Alert archive / Iowa / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 221, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Jul 4, 2018, 9:59 PM CDT for Harrison County, Pottawattamie County, Shelby County, Iowa. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 4, 2018, 9:59 PM CDT (02:59 UTC)
- Expired
- Jul 4, 2018, 10:46 PM CDT
- In force
- 47 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Harrison County, IA, Pottawattamie County, IA, Shelby County, IA
The radar
The Omaha radar (KOAX), 73 km from the middle of the area, began a volume at 03:00 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 office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 7:31 PM CDT | Special Weather Statement | OAX | Boone, Madison, Stanton, Thurston, Wayne | 44 min |
| Jul 4, 8:06 PM CDT | Special Weather Statement | OAX | Burt, Cuming | 24 min |
| Jul 4, 8:26 PM CDT | Special Weather Statement | OAX | Butler, Dodge, Douglas, Saunders, Seward, Washington | 49 min |
| Jul 4, 8:32 PM CDT | Special Weather Statement | OAX | Burt, Colfax, Dodge | 28 min |
| Jul 4, 8:49 PM CDT | Special Weather Statement | OAX | Boone | 41 min |
| Jul 4, 8:55 PM CDT | Special Weather Statement | OAX | Burt | 35 min |
| Jul 4, 9:04 PM CDT | Special Weather Statement | OAX | Douglas, Saunders, Washington | 56 min |
| Jul 4, 9:10 PM CDT | Severe Thunderstorm Warning | OAX | Burt, Dodge, Douglas, Saunders, Washington | 50 min |
| Jul 4, 9:18 PM CDT | Severe Thunderstorm Warning | OAX | Antelope, Boone | 42 min |
| Jul 4, 9:23 PM CDT | Special Weather Statement | OAX | Cass, Sarpy | 37 min |
| Jul 4, 9:30 PM CDT | Severe Thunderstorm Warning | OAX | Antelope, Boone | 45 min |
| Jul 4, 9:45 PM CDT | Severe Thunderstorm Warning | OAX | Douglas, Sarpy, Washington | 45 min |
| Jul 4, 10:03 PM CDT | Special Weather Statement | OAX | Cass, Lancaster, Sarpy | 42 min |
| Jul 4, 10:16 PM CDT | Special Weather Statement | OAX | Boone | 29 min |
| Jul 4, 11:08 PM CDT | Special Weather Statement | OAX | Cass, Gage, Jefferson, Johnson, Lancaster, Nemaha and 2 more | 52 min |
| Jul 4, 11:47 PM CDT | Severe Thunderstorm Warning | OAX | Boone | 43 min |
| Jul 5, 12:22 AM CDT | Special Weather Statement | OAX | Platte | 38 min |
| Jul 5, 1:02 AM CDT | Special Weather Statement | OAX | Platte | 28 min |
| Jul 5, 1:14 AM CDT | Special Weather Statement | OAX | Butler | 31 min |
| Jul 4, 9:12 PM CDT | Special Weather Statement | OAX | Crawford | 48 min |
| Jul 4, 10:31 PM CDT | Special Weather Statement | OAX | Mills, Montgomery, Pottawattamie | 29 min |
| Jul 4, 11:04 PM CDT | Special Weather Statement | OAX | Fremont, Mills, Montgomery, Page | 56 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2018Every severe thunderstorm warning 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.