Alert archive / Nebraska / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 263, NWS Omaha, NE

August 19, 2022Saline County, Seward County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Aug 19, 2022, 2:31 PM CDT for Saline County, Seward 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
Aug 19, 2022, 2:31 PM CDT (19:31 UTC)
Expired
Aug 19, 2022, 3:15 PM CDT
In force
44 min
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
50.0 mph

Counties Saline County, NE, Seward County, NE

The radar

The Omaha radar (KOAX), 95 km from the middle of the area, began a volume at 19:31 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, 7.5 hours before the alert went out and 95 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-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 2022-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 92 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2022-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
92 J/kg
Mixed-layer CIN
-203 J/kg
Mixed-layer LCL
1629 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 7:39 PM CDTSpecial Weather StatementOAXThurston36 min
Aug 18, 7:42 PM CDTSevere Thunderstorm WarningOAXBurt, Thurston36 min
Aug 18, 8:10 PM CDTSevere Thunderstorm WarningOAXBurt50 min
Aug 18, 8:58 PM CDTSevere Thunderstorm WarningOAXBurt18 min
Aug 19, 5:16 AM CDTSpecial Weather StatementOAXStanton14 min
Aug 19, 5:28 AM CDTSpecial Weather StatementOAXStanton17 min
Aug 19, 2:36 PM CDTSevere Thunderstorm WarningOAXCass, Johnson, Lancaster, Nemaha, Otoe54 min
Aug 19, 3:12 PM CDTSevere Thunderstorm WarningOAXLancaster, Seward21 min
Aug 19, 3:17 PM CDTSevere Thunderstorm WarningOAXJohnson, Nemaha, Otoe, Pawnee, Richardson58 min
Aug 19, 3:19 PM CDTSpecial Weather StatementOAXDouglas26 min
Aug 19, 3:22 PM CDTSpecial Weather StatementOAXSarpy23 min
Aug 19, 4:48 PM CDTSpecial Weather StatementOAXJefferson42 min
Aug 19, 4:53 PM CDTSpecial Weather StatementOAXNemaha52 min
Aug 19, 6:01 PM CDTSpecial Weather StatementOAXJohnson29 min
Aug 19, 6:04 PM CDTSevere Thunderstorm WarningOAXJohnson, Nemaha, Pawnee26 min
Aug 19, 6:58 PM CDTSpecial Weather StatementOAXRichardson47 min
Aug 19, 3:03 PM CDTSevere Thunderstorm WarningOAXPottawattamie, Shelby42 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2022Every 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.