Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 13, NWS Omaha, NE

May 5, 1994Lancaster County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at May 5, 1994, 9:32 PM CDT for Lancaster County, Nebraska. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
May 5, 1994, 9:32 PM CDT (02:32 UTC)
Expired
May 5, 1994, 10:00 PM CDT
In force
28 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Lancaster County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.5 hours before the alert went out and 65 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 1994-05-06Temperature 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 00:00Z on 1994-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2291 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLNK 060234 RRA
SVRLNK
NEC109-060300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN NE
932 PM CDT THU MAY 5 1994
 
THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL NEBRASKA
 
   ...SOUTHWESTERN LANCASTER COUNTY
 
 
A SEVERE THUNDERSTORM WAS REPORTED AT 930 PM THIS EVENING IN SOUTHWEST
LANCASTER COUNTY...ABOUT 15 MILES SOUTHWEST OF LINCOLN.  MARBLE TO GALF
BALL SIZE HAIL WAS REPORTED NEAR KRAMER WHERE A SEVERE THUNDERSTORM
WAS MOVING SOUTHEAST AT 25 MPH.  THIS THUNDERSTORM WILL LIKELY BRING
LARGE DAMAGING HAIL ACROSS ESTREEM SOUTHEAST LANCASTER COUNTY UNTIL
1000 PM TONIGHT.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGI>NG WEATHER CONDITIONS.
 
MEIER
 
 
&

What forecasters said that day

The local office's own words before this severe thunderstorm 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, May 5, 6:17 PM CDT, 3 hours 15 minutes before
NEZ011-012-016>018-030>033-042-043-060120-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
617 PM CDT THU MAY 5 1994

...TORNADO WATCH IN EFFECT FOR PLATTE COUNTY UNTIL MIDNIGHT...

AT 615 PM RADAR INDICATED THUNDERSTORMS DEVELOPING FROM ABOUT 10 MILES
SOUTHWEST OF NORFOLK TO 30 MILES WEST OF COLUMBUS.  THE STORMS WEST OF
COLUMBUS WERE INTENSIFYING THE QUICKEST AND COULD BECOME RATHER STRONG
BEFORE 645 PM.

MOVEMENT OF THE STORMS IS EAST AT 25 MILES AN HOUR SO PERSONS IN PLATTE
COUNTY SHOULD BE PREPARED TO TAKE COVER IMMEDIATELY IF A SEVERE WEATHER
WARNING IS ISSUED.

THE STORM WEST OF COLUMBUS IS EXPECTED TO MOVE ACROSS EXTREME SOUTHERN
PLATTE AND NORTHERN POLK COUNTY THROUGH 7PM CDT.

TDK
Special weather statement, May 5, 6:17 PM CDT, 3 hours 15 minutes before
NEZ011-012-016>018-030>033-042-043-060120-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
617 PM CDT THU MAY 5 1994

...TORNADO WATCH IN EFFECT FOR PLATTE COUNTY UNTIL MIDNIGHT...

AT 615 PM RADAR INDICATED THUNDERSTORMS DEVELOPING FROM ABOUT 10 MILES
SOUTHWEST OF NORFOLK TO 30 MILES WEST OF COLUMBUS.  THE STORMS WEST OF
COLUMBUS WERE INTENSIFYING THE QUICKEST AND COULD BECOME RATHER STRONG
BEFORE 645 PM.

MOVEMENT OF THE STORMS IS EAST AT 25 MILES AN HOUR SO PERSONS IN PLATTE
COUNTY SHOULD BE PREPARED TO TAKE COVER IMMEDIATELY IF A SEVERE WEATHER
WARNING IS ISSUED.

THE STORM WEST OF COLUMBUS IS EXPECTED TO MOVE ACROSS EXTREME SOUTHERN
PLATTE AND NORTHERN POLK COUNTY THROUGH 7PM CDT.

TDK
Special weather statement, May 5, 6:28 PM CDT, 3 hours 4 minutes before
NEZ011-012-016>018-030>033-042-043-060120-

SPECIAL WEATHER STATEMENT      CORRECTED STORM PLACEMENT...
NATIONAL WEATHER SERVICE NORFOLK NE
617 PM CDT THU MAY 5 1994

...TORNADO WATCH IN EFFECT FOR PLATTE COUNTY UNTIL MIDNIGHT...

