Alert archive / Kansas / Flash Flood Warnings in 2011

Flash Flood Warning 13, NWS Goodland, KS

July 2, 2011Cheyenne County, Kansas; Dundy County, Nebraska

NWS Goodland, KS issued this flash flood warning at Jul 2, 2011, 8:44 PM CDT for Cheyenne County, Kansas; Dundy County, Nebraska. It was in force for 4 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 2, 2011, 8:44 PM CDT (01:44 UTC)
Expired: Jul 3, 2011, 12:30 AM CDT
In force: 4 hr
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Flood severity: None

Counties Cheyenne County, KS, Dundy County, NE

The radar

The Goodland radar (KGLD), 69 km from the middle of the area, began a volume at 01:46 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.

What was reported inside it

Time	Report	Where	Remark
Jul 2, 9:40 PM CDT	FLASH FLOOD	St. Francis, KS	STREET FLOODING WITH 6 INCHES OF WATER RUNNING ACROSS ROAD AND OVER CURB.
Jul 2, 10:20 PM CDT	HEAVY RAIN 1.95	St. Francis, KS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 1.7 hours before the alert went out and 141 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

587 
WGUS53 KGLD 030144
FFWGLD
KSC023-NEC057-030530-
/O.NEW.KGLD.FF.W.0013.110703T0144Z-110703T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHEYENNE COUNTY IN NORTHWEST KANSAS...
  SOUTHERN DUNDY COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 1230 AM CDT/1130 PM MDT/

* AT 841 PM CDT/741 PM MDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS
  THE WARNED AREA. AS STORMS CONTINUE TO REDEVELOP ACROSS THE        
  AREA...ADDITIONAL HEAVY RAINFALL WILL QUICKLY RUN OFF AND CREATE    
  FLASH FLOODING. THESE STORMS HAVE A HISTORY OF PRODUCING          
  RAINFALL AMOUNTS IN EXCESS OF AN INCH IN 30 MINUTES 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BENKELMAN...BIRD CITY...HAIGLER...MAX...PARKS...ST. FRANCIS AND
  WHEELER.


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 4023 10139 4003 10140 4000 10141 3957 10142
      3958 10205 4023 10204

$$

JRM

2 follow-up statements

166 
WGUS73 KGLD 030320
FFSGLD

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

KSC023-NEC057-030530-
/O.CON.KGLD.FF.W.0013.000000T0000Z-110703T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEYENNE KS-DUNDY NE-
1020 PM CDT SAT JUL 2 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN DUNDY AND
CHEYENNE COUNTIES UNTIL 1230 AM CDT/1130 PM MDT/...

AT 1000 PM CDT/900 PM MDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR 
INDICATED AREAS OF MODERATE RAINFALL ACROSS THE WARNED AREA. RADAR 
ESTIMATES 1 TO 3 INCHES...WITH LOCALLY HIGHER AMOUNTS HAS FALLEN 
ACROSS THE AREA. WHILE RAINFALL WILL COME TO AN END OVER THE NEXT 
HOUR...RUN OFF WILL CONTINUE TO CREATE AREAS OF FLOODING THROUGH THE 
EVENING.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BENKELMAN...BIRD CITY...HAIGLER...MAX...PARKS...ST. FRANCIS AND 
WHEELER.

EMERGENCY MANAGEMENT REPORTED STREET FLOODING IN ST. FRANCIS...WITH 
6 INCHES OF WATER RUNNING OVER THE ROAD IN SOME AREAS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...BENKELMAN...
BIRD CITY...HAIGLER...MAX...PARKS...ST. FRANCIS AND WHEELER.

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.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GOODLAND.

&&

LAT...LON 4023 10139 4003 10140 4000 10141 3957 10142
      3958 10205 4023 10204

$$

JRM

423 
WGUS73 KGLD 030526
FFSGLD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
1126 PM MDT SAT JUL 2 2011

KSC023-NEC057-030542-
/O.EXP.KGLD.FF.W.0013.000000T0000Z-110703T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEYENNE KS-DUNDY NE-
1226 AM CDT SUN JUL 3 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN DUNDY AND
CHEYENNE COUNTIES WILL BE ALLOWED TO EXPIRE AT 1130 PM MDT/1230 AM
CDT/...

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.

LAT...LON 4023 10139 4003 10140 4000 10141 3957 10142
      3958 10205 4023 10204

$$

FOLTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 7:13 PM CDT	Severe Thunderstorm Warning	GLD	Wallace	32 min
Jul 2, 7:38 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	37 min
Jul 2, 8:09 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	51 min
Jul 2, 8:24 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	66 min
Jul 2, 8:28 PM CDT	Special Weather Statement	GLD	Sherman	32 min
Jul 2, 8:31 PM CDT	Flash Flood Warning	GLD	Sherman	3 hr
Jul 2, 8:53 PM CDT	Severe Thunderstorm Warning	GLD	Thomas	36 min
Jul 2, 8:59 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins	46 min
Jul 2, 9:20 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Sheridan, Thomas	55 min
Jul 2, 9:55 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Rawlins	21 min
Jul 2, 10:25 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Norton	50 min
Jul 2, 10:35 PM CDT	Tornado Warning	GLD	Decatur, Norton	16 min
Jul 2, 10:55 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Graham, Norton, Sheridan	65 min
Jul 2, 11:05 PM CDT	High Wind Warning	GLD	Cheyenne, Rawlins	98 min
Jul 2, 7:04 PM CDT	Severe Thunderstorm Warning	GLD	Dundy	36 min

Nearby

Flash Flood Warnings in Kansas, 2011 Flash Flood Warnings in Nebraska, 2011 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.