Alert archive / Nebraska / Red Flag Warnings in 2022

Red Flag Warning 23, NWS Omaha, NE

October 12, 202230 counties in Nebraska; 8 counties in Iowa

NWS Omaha, NE issued this red flag warning at Oct 12, 2022, 3:36 AM CDT for 30 counties in Nebraska; 8 counties in Iowa. It took effect at Oct 12, 2022, 12:00 PM CDT. It was in force for 7 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: Oct 12, 2022, 3:36 AM CDT (08:36 UTC)
In effect from: Oct 12, 2022, 12:00 PM CDT
Expired: Oct 12, 2022, 7:00 PM CDT
In force: 7 hr
Issued by: NWS Omaha, NE

All 38 counties

Fremont County, IA, Harrison County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Antelope County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Knox County, NE, Lancaster County, NE, Madison County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Pierce County, NE, Platte County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 16 km from the middle of the area, began a volume at 08:36 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 00:00Z, 8.6 hours before the alert went out and 16 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: 1176 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 2084 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 256 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this red flag 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 red flag warning went out at Oct 12, 12:28 AM CDT, 3 hours 8 minutes earlier.

Area forecast discussion, Oct 12, 12:28 AM CDT, 3 hours 8 minutes before

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Hazardous weather outlook, Oct 11, 8:58 PM CDT, 6 hours 38 minutes before

Hazardous Weather Outlook
National Weather Service Omaha/Valley NE
858 PM CDT Tue Oct 11 2022

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-121600-
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-
858 PM CDT Tue Oct 11 2022

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

Strong storms are possible this evening, along and east of a line
from Columbus, Nebraska to Sioux City, Iowa. Gusty winds and hail
up to quarter size will be the primary hazards.

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

Very high to extreme fire danger conditions are possible Wednesday
and Thursday. A Fire Weather Watch has been issued for much of the
area for both afternoons.

Gusty northwest winds up to 40 mph are possible Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected, but reports of severe weather
are appreciated.

In the hours before

Local storm report, Oct 11, 11:31 PM CDT, 4 hours 5 minutes before

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Local storm report, Oct 11, 11:38 PM CDT, 3 hours 58 minutes before

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Special weather statement, Oct 11, 11:38 PM CDT, 3 hours 58 minutes before

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Special weather statement, Oct 11, 11:51 PM CDT, 3 hours 45 minutes before

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Special weather statement, Oct 12, 12:18 AM CDT, 3 hours 18 minutes before

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Special weather statement, Oct 12, 12:22 AM CDT, 3 hours 14 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
Oct 11, 9:43 PM CDT	Special Weather Statement	OAX	Seward	32 min
Oct 11, 9:55 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Seward	50 min
Oct 11, 10:18 PM CDT	Special Weather Statement	OAX	Washington	27 min
Oct 11, 10:21 PM CDT	Special Weather Statement	OAX	Saunders	24 min
Oct 11, 10:44 PM CDT	Special Weather Statement	OAX	Lancaster	31 min
Oct 11, 10:48 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Gage, Jefferson, Lancaster, Saline, Seward	42 min
Oct 11, 10:52 PM CDT	Special Weather Statement	OAX	Douglas, Sarpy	23 min
Oct 11, 11:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Johnson, Nemaha, Otoe, Pawnee	66 min
Oct 11, 11:18 PM CDT	Special Weather Statement	OAX	Cass, Sarpy	27 min
Oct 11, 11:24 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Jefferson, Lancaster	51 min
Oct 11, 11:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Nemaha, Otoe, Richardson	62 min
Oct 12, 12:22 AM CDT	Special Weather Statement	OAX	Richardson	53 min
Oct 12, 3:36 AM CDT	Wind Advisory	OAX	Antelope, Boone, Burt, Cedar, Colfax, Cuming and 8 more	15 hr
Oct 12, 2:48 PM CDT	Red Flag Warning	OAX	Antelope, Boone, Burt, Butler, Cass, Cedar and 24 more	28 hr
Oct 11, 10:39 PM CDT	Special Weather Statement	OAX	Harrison	21 min
Oct 11, 11:14 PM CDT	Special Weather Statement	OAX	Pottawattamie	31 min
Oct 11, 11:22 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	14 min
Oct 11, 11:38 PM CDT	Special Weather Statement	OAX	Shelby	37 min
Oct 11, 11:51 PM CDT	Special Weather Statement	OAX	Mills, Pottawattamie	24 min
Oct 12, 12:18 AM CDT	Special Weather Statement	OAX	Montgomery, Page	57 min

Nearby

Red Flag Warnings in Nebraska, 2022 Red Flag Warnings in Iowa, 2022 Every red flag warning in 2022

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.