Alert archive / Nebraska / Flash Flood Warnings in 2025
Flash Flood Warning 16, NWS Omaha, NE
NWS Omaha, NE issued this flash flood warning at Sep 1, 2025, 2:09 AM CDT for 4 counties in Nebraska. It was in force for 3 hr. 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, 2025, 2:09 AM CDT (07:09 UTC)
- Expired
- Sep 1, 2025, 5:03 AM CDT
- In force
- 3 hr
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Flood severity
- None
Counties Butler County, NE, Lancaster County, NE, Saunders County, NE, Seward County, NE
The radar
The Omaha radar (KOAX), 55 km from the middle of the area, began a volume at 07:11 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 nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 7.2 hours before the alert went out and 250 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 44 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1079 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Sep 1, 12:15 AM CDT, 1 hour 54 minutes earlier.
Area forecast discussion, Sep 1, 12:15 AM CDT, 1 hour 54 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 |
|---|---|---|---|---|
| Sep 1, 2:41 AM CDT | Flood Watch | OAX | Butler, Lancaster, Saline, Saunders, Seward | 9 hr |
| Sep 1, 3:13 AM CDT | Flash Flood Warning | OAX | Saline, Seward | 3 hr |
| Sep 1, 5:03 AM CDT | Areal Flood Warning | OAX | Butler, Lancaster, Saunders, Seward | 5 hr |
| Sep 1, 5:42 AM CDT | Areal Flood Advisory | OAX | Jefferson, Saline | 5 hr |
| Sep 1, 6:05 AM CDT | Areal Flood Advisory | OAX | Saline, Seward | 97 min |
| Sep 1, 6:48 AM CDT | Areal Flood Warning | OAX | Lancaster, Saunders | 8 hr |
| Sep 1, 7:40 AM CDT | Areal Flood Warning | OAX | Saline, Seward | 4 hr |
| Sep 1, 8:26 AM CDT | River Flood Warning | OAX | Saunders | 31 hr |
| Sep 1, 9:46 AM CDT | Areal Flood Advisory | OAX | Butler, Lancaster, Saunders, Seward | 119 min |
| Sep 1, 11:48 AM CDT | Areal Flood Advisory | OAX | Saunders | 3 hr |
| Sep 1, 11:56 AM CDT | Areal Flood Advisory | OAX | Jefferson, Saline | 3 hr |
| Sep 1, 1:18 PM CDT | Areal Flood Warning | OAX | Saunders | 26 hr |
Nearby
Flash Flood Warnings in Nebraska, 2025Every flash flood warning in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.