Alert archive / Nebraska / Flash Flood Warnings in 1990

Flash Flood Warning 7, NWS Hastings, NE

July 19, 1990Clay County, Fillmore County, Nebraska

NWS Hastings, NE issued this flash flood warning at Jul 19, 1990, 5:36 PM CDT for Clay County, Fillmore County, Nebraska. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 19, 1990, 5:36 PM CDT (22:36 UTC)
Expired
Jul 19, 1990, 8:30 PM CDT
In force
3 hr
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Clay County, NE, Fillmore 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 12:00Z, 10.6 hours before the alert went out and 151 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 1990-07-19Temperature 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 1990-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.1939Sfc1 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
3629 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
82 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 192236
FFWGRI
NEC035-059-200130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE GRAND ISLAND NE
536 PM CDT THU JUL 19 1990

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

   IN THE SOUTH CENTRAL PART OF NEBRASKA
      NORTHERN CLAY...NORTHWEST FILLMORE

AT 515 PM CDT...REPORTS OF FLASH FLOODING CONTINUED FROM NORTHEAST
CLAY AND NORTHWEST FILLMORE COUNTIES.  HIGHWAY 6 WAS UNDER WATER NEAR
GRAFTON...ABOUT 35 MILES SOUTHEAST OF GRAND ISLAND.  OTHER ROADS IN
THE GRAFTON AREA HAVE BEEN CLOSED BY HIGH WATER AS WELL.  SCHOOL
CREEK WAS FLOODING NEAR SUTTON...25 MILES EAST OF HASTINGS...WHERE 5
TO 7 INCHES OF RAIN HAS FALLEN.  HARVARD...ABOUT 15 MILES EAST OF
HASTINGS...HAS ALSO REPORTED FLOODING.  THOUGH MOST OF THE RAIN IS
OVER...FLOOD WATERS WILL CONTINUE TO RISE FOR THE NEXT SEVERAL HOURS.

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 YOUR CAR COULD BE SWEEP
AWAY IF THE WATER IS FLOWING SWIFTLY.

 MLG/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, Jul 19, 1:52 PM CDT, 3 hours 44 minutes before
NEZ008-013>015-017>019-191945-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
145 PM CDT THU JUL 19 1990

...THUNDERSTORMS DEVELOPING RAPIDLY IN NORTHWEST KANSAS...

AT 132 PM THUNDERSTORMS HAD FORMED IN NORTHWEST KANSAS...WEST TO
NORTH OF HILL CITY TO THE KANSAS BORDER SOUTH OF LEXINGTON.  VERY
HEAVY RAIN WAS INDICATED IN THESE STORMS.

IN SOUTH CENTRAL NEBRASKA LOCALIZED STREET FLOODING WAS REPORTED
AT SUTTON IN NORTHEAST CLAY COUNTY.  HEAVY RAIN HAS OCCURRED AT
SUTTON SINCE 1130 THIS MORNING.  THUNDERSTORMS HAVE BEEN FORMING AND
MOVING OFF TO THE EAST OVER NORTHERN CLAY INTO NORTHERN FILLMORE
COUNTIES FOR THE PAST SEVERAL HOURS AND WILL RESULT IN LOCALIZED
URBAN AND SMALL STREAM FLOODING IN THOSE AREAS THIS AFTERNOON.

OTHERWISE SHOWERS AND THUNDERSTORMS WERE OVER MUCH OF CENTRAL
NEBRASKA AND SCSTTERED OVER THE EAST.  THE MOST INTENSE RAINFALL
WAS OVER NORTHERN CLAY INTO NORTHWEST FILLMORE COUNTIES...TO THE
EAST OF HASTINGS NEBRASKA.  SCATTERED THUNDERSTORMS WITH HEAVY TO
VERY HEAVY RAIN WERE IN CENTRAL NEBRASKA FROM BETWEEN NORTH PLATTE
AND KEARNEY TO NORTH AND NORTHEAST OF BROKEN BOW...AND IN NORTH
EAST NEBRASKA NORTH OF NORFOLK AND7 WEST OF SIOUX CITY.

ALL PRECIPITATION WAS MOVING TO THE EAST NORTHEAST AT 20 TO 25 MPH.
DGS
Local storm report, Jul 19, 2:16 PM CDT, 3 hours 20 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
215 PM CDT THU JUL 19 1990

A STORM SPOTTER 4 MILES NORTHWEST OF SUTTON IN NORTHEAST CLAY
COUNTY NEBRASKS REPORTED OVER 6 INCHES OF RAIN TODAY.  MOST aOF
THAT RAIN HAS FALLEN SINCE NOON.

