Alert archive / Iowa / Mesoscale Discussions in 2022

Mesoscale Discussion 978

May 30, 20224 states

The Storm Prediction Center issued this mesoscale discussion at May 30, 2022, 1:55 PM CDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 30, 2022, 1:55 PM CDT (18:55 UTC)
Expired: May 30, 2022, 4:00 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch possible
Chance of a watch: 40%

All 34 counties

Adams County, IA, Audubon County, IA, Cass County, IA, Crawford County, IA, Fremont County, IA, Harrison County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Taylor County, IA, Atchison County, KS, Brown County, KS, Doniphan County, KS, Geary County, KS, Jackson County, KS, Marshall County, KS, Nemaha County, KS, Pottawatomie County, KS, Andrew County, MO, Atchison County, MO, Holt County, MO, Nodaway County, MO, Burt County, NE, Cass County, NE, Douglas County, NE, Johnson County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Sarpy County, NE, Washington County, NE

The radar

The Omaha radar (KOAX), 101 km from the middle of the area, began a volume at 18:56 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.

Tornado Watch 294May 30, 5:25 PM CDT

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 29, 11:25 PM CDT	Mesoscale Discussion	SPC	Lyon, Osceola, Sioux	95 min
May 30, 12:03 AM CDT	Severe Thunderstorm Watch	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 9 more	8 hr
May 30, 2:21 AM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 5 more	84 min
May 30, 5:40 AM CDT	Mesoscale Discussion	SPC	Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 20 more	95 min
May 30, 9:27 AM CDT	Mesoscale Discussion	SPC	Lyon, O'Brien, Osceola, Plymouth, Sioux	93 min
May 30, 11:28 AM CDT	Mesoscale Discussion	SPC	Lyon, Osceola, Plymouth, Sioux	92 min
May 30, 11:49 AM CDT	Tornado Watch	SPC	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more	6 hr
May 30, 1:34 PM CDT	Mesoscale Discussion	SPC	Cherokee, Clay, Dickinson, Ida, Lyon, Monona and 5 more	86 min
May 30, 5:23 PM CDT	Tornado Watch	SPC	Adair, Adams, Audubon, Boone, Calhoun, Carroll and 36 more	5 hr
May 30, 6:51 PM CDT	Mesoscale Discussion	SPC	Dickinson, Osceola	54 min
May 30, 3:51 PM CDT	Mesoscale Discussion	SPC	Butler, Chase, Coffey, Cowley, Douglas, Elk and 18 more	114 min
May 29, 7:16 PM CDT	Tornado Watch	SPC	Adams, Antelope, Blaine, Boone, Boyd, Brown and 45 more	8 hr
May 29, 9:16 PM CDT	Mesoscale Discussion	SPC	Adams, Antelope, Blaine, Boone, Boyd, Brown and 43 more	89 min
May 30, 2:03 PM CDT	Mesoscale Discussion	SPC	Blaine, Brown, Cherry, Keya Paha, Loup, Rock	87 min

Nearby

Mesoscale Discussions in Iowa, 2022 Mesoscale Discussions in Nebraska, 2022 Mesoscale Discussions in Kansas, 2022 Every mesoscale discussion in 2022

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.