Alert archive / Colorado / Flash Flood Warnings in 2013

Flash Flood Warning 18, NWS Pueblo, CO

August 10, 2013Fremont County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 10, 2013, 6:03 PM MDT for Fremont 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
Aug 10, 2013, 6:03 PM MDT (00:03 UTC)
Expired
Aug 10, 2013, 9:00 PM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

County Fremont County, CO

The radar

The Pueblo radar (KPUX), 99 km from the middle of the area, began a volume at 00:03 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 (KDEN), launched 00:00Z, 0.1 hours before the alert went out and 238 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 2013-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 2013-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3477 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
51 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.

657 
WGUS55 KPUB 110003
FFWPUB
COC043-110300-
/O.NEW.KPUB.FF.W.0018.130811T0003Z-130811T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
603 PM MDT SAT AUG 10 2013

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL FREMONT COUNTY IN CENTRAL COLORADO...

* UNTIL 900 PM MDT

* AT 601 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING ACROSS   
  THE ROYAL GORGE BURN SCAR. RADAR RAINFALL RATES WITH THIS STORM    
  RANGED BETWEEN 1.00 AND 1.25 INCHES PER HOUR

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO   
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING                
  INCLUDE...AREAS IN AND AROUND ROYAL GORGE...AND HIGHWAY 50 BETWEEN 
  CANON CITY AND PARKDALE. 

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
ARKANSAS RIVER...COPPER GULCH...CURRANT CREEK AND WILSON CREEK.

JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY THE SOILS AND
VEGETATION...RUNS OFF ALMOST INSTANTLY. THIS CAUSES CREEKS AND
DRAINAGE AREAS TO FLOOD AT A MUCH FASTER RATE THAN NORMAL. IN
ADDITION...THE SOILS IN A BURN SCAR BECOME UNSTABLE WHEN IT RAINS...
SOMETIMES RESULTING IN DEBRIS AND FALLING ROCK. ROADS CAN BE WASHED
OUT BY THE FORCE OF THE RUSHING WATER AND DEBRIS.

LAT...LON 3852 10527 3844 10526 3842 10531 3847 10548

$$
4 follow-up statements
788 
WGUS75 KPUB 110018
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
618 PM MDT SAT AUG 10 2013

COC043-110300-
/O.CON.KPUB.FF.W.0018.000000T0000Z-130811T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
618 PM MDT SAT AUG 10 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL FREMONT COUNTY
UNTIL 900 PM MDT...

AT 615 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE ROYAL GORGE BURN 
SCAR AREA. RADAR HAS ESTIMATED UP TO 0.75 INCHES OF RAIN HAS FALLEN 
BETWEEN 555 PM AND 612 PM. THIS WILL CAUSE SIGNIFICANT FLASH 
FLOODING IN AND AROUND THE ROYAL GORGE BURN SCAR. COPPER GULCH ALONG 
THE PARKDALE HILL WILL LIKELY FLOOD. TRAVEL IS STRONGLY DISCOURAGED 
ALONG HIGHWAY 50 BETWEEN CANON CITY AND PARKDALE. THIS SAME GULCH 
FLOODED YESTERDAY WHEN A STRONG THUNDERSTORM MOVED THROUGH.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
ARKANSAS RIVER...GRAPE CREEK...COPPER GULCH...CURRANT CREEK AND
WILSON CREEK.

JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY THE SOILS AND
VEGETATION...RUNS OFF ALMOST INSTANTLY. THIS CAUSES CREEKS AND
DRAINAGE AREAS TO FLOOD AT A MUCH FASTER RATE THAN NORMAL. IN
ADDITION...THE SOILS IN A BURN SCAR BECOME UNSTABLE WHEN IT RAINS...
SOMETIMES RESULTING IN DEBRIS AND FALLING ROCK. ROADS CAN BE WASHED
OUT BY THE FORCE OF THE RUSHING WATER AND DEBRIS.

LAT...LON 3852 10527 3844 10526 3842 10531 3847 10548

$$
843 
WGUS75 KPUB 110039
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
639 PM MDT SAT AUG 10 2013

COC043-110300-
/O.CON.KPUB.FF.W.0018.000000T0000Z-130811T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
639 PM MDT SAT AUG 10 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL FREMONT COUNTY
UNTIL 900 PM MDT...

