Alert archive / Nebraska / Tornado Warnings in 1992

Tornado Warning 25, NWS Omaha, NE

July 1, 1992Jefferson County, Nebraska

NWS Omaha, NE issued this tornado warning at Jul 1, 1992, 10:50 PM CDT for Jefferson County, Nebraska. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Jul 1, 1992, 10:50 PM CDT (03:50 UTC)
Expired
Jul 1, 1992, 11:15 PM CDT
In force
25 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Jefferson County, NE

The nearest sounding before it

Omaha, NE (KOVN), launched 00:00Z, 3.8 hours before the alert went out and 143 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 1992-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1215 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 1992-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
1215 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1615 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.2
Supercell composite
5.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLNK 020350
TORLNK
NEC095-020415-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE LINCOLN NE
1050 PM CDT WED JUL 1 1992

THE NATIONAL WEATHER SERVICE HAS ISSU

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, Jul 1, 6:09 PM CDT, 4 hours 41 minutes before
NEZ003-004-007-008-009-020100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
610 PM CDT WED JUL 1 1992

...FLASH FLOOD WATCH FOR NORTHEAST NEBRASKA TONIGHT...

SHOWERS AND THUNDERSTORMS WILL BE SCATTERED ACROSS NORTH CENTRAL AND
NORTHEAST NEBRASKA FOR THE REST OF THE EVENING...AND INTO THE NIGHT.
SOME OF THE THUNDERSTORMS...ESPECIALLY IN NORTHEAST NEBRASKA...WILL
PRODUCE VERY HEAVY RAIN.  LOW TEMPERATURES TONIGHT ARE EXPECTED TO BE
IN THE MID 50S TO LOWER 60S.

PERSONS IN NORTHEAST NEBRASKA...ESPECIALLY THOSE WHO LIVE NEAR CREEKS
AND STREAMS...SHOULD BE ALERT FOR POSSIBLE FLOODING.  HAVE A PLAN OF
ACTION READY TO PROTECT LIFE AND PROPERTY IF FLOODING DEVELOPS.  ALSO
LISTEN FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS.

MILLER
Special weather statement, Jul 1, 9:40 PM CDT, 1 hour 10 minutes before
NEZ003-004-007-008-009-020400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
940 PM CDT WED JUL 1 1992

...FLASH FLOOD WATCH CONTINUES FOR NORTHEAST NEBRASKA TONIGHT...

SCATTERED SHOWERS AND THUNDERSTORMS WILL BE ACROSS NORTH CENTRAL AND
NORTHEAST NEBRASKA THROUGH THE NIGHTTIME HOURS.  SOME OF THE STORMS
WILL PRODUCE LOCALLY HEAVY RAIN.

PERSONS IN NORTHEAST NEBRASKA..ESPECIALLY THOSE WHO LIVE NEAR CREEKS
AND STREAMS...SHOULD BE ALERT FOR POSSIBLE FLOODING.  HAVE A PLAN OF
ACTION READY TO PROTECT LIFE AND PROPERTY IF FLOODING DEVELOPS.

MILLER
Special weather statement, Jul 1, 10:23 PM CDT, 27 minutes before
NEZ003-004-007-008-009-020430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
1020 PM CDT WED JUL 1 1992

...TORNADO WATCH FOR A SMALL PART OF NORTHEAST NEBRASKA UNTIL 4 AM...
...FLASH FLOOD WATCH CONTINUES FOR NORTHEAST NEBRASKA TONIGHT...

RADAR INDICATED A STRONG THUNDERSTORM ABOUT 45 MILES NORTHWEST OF
NORFOLK AT 1015 PM CDT.  THIS STORM WILL TRACK NORTHEAST AT 25 MPH
ACROSS KNOX COUNTY...NEAR CENTER AND BLOOMFIELD.  HEAVY RAIN...SMALL
HAIL AND GUSTY WIND WILL OCCUR WITH THE STORM.

A TORNADO WATCH IS IN EFFECT FOR COLFAX STANTON AND CUMING COUNTIES
UNTIL 4 AM CDT THURSDAY MORNING.

HEAVY RAIN AND FLASH FLOODING ARE POSSIBLE IN NORTHEAST NEBRASKA
THROUGH THE NIGHT.  IF FLOODING DEVELOPS IN YOUR AREA...OR IF A
FLASH FLOOD WARNING IS ISSUED...MOVE TO HIGHER GROUND IMMEDIATELY.
MILLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 10:20 PM CDTSevere Thunderstorm WarningOAXJefferson55 min
Jul 1, 11:20 PM CDTSevere Thunderstorm WarningOAXWashington25 min
Jul 1, 11:36 PM CDTSevere Thunderstorm WarningOAXCass49 min
Jul 2, 4:11 AM CDTSevere Thunderstorm WarningOAXSaline19 min

Nearby

Tornado Warnings in Nebraska, 1992Every tornado warning in 1992Tornadoes in 1992

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.