AT NOON 1.70 INCHES WAS RECORDED...OVER 4.30 INCHES HAS FALLEN
SINCE NOON.
DGS
Special weather statement, Jul 19, 2:54 PM CDT, 2 hours 42 minutes before
NEZ008-013>015-017>019-192045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
245 PM CDT THU JUL 19 1990

...FLASH FLOOD WARNING FOR NORTHEAST CLAY AND NORTHWEST FILLMORE
COUNTIES OF SOUTH CENTRAL NEBRASLA UNTIL 515 PM...

AT 230 PM THE LATEST ROUND OF THUNDERSTORMS THAT HAS BROUGHT STREET
FLOODING TO SUTTON NEBRASKA...AND CAUSED THE ISSUANCE OF A FLASH FLOOD
WARNING...WAS OVER NORTHWEST FILLMORE COUNTY AND WAS MOVING OFF SLOWLY
TO THE EAST.  AT 245 PM SUTTON NEBRASKA REPORTS 5 TO 6 FEET OF WATER
IN LOW LYING AREAS...WATER IN BASEMENTS...AND EVACUATION OF SOME HOUSES.

OTHERWISE THUNDERSTORMS WERE SCATTERED FROM NORTHWEST KANSAS INTO
SOUTH CENTRAL AND SOUTHEAST NEBRASKA...AND ALSO OVER CENTRAL AND NORTH-
EAST NEBRASKA.  STORMS WITH HEAVY TO VERY HEAVY RAIN WERE NEAR SUPERIOR
NEBRASKA AND NORTH OF PHILLIPSBURG KANSAS.  MOVEMENT WAS TO THE EAST AT
10 TO 15 MPH.  STORMS WITH HEAVY RAIN WERE NORTH OF KEARNEY AND JUST
NORTHEAST AT BURWELL NEBRASKA.  MOVEMENT WAS TO THE EAST AT 25 MPH.
DGS
Special weather statement, Jul 19, 3:12 PM CDT, 2 hours 24 minutes before
NEZ008-013>015-017>019-192100-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
310 PM CDT THU JUL 19 1990

NUMEROUS REPORTS OF FUNNEL CLOUDS HAVE BEEN RECEIVED AT THE
GRAND ISLAND WEATHER OFFICE SINCE 230 PM...IN AREAS OF WESTERN
HOWARD COUNTY AND NORTHWEST HALL COUNTY TO THE WEST AND NORTHWEST
OF GRAND ISLAND.

RADAR AT GRAND ISLAND SHOWS NO INDICATION OF TORNADIC ACTIVITY IN
THAT AREA...AND THE REPORTS ARE ATTRIBUTTED TO LOW HANGING CLOUDS
AROUND THUNDERSTORMS IN THAT AREA.
DGS
Special weather statement, Jul 19, 3:50 PM CDT, 1 hour 46 minutes before
NEZ008-013>015-017>019-192145-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
345 PM CDT THU JUL 19 1990

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR PEOPLE
IN NORTHEAST CLAY AND NORTHWEST FILLMORE COUNTIES OF SOUTH CENTRAL
NEBRASKA MAINLY ALONG SCHOOL CREEK...

AT 330 PM THUNDERSTORMS HAVE WEAKENED AND MOVED EAST OUT OF THE FLASH
FLOOD AREA...BUT MORE THUNDERSTORMS WERE 25 TO 30 MILES WEST OF THE AREA
MOVING TO THE EAST.  HOWEVER THESE STORMS ARE NOT AS HEAVY AS THOSE THAT
CAUSED THE FLOODING AT SUTTON NEBRASKA EARLY THIS AFTERNOON.  RAINFALL
OF 5 TO 7 INCHES WAS REPORTED UP TO 330 PM IN THE SUTTON AREA.

THUNDERSTORMS SND RAINSHOWERS CONTINUED OVER SECTIONS OF EAST AND SOUTH
NEBRASKA INTO NORTHWEST KANSAS AT 330 PM...BUT MANY OF THE STORMS
HAVE DECREASED IN INTENSITY.  THE HEAVIEST RAIN WAS IN THUNDERSTORMS
OVER NORTHEAST NEBRASKA...NORTH OF NORFOLK TO WEST OF SIOUX CITY.
THUNDERSTORMS WITH VERY HEAVY RAIN WERE ALONG THE KANSAS-NEBRASKA
BORDER SOUTHEAST OF SUPERIOR NEBRASKA...AND SOUTH OF ARAPAHOE
NEBRASKA.

ALL PRECIPITATION WAS MOVING TO THE EAST AT 15 TO 20 MPH.
DGS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 2:08 PM CDTFlash Flood WarningGIDClay, Fillmore3 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.