Alert archive / Nebraska / Tornado Warnings in 1992

Tornado Warning 27, NWS Omaha, NE

July 11, 1992Burt County, Nebraska

NWS Omaha, NE issued this tornado warning at Jul 11, 1992, 8:18 PM CDT for Burt County, Nebraska. It was in force for 27 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
Jul 11, 1992, 8:18 PM CDT (01:18 UTC)
Expired
Jul 11, 1992, 8:45 PM CDT
In force
27 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Burt County, NE

What was reported inside it

TimeReportWhereRemark
Jul 11, 8:30 PM CDTHail 1.75Burt, NE

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Omaha, NE (KOVN), launched 00:00Z, 1.3 hours before the alert went out and 59 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 1992-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1377 joules per kilogram.LCLEL10008507005003002001001 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 1992-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
1377 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
777 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOMA 120118
TOROMA
NEC021-120145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
818 PM CDT SAT JUL 11 1992
 
THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL NEBRASKA
 
   ...NORTHERN BURT COUNTY
 
AT 815 PM CDT RADAR INDICATED A POSSIBLE TORNADO NEAR DECATUR...ABOUT 45
MILES NORTH OF OMAHA. DECATUR RESIDENTS SHOULD TAKE SHELTER IMMEDIATELY.
 
THE STORM WAS MOVING SLOWLY SOUTHEAST AROUND 10 MPH.  IT ALSO CONTAINS
LARGE HAIL AND TORRENTIAL RAIN.
 
PERSONS IN THE WARNED AREA SHOULD TAKE SHELTER IN A BASEMENT IF
AVAILABLE.  OTHERWISE GO TO A SMALL INTERIOR ROOM O!N THE LOWEST
FLOOR.  CARS AND MOBILE HOMES SHOULD BE ABANDONED.
 
IF YOU ARE CAUGHT IN THE OPEN...TRY TO HIDE IN A DEPRESSION SUCH AS
A DITCH OR CULVERT.
 
POLLACK

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 11, 2:19 PM CDT, 5 hours 59 minutes before
NEZ003-004-007-008-009-112025-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
220 PM CDT SAT JUL 11 1992

...SHOWERS AND THUNDERSTORMS CONTINUE ACROSS NORTHEAST NEBRASKA...

AT 205 PM CDT A 40 MILES WIDE BAND OF SHOWERS AND A FEW THUNDERSTORMS
EXTENDED FROM 50 MILES NORTHWEST OF NORFOLK THROUGH YANKTON SOUTH
DAKOTA.  THE STRONGEST STORMS WERE JUST SOUTH OF NIOBRARA OR 35 MILES
SOUTHEAST OF YANKTON AND BETWEEN CREIGHTON AND PLAINVIEW OR 35 MILES
NORTHWEST OF NORFOLK.

ANOTHER STRONG THUNDERSTORM WAS LOCATED 20 MILES WEST OF ONEILL.

THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 20 MPH.
THE STRONGEST STORMS WILL LIKELY PRODUCE BRIEF HEAVY RAIN...SMALL HAIL
AND GUSTY WINDS AS THEY MOVE ACROSS SANTEE...WAUSA AND THE ONEILL
ATKINSON AREA DURING THE NEXT HOUR.
.
MML
Special weather statement, Jul 11, 6:15 PM CDT, 2 hours 3 minutes before
NEZ003-004-007-008-009-120130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
615 PM CDT SAT JUL 11 1992

... AN INTENSE THUNDERSTORM OVER NORTHEAST NEBRASKA ...

AT 610 PM CDT AN INTENSE THUNDERSTORM WAS OCCURRING OVER EASTERN WAYNE
COUNTY BETWEEN WAYNE AND WAKEFIELD OR ABOUT 35 MILES NORTHWEST OF
NORFOLK.  THIS STORM WAS MOVING TO THE EAST AT ABOUT 30 MPH AND
APPEARS CAPABABLE OF PRODUCING BRIEF HEAVY RAIN...SMALL HAIL AND
WIND G~USTS OF UP TO 50 MPH AS IT MOVES EAST INTO THURSTON COUNTY.

NO PRECIPITATION WAS DECTED OVER THE NOR CENTRAL SECTIONS AT THIS
TIME.

VA
Special weather statement, Jul 11, 6:16 PM CDT, 2 hours 2 minutes before
NEZ003-004-007-008-009-120130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
615 PM CDT SAT JUL 11 1992

... AN INTENSE THUNDERSTORM OVER NORTHEAST NEBRASKA ...

AT 610 PM CDT AN INTENSE THUNDERSTORM WAS OCCURRING OVER EASTERN WAYNE
COUNTY BETWEEN WAYNE AND WAKEFIELD OR ABOUT 35 MILES NORTHWEST OF
NORFOLK.  THIS STORM WAS MOVING TO THE EAST AT ABOUT 30 MPH AND
APPEARS CAPABABLE OF PRODUCING BRIEF HEAVY RAIN...SMALL HAIL AND
WIND GUSTS OF UP TO 50 MPH AS IT MOVES EAST INTO THURSTON COUNTY.

NO PRECIPITATION WAS DETECTED OVER THE NORTH CENTRAL SECTIONS AT THIS
TIME.

VA
Special weather statement, Jul 11, 6:18 PM CDT, 2 hours before
NEZ003-004-007-008-009-120130-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE NORFOLK NE
615 PM CDT SAT JUL 11 1992

... AN INTENSE THUNDERSTORM OVER NORTHEAST NEBRASKA ...

AT 610 PM CDT AN INTENSE THUNDERSTORM WAS OCCURRING OVER EASTERN WAYNE
COUNTY BETWEEN WAYNE AND WAKEFIELD OR ABOUT 35 MILES NORTHEAST OF
NORFOLK.  THIS STORM WAS MOVING TO THE EAST AT ABOUT 30 MPH AND
APPEARS CAPABABLE OF PRODUCING BRIEF HEAVY RAIN...SMHALL HAIL AND
WIND GUSTS OF UP TO 50 MPH AS IT MOVES EAST INTO THURSTON COUNTY.

NO PRECIPITATION WAS DETECTED OVER THE NORTH CENTRAL SECTIONS AT THIS
TIME.

VA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 8:01 PM CDTSevere Thunderstorm WarningOAXBurt29 min
Jul 12, 5:23 PM CDTSevere Thunderstorm WarningOAXRichardson22 min
Jul 12, 5:37 PM CDTSevere Thunderstorm WarningOAXRichardson38 min
Jul 12, 6:36 PM CDTSevere Thunderstorm WarningOAXRichardson24 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.