Alert archive / Kansas / Flash Flood Warnings in 1997

Flash Flood Warning 10, NWS Dodge City, KS

July 20, 1997Pratt County, Kansas

NWS Dodge City, KS issued this flash flood warning at Jul 20, 1997, 1:25 AM CDT for Pratt County, Kansas. It was in force for 3 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 20, 1997, 1:25 AM CDT (06:25 UTC)
Expired
Jul 20, 1997, 4:30 AM CDT
In force
3 hr
Issued by
NWS Dodge City, KS
Area
Whole counties

County Pratt County, KS

The radar

The Dodge City radar (KDDC), 109 km from the middle of the area, began a volume at 06:28 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, 6.4 hours before the alert went out and 103 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 1997-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1706 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 1997-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
1706 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
1408 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
295 m²/s²
Significant tornado parameter
0.8
Supercell composite
10.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDDC 200627
FFWDDC
KSC151-200930-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DODGE CITY KS
125 AM CDT SUN JUL 20 1997

* FLASH FLOOD WARNING FOR
  PRATT COUNTY IN SOUTH CENTRAL KANSAS

* UNTIL 430 AM CDT
 
* SOME STREAMS AFFECTED
  SOUTH FORK NINNESCAH

* CAUSE AND EFFECT
  HEAVY RAINFALL IN EXCESS OF 5 INCHES IN PAST THREE HOURS

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

NICHOLS/GERARD/STEINMETZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 9:01 PM CDTSevere Thunderstorm WarningDDCEdwards49 min
Jul 19, 10:01 PM CDTSevere Thunderstorm WarningDDCPawnee49 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.