Alert archive / Nebraska / Tornado Warnings in 1998

Tornado Warning 49, NWS Omaha, NE

June 23, 1998Colfax County, Platte County, Nebraska

NWS Omaha, NE issued this tornado warning at Jun 23, 1998, 7:37 PM CDT for Colfax County, Platte County, Nebraska. It was in force for 33 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 23, 1998, 7:37 PM CDT (00:37 UTC)
Expired
Jun 23, 1998, 8:10 PM CDT
In force
33 min
Issued by
NWS Omaha, NE
Area
Whole counties

Counties Colfax County, NE, Platte County, NE

The radar

The Omaha radar (KOAX), 83 km from the middle of the area, began a volume at 00:37 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.

What was reported inside it

TimeReportWhereRemark
Jun 23, 8:15 PM CDTTornado F1Howells, NETwo farm houses destroyed. Eight farm houses damaged.

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.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 23, 7:15 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.6 hours before the alert went out and 280 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, N. Platte/Lee Bi, NE at 00:00Z on 1998-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1938 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 1998-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
1938 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1197 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
147 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

805 
WFUS1 KOMA 240037 RRA
TOROMA
NEC037-141-240110-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
737 PM CDT TUE JUN 23 1998

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  PLATTE COUNTY IN NORTHEASTERN NEBRASKA
  COLFAX COUNTY IN NORTHEASTERN NEBRASKA

* UNTIL 810 PM CDT

* AT 734 PM CDT... SPOTTERS REPORTED A TORNADO JUST NORTH OF RICHLAND
MOVING NORTHEAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO MAINLY REMAIN IN RURAL AREAS.

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.

MEAD


&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 7:01 PM CDTTornado WarningOAXColfax, Platte34 min
Jun 23, 7:24 PM CDTTornado WarningOAXThurston51 min
Jun 23, 7:28 PM CDTSevere Thunderstorm WarningOAXCuming, Wayne62 min
Jun 23, 7:30 PM CDTSevere Thunderstorm WarningOAXKnox65 min
Jun 23, 7:32 PM CDTSevere Thunderstorm WarningOAXSaline48 min
Jun 23, 7:45 PM CDTTornado WarningOAXCuming, Stanton, Wayne45 min
Jun 23, 7:56 PM CDTTornado WarningOAXDodge49 min
Jun 23, 8:07 PM CDTTornado WarningOAXCuming48 min
Jun 23, 8:19 PM CDTSevere Thunderstorm WarningOAXPlatte66 min
Jun 23, 8:24 PM CDTSevere Thunderstorm WarningOAXButler, Saline, Seward61 min
Jun 23, 8:26 PM CDTTornado WarningOAXBurt, Washington49 min
Jun 23, 8:31 PM CDTSevere Thunderstorm WarningOAXCedar49 min
Jun 23, 8:43 PM CDTTornado WarningOAXDodge32 min
Jun 23, 8:48 PM CDTSevere Thunderstorm WarningOAXLancaster, Saunders62 min
Jun 23, 8:53 PM CDTSevere Thunderstorm WarningOAXCuming47 min
Jun 23, 9:09 PM CDTTornado WarningOAXPlatte36 min
Jun 23, 9:14 PM CDTSevere Thunderstorm WarningOAXBurt, Dodge, Washington61 min
Jun 23, 9:19 PM CDTFlash Flood WarningOAXCuming, Dodge5 hr
Jun 23, 9:22 PM CDTSevere Thunderstorm WarningOAXColfax48 min
Jun 23, 9:39 PM CDTSevere Thunderstorm WarningOAXCuming, Stanton61 min
Jun 23, 9:53 PM CDTFlash Flood WarningOAXBurt6 hr
Jun 23, 10:05 PM CDTTornado WarningOAXWashington35 min
Jun 23, 10:11 PM CDTSevere Thunderstorm WarningOAXBurt64 min
Jun 23, 10:21 PM CDTTornado WarningOAXBurt29 min
Jun 23, 10:26 PM CDTSevere Thunderstorm WarningOAXCedar34 min
Jun 23, 10:35 PM CDTSevere Thunderstorm WarningOAXGage45 min
Jun 24, 12:37 AM CDTSevere Thunderstorm WarningOAXPawnee48 min
Jun 24, 1:04 AM CDTSevere Thunderstorm WarningOAXRichardson36 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.