Alert archive / Nebraska / Flash Flood Warnings in 1997

Flash Flood Warning 1, NWS Hastings, NE

June 17, 1997Buffalo County, Hall County, Nebraska

NWS Hastings, NE issued this flash flood warning at Jun 17, 1997, 11:53 AM CDT for Buffalo County, Hall County, Nebraska. It was in force for 12 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 17, 1997, 11:53 AM CDT (16:53 UTC)
Expired
Jun 18, 1997, 12:00 AM CDT
In force
12 hr
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Buffalo County, NE, Hall County, NE

The radar

The Grand Island radar (KUEX), 67 km from the middle of the area, began a volume at 16:54 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 4.9 hours before the alert went out and 155 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, N. Platte/Lee Bi, NE at 12:00Z on 1997-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 38 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, N. Platte/Lee Bi, NE at 12:00Z on 1997-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 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
38 J/kg
Mixed-layer CIN
-155 J/kg
Mixed-layer LCL
1743 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
39 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 171656
FFWGRI
NEC019-079-180500-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
1153 AM CDT TUE JUN 17 1997
 
THE NATIONAL WEATHER SERVICE IN HASTINGS NE  HAS ISSUED A
FLOOD WARNING FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL NEBRASKA
 
   ...BUFFALO COUNTY...HALL COUNTY
 
A FLOOD WARNING HAS BEEN ISSUED FOR THE PLATTE RIVER FROM ELM CREEK TO
GRAND ISLAND THROUGH THIS WEEKEND.
 
A FLOOD WARNING REMAINS IN EFFECT FROM GOTHENBURG TO ELM CREEK.
 
AT 11 AM TUESDAY MORNING THE PLATTE RIVER 3 MILES SOUTH OF KEARNEY WAS
AT 5.3 FEET.  FLOOD STAGE AT KEARNEY IS 6 FEET. THE RIVER IS EXPECTED
TO CONTINUE TO RISE AND CREST NEAR FLOOD STAGE DURING THE EVENING HOURS
OF THURSDAY JUNE 19TH.
 
THE PLATTE RIVER AT THE HAMILTON COUNTY BRIDGE 5 MILES SOUTHEAST OF
GRAND ISLAND WAS AT 3.3 FEET TUESDAY MORNING. FLOOD STAGE IS 4 FEET.
THE RIVER IS EXPECTED TO RISE ABOVE FLOOD STAGE DURING THE EVENING
HOURS WEDNESDAY AND THEN CREST AT 4.5 FEET DURING THE MORNING HOURS OF
SATURDAY JUNE 21ST.
 
AGRICULTURAL AND PASTURE LANDS ARE THE ONLY AREAS EXPECTED TO BE
FLOODED BUT ANYONE WITH INTERESTS ALONG THE RIVER SHOULD BE TAKING
ACTIONS NOW TO MINIMIZE LOSS0ES.
 
REMEMBER TO NEVER DRIVE ACROSS FLOODED ROADS AS THE WATER COULD BE MUCH
DEEPER THAN IT APPEARS.
 
GRIFFITH

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 17, 2:18 AM CDT, 9 hours 35 minutes earlier.

Area forecast discussion, Jun 17, 2:18 AM CDT, 9 hours 35 minutes before
CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
218 AM CDT TUE JUN 17 1997

THUNDERSTORM CHANCES TODAY CONCERN OF THIS FORECAST PACKAGE.

LOTS OF BOUNDARIES ON SURFACE MAP AT 06Z - NOT TO MENTION THE
NORTHWEST MOVING KUEX BOUNDARY FROM YORK TO PHILLIPSBURG.  UPPER
FLOW HAS SHORTWAVE SLIPPING THROUGH NORTHERN PLAINS WITH ONLY
LIMITED MOISTURE IN OUR AREA ATTM.  CHURNING UPPER LEVEL LOW IN
WEST TEXAS LIFTING AS WEAK LOW PRESSURE ABOUNDS AROUND HERE.

CLOUD COVER IS INCREASING FROM NORTHWEST NEBRASKA AS TROF AHEAD
OF FRONT APPROACHES QUICKLY.  THIS QUICK MOVEMENT SUGGESTS MUCH
OF WHAT HAPPENS TO OCCUR THIS AFTERNOON...AND INTO EARLY EVENING
FOR SOUTHEAST CWA.  FORECAST MOISTURE CONVERGENCE INCREASE BY
LATE AFTERNOON.  THE WORST WEATHER SHOULD BE NORTHEAST OF NEBRASKA
BUT A FEW STG/SVR CELLS SEEM POSSIBLE.  ETA FORECAST SOUNDINGS FOR
LATE AFTERNOON HAVE NEAR 1500 CAPE WITH NO CAP.  TEMPERATURES RISING
INTO THE MIDDLE 80S SHOULD SUPPORT THE INSTABILITY PROGS.  WITH THIS IN
THE MIND...THE CURRENT 20-30 PERCENT OVER CWA LOOKS OKAY.  FWC HAS
PERFORMED BETTER RECENTLY AND WILL LEAN THAT DIRECTION.

THUNDERSTORMS COULD LINGER SOUTHEAST OF HASTINGS AND IN NORTH
CENTRAL KANSAS EARLY THIS EVENING.  WILL CONTINUE THIS FORECAST
WORDING IN MORNING ZONES.  AFTERWARD...A CLEARING TREND WILL TAKE
HOLD PROVIDING FOR ANOTHER PLEASANT SLEEPING WEATHER NIGHT.

WEDNESDAY LOOKS TO BE A TYPCIAL WARM JUNE DAY.  ALL THREE MODELS SHOW
AT LEAST +20 IN ERN CWA BY 00Z AT H85.  ZONAL FLOW IN WRN U.S. TRYING
TO SET UP SIGNICANT CHANGING TO THE LACK LUSTER PATTERN RECENTLY.
DESPITE THIS...FORECAST SOUNDINGS SHOW CAP IN PLACE WITH LITTLE FORCING
AVAIABLE IN AREA.  THE CURRENT WARM FORECAST LOOKS GOOD SO NO MAJOR
CHANGES WILL BE MADE.............................................MORITZ

GRI BU 086/055/090 3-0
HBR BU 086/056/089 230
ODX BU 085/054/090 3-0
LXN BU 086/052/091 3-0
BLT BU 086/058/089 230

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.