Alert archive / Kansas / Flash Flood Warnings in 2011

Flash Flood Warning 12, NWS Goodland, KS

July 2, 2011Sherman County, Kansas; Kit Carson County, Colorado

NWS Goodland, KS issued this flash flood warning at Jul 2, 2011, 7:31 PM MDT for Sherman County, Kansas; Kit Carson County, Colorado. 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 outline as issued.

The facts

Issued
Jul 2, 2011, 7:31 PM MDT (01:31 UTC)
Expired
Jul 2, 2011, 10:40 PM MDT
In force
3 hr
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Flood severity
None

Counties Kit Carson County, CO, Sherman County, KS

The radar

The Goodland radar (KGLD), 18 km from the middle of the area, began a volume at 01:33 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, 1.5 hours before the alert went out and 127 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 2011-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 920 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 2011-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -51 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
920 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
2294 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-51 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.0

Open this sounding in Storm Lab

The text

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

136 
WGUS53 KGLD 030131
FFWGLD
COC063-KSC181-030530-
/O.NEW.KGLD.FF.W.0012.110703T0131Z-110703T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
731 PM MDT SAT JUL 2 2011

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN KIT CARSON COUNTY IN EAST CENTRAL COLORADO...
  SHERMAN COUNTY IN NORTHWEST KANSAS...

* UNTIL 1130 PM MDT

* AT 731 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. TRAINED WEATHER SPOTTERS REPORTED 1.5 INCHES OF       
  RAIN IN 30 MINUTES 3 MILES NORTHWEST OF GOODLAND...AND THESE       
  INTENSE RAINFALL RATES ARE EXPECTED TO CONTINUE ACROSS THE         
  AREA CREATING FLASH FLOODING.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BETHUNE...BURLINGTON...EDSON...GOODLAND...KANORADO AND RULETON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3957 10140 3923 10142 3913 10205 3906 10237
      3957 10279

$$

JRM
2 follow-up statements
736 
WGUS73 KGLD 030351
FFSGLD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
951 PM MDT SAT JUL 2 2011

COC063-KSC181-030530-
/O.CON.KGLD.FF.W.0012.000000T0000Z-110703T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KIT CARSON CO-SHERMAN KS-
951 PM MDT SAT JUL 2 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SHERMAN AND EASTERN KIT
CARSON COUNTIES UNTIL 1130 PM MDT...

AT 948 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED 1 
TO 3 INCHES OF RAIN HAD FALLEN ACROSS THE WARNED AREA. ALTHOUGH 
RAINFALL WILL CONTINUE TO DIMINISH...RUN OFF WILL CONTINUE TO POSE A 
FLOODING THREAT.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BETHUNE...BURLINGTON...EDSON...GOODLAND...KANORADO AND RULETON.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 3957 10140 3923 10142 3913 10205 3906 10237
      3957 10279

$$

JRM
472 
WGUS73 KGLD 030440 RRA
FFSGLD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
1040 PM MDT SAT JUL 2 2011

COC063-KSC181-030455-
/O.CAN.KGLD.FF.W.0012.000000T0000Z-110703T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KIT CARSON CO-SHERMAN KS-
1040 PM MDT SAT JUL 2 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SHERMAN AND EASTERN
KIT CARSON COUNTIES IS CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF FLOODING WAS OBSERVED PLEASE RELAY YOUR REPORT TO LOCAL LAW
ENFORCEMENT OR TO THE NATIONAL WEATHER SERVICE IN GOODLAND.

&&

LAT...LON 3957 10140 3923 10142 3913 10205 3906 10237
      3957 10279

$$

JRM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 6:13 PM MDTSevere Thunderstorm WarningGLDWallace32 min
Jul 2, 6:38 PM MDTSevere Thunderstorm WarningGLDCheyenne37 min
Jul 2, 7:09 PM MDTSevere Thunderstorm WarningGLDCheyenne51 min
Jul 2, 7:24 PM MDTSevere Thunderstorm WarningGLDCheyenne66 min
Jul 2, 7:28 PM MDTSpecial Weather StatementGLDSherman32 min
Jul 2, 7:44 PM MDTFlash Flood WarningGLDCheyenne4 hr
Jul 2, 7:53 PM MDTSevere Thunderstorm WarningGLDThomas36 min
Jul 2, 7:59 PM MDTSevere Thunderstorm WarningGLDCheyenne, Rawlins46 min
Jul 2, 8:20 PM MDTSevere Thunderstorm WarningGLDGove, Logan, Sheridan, Thomas55 min
Jul 2, 8:55 PM MDTSevere Thunderstorm WarningGLDDecatur, Rawlins21 min
Jul 2, 9:25 PM MDTSevere Thunderstorm WarningGLDDecatur, Norton50 min
Jul 2, 9:35 PM MDTTornado WarningGLDDecatur, Norton16 min
Jul 2, 9:55 PM MDTSevere Thunderstorm WarningGLDDecatur, Graham, Norton, Sheridan65 min
Jul 2, 10:05 PM MDTHigh Wind WarningGLDCheyenne, Rawlins98 min
Jul 2, 6:04 PM MDTSevere Thunderstorm WarningGLDYuma36 min
Jul 2, 6:10 PM MDTSevere Thunderstorm WarningGLDYuma65 min
Jul 2, 6:20 PM MDTTornado WarningGLDYuma25 min
Jul 2, 6:43 PM MDTTornado WarningGLDYuma17 min
Jul 2, 7:03 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma23 min
Jul 2, 7:09 PM MDTFlash Flood WarningGLDYuma4 hr

Nearby

Flash Flood Warnings in Kansas, 2011Flash Flood Warnings in Colorado, 2011Every flash flood warning in 2011

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.