Alert archive / Kansas / Flash Flood Warnings in 2012

Flash Flood Warning 1, NWS Goodland, KS

May 30, 2012Decatur County, Rawlins County, Kansas

NWS Goodland, KS issued this flash flood warning at May 30, 2012, 4:59 PM CDT for Decatur County, Rawlins 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 outline as issued.

The facts

Issued: May 30, 2012, 4:59 PM CDT (21:59 UTC)
Expired: May 30, 2012, 8:00 PM CDT
In force: 3 hr
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Flood severity: None

Counties Decatur County, KS, Rawlins County, KS

The radar

The Goodland radar (KGLD), 96 km from the middle of the area, began a volume at 22:01 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 12:00Z, 10.0 hours before the alert went out and 157 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1457 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 343 m²/s²
0-3 km storm-relative helicity: 487 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.

279 
WGUS53 KGLD 302159
FFWGLD
KSC039-153-310100-
/O.NEW.KGLD.FF.W.0001.120530T2159Z-120531T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
459 PM CDT WED MAY 30 2012

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL RAWLINS COUNTY IN NORTHWEST KANSAS...
  SOUTHWESTERN DECATUR COUNTY IN NORTHWEST KANSAS...

* UNTIL 800 PM CDT

* AT 459 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. RADAR ESTIMATES 2 TO 3 INCHES OF RAIN HAS FALLEN DUE  
  TO THIS SLOW MOVING STORM.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR.


LAT...LON 3974 10051 3958 10067 3967 10089 3985 10081

$$

JRM

1 follow-up statement

054 
WGUS73 KGLD 302343
FFSGLD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
543 PM MDT WED MAY 30 2012

KSC039-153-310100-
/O.CON.KGLD.FF.W.0001.000000T0000Z-120531T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RAWLINS KS-DECATUR KS-
643 PM CDT WED MAY 30 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHWESTERN DECATUR AND
EAST CENTRAL RAWLINS COUNTIES UNTIL 800 PM CDT...

AT 641 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
RAINFALL AMOUNTS UP TO 2 AND A HALF INCHES HAD FALLEN IN A SHORT 
TIME ACROSS PORTIONS OF EAST CENTRAL RAWLINS AND SOUTHWESTERN 
DECATUR COUNTY. THE HEAVY RAIN THREAT IS ENDING AS A COLD FRONT 
SWEEPS ACROSS THE AREA...BUT RUN OFF FROM THE HEAVY RAIN WILL 
CONTINUE TO CAUSE FLASH FLOODING THROUGH 8 PM CDT.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3974 10051 3958 10067 3967 10089 3985 10081

$$

JRM

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 3:39 PM CDT	Special Weather Statement	GLD	Thomas	21 min
May 30, 3:57 PM CDT	Special Weather Statement	GLD	Rawlins, Thomas	18 min
May 30, 4:01 PM CDT	Severe Thunderstorm Warning	GLD	Rawlins, Thomas	59 min
May 30, 4:18 PM CDT	Special Weather Statement	GLD	Thomas	12 min
May 30, 4:24 PM CDT	Severe Thunderstorm Warning	GLD	Sherman, Thomas	66 min
May 30, 4:29 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Rawlins, Sheridan, Thomas	61 min
May 30, 4:36 PM CDT	Severe Thunderstorm Warning	GLD	Rawlins	30 min
May 30, 5:05 PM CDT	Severe Thunderstorm Warning	GLD	Logan, Thomas	55 min
May 30, 5:15 PM CDT	Tornado Warning	GLD	Logan, Thomas	30 min
May 30, 5:18 PM CDT	Severe Thunderstorm Warning	GLD	Logan, Wallace, Wichita	43 min
May 30, 5:36 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Norton	20 min
May 30, 5:41 PM CDT	Severe Thunderstorm Warning	GLD	Decatur	46 min
May 30, 5:48 PM CDT	Special Weather Statement	GLD	Sheridan	27 min
May 30, 5:51 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Graham, Sheridan	39 min
May 30, 5:55 PM CDT	Severe Thunderstorm Warning	GLD	Logan, Wichita	54 min
May 30, 6:12 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Norton	37 min

Nearby

Flash Flood Warnings in Kansas, 2012 Every flash flood warning in 2012

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.