Alert archive / Nebraska / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 77, NWS Omaha, NE

June 15, 2019Richardson County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 15, 2019, 3:55 PM CDT for Richardson County, Nebraska. It was in force for 35 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
Jun 15, 2019, 3:55 PM CDT (20:55 UTC)
Expired
Jun 15, 2019, 4:30 PM CDT
In force
35 min
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Richardson County, NE

The radar

The Topeka radar (KTWX), 133 km from the middle of the area, began a volume at 20:58 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, 8.9 hours before the alert went out and 144 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 2019-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 587 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 2019-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.193958Sfc1 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
587 J/kg
Mixed-layer CIN
-188 J/kg
Mixed-layer LCL
1172 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
76 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
Jun 14, 9:18 PM CDTSevere Thunderstorm WarningOAXButler, Saline, Seward42 min
Jun 14, 10:12 PM CDTSpecial Weather StatementOAXSeward33 min
Jun 14, 10:23 PM CDTSpecial Weather StatementOAXSaline37 min
Jun 14, 10:35 PM CDTSpecial Weather StatementOAXLancaster25 min
Jun 14, 10:46 PM CDTSpecial Weather StatementOAXSaline29 min
Jun 14, 10:52 PM CDTSevere Thunderstorm WarningOAXGage, Lancaster, Saline38 min
Jun 14, 10:57 PM CDTSevere Thunderstorm WarningOAXJefferson, Saline33 min
Jun 14, 11:20 PM CDTSpecial Weather StatementOAXJohnson25 min
Jun 14, 11:33 PM CDTSpecial Weather StatementOAXGage27 min
Jun 14, 11:58 PM CDTSpecial Weather StatementOAXGage, Johnson32 min
Jun 15, 12:13 AM CDTSpecial Weather StatementOAXJefferson32 min
Jun 15, 12:27 AM CDTSpecial Weather StatementOAXPawnee48 min
Jun 15, 12:46 AM CDTSpecial Weather StatementOAXJefferson44 min
Jun 15, 1:04 AM CDTSpecial Weather StatementOAXRichardson26 min
Jun 15, 1:21 AM CDTSpecial Weather StatementOAXGage39 min
Jun 15, 3:33 PM CDTSevere Thunderstorm WarningOAXPawnee, Richardson27 min
Jun 15, 4:06 PM CDTSpecial Weather StatementOAXRichardson24 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2019Every severe thunderstorm warning in 2019

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.