Alert archive / Nebraska / Flash Flood Warnings in 1989

Flash Flood Warning 2, NWS Hastings, NE

June 24, 1989Clay County, Hamilton County, Nebraska

NWS Hastings, NE issued this flash flood warning at Jun 24, 1989, 9:00 PM CDT for Clay County, Hamilton County, Nebraska. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jun 24, 1989, 9:00 PM CDT (02:00 UTC)
Expired
Jun 24, 1989, 11:00 PM CDT
In force
2 hr
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Clay County, NE, Hamilton 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, 2.0 hours before the alert went out and 156 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 1989-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 578 joules per kilogram.LCLLFCEL10008507005003002001001 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 1989-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
578 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
897 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.2
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRI 250200
FFWGRI
NEC035-081-250400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE GRAND ISLAND NE
900 PM CDT SAT JUN 24 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTH CENTRAL PART OF NEBRASKA
      CLAY...HAMILTON

AT 855 PM CDT HEAVY RAIN WAS INDICATED BY RADAR 15 TO 25 MILES SOUTH
SOUTHEAST OF GRAND ISLAND.  MORE THAN ONE INCH OF RAIN HAS OCCURRED
WITH THUNDERSTORMS PRODUCING THE HEAVY RAINFALL IN A SHORT PERIOD
OF TIME.

A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR HAS
BEEN REPORTED.  RESIDENTS SHOULDz TAKE IMMEDIATE PRECAUTIONS.  DO NOT
ATTEMPT TO CROSS SWIFTLY FLOWING WATERS BY FOOT OR AUTO.

 RLT/JMK

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

Local storm report, Jun 24, 7:36 PM CDT, 1 hour 24 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
740 PM CDT SAT JUN 24 1989

TIME          EVENT                   LOCATION

712 PM CDT    GOLF BALL SIZE HAIL     KEARNEY IN SOUTHERN BUFFALO
                                      COUNTY

715 PM CDT    80 MILE AN HOUR WINDS   WOOD RIVER IN WESTERN HALL COUNTY

715 PM CDT    ONE INCH HAIL           KEARNEY IN SOUTHERN BUFFALO COUNTY

JMK
Local storm report, Jun 24, 7:41 PM CDT, 1 hour 19 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
740 PM CDT SAT JUN 24 1989

TIME          EVENT                   LOCATION

630 PM CDT    FOUR INCHES OF RAIN     LITCHFIELD IN SOUTHWESTERN
              TODAY   3.25 INCHES     SHERMAN COUNTY
              OF RAIN IN TWO HOURS

649 PM CDT    2.30 INCHES OF RAIN     LOUP CITY IN NORTHERN SHERMAN
              IN A FEW MINUTES        COUNTY
              URBAN FLOODING

JMK
Local storm report, Jun 24, 7:57 PM CDT, 1 hour 3 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
800 PM CDT SAT JUN 24 1989

TIME          EVENT                   LOCATION

752 PM CDT    60 MILE AN HOUR WINDS   CITY OF GRAND ISLAND

JMK
Local storm report, Jun 24, 8:26 PM CDT, 34 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
825 PM CDT SAT JUN 24 1989

TIME          EVENT                   LOCATION

700 PM CDT    2.15 INCHES OF RAIN     WOOD RIVER IN WESTERN HALL COUNTY
              IN A SHORT TIME
              2.80 TOTAL RAINFALL
              TODAY

800 PM CDT    GOLF BALL SIZE HAIL     DONIPHAN IN SOUTHERN HALL COUNTY

802 PM CDT    49 MILE AN HOUR WINDS   CENTRAL NEBRASKA REGIONAL AIRPORT
          D                            IN NORTHEAST HALL COUNTY

JMK
Local storm report, Jun 24, 8:40 PM CDT, 20 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
840 PM CDT SAT JUN 24 1989

TIME          EVENT                   LOCATION

825 PM CDT    UNDERPASSES FLOODED     CITY OF GRAND ISLAND
       e       AND CLOSED.

JMK
Special weather statement, Jun 24, 8:47 PM CDT, 13 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
845 PM CDT SAT JUN 24 1989

...A SEVERE THUNDERSTORM WATCH WAS IN EFFECT UNTIL 1000 PM CDT...

AT 830 PM CDT AN AREA OF STRONG THUNDERSTORMS WITH EXTREMELY HEAVY RAINS
...HAIL FROM PEA TO GOLF BALL SIZE...AND BRIEF WINDS TO 60 MPH.
ALONG WITH THIS...URBAN AND SMALL STREAM FLOODING HAD BEEN REPORTED WITH
THE PASSAGE OF MANY OF THESE STORMS.
THE AREA COVERED ALL OF SOUTH CENTRAL NEBRASKA WITH THE MOST INTENSE
THUNDERSTORMS FROM 15 MILES SOUTHEAST OF GRAND ISLAND TO 30 MILES SOUTH-
WEST OF HASTINGS.  THESE THUNDERSTORMS WERE 15 MILES WIDE.  OTHER LESS
INTENSE THUNDERSTORMS WERE FROM 45 TO 50 MILES NORTH THhROUGH NORTHEAST
OF GRAND ISLAND TO THE KANSAS BORDER AREA...FROM SOUTH OF HASTINGS TO
SOUTHWEST OF HOLDREDGE.
THE REMAINDER OF THE AREA CONTAINED MORE MODERATE THUNDERSHOWERS.
ALL THIS ACTIVITY WAS MOVING EAST NORTHEAST AT 25 MPH.
JFD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 7:24 PM CDTSevere Thunderstorm WarningGIDBuffalo, Hall51 min
Jun 24, 8:11 PM CDTFlash Flood WarningGIDAdams, Hall109 min
Jun 24, 8:38 PM CDTSevere Thunderstorm WarningGIDClay, Hamilton52 min
Jun 24, 9:24 PM CDTTornado WarningGIDFillmore, Thayer51 min
Jun 24, 10:30 PM CDTFlash Flood WarningGIDBuffalo, Kearney, Phelps3 hr
Jun 24, 10:30 PM CDTFlash Flood WarningGIDGosper3 hr
Jun 24, 11:29 PM CDTFlash Flood WarningGIDAdams, Clay, Hall, Hamilton3 hr

Nearby

Flash Flood Warnings in Nebraska, 1989Every flash flood 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; the sounding from the Mesonet's radiosonde archive.