Alert archive / Kansas / Flash Flood Warnings in 1996

Flash Flood Warning 21, NWS Goodland, KS

August 7, 1996Decatur County, Rawlins County, Kansas

NWS Goodland, KS issued this flash flood warning at Aug 7, 1996, 1:38 AM CDT for Decatur County, Rawlins County, Kansas. 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
Aug 7, 1996, 1:38 AM CDT (06:38 UTC)
Expired
Aug 7, 1996, 7:35 AM CDT
In force
6 hr
Issued by
NWS Goodland, KS
Area
Whole counties

Counties Decatur County, KS, Rawlins County, KS

The radar

The Goodland radar (KGLD), 92 km from the middle of the area, began a volume at 06:42 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 00:00Z, 6.6 hours before the alert went out and 150 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 00:00Z on 1996-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2637 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 1996-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
2637 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1615 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.4
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGLD 070638
FFWGLD
KSC039-153-071235-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
1238 AM MDT (138 AM CDT) WED AUG 7 1996

THE NATIONAL WEATHER SERVICE IN GOODLAND KS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 735 AM CDT (635 AM MDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWEST KANSAS

   ...RAWLINS COUNTY AND DECATUR COUNTY

AT 130 AM CDT GOODLAND WEATHER RADAR ESTIMATED THAT UP TO 6.2 INCHES
OF RAIN HAD FALLEN IN THREE HOURS IN A 15 MILE BY 2 MILE WIDE AREA
STRETCHING FROM 15 MILES WEST OF ATWOOD TO ATWOOD.  ANOTHER AREA OF
RAIN ESTIMATED AT 5 INCHES OR MORE IN THREE HOURS EXTENDED FROM 10
MILES WEST OF OBERLIN TO OBERLIN.

BEAVER CR`EEK AND TRIBUTARIES NORTH OF IT IN RAWLINS COUNTY ARE
INCLUDED IN THIS WARNING.  SAPPA CREEK IN DECATUR COUNTY IN ALSO
INCLUDED.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGER OF FLOODING.

ENTWISTLE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 7:07 PM CDTTornado WarningGLDThomas48 min
Aug 6, 7:27 PM CDTSevere Thunderstorm WarningGLDDecatur63 min
Aug 6, 7:29 PM CDTSevere Thunderstorm WarningGLDDecatur61 min
Aug 6, 7:53 PM CDTTornado WarningGLDThomas47 min
Aug 6, 7:58 PM CDTSevere Thunderstorm WarningGLDRawlins47 min
Aug 6, 8:11 PM CDTSevere Thunderstorm WarningGLDNorton49 min
Aug 6, 8:34 PM CDTSevere Thunderstorm WarningGLDRawlins, Thomas61 min
Aug 6, 8:50 PM CDTSevere Thunderstorm WarningGLDDecatur65 min
Aug 6, 9:18 PM CDTFlash Flood WarningGLDRawlins4 hr
Aug 6, 9:33 PM CDTSevere Thunderstorm WarningGLDRawlins47 min
Aug 6, 10:28 PM CDTSevere Thunderstorm WarningGLDRawlins62 min
Aug 6, 10:43 PM CDTSevere Thunderstorm WarningGLDCheyenne62 min
Aug 6, 11:38 PM CDTSevere Thunderstorm WarningGLDRawlins62 min
Aug 7, 12:04 AM CDTSevere Thunderstorm WarningGLDDecatur66 min
Aug 7, 12:39 AM CDTTornado WarningGLDSherman51 min

Nearby

Flash Flood Warnings in Kansas, 1996Every flash flood warning in 1996

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.