AT 615 PM RADAR INDICATED THUNDERSTORMS DEVELOPING ABOUT 15 MILES
SOUTHWEST OF NORFOLK.  THIS STORM WAS INTENSIFYING AND COULD
BECOME RATHER STRONG BEFORE 645 PM CDT.

MOVEMENT OF THE STORMS IS EAST AT 25 MILES AN HOUR SO PERSONS IN SOUTHERN
MADISON...NOTHERN PLATTE AND SOUTHERN STANTON COUNTIES SHOULD TAKE COVER
IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED.

TDK

....CORRECTED....
Special weather statement, May 5, 7:05 PM CDT, 2 hours 27 minutes before
NEZ011-012-016>018-030>033-042-043-060220-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
705 PM CDT THU MAY 5 1994

...TORNADO WATCH IN EFFECT FOR PLATTE COUNTY UNTIL MIDNIGHT...

AT 700 PM NORFOLK RADAR INDICATES THAT SCATTERED SHOWERS AND THUNDERSTORMS
CONTINUE TO DEVELOP MAINLY FROM NORTHEAST THROUGH SOUTHEAST OF NORFOLK.  SO FAR
NONE OF THE STORMS HAVE BECOME VERY STRONG.  THE SEVERE THUNDERSTORM DEVELOPMENTHAS BEEN OCCURRING TO THE NORTHEAST OF GRAND ISLAND.

A FEW STRONG THUNDERSTORMS ARE STILL POSSIBLE IN PARTS OF PLATTE AND COLFAX
COUNTIES BUT THE STRONGEST STORMS ARE EXPECTED TO REMAIN SOUTH OF THE
PLATTE RIVER.  MOST OF THE STORMS ARE MOVING EAST SOUTHEAST AT 30 MPH.

IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED YOU SHOULD TAKE
COVER IMMEDIATELY.

TDK
Special weather statement, May 5, 7:09 PM CDT, 2 hours 23 minutes before
NEZ011-012-016>018-030>033-042-043-060220-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
705 PM CDT THU MAY 5 1994

...TORNADO WATCH IN EFFECT FOR PLATTE COUNTY UNTIL MIDNIGHT...

AT 700 PM NORFOLK RADAR INDICATES THAT SCATTERED SHOWERS AND THUNDERSTORMS
CONTINUE TO DEVELOP MAINLY FROM NORTHEAST THROUGH SOUTHEAST OF NORFOLK.  SO FAR
NONE OF THE STORMS HAVE BECOME VERY STRONG.  THE SEVERE THUNDERSTORM DEVELOPMENTHAS BEEN OCCURRING TO THE NORTHEAST OF GRAND ISLAND.

A FEW STRONG THUNDERSTORMS ARE STILL POSSIBLE IN PARTS OF PLATTE AND COLFAX
COUNTIES BUT THE STRONGEST STORMS ARE EXPECTED TO REMAIN SOUTH OF THE
PLATTE RIVER.  MOST OF THE STORMS ARE MOVING EAST SOUTHEAST AT 30 MPHN.

IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED YOU SHOULD TAKE
COVER IMMEDIATELY.

TDK
Special weather statement, May 5, 8:35 PM CDT, 57 minutes before
NEZ0034-044-045-051>053-067-068-091-093-
IAZ0055-056-069-079-080-090-091-060330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
835 PM CDT THU MAY 6 1994

...STRONG THUNDERSTORMS MOVING INTO SOUTHEAST NEBRASKA...

A BAND OF STRONG THUNDERSTORMS EXTENDING FROM 10 MILES WEST OF OMAHA
TO 50 MILES SOUTHWEST OF OMAHA WILL CONTINUE TO MOVE SOUTHEAST AT
30 MPH.  THESE STORMS WILL BE MOVING ACROSS SARPY...CASS...AND OTOE
COUNTIES DURI4NG THE NEXT HOUR.  IF YOU LIVE IN THESE COUNTIES...BE
ALERT FOR THE DEVELOPMENT OF SEVERE WEATHER.  BE READY TO TAKE
SHELTER QUICKLY IF A WARNING IS ISSUED.

MILLER

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 8:15 PM CDTSevere Thunderstorm WarningOAXSeward45 min
May 5, 9:05 PM CDTSevere Thunderstorm WarningOAXSaline55 min
May 5, 10:02 PM CDTSevere Thunderstorm WarningOAXJefferson28 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1994Every severe thunderstorm warning in 1994

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.