Alert archive / Nebraska / Tornado Warnings in 1993

Tornado Warning 13, NWS Omaha, NE

July 24, 1993Lancaster County, Saline County, Nebraska

NWS Omaha, NE issued this tornado warning at Jul 24, 1993, 7:36 PM CDT for Lancaster County, Saline County, Nebraska. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Jul 24, 1993, 7:36 PM CDT (00:36 UTC)
Expired
Jul 24, 1993, 8:30 PM CDT
In force
54 min
Issued by
NWS Omaha, NE
Area
Whole counties

Counties Lancaster County, NE, Saline County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 0.6 hours before the alert went out and 87 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 1993-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2494 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 1993-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 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
2494 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
715 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
292 m²/s²
Significant tornado parameter
3.0
Supercell composite
12.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLNK 250042
TORLNK
NEC109-151-240130-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN NE
736 PM CDT SAT JUL 24 1993

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  830 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTHEAST NEBRASKA

   ...SOUTHERN LANCASTER COUNTY...EASTERN SALINE COUNTY

AT 725 PM CDT A FUNNEL CLOUD WAS REPORTED NEAR PLYMOUTH. IT WAS MOVING
TO THE NORTHEAST AT 30 MPH. THE TOWNS OF DEWITT CLATONIA..WLBER..HALLAM
AND KRAMER ARE IN THE PATH OF THIS STORM. IF THE STORM STAYS ON ITS
CURRENT TRACK...IT WILL MOVE INTO SOUTHERN LANCASTER COUNTY.
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TODRNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF
A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.


ZELL
&

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 24, 6:58 PM CDT, 38 minutes before
NEZ010-015-020-250215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
655 PM CDT SAT JUL 24 1993

...TORNADO WATCH FOR DODGE AND SAUNDERS COUNTY AND POINTS WEST AND SOUTH
UNTIL MIDNIGHT...

WEATHER SERVICE RADAR AT 655 PM CDT INDICATED SCATTERED THUNDERSTORMS
DEVELOPING ALONG A LINE EXTENDING FROM NEAR ASHLAND SOUTHWEST THROUGH
LINCOLN TO WEST OF BEATRICE.  THESE STORMS WERE MOVING NORTHEAST AT
35 MPH...AND WILL AFFECT PORTIONS OF THE OMAHA AND COUNCIL BLUFFS
METROPOLITAN AREAS AND AREAS SOUTH OF OMAHA BY 800 PM.

SOME OF THE THUNDERSTORMS MAY BECOME SEVERE BY MID EVENING AND BE
ACCOMPANIED BY STRONG DAMAGING WINDS...LARGE HAIL...AND POSSIBLE
TORNADOES.

ALL INTERESTS IN EASTERN NEBRASKA...ESPECIALLY IN THE OMAHA METROPOLITAN
AREA AND POINTS SOUTH SHOULD KEEP ABREAST OF THE LATEST WEATHER
INFORMATION BY LISTENING TO NOAA WEATHER RADIO OR TO LOCAL RADIO OR
TELEVISION BROADCASTS.  BE PREPARED TO SEEK SHELTER INDOORS
IMBMEDIATELY IF THREATENING WEATHER APPROACHES.

WERT
Special weather statement, Jul 24, 7:26 PM CDT, 10 minutes before
NEZ010-015-020-250215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
730 PM CDT SAT JUL 24 1993

...TORNADO WATCH FOR DODGE AND SAUNDERS COUNTY AND POINTS WEST AND SOUTH
UNTIL MIDNIGHT...

WEATHER SERVICE RADAR AT 725 PM CDT INDICATED SCATTERED THUNDERSTORMS
DEVELOPING ALONG A LINE EXTENDING FROM WESTERN SARPY COUNTY SOUTHWEST
THROUGH LINCOLN TO WEST OF BEATRICE.  THESE STORMS WERE MOVING NORTHEAST
AT 35 MPH...AND WILL AFFECT PORTIONS OF THE OMAHA AND COUNCIL BLUFFS
METROPOLITAN AREAS AND AREAS SOUTH OF OMAHA BY 800 PM.

