Alert archive / Nebraska / Flash Flood Warnings in 1990

Flash Flood Warning 1, NWS Hastings, NE

June 15, 19904 counties in Nebraska

NWS Hastings, NE issued this flash flood warning at Jun 15, 1990, 3:43 AM CDT for 4 counties in Nebraska. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jun 15, 1990, 3:43 AM CDT (08:43 UTC)
Expired
Jun 15, 1990, 6:00 AM CDT
In force
2 hr
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Hall County, NE, Hamilton County, NE, Howard County, NE, Merrick 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, 8.7 hours before the alert went out and 162 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 KGRI 150843
FFWGRI
NEC079-081-093-121-151100-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 600 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTH CENTRAL PART OF NEBRASKA
      NORTHERN HALL...NORTHERN HAMILTON...

   IN THE CENTRAL PART OF NEBRASKA
      HOWARD...MERRICK...

AT 335 AM CDT...VERY HEAVY RAINS WERE OCCURRING FROM 25 MILES WEST-
NORTHWEST OF GRAND ISLAND...THROUGH GRAND ISLAND...TO NEAR AURORA
IN A 30 MILE WIDE AREA.  THE AREA OF THUNDERSTORMS WAS SHOWING LITTLE
MOVEMENT...AND VERY HEAVY RAINFALL TOTALS WERE ACCUMULATING.  OVER
2 1/4 INCHES OF RAIN FELL AT THE WEATHER SERVICE OFFICE AT THE
CENTRAL NEBRASKA REGIONAL AIRPORT IN JUST 45 MINUTES.  ALL OF THE
UNDERPASSES IN GRAND ISLAND HAVE BEEN CLOSED BY THE FLOODWATERS.

PEOPLE IN THE WARNED AREA...ESPECIALLY CAMPERS...SHOULD SEEK HIGHER
GROUND WITHOUT DELAY.  MOTORISTS SHOULD USE CAUTION IN APPROACHING
LOW AREAS OF ROADS.

DO NOT ATTEMPT TO DRIVE OVER A ROAD COVERED BY WATER.  THE ROAD
COULD BE WASHED OUT UNDER THE WATER OR YcOUR CAR COULD BE SWEEP
AWAY IF THE WATER IS FLOWING SWIFTLY.

PERSONS NEAR STREAMS OR LOW LYING AREAS SHOULD NOT WASTE TIME TRYING
TO SAVE PERSONAL PROPERTY...MOVE TO HIGHER GROUND IMMEDIATELY.

 JMK/JBS

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 14, 9:47 PM CDT, 5 hours 56 minutes before
NEZ008-013>015-017>019-150345-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
945 PM CDT THU JUN 14 1990

...FLASH FLOOD WATCH FOR PARTS OF SOUTHEAST NEBRASKA TONIGHT...
...SEVERE THUNDERSTORM WATCH FOR MUCH OF CENTRAL AND EASTERN NEBRASKA
UNTIL 3AM CDT...

THUNDERSTORMS WITH VERY HEAVY RAIN...GUSTY WINDS AND POSSIBLE SMALL HAIL
WERE MOVING THROUGH SOUTH CENTRAL NEBRASKA.

AT 930 PM CDT RADAR INDICATED THE HEAVIEST THUNDERSTORMS WERE LOCATED
30 MILES SOUTHWEST OF HASTINGS AND NORTHWEST OF GRAND ISLAND NEAR
GREELEY.  OTHER THUNDERSHOWERS AND LIGHT RAINSHOWERS WERE IN A 40 MILE
WIDE AREA FROM 20 MILES EAST OF BROKEN BOW TO 25 MILES WEST OF LINCOLN.

OTHER THUNDERSTORMS...LIKELY PRODUCING VERY HEAVY RAIN AND HAIL WERE
LOCATED 15 MILES WEST AND SOUTHWEST OF NORFOLK AND 15 MILES WEST OF
SIOUX CITY.

THESE STORMS WERE MOVING EAST AT 20 TO 30 MPH.
MLG
Special weather statement, Jun 14, 10:46 PM CDT, 4 hours 57 minutes before
NEZ008-013>015-017>019-150435-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
1045 PM CDT THU JUN 14 1990

...FLASH FLOOD WATCH FOR PARTS OF SOUTHEAST NEBRASKA TONIGHT...
...SEVERE THUNDERSTORM WATCH FOR MUCH OF CENTRAL AND EASTERN NEBRASKA
UNTIL 3AM CDT...

COLUMBUS NEBRASKA...55 MILES NORTHEAST OF GRAND ISLAND...REPORTED
PEA SIZE HAIL EAST OF THAT CITY AND WATER OVER HIWAY 81 IN THE VICINITY
OF COLUMBUS AT 1035 PM.

AT 1025 PM THE RADAR AT GRAND ISLAND SHOWED THE MOST INTENSE THUNDER-
STORM JUST EAST OF COLUMBUS...MOVING TO THE EAST AT 30 MPH...TOWARD
SCHUYLER AND NORTH BEND.

OTHERWISE SHOWERS AND THUNDERSTORMS WERE OVER NORTHEAST NEBRASKA...
MOSTLY FROM MIDWAY OF AINSWORTH AND O NEILL TO BETWEEN NORFOLK AND
COLUMBUS TO SIOUX CITY.  LOCALLY HEAVY RAIN WAS FALLING FROM AROUND
ALBION TO COLUMBUS.

