Alert archive / Colorado / Flash Flood Warnings in 2011

Flash Flood Warning 3, NWS Pueblo, CO

July 13, 2011El Paso County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 13, 2011, 10:35 PM MDT for El Paso 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 13, 2011, 10:35 PM MDT (04:35 UTC)
Expired
Jul 14, 2011, 1:08 AM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

County El Paso County, CO

The radar

The Pueblo radar (KPUX), 57 km from the middle of the area, began a volume at 04:38 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, 4.6 hours before the alert went out and 171 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 2011-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 856 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2011-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 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
856 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
2153 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

829 
WGUS55 KPUB 140435
FFWPUB
COC041-140730-
/O.NEW.KPUB.FF.W.0003.110714T0435Z-110714T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
1035 PM MDT WED JUL 13 2011

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL 130 AM MDT

* AT 1033 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. DOPPLER RADAR ESTIMATES BETWEEN 1 AND 2 INCHES OF     
  RAIN HAS FALLEN ACROSS CENTRAL EL PASO COUNTY WITH THE COLORADO    
  AIRPORT RECEIVING 1.89 INCHES OF RAINFALL OVER THE PAST HOUR. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  COLORADO SPRINGS...PETERSON AFB AND SECURITY.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
SAND CREEK...JIMMY CAMP CREEK...FOUNTAIN CREEK...SPRING CREEK AND
WILLIAMS CREEK.

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 3886 10460 3873 10460 3873 10475 3886 10476

$$
2 follow-up statements
100 
WGUS75 KPUB 140520
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1120 PM MDT WED JUL 13 2011

COC041-140730-
/O.CON.KPUB.FF.W.0003.000000T0000Z-110714T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
1120 PM MDT WED JUL 13 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL EL PASO COUNTY
UNTIL 130 AM MDT...

AT 1116 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUING TO MOVE SLOWLY TO 
EAST NORTHEAST ACROSS CENTRAL EL PASO COUNTY...INCLUDING SOUTHEAST 
PORTIONS OF COLORADO SPRINGS. THE COLORADO SPRINGS AIRPORT RECORDED 
2.04 INCHES OF RAIN OVER THE PAST HOUR WITH DOPPLER RADAR ESTIMATES 
OF BETWEEN 2 AND 3 INCHES ACROSS THE SAME AREA. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COLORADO SPRINGS...PETERSON AFB AND SECURITY.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...SAND 
CREEK...JIMMY CAMP CREEK...FOUNTAIN CREEK...SPRING CREEK AND 
WILLIAMS CREEK.

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 3886 10460 3873 10460 3873 10475 3886 10476

$$
869 
WGUS75 KPUB 140708
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
108 AM MDT THU JUL 14 2011

COC041-140723-
/O.CAN.KPUB.FF.W.0003.000000T0000Z-110714T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
108 AM MDT THU JUL 14 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL EL PASO
COUNTY 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 PUEBLO.

&&

LAT...LON 3886 10460 3873 10460 3873 10475 3886 10476

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 6:08 PM MDTSevere Thunderstorm WarningPUBFremont, Pueblo26 min
Jul 13, 6:14 PM MDTSevere Thunderstorm WarningPUBEl Paso61 min
Jul 13, 6:16 PM MDTSevere Thunderstorm WarningPUBPueblo34 min
Jul 13, 6:50 PM MDTSevere Thunderstorm WarningPUBEl Paso55 min
Jul 13, 7:00 PM MDTSevere Thunderstorm WarningPUBEl Paso60 min
Jul 13, 7:10 PM MDTAreal Flood AdvisoryPUBEl Paso64 min
Jul 13, 7:20 PM MDTAreal Flood AdvisoryPUBPueblo2 hr
Jul 13, 7:30 PM MDTSevere Thunderstorm WarningPUBPueblo45 min
Jul 13, 7:38 PM MDTSevere Thunderstorm WarningPUBEl Paso67 min
Jul 13, 8:09 PM MDTSevere Thunderstorm WarningPUBHuerfano, Las Animas, Pueblo22 min
Jul 13, 9:24 PM MDTAreal Flood AdvisoryPUBEl Paso3 hr
Jul 13, 9:49 PM MDTAreal Flood AdvisoryPUBPueblo3 hr
Jul 13, 10:27 PM MDTAreal Flood AdvisoryPUBEl Paso3 hr
Jul 13, 10:30 PM MDTSevere Thunderstorm WarningPUBEl Paso32 min
Jul 14, 2:08 PM MDTAreal Flood AdvisoryPUBLas Animas59 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.