SOME OF THE THUNDERSTORMS MAY BECOME SEVERE BY MID EVENING AND BE
ACCOMPANIED BY STRONG DAMAGING WINDS...LARGE HAIL...AND POSSIBLE
TORNADOES.

ALL INTERESTS IN EASTERN NEBRASKA...ESPECIALLY IN THE OMAHA METROPOLITAN
AREA AND POINTS SOUTH SHOULD KEEP ABREAST OF THE LATEST WEATHER
INFORMATION BY LISTENING TO NOAA WEATHER RADIO OR TO LOCAL RADIO OR
TELEVISION BROADCASTS.  BE PREPARED TO SEEK SHELTER INDXOORS
IMMEDIATELY IF THREATENING WEATHER APPROACHES.

WERT
Special weather statement, Jul 24, 7:30 PM CDT, 6 minutes before
NEZ003-004-007-008-009-250230

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE NORFOLK NE
730 PM CDT SAT JUL 24 1993

...TORNADO WATCH IN EFFECT FOR BOONE...COLFAX AND PLATTE COUNTIES
   OF NORTHEAST NEBRASKA UNTIL MIDNIGHT CDT...
...INTENSE THUNDERSTORM OVER NORTH CENTRAL NEBRASKA...

AT 725 PM CDT NORFOLK RADAR SHOWED A LARGE AREA OF SHOWERS WITH A FEW
THUNDERSTORMS COVERING MOST OF NORTH CENTRAL NEBRASKA.  ONE INTENSE
THUNDERSTORM WAS LOCATED OVER SOUTHERN ROCK COUNTY JUST TO THE NORTHEAST
OF THE TOWN OF ROSE.  THIS STORM WAS LIKELY PRODUCING VERY HEAVY RAIN...
SMALL HAIL...DANGEROUS LIGHTNING AND GUSTY WINDS.  THE ENTIRE AREA OF
RAIN WAS MOVING TO THE NORTHEAST AT 20 MPH.

IN ADDITION A TORNADO WATCH REMAINS IN EFFECT FOR MIDNIGHT FOR BOONE
PLATTE AND COLFAX COUNTIES OF NORTHEAST NEBRASKA AND POINTS SOUTH.

BAKER
Special weather statement, Jul 24, 7:30 PM CDT, 6 minutes before
NEZ010-015-020-250215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
730 PM CDT SAT JUL 24 1993

...TORNADO WATCH FOR DODGE AND SAUNDERS COUNTY AND POINTS WEST AND SOUTH
UNTIL MIDNIGHT...

WEATHER SERVICE RADAR AT 725 PM CDT INDICATED SCATTERED THUNDERSTORMS
DEVELOPING ALONG A LINE EXTENDING FROM WESTERN SARPY COUNTY SOUTHWEST
THROUGH LINCOLN TO WEST OF BEATRICE.  THESE STORMS WERE MOVING NORTHEAST
AT 35 MPH...AND WILL AFFECT PORTIONS OF THE OMAHA AND COUNCIL BLUFFS
METROPOLITAN AREAS AND AREAS SOUTH OF OMAHA BY 800 PM.

SOME OF THE THUNDERSTORMS MAY BECOME SEVERE BY MID EVENING AND BE
ACCOMPANIED BY STRONG DAMAGING WINDS...LARGE HAIL...AND POSSIBLE
TORNADOES.

ALL INTERESTS IN EASTERN NEBRASKA...ESPECIALLY IN THE OMAHA METROPOLITAN
AREA AND POINTS SOUTH SHOULD KEEP ABREAST OF THE LATEST WEATHER
INFORMATION BY LISTENING TO NOAA WEATHER RADIO OR TO LOCAL RADIO OR
TELEVISION BROADCASTS.  BE PREPARED TO SEEK SHELTER INDOORS
IMMEDIATELY IF THREATENING WEATHER APPROACHES.

