Alert archive / Nebraska / Tornado Warnings in 1996

Tornado Warning 8, NWS Omaha, NE

May 8, 1996Johnson County, Nebraska

NWS Omaha, NE issued this tornado warning at May 8, 1996, 10:13 PM CDT for Johnson County, Nebraska. It was in force for 47 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 8, 1996, 10:13 PM CDT (03:13 UTC)
Expired
May 8, 1996, 11:00 PM CDT
In force
47 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Johnson County, NE

The radar

The Omaha radar (KOAX), 103 km from the middle of the area, began a volume at 03:16 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 00:00Z, 3.2 hours before the alert went out and 103 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 1996-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1091 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 00:00Z on 1996-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
1091 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KOMA 090314
TOROMA
NEC097-090400-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1013 PM CDT WED MAY 8 1996
 
THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1100 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST NEBRASKA
 
   ...JOHNSON COUNTY
 
AT 1011 PM RADAR INDICATED A POSSIBLE TORNADO ABOUT 7 MILES
SOUTH-SOUTHWEST OF STERLING...OR ABOUT 35 MILES SOUTHEAST OF LINCOLN.
THE STORM WAS MOVING EAST AT 35 MPH. TOWNS IN THE PATH OF THIS STORM ARE
VESTA...ST. MARY AND TECUMSEH.
 
 
 
 
PERSONS IN THE WARNED AREA SHOULD TAKE SHELTER IN A BASEMENT IF
AVAILABLE.  OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR.  CARS AND MOBILE HOMES SHOULD BE ABANDONED.

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 8:09 PM CDTSevere Thunderstorm WarningOAXGage, Saline36 min
May 8, 8:42 PM CDTSevere Thunderstorm WarningOAXGage, Lancaster48 min
May 8, 8:50 PM CDTTornado WarningOAXGage, Lancaster40 min
May 8, 9:11 PM CDTTornado WarningOAXJefferson49 min
May 8, 9:15 PM CDTTornado WarningOAXJohnson, Nemaha, Otoe30 min
May 8, 9:29 PM CDTTornado WarningOAXGage, Johnson46 min
May 8, 9:52 PM CDTTornado WarningOAXJefferson38 min
May 8, 10:06 PM CDTSevere Thunderstorm WarningOAXLancaster, Saunders54 min
May 8, 10:27 PM CDTSevere Thunderstorm WarningOAXGage48 min
May 8, 10:31 PM CDTTornado WarningOAXGage44 min
May 8, 11:43 PM CDTSevere Thunderstorm WarningOAXDodge47 min
May 9, 12:25 AM CDTSevere Thunderstorm WarningOAXMadison, Stanton50 min
May 9, 12:30 AM CDTSevere Thunderstorm WarningOAXBurt, Cuming30 min
May 9, 12:48 AM CDTSevere Thunderstorm WarningOAXSaline, Seward42 min
May 9, 1:30 AM CDTSevere Thunderstorm WarningOAXLancaster45 min
May 9, 1:40 AM CDTSevere Thunderstorm WarningOAXColfax50 min
May 9, 3:55 AM CDTFlash Flood WarningOAXLancaster, Otoe5 hr
May 9, 6:59 PM CDTSevere Thunderstorm WarningOAXJefferson46 min

Nearby

Tornado Warnings in Nebraska, 1996Every tornado warning in 1996Tornadoes in 1996

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.