Alert archive / Colorado / Flash Flood Warnings in 2011

Flash Flood Warning 18, NWS Pueblo, CO

September 14, 2011El Paso County, Teller County, Colorado

NWS Pueblo, CO issued this flash flood warning at Sep 14, 2011, 7:28 PM MDT for El Paso County, Teller County, Colorado. It was in force for 2 hr. 17 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
Sep 14, 2011, 7:28 PM MDT (01:28 UTC)
Expired
Sep 14, 2011, 9:30 PM MDT
In force
2 hr
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

Counties El Paso County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 61 km from the middle of the area, began a volume at 01:28 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
Sep 14, 7:36 PM MDTHEAVY RAIN 1.17Sw Colorado Springs, CO
Sep 14, 7:36 PM MDTHEAVY RAIN 1.19Monument, CO
Sep 14, 7:36 PM MDTHEAVY RAIN 1.24Manitou Springs, CO
Sep 14, 7:36 PM MDTHEAVY RAIN 1.63Fountain, CO
Sep 14, 7:36 PM MDTHEAVY RAIN 25 Ene Colorado Springs, CO
Sep 14, 7:36 PM MDTHEAVY RAIN 2.026 E Colorado Springs, CO
Sep 14, 7:36 PM MDTHEAVY RAIN 2.2212 N Colorado Springs, CO
Sep 14, 7:36 PM MDTHEAVY RAIN 2.6Falcon, CO
Sep 14, 7:56 PM MDTHEAVY RAIN 3.023 S Air Force Academy, CO
Sep 14, 8:20 PM MDTHEAVY RAIN 1.693 Sw Colorado Springs, CO
Sep 14, 8:47 PM MDTHEAVY RAIN 1.53 Nne Fountain, CO
Sep 14, 9:03 PM MDTHEAVY RAIN 2.76 Ne Colorado Springs, COAT FLINTRIDGE AND DUBLIN
Sep 14, 9:14 PM MDTHEAVY RAIN 2.013 Wsw Colorado Springs, CO
Sep 14, 9:17 PM MDTHEAVY RAIN 2.574 Nne Colorado Springs, COUPDATED TOTAL
Sep 14, 9:31 PM MDTHEAVY RAIN 2.725 Ene Colorado Springs, COUPDATED TOTAL
Sep 14, 9:31 PM MDTHEAVY RAIN 2.81Falcon, COUPDATED TOTAL
Sep 14, 9:31 PM MDTHEAVY RAIN 2.866 E Colorado Springs, COUPDATED TOTAL

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, 1.5 hours before the alert went out and 163 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 2011-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 00:00Z on 2011-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
13 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
593 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
24 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.

035 
WGUS55 KPUB 150128
FFWPUB
COC041-119-150330-
/O.NEW.KPUB.FF.W.0018.110915T0128Z-110915T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
728 PM MDT WED SEP 14 2011

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN TELLER COUNTY IN CENTRAL COLORADO...
  WESTERN EL PASO COUNTY IN EAST CENTRAL COLORADO...

* UNTIL 930 PM MDT

* AT 724 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THAT SHOWERS...SOME HEAVY...CONTINUED TO TRACK ACROSS THE WARNED   
  AREA. 2 TO 2.75 OF RAIN HAS FALLEN ACROSS PORTIONS OF THE          
  AREA...WITH ADDITIONAL RAINFALL OF A HALF INCH OR MORE POSSIBLE    
  THROUGH 930 PM MDT.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  COLORADO SPRINGS...AIR FORCE ACADEMY...BLACK FOREST...CASCADE...
  CHIPITA PARK...CRYSTOLA...ELLICOTT...FALCON...FOUNTAIN...GREEN
  MOUNTAIN FALLS...MANITOU SPRINGS...MONUMENT...PALMER LAKE...
  PETERSON AFB...PEYTON...SCHRIEVER AFB...SECURITY AND WOODLAND PARK.

THIS FLASH FLOOD WARNING CONTINUES AND EXTENDS THE PREVIOUS WARNING 
THAT WAS IN EFFECT.

NUMEROUS REPORTS OF FLASH FLOODING HAVE BEEN REPORTED BY LOCAL 
BROADCAST MEDIA...INCLUDING DEEP...RAPIDLY FLOWING WATER FLOWING 
OVER THE ROAD AT DATE AND SIFRED STREETS...NEAR AUSTIN BLUFFS AND 
ACADEMY...WITH WATER HALF WAY UP THE DOOR OF AN ABANDON VEHICLE.

IN ADDITION...FOUNTAIN CREEK AT NEVADA AVENUE IN COLORADO SPRINGS IS 
NEAR MINOR FLOOD STAGE...WITH MINOR FLOODING OF LOWLANDS ALONG THE 
RIVER OCCURRING.

