Alert archive / Nebraska / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 55, NWS Omaha, NE

April 29, 2022Gage County, Jefferson County, Saline County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Apr 29, 2022, 6:09 PM CDT for Gage County, Jefferson County, Saline County, Nebraska. It was in force for 66 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: Apr 29, 2022, 6:09 PM CDT (23:09 UTC)
Expired: Apr 29, 2022, 7:15 PM CDT
In force: 66 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Gage County, NE, Jefferson County, NE, Saline County, NE

The radar

The Omaha radar (KOAX), 123 km from the middle of the area, began a volume at 23:10 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
Apr 29, 3:34 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 11.2 hours before the alert went out and 123 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 704 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 160 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 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 Apr 29, 3:42 PM CDT, 2 hours 27 minutes earlier.

Area forecast discussion, Apr 29, 3:42 PM CDT, 2 hours 27 minutes before

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Hazardous weather outlook, Apr 29, 3:54 PM CDT, 2 hours 15 minutes before

Hazardous Weather Outlook
National Weather Service Omaha/Valley NE
354 PM CDT Fri Apr 29 2022

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-301100-
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-
354 PM CDT Fri Apr 29 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 Saturday

Severe storms appear likely between 6 PM and 11 PM, mainly along
and south of an Albion to Sioux City line. All hazards are
possible, including a few tornadoes, hail to size of limes,
damaging wind gusts of 60 to 70 mph, and localized flash flooding.

.DAYS TWO THROUGH SEVEN...Saturday night through Friday

Strong northwest winds with gusts of 50 to 55 mph are possible on
Saturday.

Thunderstorm activity may return to the region on Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this evening.

In the hours before

Local storm report, Apr 29, 12:37 PM CDT, 5 hours 32 minutes before

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Local storm report, Apr 29, 5:51 PM CDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
551 PM CDT FRI APR 29 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0544 PM     HAIL             3 NE ENDICOTT           40.12N 97.06W
04/29/2022  M1.00 INCH       JEFFERSON          NE   PARK/FOREST SRVC

            AT ROCK CREEK STATION, NE.

&&

TSN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 7:28 PM CDT	Severe Thunderstorm Warning	OAX	Platte	47 min
Apr 28, 8:01 PM CDT	Flash Flood Warning	OAX	Platte	3 hr
Apr 28, 8:16 PM CDT	Severe Thunderstorm Warning	OAX	Platte	44 min
Apr 28, 9:14 PM CDT	Flash Flood Warning	OAX	Platte	106 min
Apr 28, 9:44 PM CDT	Areal Flood Warning	OAX	Madison, Platte	13 hr
Apr 28, 10:11 PM CDT	Special Weather Statement	OAX	Seward	64 min
Apr 28, 10:31 PM CDT	Special Weather Statement	OAX	Gage	44 min
Apr 28, 10:34 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Lancaster, Saline	41 min
Apr 28, 10:56 PM CDT	Areal Flood Warning	OAX	Platte	19 hr
Apr 28, 11:09 PM CDT	Special Weather Statement	OAX	Lancaster	66 min
Apr 28, 11:18 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Johnson, Lancaster, Otoe	57 min
Apr 29, 11:23 AM CDT	River Flood Warning	OAX	Platte	10 hr
Apr 29, 3:44 PM CDT	Wind Advisory	OAX	Antelope, Boone, Burt, Butler, Cass, Cedar and 24 more	30 hr
Apr 29, 6:31 PM CDT	Special Weather Statement	OAX	Boone	29 min
Apr 29, 6:46 PM CDT	Areal Flood Advisory	OAX	Gage, Jefferson	4 hr
Apr 29, 6:57 PM CDT	Tornado Warning Tornado observed	OAX	Gage, Jefferson	33 min
Apr 29, 9:44 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Montgomery, Page	46 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2022 Every severe thunderstorm 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.