Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 56, NWS Omaha, NE

June 18, 1990Saunders County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 18, 1990, 7:40 PM CDT for Saunders County, Nebraska. It was in force for 65 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 18, 1990, 7:40 PM CDT (00:40 UTC)
Expired
Jun 18, 1990, 8:45 PM CDT
In force
65 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Saunders County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jun 18, 7:45 PM CDTHail 2.75Saunders, NE

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 0.7 hours before the alert went out and 25 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 00:00Z on 1990-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1990-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3604 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
281 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 7:11 PM CDTSevere Thunderstorm WarningOAXButler, Seward49 min
Jun 18, 7:15 PM CDTSevere Thunderstorm WarningOAXDouglas, Sarpy60 min
Jun 18, 7:40 PM CDTSevere Thunderstorm WarningOAXWashington65 min
Jun 18, 7:53 PM CDTTornado WarningOAXDodge, Saunders22 min
Jun 18, 8:14 PM CDTSevere Thunderstorm WarningOAXButler, Seward31 min
Jun 18, 8:18 PM CDTSevere Thunderstorm WarningOAXDodge, Douglas, Saunders, Washington57 min
Jun 18, 8:29 PM CDTSevere Thunderstorm WarningOAXCass, Sarpy61 min
Jun 18, 8:47 PM CDTSevere Thunderstorm WarningOAXButler28 min
Jun 18, 9:26 PM CDTSevere Thunderstorm WarningOAXDodge, Saunders64 min
Jun 18, 9:49 PM CDTSevere Thunderstorm WarningOAXBurt, Washington26 min
Jun 18, 10:23 PM CDTSevere Thunderstorm WarningOAXBurt, Washington37 min
Jun 19, 2:41 AM CDTSevere Thunderstorm WarningOAXGage, Pawnee64 min
Jun 19, 3:12 AM CDTSevere Thunderstorm WarningOAXRichardson38 min
Jun 18, 7:40 PM CDTSevere Thunderstorm WarningOAXMills65 min
Jun 18, 8:56 PM CDTSevere Thunderstorm WarningOAXShelby34 min
Jun 18, 10:03 PM CDTSevere Thunderstorm WarningOAXHarrison27 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1990Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.