MONUMENT CREEK...INCLUDING THE AREA NEAR THE CONFLUENCE WITH 
FOUNTAIN CREEK...IS ALSO FLOWING AT BANKFULL LEVELS...WITH SOME
MINOR OVERBANK FLOW OCCURRING.

NUMEROUS INTERSECTIONS ARE UNDER POOLED WATER OF UNKNOWN DEPTH... 
WITH FLOWING WATER IN SOME CASES.

THIS WARNING INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...FOUNTAIN 
CREEK...MONUMENT CREEK...AND ALL TRIBUTARY STREAMS.

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.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS... OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING
STREAM... EVEN A SMALL ONE...ON FOOT OR IN A VEHICLE.

&&

LAT...LON 3912 10433 3852 10443 3852 10486 3912 10517

$$
1 follow-up statement
597 
WGUS75 KPUB 150235
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
835 PM MDT WED SEP 14 2011

COC041-119-150330-
/O.CON.KPUB.FF.W.0018.000000T0000Z-110915T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TELLER CO-EL PASO CO-
835 PM MDT WED SEP 14 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WESTERN EL PASO AND
NORTHEASTERN TELLER COUNTIES UNTIL 930 PM MDT...

AT 826 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
A NEW ROUND OF HEAVY RAIN WAS MOVING INTO THE AREA.  RAINFALL 
AMOUNTS OF 2 TO 3 INCHES HAVE ALREADY FALLEN OVER MUCH OF THE WARNED 
AREA.  ADDITIONAL RAINFALL AMOUNTS OF A HALF INCH OR MORE WILL BE 
POSSIBLE WITH THE NEW ROUND OF STORMS THROUGH 930 PM MDT.

SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...COLORADO
SPRINGS...AIR FORCE ACADEMY...BLACK FOREST...CASCADE...CHIPITA
PARK...CRYSTOLA...ELLICOTT...FALCON...FOUNTAIN...GREEN MOUNTAIN
FALLS...MANITOU SPRINGS...MONUMENT...PALMER LAKE...PETERSON AFB...
PEYTON...SCHRIEVER AFB...SECURITY AND WOODLAND PARK.

NUMEROUS REPORTS OF FLASH FLOODING HAVE BEEN REPORTED BY LOCAL 
BROADCAST MEDIA...INCLUDING DEEP...RAPIDLY FLOWING WATER FLOWING 
OVER THE ROAD AT DATE AND SIFRED STREETS...NEAR AUSTIN BLUFFS AND 
ACADEMY...WITH WATER HALF WAY UP THE DOOR OF AN ABANDON VEHICLE.

IN ADDITION...FOUNTAIN CREEK AT NEVADA AVENUE IN COLORADO SPRINGS IS 
NEAR MINOR FLOOD STAGE...WITH MINOR FLOODING OF LOWLANDS ALONG THE 
RIVER OCCURRING.

THE FLOOD WAVE HAS MOVED DOWNSTREAM TO THE FOUNTAIN CREEK NEAR 
FOUNTAIN...WHERE THE RIVER IS EXPECTED TO RISE ABOVE MINOR FLOOD 
STAGE THIS EVENING...FLOODING LOWLAND AGRICULTURAL AREAS ALONG THE 
RIVER.  

MONUMENT CREEK...INCLUDING THE AREA NEAR THE CONFLUENCE WITH 
FOUNTAIN CREEK...IS ALSO FLOWING AT BANKFULL LEVELS...WITH SOME
MINOR OVERBANK FLOW OCCURRING.

NUMEROUS INTERSECTIONS ARE UNDER POOLED WATER OF UNKNOWN DEPTH... 
WITH FLOWING WATER IN SOME CASES.

THIS WARNING INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...FOUNTAIN 
CREEK...MONUMENT CREEK...AND ALL TRIBUTARY STREAMS.

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.

MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE
ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON
FOOT OR IN A VEHICLE.

IN HILLY TERRAIN...THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH
ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL
ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW
INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

&&

LAT...LON 3912 10433 3852 10443 3852 10486 3912 10517

$$

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 14, 7:43 PM MDTRiver Flood WarningPUBEl Paso13 hr
Sep 14, 9:28 PM MDTFlash Flood WarningPUBEl Paso, Teller3 hr
Sep 14, 10:07 PM MDTRiver Flood WarningPUBPueblo21 hr
Sep 15, 12:26 AM MDTAreal Flood WarningPUBEl Paso3 hr
Sep 15, 2:26 AM MDTRiver Flood WarningPUBPueblo28 hr
Sep 15, 3:24 AM MDTAreal Flood AdvisoryPUBEl Paso100 min

Nearby

Flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.