Alert archive / Iowa / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 160, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Aug 10, 2020, 9:09 AM CDT for Pottawattamie County, Shelby County, Iowa. It was in force for 51 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
- Aug 10, 2020, 9:09 AM CDT (14:09 UTC)
- Expired
- Aug 10, 2020, 10:00 AM CDT
- In force
- 51 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 65.0 mph
Counties Pottawattamie County, IA, Shelby County, IA
The radar
The Omaha radar (KOAX), 81 km from the middle of the area, began a volume at 14:14 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.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Omaha, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 10, 6:35 AM CDT, 2 hours 34 minutes earlier.
Area forecast discussion, Aug 10, 6:35 AM CDT, 2 hours 34 minutes before
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</html>Hazardous weather outlook, Aug 10, 4:34 AM CDT, 4 hours 35 minutes before
Hazardous Weather Outlook National Weather Service Omaha/Valley NE 434 AM CDT Mon Aug 10 2020 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-102345- Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont- Page-Knox-Cedar-Thurston-Antelope-Pierce-Wayne-Boone-Madison- Stanton-Cuming-Burt-Platte-Colfax-Dodge-Washington-Butler- Saunders-Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-Saline- Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson- 434 AM CDT Mon Aug 10 2020 This Hazardous Weather Outlook is for portions of southwest Iowa...west central Iowa...east central Nebraska...northeast Nebraska and southeast Nebraska. .DAY ONE...Today and Tonight Isolated showers and storms are possible this morning and today as a cold front continues to move southeast through the area. The front is expected to reach far southeast Nebraska by 7pm and may stall out after the it crosses into northeast Kansas/northwest Missouri. While an isolated storm or two may become severe, widespread severe activity is not expected at this time. The best chance for any severe activity will be in far southeast Nebraska, extending into KS/MO. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Periodic showers and storms continue to be possible into this weekend. Severe storm potential is uncertain at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Aug 10, 8:42 AM CDT, 27 minutes before
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</html>Local storm report, Aug 10, 8:56 AM CDT, 13 minutes before
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</html>Local storm report, Aug 10, 8:57 AM CDT, 12 minutes before
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</html>Local storm report, Aug 10, 9:03 AM CDT, 6 minutes before
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</html>Local storm report, Aug 10, 9:04 AM CDT, 5 minutes before
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</html>Local storm report, Aug 10, 9:06 AM CDT, 3 minutes before
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</html>The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 5:55 AM CDT | Severe Thunderstorm Warning | OAX | Knox | 50 min |
| Aug 10, 6:38 AM CDT | Severe Thunderstorm Warning | OAX | Cedar, Knox | 52 min |
| Aug 10, 6:57 AM CDT | Severe Thunderstorm Warning | OAX | Cedar | 48 min |
| Aug 10, 8:03 AM CDT | Special Weather Statement | OAX | Thurston | 27 min |
| Aug 10, 8:30 AM CDT | Special Weather Statement | OAX | Burt | 45 min |
| Aug 10, 8:42 AM CDT | Special Weather Statement | OAX | Douglas, Saunders, Washington | 33 min |
| Aug 10, 8:46 AM CDT | Severe Thunderstorm Warning | OAX | Burt, Washington | 29 min |
| Aug 10, 8:53 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Douglas, Lancaster, Sarpy, Saunders, Washington | 37 min |
| Aug 10, 9:15 AM CDT | Special Weather Statement | OAX | Otoe | 45 min |
| Aug 10, 9:25 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Lancaster, Otoe | 50 min |
| Aug 10, 10:06 AM CDT | Special Weather Statement | OAX | Page | 24 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2020Every severe thunderstorm warning 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.