms into supercells. [7] A tornado watch was issued by the SPC for areas near and along the Nebraska–Iowa border region at 11:10 a.m. CDT in anticipation of these changes. [8]
6-9 p.m.: Scattered to widespread storms will move through central Iowa. 9-11 p.m.: Severe threats will begin to diminish as storms push into eastern Iowa. Radar: What's the weather radar in Des ...
A wave of severe storms sparked one tornado warning near Minburn on Tuesday. More are possible this afternoon.
"A compact MCS moving into central IA as of 1540z (10:40 am CDT) has recently produced numerous severe/damaging wind gusts. Recent radar trends suggest this system has already become very well organized, with the development of an 80-100+ kt rear-inflow jet only a couple thousand feet off the surface per KDMX velocity data. The airmass ...
DES MOINES, Iowa – Days of freezing temperatures and a surge of moisture created dangerous travel conditions in the Midwest and Plains to start the weekend with dozens of crashes reported, and ...
The radar mile is the time it takes for a radar pulse to travel one nautical mile, reflect off a target, and return to the radar antenna. Since a nautical mile is defined as 1,852 m, then dividing this distance by the speed of light (299,792,458 m/s), and then multiplying the result by 2 yields a result of 12.36 μs in duration.
In Iowa, dew points surged to the upper 50s and lower 60s Fahrenheit, while convective available potential energy values – a measure of instability – were predicted to reach 500–1,000 J/kg. Given these factors, in conjunction with an eroding capping inversion , forecasters expected a narrow but intense line of severe thunderstorms to ...
IOWA — Steady rainfall is moving through Central Iowa this morning and is just the beginning of what will be an active day to night of severe weather. ... For a full look at the forecast, visit ...