Alert archive / Nebraska / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 265, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Sep 1, 2018, 9:19 PM CDT for 4 counties in Nebraska. It was in force for 26 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
- Sep 1, 2018, 9:19 PM CDT (02:19 UTC)
- Expired
- Sep 1, 2018, 9:45 PM CDT
- In force
- 26 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 80.0 mph
Counties Cass County, NE, Lancaster County, NE, Otoe County, NE, Saunders County, NE
The radar
The Omaha radar (KOAX), 48 km from the middle of the area, began a volume at 02:17 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 1, 4:47 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 1, 8:20 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
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 Sep 1, 6:08 PM CDT, 3 hours 11 minutes earlier.
Area forecast discussion, Sep 1, 6:08 PM CDT, 3 hours 11 minutes before
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</html>Hazardous weather outlook, Sep 1, 4:58 PM CDT, 4 hours 21 minutes before
Hazardous Weather Outlook National Weather Service Omaha/Valley NE 458 PM CDT Sat Sep 1 2018 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-021200- 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- 458 PM CDT Sat Sep 1 2018 This Hazardous Weather Outlook is for portions of southwest Iowa...west central Iowa...east central Nebraska...northeast Nebraska and southeast Nebraska. .DAY ONE...Tonight and Sunday Severe thunderstorms are expected through much of the evening, especially along and south of Interstate 80. The best timing for severe weather will from around 6 to 7 pm, through about 3 to 5 am. A few storms could approach severe limits with winds 60 mph or higher, hail of 1 to 2 inches in diameter, and 1 to 2 inches of rain. Those with outdoor plans this evening should remain weather aware and be ready to implement a severe weather plan at a moments notice. There could be flash flooding tonight, especially if several rounds of storms move over the same locations. Minor flooding will continue along the Missouri River upstream of Lewis and Clark Lake in northwest Knox county. .DAYS TWO THROUGH SEVEN...Sunday night through Saturday Scattered thunderstorms remain in the forecast for Sunday through Monday. Some strong storms and areas of locally heavy rain will be possible, especially from late Sunday afternoon into Monday morning. Some flash flooding could develop. Total rainfall through Monday could reach 3 to 5 inches in some spots across east central Nebraska and western Iowa. The weather pattern should remain active through at least mid week, with a continued chance for thunderstorms just about every day. Minor flooding will continue along the Missouri River upstream of Lewis and Clark Lake in northwest Knox county. With the expected heavy rains through the remainder of the Labor Day weekend, additional river flooding could develop. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed in some areas tonight, primarily across southeast Nebraska and southwest Iowa. Pearson
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 7:15 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Lancaster, Otoe | 45 min |
| Sep 1, 7:49 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson, Saline | 41 min |
| Sep 1, 7:55 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Otoe | 50 min |
| Sep 1, 8:07 PM CDT | Areal Flood Advisory | OAX | Cass, Lancaster, Otoe | 5 hr |
| Sep 1, 8:29 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Otoe | 46 min |
| Sep 1, 8:33 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson, Saline | 42 min |
| Sep 1, 8:38 PM CDT | Special Weather Statement | OAX | Lancaster | 22 min |
| Sep 1, 8:59 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Lancaster, Saline, Seward | 46 min |
| Sep 1, 9:23 PM CDT | Areal Flood Advisory | OAX | Cass, Otoe | 5 hr |
| Sep 1, 9:23 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Lancaster, Otoe | 37 min |
| Sep 1, 9:26 PM CDT | Areal Flood Advisory | OAX | Lancaster | 5 hr |
| Sep 1, 9:44 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Douglas, Sarpy, Saunders | 31 min |
| Sep 1, 9:56 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Nemaha, Otoe | 34 min |
| Sep 2, 2:39 AM CDT | Special Weather Statement | OAX | Sarpy | 36 min |
| Sep 2, 3:45 AM CDT | Areal Flood Warning | OAX | Cass, Lancaster, Otoe | 6 hr |
| Sep 2, 4:13 AM CDT | Areal Flood Warning | OAX | Gage, Lancaster, Saline | 6 hr |
| Sep 2, 4:21 AM CDT | Areal Flood Warning | OAX | Cass, Otoe | 6 hr |
| Sep 2, 9:42 AM CDT | River Flood Warning | OAX | Nemaha | 74 days |
| Sep 2, 9:42 AM CDT | River Flood Warning | OAX | Richardson | 12 days |
| Sep 1, 9:08 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 52 min |
| Sep 1, 10:26 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Montgomery, Page | 34 min |
| Sep 1, 10:35 PM CDT | Special Weather Statement | OAX | Shelby | 25 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 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.