Alert archive / Nebraska / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 72, NWS Omaha, NE

May 12, 2022Antelope County, Boone County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at May 12, 2022, 3:01 PM CDT for Antelope County, Boone County, Nebraska. It was in force for 44 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: May 12, 2022, 3:01 PM CDT (20:01 UTC)
Expired: May 12, 2022, 3:45 PM CDT
In force: 44 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.5 in
Wind: 70.0 mph

Counties Antelope County, NE, Boone County, NE

The radar

The Omaha radar (KOAX), 157 km from the middle of the area, began a volume at 20:01 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
May 12, 2:14 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 8.0 hours before the alert went out and 157 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: 1555 J/kg
Mixed-layer CIN: -323 J/kg
Mixed-layer LCL: 1486 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -31 m²/s²
0-3 km storm-relative helicity: -52 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 May 12, 12:17 PM CDT, 2 hours 44 minutes earlier.

Area forecast discussion, May 12, 12:17 PM CDT, 2 hours 44 minutes before

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Hazardous weather outlook, May 12, 10:57 AM CDT, 4 hours 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
May 12, 3:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Antelope, Knox, Pierce	41 min
May 12, 3:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Antelope, Boone, Madison, Pierce, Platte, Stanton	50 min
May 12, 3:36 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Knox	54 min
May 12, 3:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Cedar, Knox, Madison, Pierce, Wayne	50 min
May 12, 3:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Colfax, Cuming, Madison, Platte, Stanton	47 min
May 12, 3:53 PM CDT	Severe Thunderstorm Warning Destructive damage threat	OAX	Antelope, Knox, Pierce	22 min
May 12, 3:59 PM CDT	Severe Thunderstorm Warning Destructive damage threat	OAX	Cedar, Knox, Pierce, Stanton, Wayne	61 min
May 12, 4:28 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Cuming, Madison, Stanton, Thurston, Wayne	33 min
May 12, 5:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Butler, Colfax, Lancaster, Platte, Saunders, Seward	50 min
May 12, 5:45 PM CDT	Tornado Warning	OAX	Colfax, Platte	30 min
May 12, 5:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Colfax, Cuming, Madison, Platte, Stanton	38 min
May 12, 6:02 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Burt, Colfax, Cuming, Dodge, Douglas, Lancaster and 2 more	43 min
May 12, 6:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Burt, Cedar, Cuming, Stanton, Thurston, Wayne	38 min
May 12, 6:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Butler, Colfax, Lancaster, Platte, Saunders, Seward	48 min
May 12, 6:35 PM CDT	Severe Thunderstorm Warning	OAX	Saline, Seward	40 min
May 12, 6:36 PM CDT	Tornado Warning	OAX	Burt, Cuming, Dodge, Thurston	24 min
May 12, 6:39 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Burt, Douglas, Thurston, Washington	51 min
May 12, 6:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Burt, Cuming, Thurston, Wayne	21 min
May 12, 6:45 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Burt, Cuming, Dodge, Douglas, Saunders, Washington	30 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.