AT 636 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE 
HEAVY RAIN HAS MOVED OFF OF THE ROYAL GORGE BURN SCAR. RADAR HAS 
ESTIMATED THAT 0.5 TO 1.25 INCHES OF RAIN HAS FALLEN ON THE NORTH 
SIDE OF THE ROYAL GORGE BURN SCAR. THIS RAINFALL WILL LIKELY CAUSE 
FLASH FLOODING...ESPECIALLY ALONG COPPER GULCH. HIGHWAY 50 OVER 
PARKDALE HILL WILL LIKELY BE FLOODED DUE TO THIS HEAVY RAIN. 

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
ARKANSAS RIVER...GRAPE CREEK...COPPER GULCH...CURRANT CREEK AND
WILSON CREEK.

JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY THE SOILS AND
VEGETATION...RUNS OFF ALMOST INSTANTLY. THIS CAUSES CREEKS AND
DRAINAGE AREAS TO FLOOD AT A MUCH FASTER RATE THAN NORMAL. IN
ADDITION...THE SOILS IN A BURN SCAR BECOME UNSTABLE WHEN IT RAINS...
SOMETIMES RESULTING IN DEBRIS AND FALLING ROCK. ROADS CAN BE WASHED
OUT BY THE FORCE OF THE RUSHING WATER AND DEBRIS.

LAT...LON 3852 10527 3844 10526 3842 10531 3847 10548

$$
842 
WGUS75 KPUB 110113
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
713 PM MDT SAT AUG 10 2013

COC043-110300-
/O.CON.KPUB.FF.W.0018.000000T0000Z-130811T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
713 PM MDT SAT AUG 10 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL FREMONT COUNTY
UNTIL 900 PM MDT...

AT 712 PM MDT...DOPPLER RADAR INDICATES THAT ALL OF THE RAIN HAS 
ENDED ACROSS THE ROYAL GORGE BURN SCAR...AND NO MORE HEAVY RAIN IS 
EXPECTED. HIGH WATER IS LIKELY STILL OCCURRING IN AREAS IN AND 
AROUND THE ROYAL GORGE BURN SCAR...ESPECIALLY AREAS IN AND AROUND 
COPPER GULCH. 

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
ARKANSAS RIVER...GRAPE CREEK...COPPER GULCH...CURRANT CREEK AND
WILSON CREEK.

JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY THE SOILS AND
VEGETATION...RUNS OFF ALMOST INSTANTLY. THIS CAUSES CREEKS AND
DRAINAGE AREAS TO FLOOD AT A MUCH FASTER RATE THAN NORMAL. IN
ADDITION...THE SOILS IN A BURN SCAR BECOME UNSTABLE WHEN IT RAINS...
SOMETIMES RESULTING IN DEBRIS AND FALLING ROCK. ROADS CAN BE WASHED
OUT BY THE FORCE OF THE RUSHING WATER AND DEBRIS.

LAT...LON 3852 10527 3844 10526 3842 10531 3847 10548

$$
857 
WGUS75 KPUB 110211
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
811 PM MDT SAT AUG 10 2013

COC043-110226-
/O.CAN.KPUB.FF.W.0018.000000T0000Z-130811T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
811 PM MDT SAT AUG 10 2013

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL FREMONT
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.

JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY THE SOILS AND
VEGETATION...RUNS OFF ALMOST INSTANTLY. THIS CAUSES CREEKS AND
DRAINAGE AREAS TO FLOOD AT A MUCH FASTER RATE THAN NORMAL. IN
ADDITION...THE SOILS IN A BURN SCAR BECOME UNSTABLE WHEN IT RAINS...
SOMETIMES RESULTING IN DEBRIS AND FALLING ROCK. ROADS CAN BE WASHED
OUT BY THE FORCE OF THE RUSHING WATER AND DEBRIS.

LAT...LON 3852 10527 3844 10526 3842 10531 3847 10548

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 8:10 PM MDTAreal Flood AdvisoryPUBPueblo3 hr
Aug 11, 3:44 PM MDTAreal Flood AdvisoryPUBEl Paso106 min
Aug 11, 4:02 PM MDTFlash Flood WarningPUBEl Paso3 hr
Aug 11, 4:19 PM MDTAreal Flood AdvisoryPUBMineral3 hr
Aug 11, 5:00 PM MDTAreal Flood AdvisoryPUBEl Paso3 hr

Nearby

Flash Flood Warnings in Colorado, 2013Every flash flood warning in 2013

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.