Alert archive / Iowa / Mesoscale Discussions in 2018
Mesoscale Discussion 1477
The Storm Prediction Center issued this mesoscale discussion at Sep 18, 2018, 5:11 PM CDT for 6 counties in Iowa; 4 counties in Missouri; Cass County, Sarpy County, Nebraska. It was in force for 64 min.
The area
The outline as issued.
The facts
- Issued
- Sep 18, 2018, 5:11 PM CDT (22:11 UTC)
- Expired
- Sep 18, 2018, 6:15 PM CDT
- In force
- 64 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
Counties Fremont County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Ringgold County, IA, Taylor County, IA, Atchison County, MO, Harrison County, MO, Nodaway County, MO, Worth County, MO, Cass County, NE, Sarpy County, NE
The radar
The Omaha radar (KOAX), 109 km from the middle of the area, began a volume at 22:14 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 text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 2:48 AM CDT | Mesoscale Discussion | SPC | Lyon | 2 hr |
| Sep 18, 5:48 AM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Lyon, Osceola | 2 hr |
| Sep 18, 3:06 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Clarke, Decatur and 13 more | 84 min |
| Sep 17, 7:49 PM CDT | Mesoscale Discussion | SPC | Antelope, Blaine, Boone, Boyd, Brown, Cedar and 16 more | 116 min |
Nearby
Mesoscale Discussions in Iowa, 2018Mesoscale Discussions in Missouri, 2018Mesoscale Discussions in Nebraska, 2018Every mesoscale discussion in 2018
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.