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  • 6 weeks ago
Extreme meteorologist Dr. Reed Timmer reports from Galena, Illinois, as he chases a tornado-warned storm, kicking off the beginning of a likely severe weather outbreak in the Midwest on April 17.
Transcript
00:00We are tracking a tornado-worn storm here in Galena, Illinois.
00:04There you can see the wall cloud right here.
00:06It's trying to develop another inflow band on it.
00:08Almost got struck by lightning a few minutes ago as well.
00:11This is right over the Mississippi River.
00:13It is moving hard right, and we are chasing a pair of supercells right now.
00:17This is the lead supercell, and this is where the tornado had happened,
00:20right underneath the wall cloud, and it is just organizing right now.
00:24It looks like it maybe tried to produce just on the west side of the river,
00:28but right now we are tracking this wall cloud.
00:30It looks very convective as well, a lot of rising motion in it,
00:33and this storm certainly has tornado potential as it's approaching the Mississippi River
00:37just to the west of Galena.
00:39You can even see the differential motion here.
00:41The southern supercell is trying to rain on the base of this one,
00:44so we may end up dropping south to that southernmost supercell,
00:48but right now we are tracking a tornado-worn storm approaching Galena, Illinois.
00:53There you can see the wall cloud, rotating wall cloud on this one,
00:57and it may have already produced a brief tornado just to the west of the Mississippi River.
01:00And this is the beginning of a very large-scale severe weather outbreak
01:04that stretches from the Red River all the way up to Lake Superior,
01:08and there is a moderate risk, mainly for wind down in northern Oklahoma
01:12and to western Missouri.
01:13Stay tuned to those severe weather watches and warnings across this massive warm sector.
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