Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 33, NWS Omaha, NE

June 8, 1990Sarpy County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 8, 1990, 8:57 AM CDT for Sarpy County, Nebraska. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1990, 8:57 AM CDT (13:57 UTC)
Expired
Jun 8, 1990, 10:00 AM CDT
In force
63 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Sarpy County, NE

The radar

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

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 2.0 hours before the alert went out and 32 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 1990-06-08Temperature 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 12:00Z on 1990-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3618 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
195 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 8, 7:27 AM CDTSevere Thunderstorm WarningOAXDodge, Saunders63 min
Jun 8, 7:31 AM CDTSevere Thunderstorm WarningOAXDodge, Saunders59 min
Jun 8, 7:49 AM CDTSevere Thunderstorm WarningOAXDouglas, Washington56 min
Jun 8, 8:46 AM CDTSevere Thunderstorm WarningOAXDouglas44 min
Jun 8, 8:57 AM CDTSevere Thunderstorm WarningOAXSaunders38 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; the sounding from the Mesonet's radiosonde archive.