Alert archive / Nebraska / Mesoscale Discussions in 2020

Mesoscale Discussion 1121

July 6, 202011 counties in Nebraska; Clay County, South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 6, 2020, 5:01 PM CDT for 11 counties in Nebraska; Clay County, South Dakota. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued
Jul 6, 2020, 5:01 PM CDT (22:01 UTC)
Expired
Jul 6, 2020, 6:30 PM CDT
In force
89 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch possible
Chance of a watch
40%

Counties Burt County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Madison County, NE, Pierce County, NE, Stanton County, NE, Thurston County, NE, Wayne County, NE, Clay County, SD

The radar

The Omaha radar (KOAX), 111 km from the middle of the area, began a volume at 22:03 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 6, 1:57 PM CDTMesoscale DiscussionSPCCedar, Dakota, Dixon, Knox2 hr
Jul 6, 5:47 PM CDTSevere Thunderstorm WatchSPCAntelope, Boone, Burt, Cedar, Cuming, Dakota and 8 more4 hr
Jul 5, 7:24 PM CDTMesoscale DiscussionSPCCuster, Fall River, Harding, Lawrence66 min
Jul 5, 8:33 PM CDTMesoscale DiscussionSPCAurora, Beadle, Brown, Brule, Buffalo, Clark and 21 more117 min
Jul 5, 11:15 PM CDTMesoscale DiscussionSPCJones, Mellette, Perkins, Stanley, Todd, Ziebach60 min
Jul 6, 2:50 PM CDTMesoscale DiscussionSPCButte, Harding, Lawrence, Meade, Perkins115 min
Jul 6, 3:45 PM CDTSevere Thunderstorm WatchSPCBennett, Butte, Custer, Fall River, Haakon, Harding and 7 more7 hr
Jul 6, 6:14 PM CDTMesoscale DiscussionSPCBennett, Butte, Custer, Haakon, Harding, Jackson and 6 more91 min

Nearby

Mesoscale Discussions in Nebraska, 2020Mesoscale Discussions in South Dakota, 2020Every mesoscale discussion in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.