Alert archive / Kansas / Flash Flood Warnings in 1991

Flash Flood Warning 3, NWS Dodge City, KS

April 12, 1991Pratt County, Kansas

NWS Dodge City, KS issued this flash flood warning at Apr 12, 1991, 9:37 PM CDT for Pratt County, Kansas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Apr 12, 1991, 9:37 PM CDT (02:37 UTC)
Expired
Apr 13, 1991, 12:45 AM CDT
In force
3 hr
Issued by
NWS Dodge City, KS
Area
Whole counties

County Pratt County, KS

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 2.6 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 1991-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1991-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3500 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
184 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 KDDC 130237
FFWDDC
KSC151-130545-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DODGE CITY KS
937 PM CDT FRI APR 12 1991
 
THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A
FLASH FLOOD WARNING  EFFECTIVE UNTIL 1245 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL KANSAS
 
   ...PRATT COUNTY
 
STRONG THUNDERSTORMS...WITH VERY HEAVY RAINFALL...CONTINUE TO MOVE
ACROSS PRATT COUNTY THIS EVENING. RADAR RAINFALL ESTIMATES INDICATE
THAT BETWEEN 3 1/2 AND 4 INCHES OF RAIN HAVE FALLEN IN SOME AREAS OF
THE COUNTY.
 
FLOODING HAS BEEN REPORTED THROUGHOUT THE EVENING IN THE TOWN OF PRATT
AND OVER MUCH OF THE COUNTY...AND WILL CONTINUE THE NEXT SEVERAL HOURS
AS ADDITIONAL HEAVY RAINFALL MOVES ACROSS.
 
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. DO NOT STAY IN AREAS SUBJECT TO FLOODING
WHEN WATER BEGINS TO RISE.

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.

In the hours before

Special weather statement, Apr 12, 4:36 PM CDT, 5 hours 1 minute before
KSZ006-009-130100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
435 PM CDT THU APR 11 1991

...THUNDERSTORMS WERE DEVELOPING IN SOUTH CENTRAL KANSAS...

AT 435 PM...A THUNDERSTORM WITH VERY HEAVY RAIN WAS ABOUT 25 MILES
SOUTH OF PRATT...BETWEEN SUN CITY AND MEDICINE LODGE. IT WAS MOVING
NORTHEAST AT 40 MPH AND WILL PASS NEAR OR WEST OF MEDICINE LODGE BY
500 PM. IT WILL CONTAIN HEAVY DOWNPOURS...GUSTY WINDS...AND POSSIBLY
SOME SMALL HAIL.

AS OF 430 PM...NO SEVERE WEATHER WAS REPORTED IN SOUTH CENTRAL OR
SOUTHWEST KANSAS. CONDITIONS ARE BECOMING MORE FAVORABLE FOR SEVERE
THUNDERSTORMS TO DEVELOP...ALONG WITH POSSIBLE TORNADOES.

A TORNADO WATCH CONTINUES IN EFFECT UNTIL 8 PM CDT FOR BARBER...
COMANCHE...KIOWA...PRATT...EDWARDS...STAFFORD...AND PAWNEE COUNTIES.
A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS
AND TORNADOES IN THE WATCH AREA.

STAY TUNED TO LOCAL TV...RADIO...OR NOAA WEATHER RADIO FOR LATER
STATEMENTS AND POSSIBLE WARNINGS THIS EVENING.

LETRO

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 7:34 PM CDTSevere Thunderstorm WarningDDCPratt41 min
Apr 12, 7:37 PM CDTFlash Flood WarningDDCPratt, Stafford2 hr
Apr 12, 8:48 PM CDTSevere Thunderstorm WarningDDCPratt57 min
Apr 12, 9:02 PM CDTSevere Thunderstorm WarningDDCKiowa43 min
Apr 12, 9:51 PM CDTSevere Thunderstorm WarningDDCComanche54 min
Apr 12, 10:04 PM CDTSevere Thunderstorm WarningDDCKiowa56 min
Apr 12, 10:30 PM CDTSevere Thunderstorm WarningDDCPratt60 min

Nearby

Flash Flood Warnings in Kansas, 1991Every flash flood warning in 1991

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.