Alert archive / Nebraska / Tornado Warnings in 1998

Tornado Warning 41, NWS Omaha, NE

June 17, 1998Madison County, Nebraska

NWS Omaha, NE issued this tornado warning at Jun 17, 1998, 10:52 PM CDT for Madison County, Nebraska. It was in force for 58 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 17, 1998, 10:52 PM CDT (03:52 UTC)
Expired
Jun 17, 1998, 11:50 PM CDT
In force
58 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Madison County, NE

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 17, 6:15 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 3.9 hours before the alert went out and 122 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 1998-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3449 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 1998-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
3449 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
1514 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.3
Supercell composite
11.9

Open this sounding in Storm Lab

The text

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

584 
WFUS1 KOMA 180353 RRA
TOROMA
NEC119-180450-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1052 PM CDT WED JUN 17 1998

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  MADISON COUNTY IN NORTHEASTERN NEBRASKA

* UNTIL 1150 PM CDT

* AT 1051 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A TORNADO 18 MILES WEST SOUTHWEST OF NORFOLK OR 9 MILES SOUTHWEST
  OF BATTLE CREEK MOVING EAST NORTHEAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  BATTLE CREEK                 AT 1105 PM CDT
  ENOLA                        AT 1110 PM CDT
  NORFOLK                      AT 1130 PM CDT

IF YOU ARE IN THE WARNED AREA...TAKE SHELTER IN A BASEMENT IF ONE
IS AVAILABLE.  OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR.  CARS AND MOBILE HOMES SHOULD BE ABANDONED.

BYRD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 7:59 PM CDTSevere Thunderstorm WarningOAXAntelope, Boone61 min
Jun 17, 8:30 PM CDTTornado WarningOAXBoone35 min
Jun 17, 8:45 PM CDTTornado WarningOAXAntelope35 min
Jun 17, 9:04 PM CDTSevere Thunderstorm WarningOAXBoone61 min
Jun 17, 9:04 PM CDTSevere Thunderstorm WarningOAXBoone66 min
Jun 17, 9:23 PM CDTSevere Thunderstorm WarningOAXAntelope32 min
Jun 17, 10:19 PM CDTFlash Flood WarningOAXBoone3 hr
Jun 17, 10:33 PM CDTFlash Flood WarningOAXBoone, Madison, Platte6 hr
Jun 17, 10:46 PM CDTSevere Thunderstorm WarningOAXMadison64 min

Nearby

Tornado Warnings in Nebraska, 1998Every tornado warning in 1998Tornadoes in 1998

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.