SHOWERS AND THUNDERSTORMS WERE WIDELY SCATTERED AROUND OMAHA IN
EASTERN NEBRASKA SOUTH INTO NORTHEST KANSAS.  A FEW THUNDERSTORMS
WERE NORTH OF SALINA KANSAS...AND IN SOUTHERN NEBRASKA NORTH OF
SUPERIOR.  MOVEMENT WAS TO THE EAST 35 MPH.
DGS
Special weather statement, Jun 14, 11:48 PM CDT, 3 hours 55 minutes before
NEZ008-013>015-017>019-150545-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
1145 PM CDT THU JUN 14 1990

...FLASH FLOOD WATCH FOR THE EASTERN 1/3RD OF NEBRASKA TONIGHT...
...SEVERE THUNDERSTORM WATCH FOR MUCH OF CENTRAL AND EASTERN NEBRASKA
UNTIL 3AM CDT...

THUNDERSTORMS...SOME WITH DOWNPOURS OF RAIN...CONTINUE OVER NORTHEAST
INTO EAST CENTRAL NEBRASKA.  STRONG GUSTY WIND AND HAIL IS ALSO
POSSIBLE IN THESE STORMS.

AT 1130 PM RAIN AND THUNDERSTORMS WERE OVER MUCH OF THE AREA FROM
O NEILL TO COLUMBUS TO MIDWAY OF SIOUX CITY AND OMAHA.  THESE STORMS
WERE MOVING TO THE EAST SOUTHEAST AT 30 MPH.  THE MOST INTENSE STORMS
WERE CLUSTERED AROUND COLUMBUS A]ND SOUTH TO SOUTHEAST OF O NEILL.

IN KANSAS ISOLATED STRONG THUNDERSTORMS WERE FORMING TO THE WEST AND
SOUTHWEST OF CONCORDIA...AND NORTHWEST OF SALINA.  MOVEMENT WAS TO
THE EAST AT 35 MPH.
DGS
Special weather statement, Jun 15, 12:45 AM CDT, 2 hours 58 minutes before
NEZ008-013>015-017>019-150645-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
1245 AM CDT FRI JUN 15 1990

...FLASH FLOOD WATCH FOR THE EASTERN 1/3RD OF NEBRASKA TONIGHT...
...SEVERE THUNDERSTORM WATCH FOR MUCH OF CENTRAL AND EASTERN NEBRASKA
UNTIL 3AM CDT...

THUNDERSTORMS...SOME WITH VERY HEAVY RAIN AND STRONG GUSTY WINDS...WERE
IN CENTRAL AND EASTERN NEBRASKA EARLY THIS MORNING.

AT 1230 AM CDT...RADAR SHOWED SHOWERS AND THUNDERSTORMS SCATTERED TO THE
NORTH OF A LINE FROM 40 MILES NORTHWEST OF GRAND ISLAND...TO 25 MILES
NORTHEAST OF GRAND ISLAND...TO 50 MILES EAST OF OMAHA.  THE STRONGEST
STORMS IN THIS AREA WERE 25 MILES NORTH-NORTHEAST AND 30 MILES NORTH-
NORTHWEST OF GRAND ISLAND...AS WELL AS 35 MILES WEST OF NORFOLK AND 10
MILES EAST OF COLUMBUS. THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR.

SULLIVAN
Special weather statement, Jun 15, 1:47 AM CDT, 1 hour 56 minutes before
NEZ008-013>015-017>019-150745-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
145 AM CDT FRI JUN 15 1990

...FLASH FLOOD WATCH FOR THE EASTERN 1/3RD OF NEBRASKA TONIGHT...
...SEVERE THUNDERSTORM WATCH FOR MUCH OF CENTRAL AND EASTERN NEBRASKA
UNTIL 3AM CDT...

THUNDERSTORMS...SOME WITH VERY HEAVY RAIN AND STRONG GUSTY WINDS...
CONTINUED ACROSS CENTRAL AND EASTERN NEBRASKA EARLY THIS MORNING.

AT 130 AM CDT...RADAR SHOWED SHOWERS AND THUNDERSTORMS SCATTERED TO THE
NORTH OF A LINE FROM NEAR KEARNEY TO NEAR LINCOLN...TO 45 MILES NORTHEAST
OF OMAHA.  THE THUNDERSTORMS WERE SITUATED IN TWO 15 MILE-WIDE LINES
EXTENDING FROM NEAR AINSWORTH TO 20 MILES NORTHWEST OF OMAHA...AND FROM
15 MILES NORTH OF BROKEN BOW TO NEAR COLUMBUS.  A FEW OTHER STORMS WERE
FROM JUST NORTHWEST OF KEARNEY TO 20 MILES WEST OF GRAND ISALND.

ALL OF THE STORMS WERE MOVING EAST AT 35 MILES AN HOUR.
.
IF THREATENING WEATHER APPROACHES YOU...TAKE SHELTER INSIDE A STURDY
BUILDING AWAY FROM ALL WINDOWS.

SULLIVAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 9:59 PM CDTSevere Thunderstorm WarningGIDPolk21 min
Jun 15, 2:04 AM CDTSevere Thunderstorm WarningGIDHall, Howard41 min

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.