Alert archive / Nebraska / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 21, NWS Omaha, NE

May 29, 1989Douglas County, Sarpy County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at May 29, 1989, 12:29 AM CDT for Douglas County, Sarpy County, Nebraska. It was in force for 61 min. 2 reports 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: May 29, 1989, 12:29 AM CDT (05:29 UTC)
Expired: May 29, 1989, 1:30 AM CDT
In force: 61 min
Issued by: NWS Omaha, NE
Area: Whole counties

Counties Douglas County, NE, Sarpy County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
May 29, 12:50 AM CDT	Thunderstorm Wind 0	Douglas, NE
May 29, 1:05 AM CDT	Thunderstorm Wind 0	Sarpy, 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 (KOAX), launched 00:00Z, 5.5 hours before the alert went out and 24 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3613 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 206 m²/s²
0-3 km storm-relative helicity: 259 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 KOMA 290529
SVROMA
NEC055-153-290630-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE OMAHA NE
1229 AM CDT MON MAY 29 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 130 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE EAST CENTRAL PART OF NEBRASKA
      DOUGLAS...SARPY

AT 1220 AM CDT A SEVERE THUNDERSTORM MOVED INTO WESTERN DOUGLAS AND
SARPY COUNTIES WITH A REPORT OF 70 MPH WINDS AT WATERLOO...20 MILES
WEST OF OMAHA.  THIS STORM WAS MOVING EAST AT 15 TO 20 MPH.  THESE
STORMS ALSO HAVE A HISTORY OF LARGE HAIL...SOME NEARLY TENNIS BALL
SIZE EARLIER IN SEWARD COUNTY NEAR ULYSSES...60 MILES WEST OF OMAHA.

THIS SEVERE THUNDERSTORM CAN PRODUCE HAIL GREATER THAN 3/4 INCH IN
DIAMETER AND DESTRUCTIVE WINDS.  STAY INDOORS AND AWAY FROM AREAS
WITH LOOSE ITEMS THAT COULD BECOME DANGEROUS FLYING DEBRIS.

REPORTS OF SEVERE WEATHER OR DAMAGE CAN BE GIVEN TO A LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

CLARK

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 28, 8:47 PM CDT, 3 hours 42 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
845 PM CDT SUN MAY 28 1989

TORNADO WATCH NUMBER 346 IS NO LONGER IN EFFECT WEST OF A LINE FROM
ALMA...TO JUST WEST OF KEARNEY...TO BROKEeN BOW...TO THE KEYA PAHA/BOYD
COUNTY LINE.  SEVERE WEATHER IS EXPECTED TO REMAIN EAST OF THIS AREA...
AND COULD MOVE EAST TO THE MISSOURI RIVER LATER TONIGHT.

POLLACK

Special weather statement, May 28, 10:55 PM CDT, 1 hour 34 minutes before

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
1050 PM CDT SUN MAY 29 1989

...TONADO WATCH IN EFFECT FOR A PART OF NORTHEAST NEBRASKA TIL 11 PM CDT
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MOST OF NORTHEAST NEBRASKA
   UNTIL 4 AM CDT MONDAY...

AT 1045 PM CDT NORFOLK WEATHER RADAR SHOWED AN INTENSE THUNDERSTORM OVER
SOUTHERN PLATTE COUNTY ABOUT 3 MILES SOUTHWEST OF COLUMBUS MOVING TO
EAST AT 10 TO 15 MPH.  THIS THUNDERSTORM WAS PRODUCING PEA TO MARBLE
SIZE HAIL...BRIEF HEAVY RAIN AND VERY DANGEROUS LIGHTNING.  THE STORM
WILL MOVE ACROSS SOUTHERN COLFAX COUNTY BY 1130 PM CDT OR WILL BE ABOUT
15 MILES EAST OF COLUMBUS.  IF YOU ARE IN THE PATH OF THIS STROM BE
ALERT FOR THE POSSIBLITY OF SEVERE WEATHER AS THE STORM PASSES.

INTENSE THUNDERSTORMS CONTINUED OVER NORTHEAST NEBRASKA BETWEEN NORFOLK
AND SIOUX CITY IA.  GOLFBALL SIZE HAIL WAS REPORTED AT PENDER ABOUT 30
MILES NORTHEAST OF NORFOLK IN SOUTHERN THURSTON COUNTY.  THE STRONGEST
THUNDERSTORMS WERE LOCATED FROM 15 MILES SOUTHWEST OF SIOUX CITY TO 20
MILES SOUTH OF SIOUX CITY AND MOVING TO THE NORTHEAST AT 20 MPH.
PERSONS IN THURSTON AND DAKOTA COUNTY SHOULD BE ALERT FOR THE POSSIBLITY
OF SEVERE WEATHER AS THE STORMS MOVE TOWARD SIOUX CITY.
DIRCKSEN 0354Z

Special weather statement, May 28, 10:58 PM CDT, 1 hour 31 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
1055 PM CDT SUN MAY 28 1989

...EXTENSION OF PARTS OF TORNADO WATCH 346...

TORNADO WATCH NUMBER 346 HAS BEEN EXTENDED UNTIL 100 AM CDT FOR THE
FOLLOWING COUNTIES IN EAST CENTRAL NEBRASKA...PLATTE...POLK...AND YORK.
THIS INCLUDES THE TOWNS OF COLUMBUS...OSCEOLA...AND YORK.  SEVERE
WEATHER CONTINUES TO MOVE VERY SLOWLY EAST THROUGH THIS AREA.  SEVERE
THUNDERSTORMS AND TORNADO DEVELOPMENT IS POSSIBLE IN THESE COUNTIES
UNTIL 100 AM.

THE REMAINDER OF THE TORNADO WATCH WILL EXPIRE AT 1100 PM.

POLLACK

Special weather statement, May 28, 11:14 PM CDT, 1 hour 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
1110 PM CDT SUN MAY 28 1989

      ...THUNDERSTORMS IN SHELBY COUNTY IOWA...

STRONG THUNDERSTORMS HAVE DEVELOPED IN SHELBY COUNTY OF WEST CENTRAL
IOWA...BETWEEN HARLAN AND DUNLAP ABOUT 40 MILES NORTHEAST OF OMAHA.
THESE STORMS WERE PART OF A LINE DEVELOPING SOUTHEAST FROM SEVERE
STORMS IN NORTHWEST IOWA.

RESIDENTS OF SHELBY COUNTY SHOULD BE ALERT FOR HEAVY RAINS..SMALL HAIL
AND DA6NGEROUS LIGHTENING FROM THESE INTENSE THUNDERSTORMS.

GAVERS

Local storm report, May 29, 12:29 AM CDT, 0 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN NE
1225 AM CDT MON MAY 29 1989

1225 TENNIS BALL SIZE HAIL IN ULYSSES, NE. ULYSSES IS LOCATED 28 MILES
NORTHWEST OF LINCOLN. REPORT FROM BUTLER COUNTY SHERRIFS OFFICE.
KENNEL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 11:36 PM CDT	Severe Thunderstorm Warning	OAX	Seward	39 min
May 29, 12:02 AM CDT	Severe Thunderstorm Warning	OAX	Saunders	58 min
May 29, 12:23 AM CDT	Severe Thunderstorm Warning	OAX	Butler, Seward	37 min
May 29, 12:40 AM CDT	Severe Thunderstorm Warning	OAX	Lancaster	40 min
May 29, 1:13 AM CDT	Severe Thunderstorm Warning	OAX	Cass	62 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1989 Every severe thunderstorm warning in 1989

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.