Alert archive / Colorado / Flash Flood Warnings in 2012

Flash Flood Warning 2, NWS Goodland, KS

June 4, 2012Kit Carson County, Colorado

NWS Goodland, KS issued this flash flood warning at Jun 4, 2012, 3:44 PM MDT for Kit Carson County, Colorado. It was in force for 82 min. 1 report 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
Jun 4, 2012, 3:44 PM MDT (21:44 UTC)
Expired
Jun 4, 2012, 5:06 PM MDT
In force
82 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Flood severity
None

County Kit Carson County, CO

The radar

The Goodland radar (KGLD), 49 km from the middle of the area, began a volume at 21:45 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

TimeReportWhereRemark
Jun 4, 3:58 PM MDTHEAVY RAIN 1.14Burlington, COMEASURED DURING THE PAST HOUR.

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 12:00Z, 9.7 hours before the alert went out and 105 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 12:00Z on 2012-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2012-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 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
19 J/kg
Mixed-layer CIN
-479 J/kg
Mixed-layer LCL
2396 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
19 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.

110 
WGUS53 KGLD 042144
FFWGLD
COC063-050030-
/O.NEW.KGLD.FF.W.0002.120604T2144Z-120605T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
344 PM MDT MON JUN 4 2012

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL KIT CARSON COUNTY IN EAST CENTRAL COLORADO...

* UNTIL 630 PM MDT

* AT 342 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. SPOTTERS REPORTED RAINFALL AMOUNTS OF 1.50 INCHES IN  
  THE PAST HOUR...WITH HEAVY RAINFALL IN PROGRESS. THIS SLOW MOVING  
  THUNDERSTORM WILL DROP VERY HEAVY RAINFALL IN THE BURLINGTON       
  AREA...INCLUDING INTERSTATE 70.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

&&

LAT...LON 3939 10213 3913 10212 3914 10248 3939 10247

$$

024
1 follow-up statement
437 
WGUS73 KGLD 042306
FFSGLD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
506 PM MDT MON JUN 4 2012

COC063-042321-
/O.CAN.KGLD.FF.W.0002.000000T0000Z-120605T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KIT CARSON CO-
506 PM MDT MON JUN 4 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EAST CENTRAL KIT
CARSON COUNTY IS CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA AND NO 
REPORTS OF FLOODING HAVE BEEN RECEIVED. THEREFORE THE FLASH FLOOD 
WARNING HAS BEEN CANCELLED.

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 3939 10213 3913 10212 3914 10248 3939 10247

$$

024

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 6:40 PM MDTSpecial Weather StatementGLDKit Carson20 min
Jun 3, 6:43 PM MDTSpecial Weather StatementGLDPhillips17 min
Jun 3, 7:00 PM MDTSpecial Weather StatementGLDKit Carson15 min
Jun 3, 7:13 PM MDTSpecial Weather StatementGLDPhillips17 min
Jun 3, 7:15 PM MDTSpecial Weather StatementGLDKit Carson15 min
Jun 3, 7:29 PM MDTSpecial Weather StatementGLDYuma16 min
Jun 4, 1:47 PM MDTSpecial Weather StatementGLDCheyenne58 min
Jun 4, 2:26 PM MDTSevere Thunderstorm WarningGLDKit Carson64 min
Jun 4, 2:39 PM MDTSpecial Weather StatementGLDCheyenne36 min
Jun 4, 3:30 PM MDTSpecial Weather StatementGLDKit Carson30 min

Nearby

Flash Flood Warnings in Colorado, 2012Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.