Alert archive / Kansas / Flash Flood Warnings in 1998

Flash Flood Warning 10, NWS Goodland, KS

July 9, 1998Logan County, Sherman County, Wallace County, Kansas

NWS Goodland, KS issued this flash flood warning at Jul 9, 1998, 10:34 PM CDT for Logan County, Sherman County, Wallace County, Kansas. It was in force for 14 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
Jul 9, 1998, 10:34 PM CDT (03:34 UTC)
Expired
Jul 10, 1998, 1:00 PM CDT
In force
14 hr
Issued by
NWS Goodland, KS
Area
Whole counties

Counties Logan County, KS, Sherman County, KS, Wallace County, KS

The radar

The Goodland radar (KGLD), 37 km from the middle of the area, began a volume at 03:36 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

Denver, CO (KDNR), launched 00:00Z, 3.6 hours before the alert went out and 170 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, Denver, CO at 00:00Z on 1998-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 154 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, Denver, CO at 00:00Z on 1998-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 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
154 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1109 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
13 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 KGLD 100335
FFWGLD
KSC109-181-199-101800-

FLOOD WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
934 PM MDT (1034 PM CDT) THU JUL 9 1998

...THE FLOOD WARNING HAS BEEN EXPANDED TO INCLUDE THE ENTIRE NORTH
FORK OF THE SMOKY HILL RIVER THROUGH NOON MDT (1 PM CDT)...

AT 930 PM MDT (1030 PM CDT) GOODLAND DOPPLER RADAR AND SPOTTER
REPORTS INDICATE THUNDERSTORMS CONTINUING OVER SHERMAN COUNTY...
WALLACE COUNTY...AND LOGAN COUNTIES IN KANSAS. DOPPLER RADAR
ESTIMATES THAT ONE TO TWO INCHES OF RAIN HAS FALLEN. A NARROW AXIS
OF 3 INCH RAINFALL EXTENDS FROM THE TOWN OF WINONA SOUTHWEST TO 15
MILES NORTHEAST OF SHARON SPRINGS. A WEATHER SPOTTER 8 MILES WEST OF
WINONA REPORTED OVER 5 INCHES OF RAIN WITH RAIN STILL FALLING.

WITH THE HEAVY RAINFALL TONIGHT AND RAINFALL LAST NIGHT...THE NORTH
FORK OF THE SMOKY HILL RIVER WILL LIKELY EXCEED ITS BANKS. EARLIER
THIS EVENING...NATIONAL WEATHER SERVICE EMPLOYEES REPORTED THAT MANY
COUNTY ROADS NEAR SMOKY GARDENS IN SHERMAN COUNTY HAD WATER FLOWING
OVER THEM. IN NORTHWEST LOGAN COUNTY...RESIDENTS IN THE TOWN OF
MCALLASTER REPORTED WATER IN THEIR HOMES.

RESIDENTS PLANNING TRAVEL ALONG OR NEAR THE RIVER SHOULD STAY ALERT
FOR RAPIDLY RISING WATERS AND FLOODING OF LOW LYING AREAS. STAY
TUNED TO NOAA WEATHER RADIO AND THE LOCAL MEDIA FOR FURTHER UPDATES.

THEDE

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 Goodland, KS wrote its last area forecast discussion before this flash flood warning went out at Jul 9, 2:48 PM CDT, 7 hours 46 minutes earlier.

Area forecast discussion, Jul 9, 2:48 PM CDT, 7 hours 46 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
148 PM MDT (248 PM CDT) THU JUL 9 1998

...THE CHALLENGE THIS FCST PACKAGE IS TSTM POTENTIAL AND
HVY RNFL THREAT...

ALL MODELS HV BEEN DOING POORLY LATELY...HWVR...LIKE THE NGM/AVN
THIS FCST PACKAGE. LTST WTR VAPOR AND VISIBLE LOOP SHOWS SW MONSOON
MOISTURE PLUME OVR MUCH OF CWA...WITH MID LVL DRY PUNCH MOVING N
THRU SE CO AND SW KS. LTST RADAR LOOP ALSO INDCS SOME WK CNVTN OVR
SW NEBRASKA ERN CO...UNDER MN MOISTURE PLUME.

FEEL CNVTN WILL CONT OVR NE CO...SW NEBRASKA TNGT WITH POSSIBLE MCS
DVLPMT SPCLY OVR NRN CWA. THIS FITS WELL WITH BOTH NGM/AVN PRECIP
FIELDS THRU 6Z FRI. ALSO...700 MB OMEGA FIELDS ALSO SUPPORT CNVTN OVR
NE CO AND SW NEBRASKA...WITH E/SE PROPAGATION INDCD BY THE CORFIDI
VECTORS. MODIFIED SOUNDING GIVES CAPES OF OVR 2000 WITH LI OF ARND
-7 FOR GLD AND HLC AND WET BULB TEMPS 2000 FT LWR THAN YDA...CANT
RULE OUT ISOLD SVR WITH VERY HVY RNFL LKLY. CONSIDERING ABNDT
RNFL...CRNT FLDNG OVR PORTIONS OF CWA FM LAST NGTS RNFL AND PW OVR
ONE INCH...WILL ISSUE FLASH FLD WTCH FOR A PTN OF CWA OVNGT. WITH
THIS IN MIND WILL GO SLIGHTLY ABV MOS POPS TNGT WITH MN THREAT N OF
I-70.

STAYING WITH MOS...WILL KEEP POPS IN PACKAGE THRU FRI NGT WITH
MOISTURE PLUME LKLY LINGERING OVR CWA. TEMPS LOOK RESONABLE WITH MOS
DOING EXCELLENT JOB. EXTENDED FCST MODELS SHO POSSIBLE CNVTN ON
SUN...WITH DRYING MONDAY AND TUE.

CONFIDENCE IS RATED BELOW AVERAGE THIS FCST GVN INCONSISTENT
PAST MODEL PERFORMANCE...HWVR...FEEL THAT THE POP COVERAGE IN THE
CRNT PACKAGE IS RESONABLE CONSIDERING AN AVERAGE OF ALL MODEL
PARAMETERS AND PAST EVE RNFL.

.GLD...FLASH FLOOD WATCH FOR NW KS COUNTIES 1...13...14...27...28

MATHEWSON/VJN

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 9, 7:29 PM CDTSevere Thunderstorm WarningGLDLogan61 min
Jul 9, 8:37 PM CDTFlash Flood WarningGLDLogan6 hr
Jul 9, 8:59 PM CDTSevere Thunderstorm WarningGLDSherman66 min
Jul 9, 9:08 PM CDTTornado WarningGLDSherman62 min
Jul 9, 9:29 PM CDTSevere Thunderstorm WarningGLDLogan66 min
Jul 9, 9:56 PM CDTFlash Flood WarningGLDWallace6 hr
Jul 9, 10:34 PM CDTFlash Flood WarningGLDLogan, Sherman, Wallace2 hr
Jul 10, 1:36 AM CDTSevere Thunderstorm WarningGLDGreeley64 min

Nearby

Flash Flood Warnings in Kansas, 1998Every flash flood warning in 1998

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.