Alert archive / Nebraska / Flash Flood Warnings in 1997

Flash Flood Warning 3, NWS Hastings, NE

June 24, 1997Nuckolls County, Nebraska

NWS Hastings, NE issued this flash flood warning at Jun 24, 1997, 8:06 AM CDT for Nuckolls County, Nebraska. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 24, 1997, 8:06 AM CDT (13:06 UTC)
Expired
Jun 24, 1997, 2:15 PM CDT
In force
6 hr
Issued by
NWS Hastings, NE
Area
Whole counties

County Nuckolls County, NE

The radar

The Grand Island radar (KUEX), 37 km from the middle of the area, began a volume at 13:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 1.1 hours before the alert went out and 190 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 1997-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 469 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 12:00Z on 1997-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 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
469 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
521 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRI 241320 COR
FFWGRI
NEC129-241915-

BULLETIN - EAS ACTIVATION REQUESTED     ...CORRECTED TEXT...
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
806 AM CDT TUE JUN 24 1997

THE NATIONAL WEATHER SERVICE IN HASTINGS NE  HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  215 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTH CENTRAL NEBRASKA

   ...NUCKOLLS COUNTY

AT 800 AM...THE REPUBLICAN RIVER NEAR SUPERIOR WAS RUNNING BANKFULL
AND IS EXPECTED TO RISE MORE THIS MORNING. LOST CREEK WEST OF SUPERIOR
HAD WATER OUT OF IT'S BANKS WITH SANDBAGGING UNDERWAY. FLOODING IS
EXPECTED TO CONTINUE TODAY IN THESE AREAS.

THIS FLOODING IS DUE TO OVER 5 INCHES OF RAIN THAT FELL OVER WESTERN
PARTS OF THE COUNTY. FURTHER WEST...2 TO 3 INCHES OF RAIN FELL NEAR
GUIDE ROCK AND RED CLOUD. THUS...MORE WATER WILL CONTINUE TO DRAIN
INTO THE RIVERS AND CREEKS THROUGHOUT THE DAY.

DO NOT ATTEMPT TO DRIVE OVER A ROAD COVERED BY WATER.  THE ROAD
COULD BE WAS(HED OUT UNDER THE WATER SURFACE OR YOUR CAR COULD BE
SWEPT AWAY IF WATER IS FLOWING SWIFTLY. PEOPLE ALONG AREA WATERWAYS
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY.

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.

NWS Hastings, NE wrote its last area forecast discussion before this flash flood warning went out at Jun 24, 3:25 AM CDT, 4 hours 41 minutes earlier.

Area forecast discussion, Jun 24, 3:25 AM CDT, 4 hours 41 minutes before
CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
325 AM CDT TUE JUN 24 1997

...IMMEDIATE PRBLM WILL BE DEALING WITH HEAVT AMT OF RAIN IN SE CWA
   EARLY THIS AM...THEN BRINGING STORMS BACK INTO AREA THIS AFTN &
   TONIGHT...

AT 06Z...SFC CHART HAD 65/70 DWPTS PREVALENT ACROSS CWA. SFC PATTERN
TO THE W AND NW VERY HAPHAZARD WITH SFC LOS IN CNTRL SD...SE WY...
SE CO...UT. GENERAL FRONT EXTENDS NE TO SW FROM FARGO TO CYS TO UT/AZ
BORDER.

KUEX CONTS TO SHOW AREA OF RAIN...EMBEDDED TSRA OVER ERN PARTS OF
CWA. STP HAS 2.5-3.0 STRIP OF RAIN FROM EXTREME ERN SMITH INTO NW
JEWELL CNTY KS. SEVERAL REPORTS...ONE ONLY A FEW MILES EAST OF THIS
AREA SUGGEST 88D IS UNDERESTIMATING AMTS BY 1/2 IN THIS TROPICAL
AIRMASS. GOOD NEW IS THAT THIS AREA IS NOW LIFTING NORTH OUT OF KS.
DEPUTY EN ROUTE TO AREA TO CHECK ON CREEK LVLS IN AREA. BASED ON
THAT INPUT...LIKELY WILL NEED SOME STATEMENT ON IT.

MODELS VARY IN SPEED AT WHICH FRONT TO THE NW COMES THRU AREA WITH AVN
AND ETA BRINGING IT THRU A GOOD 6 HRS FASTER THAN NGM. THESE MODELS
BASICALLY FORM MAIN LO IN SW KS WHICH DRAGS FRONT FURTHER SOUTH. THE
ONLY IMPLICATION THIS WILL HAVE IS THE AMT OF SVR WX AS ALL MODELS
BRING GOOD VVS FROM RRQ OF JET TO OUR NW THRU AREA LATE TODAY AND
THRU TONIGHT. TRWS WILL BE LIKELY EVERYWHERE...BUT ESP IN SE 1/2 OF
CWA LATE TODAY INTO TONIGHT.

EVEN INTO WED...GUIDANCE SUPPORTS SCT POPS FROM PIECE OF ENERGY MOVING
E TO W ALONG BOUNDARY...ESP IN NC KS...BUT PERHAPS EVEN INTO NEB. AM
GUESSING MDLS WILL ERROR TOWARD HAVING THE FRONT TOO FAR SOUTH AT THIS
POINT...SO WILL THROW 30/40% POPS IN FROM GRI SOUTH.

AS FOR TEMPS...TOO MAIN FACTORS AGAINST A GOOD WARMUP TODAY AS GOOD
CHC FOR LOTS OF CLDS. WILL STILL GO WITH FWCS WARMER S AS IT WILL
ONLY TAKE A LITTLE SUN TO BOOST TEMPS INTO THE LOW 80S. GIVEN VWPS
AND PROFILERS...WILL KEEP BREEZY SW WINDS IN FCST.

TONIGHT...WILL BE A BEAR AS TEMPS WILL VARY SIFNIFICANTLY BASED ON
FRONTAL POSITION. WILL GO AOA GUIDANCE...AND KEEP IT CLOSE TO FWC
ON WED.

GRI TB 083/063/082 773
HBR TB 084/064/083 773
ODX TB 084/061/081 752
LXN TB 084/061/082 752
BLT TB 084/065/082 774

GURNEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 6:04 PM CDTSevere Thunderstorm WarningGIDAdams26 min
Jun 24, 6:33 PM CDTSevere Thunderstorm WarningGIDAdams, Clay27 min

Nearby

Flash Flood Warnings in Nebraska, 1997Every flash flood warning in 1997

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; radar from the NEXRAD Level II archive.