Alert archive / Nebraska / Tornado Warnings in 1992

Tornado Warning 18, NWS Hastings, NE

July 18, 1992Dawson County, Nebraska

NWS Hastings, NE issued this tornado warning at Jul 18, 1992, 7:30 PM CDT for Dawson County, Nebraska. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Jul 18, 1992, 7:30 PM CDT (00:30 UTC)
Expired
Jul 18, 1992, 8:00 PM CDT
In force
30 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Dawson County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.5 hours before the alert went out and 72 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 1992-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1217 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, N. Platte/Lee Bi, NE at 00:00Z on 1992-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
1217 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
2474 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRI 190030
TORGRI
NEC019-047-099-190100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE GRAND ISLAND NE
730 PM CDT SAT JUL 18 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTH CENTRAL PART OF NEBRASKA
      SOUTHERN BUFFALO...DAWSON...NORTHERN KEARNEY

AT 730 PM CDT...RADAR INDICATED POSSIBLE TORNADOS 20 MILES
NORTH OF LEXINGTON AND OVER KEARNEY...MOVING SOUTHEAST AT 20
MILES AN HOUR.

IF YOU ARE IN THE PATH OF THIS TORNADO TAKE SHELTER IN A BASEMENT
OR BELOW GROUND.  OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE
LOWEST FLOOR.  ABANDON CARS AND MOBILE HOMES FOR A REINFORCED
BUILDING.

IF YOU ARE CAUGHT IN THE OPEN...TRY TO HIDE IN A DEPRESSION SUCH
AS A DITCH OR CULVERT.  COVER YOUR HEAD WITH YOUR HANDS.

 DAS

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 18, 4:38 PM CDT, 2 hours 52 minutes before
NEZ008-013>015-017>019-182245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
437 PM CDT SAT JUL 18 1992

...A TORNADO WATCH CONTINUES FOR MUCH OF CENTRAL NEBRASKA
   UNTIL 900 PM CDT...

AT 425 PM CDT...THUNDERSTORMS WERE INCREASING IN NUMBER AND INTENSITY
OVER NORTH CENTRAL NEBRASKA.

THE STORMS WERE NORTH OF A LINE EXTENDING FROM O`NEIL...TO BROKEN BOW...
...TO MULLEN AND EAST OF A LINE FROM MULLEN TO VALENTINE.

THE STRONGEST THUNDERSTORMS WERE 22 MILES EAST OF MULLEN...AND 25 MILES
WEST OF AINSWORTH.  THESE STORMS ARE CAPABLE OF PRODUCING VERY HEAVY
RAINS...STRONG GUSTY WINDS...HAIL..AND DANGEROUS LIGHTNING.

A LONE THUNDERSTORM WAS OVER SOUTHWEST NEBRASKA 25 MILES WEST OF MCCOOK.
^
MOVEMENT OF ALL THE THUNDERSTORMS WAS TO THE SOUHEAST AT 20 MILES AN
HOUR.

PERSONS IN SOUTH CENTRAL NEBRASKA SHOULD CONTINUE TO MONITOR THE
WEATHER SITUATION CLOSELY FOR THE REMAINDER OF THE AFTERNOON AND
THIS EVENING.  LISTEN FOR LATER STATEMENTS CONCERNING THE THREAT
OF SEVERE WEATHER.

DAS
Special weather statement, Jul 18, 5:40 PM CDT, 1 hour 50 minutes before
NEZ008-013>015-017>019-182345-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
540 PM CDT SAT JUL 18 1992

...A TORNADO WATCH CONTINUES FOR MUCH OF CENTRAL NEBRASKA
   UNTIL 900 PM CDT...

AT 525 PM CDT...THUNDERSTORMS...SOME STRONG...WERE OVER PORTIONS
OF NORTH CENTRAL AND CENTRAL NEBRASKA.

THESE STORMS WERE WEST OF A LINE EXTENDING FROM 40 MILES NORTHWEST OF
O`NEIL...TO O`NEIL...TO 10 MILES SOUTHEAST OF BROKEN BOW.  THEY WERE
NORTH OF A LINE EXTENDING FROM 10 MILES SOUTHEAST OF BROKEN BOW...
TO 25 MILES NORTHWEST OF NORTH PLATTE.

THE STRONGEST STORMS WERE 15 MILES NORTH AND 10 MILES WEST OF BROKEN BOW
AND ALSO 10 MILES EAST OF AINSWORTH.  THESE STORMS ARE CAPABLE OF PRODUCING
VERY HEAVY RAINS...HAIL...GUSTY WINDS...AND DANGEROUS LIGHTNING.
^
OTHER THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER SOUTH CENTRAL
NEBRASKA FROM SOUTH OF LEXINGTON...TO SOUTH OF GOTHENBURG.

ALL THE STORMS WERE MOVING SOUTHEAST AT 20 MILES AN HOUR.

PEOPLE IN SOUTH CENTRAL NEBRASKA SHOULD CONTINUE TO MONITOR THE
WEAHTHER SITUATION CLOSELY THIS EVENING.  LISTEN FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.

DAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 7:04 PM CDTTornado WarningGIDBuffalo, Dawson26 min
Jul 18, 7:09 PM CDTSevere Thunderstorm WarningGIDPhelps36 min
Jul 18, 7:30 PM CDTTornado WarningGIDBuffalo, Kearney30 min
Jul 18, 7:48 PM CDTTornado WarningGIDHarlan, Phelps27 min
Jul 18, 7:57 PM CDTSevere Thunderstorm WarningGIDValley33 min
Jul 18, 8:03 PM CDTTornado WarningGIDAdams, Kearney27 min
Jul 18, 8:09 PM CDTSevere Thunderstorm WarningGIDMerrick, Nance, Polk36 min
Jul 18, 8:12 PM CDTSevere Thunderstorm WarningGIDGosper, Phelps33 min
Jul 18, 8:35 PM CDTSevere Thunderstorm WarningGIDAdams, Clay, Nuckolls, Webster25 min
Jul 18, 8:35 PM CDTSevere Thunderstorm WarningGIDFillmore25 min
Jul 18, 8:50 PM CDTSevere Thunderstorm WarningGIDPolk, York25 min
Jul 18, 9:15 PM CDTTornado WarningGIDYork30 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.