Alert archive / Nebraska / Tornado Warnings in 1992

Tornado Warning 31, NWS Omaha, NE

July 24, 1992Johnson County, Nebraska

NWS Omaha, NE issued this tornado warning at Jul 24, 1992, 3:31 PM CDT for Johnson County, Nebraska. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Jul 24, 1992, 3:31 PM CDT (20:31 UTC)
Expired
Jul 24, 1992, 4:00 PM CDT
In force
29 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Johnson County, NE

The nearest sounding before it

Omaha, NE (KOVN), launched 12:00Z, 8.5 hours before the alert went out and 103 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 12:00Z on 1992-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1992-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
189 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 11:36 AM CDT, 3 hours 55 minutes before
NEZ004-009-241700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
1135 AM CDT FRI JUL 24 1992

...THUNDERSTORMS ARE MOVING ACROSS SOUTHERN COLFAX COUNTY LATE THIS
   MORNING...

AT 1130 AM CDT RADAR INDICATED AN INTENSE THUNDERSTORM ABOUT 10 MILES
EAST OF COLUMBUS...OR NEAR SCHUYLER.

THIS STORM IS MOVING EAST TO NORTHEAST AT 30 MILES AN HOUR AND WILL
LIKELY PRODUCE SOME DEADLY LIGHTNING...BRIEF HEAVY RAIN AND MAYBE EVEN
SOME SMA`LL HAIL.

IT WILL CONTINUE TO MOVE ACROSS SOUTHERN AND EASTERN COLFAX COUNTY
THROUGH NOON.

TDK
Special weather statement, Jul 24, 1:47 PM CDT, 1 hour 44 minutes before
NEZ015-019-241945-

SPECIAL WEATHER STATEMENT FOR SOUTHEAST NEBRASKA
NATIONAL WEATHER SERVICE LINCOLN NE
145 PM CDT FRI JUL 24 1992

...A THUNDERSTORM MOVING OVER THE CITY OF LINCOLN AND INTO
     SOUTHERN LANCASTER COUNTY...

AT 145 PM CDT RADAR INDICATED A THUNDERSTORM FROM SOUTHERN SALINE
COUNTY NEAR WESTERN NORTHEAST INTO LANCASTER COUNTY OVER THE CITY
OF LINCOLN. THIS  THUNDERSTORM IS MOVING TO THE EAST-NORTHEAST AT
25 MPH.

DANGEROUS LIGHTNING AND BRIEF HEAVY RAIN IS ASSOCIATED WITH THIS
THUNDERSTORM.  PEOPLE IN THE PATH OF THIS STORM SHOULD SEEK SHELTER
IMMEDIATELY.

SCHLACHTER
Special weather statement, Jul 24, 2:21 PM CDT, 1 hour 10 minutes before
NEZ015-019-242045-

SPECIAL WEATHER STATEMENT FOR SOUTHEAST NEBRASKA
NATIONAL WEATHER SERVICE LINCOLN NE
220 PM CDT FRI JUL 24 1992

...THUNDERSTORM MOVING THROUGH THE CITY OF LINCOLN SOUTHERN
         LANCASTER COUNTY...

AT 220 PM CDT RADAR INDICATED A THUNDERSTORM FROM CENTRAL SALINE
COUNTY NORTH OF WESTERN WHICH IS 40 MILES SOUTHWEST OF LINCOLN
NORTHEAST INTO CASS COUNTY NEAR THE TOWN OF GREENWOOD WHICH IS
15 MILES NORTHEAST OF LINCOLN.  THESET THUNDERSTORMS WERE MOVING
TO THE EAST NORTHEAST AT 25 MPH.

DANGEROUS LIGHTNING AND BRIEF HEAVY RAIN IS ASSOCIATED WITH THIS
THUNDERSTORM.  PEOPLE IN THE PATH OF THIS STORM SHOULD SEEK SHELTER
IMMEDIATELY.

SCHLACHTER
Special weather statement, Jul 24, 3:14 PM CDT, 17 minutes before
NEZ015-019-242145-

SPECIAL WEATHER STATEMENT FOR SOUTHEAST NEBRASKA
NATIONAL WEATHER SERVICE LINCOLN NE
315 PM CDT FRI JUL 24 1992

...THUNDERSTORMS IN SOUTHERN LANCASTER COUNTY...NORTHERN GAGE...
   EASTERN FILLMORE AND CENTRAL SEWARD COUNTIES...

AT 310 PM CDT RADAR INDICATED A THUNDERSTORMS FROM EASTERN FILLMORE
COUNTY EAST INTO CENTRAL SALINE THROUGH SOUTHERN LANCASTER COUNTY
AND INTO OTOE AND CASS COUNTIES.  THIS LINE OF THUNDERSTORMS ARE
MOjVING TO THE EAST-NORTHEAST AT 25 MPH.

DANGEROUS LIGHTNING AND BRIEF HEAVY RAIN IS ASSOCIATED WITH THIS
THUNDERSTORM.  PEOPLE IN THE PATH OF THIS STORM SHOULD SEEK SHELTER
IMMEDIATELY.

SCHLACHTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 1:08 PM CDTSevere Thunderstorm WarningOAXDodge47 min
Jul 24, 1:08 PM CDTSevere Thunderstorm WarningOAXDouglas, Washington67 min
Jul 24, 1:20 PM CDTSevere Thunderstorm WarningOAXCass, Saunders35 min
Jul 24, 1:20 PM CDTSevere Thunderstorm WarningOAXSarpy55 min
Jul 24, 1:42 PM CDTTornado WarningOAXDouglas, Washington33 min
Jul 24, 2:53 PM CDTSevere Thunderstorm WarningOAXCass, Otoe67 min
Jul 24, 3:48 PM CDTFlash Flood WarningOAXOtoe4 hr
Jul 24, 4:00 PM CDTSevere Thunderstorm WarningOAXLancaster60 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.