Alert archive / Kansas / Flash Flood Warnings in 1997

Flash Flood Warning 5, NWS Hastings, NE

August 21, 1997Osborne County, Rooks County, Kansas

NWS Hastings, NE issued this flash flood warning at Aug 21, 1997, 10:51 PM CDT for Osborne County, Rooks County, Kansas. It was in force for 4 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
Aug 21, 1997, 10:51 PM CDT (03:51 UTC)
Expired
Aug 22, 1997, 3:00 AM CDT
In force
4 hr
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Osborne County, KS, Rooks County, KS

The radar

The Grand Island radar (KUEX), 120 km from the middle of the area, began a volume at 03:52 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

Dodge City, (KDDC), launched 00:00Z, 3.9 hours before the alert went out and 191 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, Dodge City, at 00:00Z on 1997-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3676 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, Dodge City, at 00:00Z on 1997-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 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
3676 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1196 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
246 m²/s²
Significant tornado parameter
4.0
Supercell composite
21.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRI 220351
FFWGRI
KSC141-163-220800-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
1051 PM CDT THU AUG 21 1997
 
THE NATIONAL WEATHER SERVICE IN HASTINGS NE  HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  300 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL KANSAS
 
   ...SOUTHWESTERN OSBORNE COUNTY...ROOKS COUNTY
 
PEOPLE IN ROOKS AND SOUTHWEST OSBORNE COUNTIES ESPECIALLY
STOCKTON...CODELL AND NATOMA SHOULD BE PREPARED FOR FLASH FLOODING.
HEAVY RAINS HAD FALLEN UPON A GOOD PART OF ROOKS COUNTY.  RADAR
SHOWED HEAVIEST AMOUNTS /ABOUT 3 INCHES/ HAD FALLEN IN AN AREA
ABOUT 5 MILES WIDE FROM NORTH OF STOCKTON THROUGH STOCKTON TO
NEAR CODELL.  UNFORTUNATELY RAIN CONTINUED TO FALL OVER THE
SATURATED AREA...AND IT IS FORECAST TO PERSIST THROUGH MIDNIGHT.
 
STREET FLOODING WAS OCCURRING IN STOCKTON AT 1030.  THE GREATEST
POTENTIAL FOR FLASH FLOODING APPEARS ALONG PARADISE CREEK FROM
JUST EAST OF PLAINVILLE TO CODELL AND NATOMA.  THE STREAM WILL
LIKELY OVERFLOW ITS BANKS EARLY FRIDAY MORNING.
 
 
 
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 BY AUTO.
 
 
SCHURR

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 Aug 21, 2:39 PM CDT, 8 hours 12 minutes earlier.

Area forecast discussion, Aug 21, 2:39 PM CDT, 8 hours 12 minutes before
CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
238 PM CDT THU AUG 21 1997

THUNDERSTORMS MAIN CONCERN AGAIN THIS PACKAGE IN NW FLOW ALOFT.

WILL BEGIN FORECAST DISCUSSION WITH YESTERDAYS MODEL RUNS.  THEY INDCTD
IMPRESSIVE ISENT LIFT OVER SW FA BY THU MORNING.  1.25 IN PCPTBL H2O
VALUES WERE LIFTED TO SATURATION ALONG FAVORED 570 THICKNESS CONTOUR
WHICH RUNS RIGHT THROUGH SVR WX AREA THIS MORNING AS PER K0K.

ON GOING ELEVATED CONVECTION ATTM ALSO NEAR 570 TKNS CONTOUR AS PER K1K
AS 1.25 IN CONTS TO BE LIFTED AS PER P03.  ALSO COMING INTO PLAY TAFTN
IS A JET MAX RIDING NW-SE ACROSS MN/IA AD H7 S/W BOTH PER 12Z UA/PROFS.
THESE FEATURES HARD TO DISCERN ON WV IMGRY.  THESE STORMS SHOULD CONT
INTO EARLY EVENING GRADUALLY SINKING SWD.

WHAT IS MORE EVIDENT ON SATELLITE ARE OUTFLOW BNDRIES FROM MORNING TRWS
AND NW NEBR S/W WITH IMPRESSIVE DRYING AS PER GLD AFD.  THESE SHUD
COMBINE WITH MST/UNSTABLE AIR FOR TSTMS THIS EVENING NEBR AND INTO THE
NIGHT KS.  ALTHOUGH CELL MOVEMENTS QUICK...SOME TRAINING AS OCCURRED
THIS MORNING...COULD PRODUCE HEAVY AMOUNTS AND WILL MENTION IN KS TNGT.
WILL ALSO MENTION PSBLTY OF SVR WX OVER WRN SECTIONS OF FA CLOSER
WHERE SHEAR PROFILES AND HIGHER INSTABILITIES WARRANT HIGHER SVR WX
THREAT.

MODELS HAVE A TOUGH TIME WITH THIS NW FLOW SO CANT SAY THAT ANY DO A
FANTASTIC JOB.  NGM DID INITIALIZE VVEL FAIRLY WELL THIS MORNING.
WILL GO WITH TYPICAL BLEND OF MODELS USING WV IMGRY EXTRAPOLATION TO
GET SOME SEMBLANCE OF TIMING OF PSBL TSTMS FOR OUT PDS.

IT APPEARS THAT AFTER TNGT...NEXT CHC COMES AGAIN FRI AND INTO THE
EVENING AS A PORTION OF IGNACIO COMES DOWN FRONT SIDE OF UPPER RIDGE.
NGM HINTS AT THE RESULTING PRECIP BEST BUT MAY BE A LITTLE SLOW WITH
TIMING.  WILL GO WITH SMALL POPS FRI/FRI NGT AND LEAVE SAT DRY ATTM
AS THERE SHOULD BE SOME BREAK BETWEEN WAVES AFTER TROP SYS REMNANT
PASSES.

TEMPS FRIDAY PROBABLY A TAD WARMER THAN TODAY WITH ERLY AM TSTMS NOT
FCST.  SATURDAY REMAINS UP IN THE AIR BUT WILL GO EVEN A LITTLE MORE
WARMER AS UPPER RIDGE BUILDS/SHIFTS SLGTLY EWD.  FWC/FAN BLEND RSNBL
EXCEPT THAT MINS ARE A LITTLE ON THE COOL SIDE GIVEN CURRENT DEW POINTS.
.
GRI BB 064/082/064/085 4331
ODX BB 061/083/063/085 3331
LXN BB 063/084/062/086 4331
HBR BB 065/083/065/085 4331
BEL BB 067/084/066/086 5331

DROZD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 8:46 PM CDTSevere Thunderstorm WarningGIDOsborne44 min
Aug 21, 9:06 PM CDTSevere Thunderstorm WarningGIDPhillips, Rooks54 min
Aug 21, 9:11 PM CDTTornado WarningGIDRooks49 min
Aug 21, 9:17 PM CDTTornado WarningGIDOsborne43 min
Aug 21, 9:46 PM CDTSevere Thunderstorm WarningGIDPhillips44 min
Aug 21, 9:59 PM CDTTornado WarningGIDRooks46 min
Aug 21, 11:56 PM CDTSevere Thunderstorm WarningGIDJewell49 min

Nearby

Flash Flood Warnings in Kansas, 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.