Alert archive / Nebraska / Flash Flood Warnings in 2024

Flash Flood Warning 28, NWS Omaha, NE

June 25, 2024Douglas County, Sarpy County, Nebraska; Mills County, Pottawattamie County, Iowa

NWS Omaha, NE issued this flash flood warning at Jun 25, 2024, 5:33 PM CDT for Douglas County, Sarpy County, Nebraska; Mills County, Pottawattamie County, Iowa. 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: Jun 25, 2024, 5:33 PM CDT (22:33 UTC)
Expired: Jun 25, 2024, 8:45 PM CDT
In force: 3 hr
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Flood severity: None

Counties Mills County, IA, Pottawattamie County, IA, Douglas County, NE, Sarpy County, NE

The radar

The Omaha radar (KOAX), 45 km from the middle of the area, began a volume at 22:33 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

Omaha, NE (KOAX), launched 12:00Z, 10.6 hours before the alert went out and 45 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 3475 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 998 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jun 25, 3:49 PM CDT, 1 hour 44 minutes earlier.

Area forecast discussion, Jun 25, 3:49 PM CDT, 1 hour 44 minutes before

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Hazardous weather outlook, Jun 25, 3:51 PM CDT, 1 hour 42 minutes before

Hazardous Weather Outlook
National Weather Service Omaha/Valley NE
351 PM CDT Tue Jun 25 2024

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-261100-
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-
351 PM CDT Tue Jun 25 2024

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 Wednesday

Flood warnings remain in effect for the entire length of the
Missouri River.

Hot and humid conditions will again develop for southeast
Nebraska and southwest Iowa with afternoon heat index values as
high as 107 Tuesday afternoon. The heat advisory this afternoon
includes the Lincoln and Omaha metro areas. This heat advisory
will expire at 7 PM.

Scattered thunderstorm development is possible late this
afternoon with a chance for severe weather including damaging
wind, large hail, and a low tornado potential. Hail as large as
baseballs will be possible in the strongest storms this evening.
Thunderstorms may last as late as 1 AM. There will be a flooding
risk if thunderstorms are able to train over any given location
throughout the evening and overnight hours.

.DAYS TWO THROUGH SEVEN...Wednesday night through Tuesday

Additional strong to severe thunderstorms with heavy rain are
expected Thursday through Friday night.

River flooding will continue along the Missouri River from Decatur
to Rulo, with at least moderate flood levels occurring from
Plattsmouth to Rulo. Flooding also expected to continue along the
Little Sioux River. Heavy rains expected Thursday-Friday night
could exacerbate and prolong flood conditions.

.SPOTTER INFORMATION STATEMENT...

Spotters should not be needed tonight but could be needed for some
areas Tuesday evening.

In the hours before

Local storm report, Jun 25, 5:12 PM CDT, 21 minutes before

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Local storm report, Jun 25, 5:15 PM CDT, 18 minutes before

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Local storm report, Jun 25, 5:21 PM CDT, 12 minutes before

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Local storm report, Jun 25, 5:29 PM CDT, 4 minutes before

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The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 5:00 PM CDT	Severe Thunderstorm Warning	OAX	Douglas, Sarpy	45 min
Jun 25, 5:25 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Madison, Pierce	50 min
Jun 25, 5:39 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Cass, Douglas, Sarpy	51 min
Jun 25, 5:48 PM CDT	Severe Thunderstorm Warning Destructive damage threat	OAX	Cass, Sarpy	42 min
Jun 25, 6:00 PM CDT	Severe Thunderstorm Warning Destructive damage threat	OAX	Cass	60 min
Jun 25, 6:02 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Antelope, Madison, Pierce	43 min
Jun 25, 6:13 PM CDT	Tornado Warning	OAX	Madison	47 min
Jun 25, 6:23 PM CDT	Tornado Warning	OAX	Madison	52 min
Jun 25, 6:26 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Cass, Sarpy	34 min
Jun 25, 6:33 PM CDT	Flash Flood Warning	OAX	Douglas, Sarpy	3 hr
Jun 25, 6:37 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Antelope, Madison, Pierce, Platte, Stanton	38 min
Jun 25, 6:40 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Pierce, Wayne	50 min
Jun 25, 6:56 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Sarpy	37 min
Jun 25, 4:56 AM CDT	Flash Flood Warning Considerable damage threat	OAX	Monona	3 hr
Jun 25, 4:08 PM CDT	Areal Flood Warning	OAX	Monona	17 hr
Jun 25, 6:44 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	61 min

Nearby

Flash Flood Warnings in Nebraska, 2024 Flash Flood Warnings in Iowa, 2024 Every flash flood warning in 2024

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.