Alert archive / Nebraska / Flash Flood Warnings in 1990

Flash Flood Warning 2, NWS Hastings, NE

June 15, 19904 counties in Nebraska

NWS Hastings, NE issued this flash flood warning at Jun 15, 1990, 10:08 PM CDT for 4 counties in Nebraska. It was in force for 77 min.

The area

The counties it named.

The facts

Issued
Jun 15, 1990, 10:08 PM CDT (03:08 UTC)
Expired
Jun 15, 1990, 11:25 PM CDT
In force
77 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Clay County, NE, Fillmore County, NE, Hamilton County, NE, York 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, 3.1 hours before the alert went out and 140 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 1990-06-16Temperature 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 1990-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.19395878Sfc1 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
3621 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
66 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 160308
FFWGRI
NEC035-059-081-169-185-160915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE GRAND ISLAND NE
1008 PM CDT FRI JUN 15 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 415 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

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

   IN THE CENTRAL PART OF NEBRASKA
      YORK...

AT 1000 PM CDT...THUNDERSTORMS PRODUCING HEAVY RAIN WERE MOVING
INTO SOUTHEAST NEBRASKA FROM NORTHERN KANSAS.  THESE STORMS WERE
MOVING NEAR AREAS INUNDATED BY HEAVY RAINS LAST NIGHT.  OTHER STORMS
WITH HEAVY RAIN WERE WEST OF A LINE FROM KEARNEY TO NORTH OF GRAND
ISLAND...TO NEAR COLUMBUS.  THESE STORMS WERE MOVING EAST INTO THE
SATURATED AREA.  HEAVY RAINS FROM THESE STORMS WILL CAUSE FLOODING OF
STREAMS AND CREEKS IN THE WARNED AREA.

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

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

 MLT/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 15, 6:47 PM CDT, 3 hours 21 minutes before
NEZ008-013>015-017>019-160045-

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

...FLASH FLOOD WATCH FOR THE EASTERN 1/3RD OF NEBRASKA TONIGHT...
...TORNADO WATCH UNTIL 11 PM CDT FOR PARTS OF CENTRAL NEBRASKA WEST OF
GRAND ISLAND...

AT 635 PM CDT...GRAND ISLAND RADAR SHOWED THUNDERSTORMS IN EXTREME
SOUTHWEST NEBRASKA AND IN PARTS OF CENTRAL AND NORTH CENTRAL KANSAS.
SOME OF THESE STORMS WERE VERY STRONG AND WERE PRODUCING VERY HEAVY RAIN.

IN NEBRASKA...THE THUNDERSTORMS WERE WEST OF A LINE FROM 20 MILES WEST OF
NORTH PLATTE TO 10 MILES WEST OF MCCOOK.  IN KANSAS THE STORMS WERE IN A
50 MILE WIDE AREA WEST OF A LINE FROM 40 MILES EAST OF HILL CITY...TO
NEAR DODGE CITY.  ALL OF THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN
HOUR.

SULLIVAN
Special weather statement, Jun 15, 7:53 PM CDT, 2 hours 15 minutes before
NEZ008-013>015-017>019-160145-

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

STRONG THUNDERSTORMS CONTINUED IN SOUTHWEST NEBRASKA EARLY THIS EVENING
AND THUNDERSTORMS IN NORTH CENTRAL KANSAS WERE POISED TO ENTER INTO THE
SOUTH CENTRAL PART OF THE STATE.

AT 735 PM CDT...GRAND ISLAND RADAR SHOWED THUNDERSTORMS IN A 40 MILE
WIDE AREA WEST OF A LINE FROM NEAR NORTH PLATTE TO 15 MILES EAST OF
MCCOOK.  GOLFBALL SIZE HAIL WAS REPORTED WITH A STORM 25 MILES SOUTHWEST
OF NORTH PLATTE...AND RADAR CONTINUED TO INDICATE HAIL WITH THIS STORM.
THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR.

IN NORTHERN KANSAS...THUNDERSTORMS WERE SOUTH AND WEST OF A LINE FROM THE
KANSAS BORDER SOUTH OF KEARNEY...TO 10 MILES WWEST OF CONCORDIA.  THESE
STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR.  A STORM WITH VERY
HEAVY RAIN...DANGEROUS LIGHTNING...AND STRONG GUSTY WINDS WILL BE ROLLING
OVER THE HARLAN COUNTY RESERVOIR BETWEEN 800 AND 830 PM.  BOATERS AND
CAMPERS IN THAT AREA SHOULD STAY OUT OF THE WATER UNTIL AFTER THE
STORMS PASS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM FOR MUCH OF CENTRAL AND
WESTERN NEBRASKA...AND )A FLASH FLOOD WATCH IS IN EFFECT OVERNIGHT FOR
THE EASTERN 1/3 OF THE STATE...SO KEEP ALERT TO RAPIDLY CHANGING WEATHER
AND TAKE SHELTER IF THREATENING WEATHER APPROACHES.

SULLIVAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 8:11 PM CDTSevere Thunderstorm WarningGIDFurnas, Gosper34 min
Jun 15, 9:08 PM CDTTornado WarningGIDGosper22 min
Jun 15, 9:48 PM CDTSevere Thunderstorm WarningGIDSherman42 min
Jun 15, 10:08 PM CDTFlash Flood WarningGIDThayer77 min
Jun 15, 10:55 PM CDTFlash Flood WarningGIDGreeley, Howard, Sherman6 hr
Jun 15, 10:55 PM CDTFlash Flood WarningGIDValley6 hr
Jun 16, 4:20 PM CDTTornado WarningGIDFurnas, Harlan55 min
Jun 16, 5:12 PM CDTTornado WarningGIDFranklin, Harlan63 min
Jun 16, 5:21 PM CDTTornado WarningGIDGreeley, Howard, Sherman19 min
Jun 16, 6:18 PM CDTTornado WarningGIDFranklin, Harlan57 min
Jun 16, 6:46 PM CDTTornado WarningGIDBuffalo29 min
Jun 16, 6:51 PM CDTTornado WarningGIDWebster69 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.