Alert archive / Nebraska / Tornado Warnings in 1998

Tornado Warning 60, NWS Omaha, NE

June 27, 1998Gage County, Nebraska

NWS Omaha, NE issued this tornado warning at Jun 27, 1998, 9:10 PM CDT for Gage County, Nebraska. It was in force for 50 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 27, 1998, 9:10 PM CDT (02:10 UTC)
Expired
Jun 27, 1998, 10:00 PM CDT
In force
50 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Gage County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.2 hours before the alert went out and 121 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 1998-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4815 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 1998-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
4815 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1274 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
2.3
Supercell composite
15.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOMA 280210 RRA
TOROMA
NEC067-280300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
910 PM CDT SAT JUN 27 1998

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN GAGE COUNTY IN SOUTHEASTERN NEBRASKA

* UNTIL 1000 PM CDT

* AT 908 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A POSSIBLE TORNADO 31 MILES SOUTH OF LINCOLN OR 5 MILES WEST OF
  PICKRELL MOVING EAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  PICKRELL                     NOW
  FILLEY                       AT 925 PM CDT
  ADAMS                        AT 925 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.

AKL

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 27, 4:50 PM CDT, 4 hours 20 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093-
IAZ043-055-056-069-079-080-090-091-281200-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
450 PM CDT SAT JUN 27 1998

...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA...

SPOTTER ACTION...
STORM SPOTTER ACTIVATION MAY BE REQUIRED ACROSS EASTERN NEBRASKA AND
SOUTHWEST IOWA THIS EVENING AND TONIGHT.

DISCUSSION...
A HUMID AND UNSTABLE AIRMASS COVERS EASTERN NEBRASKA...IOWA AND
MINNESOTA.  A WARM FRONT ACROSS SOUTHERN MINNESOTA WILL ACT AS ONE FOCUS
FOR THUNDERSTORM DEVELOPMENT.  A COLD FRONT FROM SOUTHEAST SOUTH DAKOTA
SOUTH ACROSS SOUTH CENTRAL NEBRASKA TO SOUTHWEST KANSAS WILL SHIFT
SLOWLY EAST.  THIS FRONT MAY ACT AS A TRIGGER FOR THUNDERSTORM
DEVELOPMENT.

THUNDERSTORMS...IF THEY DEVELOP....MAY PRODUCE SEVERE WEATHER...
INCUDING LARGE HAIL...DAMAGING WINDS AND THE POSSIBILITY OF TORNADOES.
LOCALLY HEAVY RAINS ARE LIKELY IN THE THUNDERSTORMS.  THE GREATEST
CHANCE OF SEVERE WEATHER EARLY THIS EVENING WILL BE IN NORTHEAST
NEBRASKA BUT THERE IS SOME THREAT ACROSS EASTERN NEBRASKA AND
SOUTHWEST IOWA.

POWERS
Special weather statement, Jun 27, 4:50 PM CDT, 4 hours 20 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093-
IAZ043-055-056-069-079-080-090-091-281200-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
450 PM CDT SAT JUN 27 1998

...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA...

SPOTTER ACTION...
STORM SPOTTER ACTIVATION MAY BE REQUIRED ACROSS EASTERN NEBRASKA AND
SOUTHWEST IOWA THIS EVENING AND TONIGHT.

DISCUSSION...
A HUMID AND UNSTABLE AIRMASS COVERS EASTERN NEBRASKA...IOWA AND
MINNESOTA.  A WARM FRONT ACROSS SOUTHERN MINNESOTA WILL ACT AS ONE FOCUS
FOR THUNDERSTORM DEVELOPMENT.  A COLD FRONT FROM SOUTHEAST SOUTH DAKOTA
SOUTH ACROSS SOUTH CENTRAL NEBRASKA TO SOUTHWEST KANSAS WILL SHIFT
SLOWLY EAST.  THIS FRONT MAY ACT AS A TRIGGER FOR THUNDERSTORM
DEVELOPMENT.