WERT
Special weather statement, Jul 24, 7:32 PM CDT, 4 minutes before
NEZ003-004-007-008-009-250230

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
730 PM CDT SAT JUL 24 1993

...TORNADO WATCH IN EFFECT FOR BOONE...COLFAX AND PLATTE COUNTIES
   OF NORTHEAST NEBRASAK UNTIL MIDNIGHT CDT...
...INTENSE THUNDERSTORM OVER NORTH CENTRAL NEBRASKA...

AT 725 PM CDT NORFOLK RADAR SHOWED A LARGE AREA OF SHOWERS WITH A FEW
THUNDERSTORMS COVERING MOST OF NORTH CENTRAL NEBRASKA.  ONE INTENSE
THUNDERSTORM WAS LOCATED OVER SOUTHERN ROCK COUNTY JUST TO THE NORTHEAST
OF THE TOWN OF ROSE.  THIS STORM WAS LIKELY PRODUCING VERY HEAVY RAIN...
SMALL HAIL...DANGEROUS LIGHTNING AND GUSTY WINDS.  THE ENTIRE AREA OF
RAIN WAS MOVING TO THE NORTHEAST AT 20 MPH.

IN ADDITION A TORNADO WATCH REMAINS IN EFFECT FOR MIDNIGHT FOR BOONE
PLATTE AND COLFAX COUNTIES OF NORTHEAST NEBRASKA AND POINTS SOUTH.

BAKER
Special weather statement, Jul 24, 7:34 PM CDT, 2 minutes before
NEZ003-004-007-008-009-250230

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE NORFOLK NE
730 PM CDT SAT JUL 24 1993

...TORNADO WATCH IN EFFECT FOR BOONE...COLFAX AND PLATTE COUNTIES
   OF NORTHEAST NEBRASKA UNTIL MIDNIGHT CDT...
...INTENSE THUNDERSTORM OVER NORTH CENTRAL NEBRASKA...

AT 725 PM CDT NORFOLK RADAR SHOWED A LARGE AREA OF SHOWERS WITH A FEW
THUNDERSTORMS COVERING MOST OF NORTH CENTRAL NEBRASKA.  ONE INTENSE
THUNDERSTORM WAS LOCATED OVER SOUTHERN ROCK COUNTY JUST TO THE NORTHEAST
OF THE TOWN OF ROSE.  THIS STORM WAS LIKELY PRODUCING VERY HEAVY RAIN...
SMALL HAIL...DANGEROUS LIGHTNING AND GUSTY WINDS.  THE ENTIRE AREA OF
RAIN WAS MOVING TO THE NORTHEAST AT 20 MPH.

IN ADDITION A TORNADO WATCH REMAINS IN EFFECT FOR MIDNIGHT FOR BOONE
PLATTE AND COLFAX COUNTIES OF NORTHEAST NEBRASKA AND POINTS SOUTH.

BAKER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 7:56 PM CDTTornado WarningOAXGage34 min
Jul 24, 8:01 PM CDTSevere Thunderstorm WarningOAXDouglas29 min
Jul 24, 8:25 PM CDTFlash Flood WarningOAXSaline3 hr
Jul 24, 8:25 PM CDTSevere Thunderstorm WarningOAXSarpy35 min
Jul 24, 8:35 PM CDTTornado WarningOAXJohnson, Pawnee40 min
Jul 24, 8:40 PM CDTFlash Flood WarningOAXLancaster3 hr
Jul 24, 8:48 PM CDTFlash Flood WarningOAXCass, Douglas, Sarpy, Saunders2 hr
Jul 24, 8:54 PM CDTSevere Thunderstorm WarningOAXLancaster, Seward66 min
Jul 24, 8:56 PM CDTTornado WarningOAXOtoe34 min
Jul 24, 9:07 PM CDTSevere Thunderstorm WarningOAXButler38 min
Jul 24, 9:19 PM CDTSevere Thunderstorm WarningOAXPawnee41 min
Jul 24, 10:02 PM CDTTornado WarningOAXNemaha28 min
Jul 24, 10:14 PM CDTFlash Flood WarningOAXGage3 hr
Jul 24, 11:28 PM CDTFlash Flood WarningOAXSaline3 hr

Nearby

Tornado Warnings in Nebraska, 1993Every tornado warning in 1993Tornadoes in 1993

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.