Alert archive / Iowa / Mesoscale Discussions in 2024

Mesoscale Discussion 528

April 26, 202424 counties in Iowa

The Storm Prediction Center issued this mesoscale discussion at Apr 26, 2024, 1:04 PM CDT for 24 counties in Iowa. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: Apr 26, 2024, 1:04 PM CDT (18:04 UTC)
Expired: Apr 26, 2024, 2:30 PM CDT
In force: 86 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch unlikely
Chance of a watch: 20%

All 24 counties

Boone County, IA, Buena Vista County, IA, Calhoun County, IA, Carroll County, IA, Cherokee County, IA, Clay County, IA, Crawford County, IA, Dallas County, IA, Dickinson County, IA, Emmet County, IA, Greene County, IA, Hamilton County, IA, Humboldt County, IA, Ida County, IA, Kossuth County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Pocahontas County, IA, Polk County, IA, Sac County, IA, Story County, IA, Webster County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 109 km from the middle of the area, began a volume at 18:06 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 142Apr 26, 3:45 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
Apr 26, 12:21 PM CDT	Mesoscale Discussion	SPC	Fremont, Harrison, Mills, Monona, Pottawattamie	54 min
Apr 26, 12:52 PM CDT	Tornado Watch	SPC	Fremont, Harrison, Ida, Mills, Monona, Montgomery and 4 more	6 hr
Apr 26, 2:31 PM CDT	Mesoscale Discussion	SPC	Fremont, Harrison, Mills, Monona, Pottawattamie	89 min
Apr 26, 3:47 PM CDT	Tornado Watch	SPC	Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 27 more	8 hr
Apr 26, 5:36 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Carroll, Cass, Crawford and 14 more	84 min

Nearby

Mesoscale Discussions in Iowa, 2024 Every mesoscale discussion in 2024

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.