Alert archive / Nebraska / Flash Flood Warnings in 1990

Flash Flood Warning 4, NWS Omaha, NE

June 15, 1990Gage County, Jefferson County, Saline County, Nebraska

NWS Omaha, NE issued this flash flood warning at Jun 15, 1990, 5:31 AM CDT for Gage County, Jefferson County, Saline County, Nebraska. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 15, 1990, 5:31 AM CDT (10:31 UTC)
Expired
Jun 15, 1990, 8:30 AM CDT
In force
3 hr
Issued by
NWS Omaha, NE
Area
Whole counties

Counties Gage County, NE, Jefferson County, NE, Saline County, NE

The radar

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

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 10.5 hours before the alert went out and 123 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 1990-06-15Temperature 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 1990-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
3606 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
209 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 151031
FFWLNK
NEC151-095-067-151330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE LINCOLN NE
531 AM CDT FRI JUN 15 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 830 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHEAST PART OF NEBRASKA
      SALINE...JEFFERSON...GAGE...CITY OF BEATRICE...CITY OF 
      FAIRBURY

AT 0530AM CDT RADAR SHOWED A LARGE AREA OF SHOWERS AND
THUNDERSTORMS OVER SOUTHEAST NEBRASKA. THESE THUNDERSTORMS ARE
PRODUCING VERY HEAVY RAIN WHICH WILL PRODUCE FLASH FLOODING.

A FLASH FLOOD WARNING MEANS FLOODING IS OCCURRING OR IS IMMINENT.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
TO ESCAPE RISING WATER MOVE TO HIGHER GROUND.

 LB

What forecasters said that day

The local office's own words before this flash flood 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, Jun 15, 12:25 AM CDT, 5 hours 6 minutes before
NEZ005-011-016-150900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
1220 AM CDT FRI JUN 15 1990

...TORNADO WATCH NO LONGER IN EFFECT FOR NEBRASKA PANHANDLE...

TORNADO WATCH NUMBER 465 HAS BEEN CANCELLED FOR THE CENTRAL AND
SOUTHERN NEBRASKA PANHANDLE.  IT REMAINS IN EFFECT FOR FOUR COUNTIES
IN SOUTHWEST NEBRASKA ... CHASE..DUNDY..HAYES..AND HITCHCOCK ...
UNTIL IT EXPIRES AT MIDNIGHT MDT...1 AM CDT.

STRONG THUNDERSTORMS IN NORTHEAST COLORADO STILL POSE SOME THREAT
AS THEY MOVE TOWARD SOUTHWEST NEBRASKA.

COSTANTINOU
Special weather statement, Jun 15, 1:57 AM CDT, 3 hours 34 minutes before
NEZ006-012-013-017-150900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
145 AM CDT FRI JUN 15 1990

...PART OF SEVERE THUNDERSTORM WATCH CANCELLED FOR SOUTHWEST NEBRASKA...

SEVERE THUNDERSTORM WATCH NUMBER 466 HAS BEEN CANCELLED FOR THE AREA
ROUGHLY WEST OF A BROKEN BOW TO KEARNEY LINE.  IT CONTINUES IN EFFECT
HOWEVER...DUE TO EXPIRE AT 3 AM CDT... EAST OF THAT LINE.

THE FOLLOWING COUNTIES ARE NO LONGER IN THE WATCH...

ZONE 6...NORTH CENTRAL
HOOKER...LOGAN...MC PHERSON...THOMAS.

ZONE 12...SOUTHWEST

KEITH...LINCOLN...PERKINS.

ZONE 13...CENTRAL
DAWSON.

ZONE 17...SOUTHWEST
FRONTIER...FURNAS...GOSPER...HARLAN...PHELPS...RED WILLOW.

COUNTIES ORIGINALLY IN THE WATCH AND NOT LISTED ABOVE REMAIN
IN THE WATCH UNTIL IT EXPIRES.

ALTHOUGH A FEW SHOWERS OR THUNDERSHOWERS CONTINUE SCATTERED
OVER WESTERN AND SOUTHWEST NEBRASKA...SEVERE WEATHER NO LONGER
APPEARS TO BE A THREAT IN THAT PART OF THE STATE.

COSTANTINOU
Special weather statement, Jun 15, 3:22 AM CDT, 2 hours 9 minutes before
NEZALL-150900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
300 AM CDT FRI JUN 15 1990

...NO MORE SEVERE WEATHER WATCHES IN NEBRASKA...JUST FLASH FLOOD
   WATCHES AND WARNINGS...

THE SEVERE THUNDERSTORM WATCH ISSUED EARLIER TONIGHT FOR MUCH OF
CENTRAL AND EASTERN NEBRASKA EXPIRED AT 3 AM CDT.  SEVERE WEATHER IS
NO LONGER MUCH OF A THREAT...BUT STRONG THUNDERSTORMS WITH HEAVY RAINS
CONTINUE OVER MOST OF THE EASTERN HALF OF NEBRASKA AT 3 AM CDT.

A FLASH FLOOD WATCH CONTINUES FOR EASTERN NEBRASKA FOR THE REST OF
TONIGHT.  FLASH FLOODING HAS BEEN OCCURRING ALREADY IN PARTS OF
NORTHEAST NEBRASKA.  THUNDERSTORM DEVELOPMENT OVER CENTRAL AND
SOUTHEAST NEBRASKA MAKES FLASH FLOODIENG THERE POSSIBLE AS WELL
BEFORE THE NIGHT IS OVER.

PEOPLE IN EASTERN NEBRASKA SHOULD STAY TUNED TO RADIO...TV...OR
NOAA WEATHER RADIO FOR UPDATES ON THIS FLOODING SITUATION.

COSTANTINOU

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 8:12 PM CDTSevere Thunderstorm WarningOAXGage, Jefferson, Saline63 min
Jun 14, 10:57 PM CDTSevere Thunderstorm WarningOAXDodge, Saunders48 min
Jun 14, 11:01 PM CDTSevere Thunderstorm WarningOAXButler29 min
Jun 14, 11:02 PM CDTSevere Thunderstorm WarningOAXButler28 min
Jun 15, 12:07 AM CDTFlash Flood WarningOAXDodge4 hr
Jun 15, 12:57 AM CDTFlash Flood WarningOAXBurt4 hr
Jun 15, 1:35 AM CDTFlash Flood WarningOAXWashington4 hr

Nearby

Flash Flood Warnings in Nebraska, 1990Every flash flood warning in 1990

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.