THUNDERSTORMS...IF THEY DEVELOP....MAY PRODUCE SEVERE WEATHER...
INCUDING LARGE HAIL...DAMAGING WINDS AND THE POSSIBILITY OF TORNADOES.
LOCALLY HEAVY RAINS ARE LIKELY IN THE THUNDERSTORMS.  THE GREATEST
CHANCE OF SEVERE WEATHER EARLY THIS EVENING WILL BE IN NORTHEAST
NEBRASKA BUT THERE IS SOME THREAT ACROSS EASTERN NEBRASKA AND
SOUTHWEST IOWA.

POWERS
Special weather statement, Jun 27, 7:32 PM CDT, 1 hour 38 minutes before
NEZ012>015-018-IAZ043-280130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
732 PM CDT SAT JUN 27 1998

...TORNADO WATCH 683 NO LONGER IN EFFECT IN MUCH OF NORTHEAST
NEBRASKA...

TORNADO WATCH 683...ISSUED ABOUT 330 PM CDT THIS AFTERNOON IS NO
LONGER IN EFFECT IN CEDAR...DIXON...DAKOTA AND WAYNE COUNTIES IN
NORTHEAST NEBRASKA.  COOLER AIR AT THE SURFACE HAS MOVE IN BEHIND A
COOL FRONT AND STABILIZED THE AIRMASS ENOUGH THAT SEVERE
THUNDERSTORM WEATHER IS NOT LIKELY.

TORNADO WATCH 683 REMAINS IN EFFECT FOR THURSTON COUNTY NEBRASKA AND
MONONA COUNTY IOWA UNTIL 10 PM CDT.

THUNDERSTORMS CONTINUE TO DEVELOP IN LINE FROM SOUTHEAST OF SIOUX
CITY IOWA TO SOUTH OF SCHUYLER NEBRASKA.

POWERS
Special weather statement, Jun 27, 7:32 PM CDT, 1 hour 38 minutes before
NEZ012>015-018-IAZ043-280130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
732 PM CDT SAT JUN 27 1998

...TORNADO WATCH 683 NO LONGER IN EFFECT IN MUCH OF NORTHEAST
NEBRASKA...

TORNADO WATCH 683...ISSUED ABOUT 330 PM CDT THIS AFTERNOON IS NO
LONGER IN EFFECT IN CEDAR...DIXON...DAKOTA AND WAYNE COUNTIES IN
NORTHEAST NEBRASKA.  COOLER AIR AT THE SURFACE HAS MOVE IN BEHIND A
COOL FRONT AND STABILIZED THE AIRMASS ENOUGH THAT SEVERE
THUNDERSTORM WEATHER IS NOT LIKELY.

TORNADO WATCH 683 REMAINS IN EFFECT FOR THURSTON COUNTY NEBRASKA AND
MONONA COUNTY IOWA UNTIL 10 PM CDT.

THUNDERSTORMS CONTINUE TO DEVELOP IN LINE FROM SOUTHEAST OF SIOUX
CITY IOWA TO SOUTH OF SCHUYLER NEBRASKA.

POWERS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 8:19 PM CDTSevere Thunderstorm WarningOAXLancaster46 min
Jun 27, 8:28 PM CDTSevere Thunderstorm WarningOAXGage, Lancaster, Saline62 min
Jun 27, 8:50 PM CDTSevere Thunderstorm WarningOAXDouglas, Washington50 min
Jun 27, 8:50 PM CDTSevere Thunderstorm WarningOAXSarpy50 min
Jun 27, 9:19 PM CDTSevere Thunderstorm WarningOAXJefferson31 min
Jun 27, 9:36 PM CDTSevere Thunderstorm WarningOAXGage49 min
Jun 27, 9:43 PM CDTTornado WarningOAXCass32 min
Jun 27, 9:46 PM CDTTornado WarningOAXJefferson34 min
Jun 27, 10:03 PM CDTTornado WarningOAXGage32 min
Jun 27, 10:19 PM CDTSevere Thunderstorm WarningOAXCass46 min
Jun 27, 10:38 PM CDTSevere Thunderstorm WarningOAXGage47 min
Jun 27, 10:48 PM CDTFlash Flood WarningOAXGage, Jefferson6 hr

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.