Alert archive / Colorado / Flash Flood Warnings in 2013

Flash Flood Warning 8, NWS Pueblo, CO

July 14, 2013El Paso County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 14, 2013, 9:07 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 14, 2013, 9:07 PM MDT (03:07 UTC)
Expired
Jul 15, 2013, 12:00 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), 76 km from the middle of the area, began a volume at 03:11 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, 3.1 hours before the alert went out and 153 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 2013-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 182 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 2013-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
182 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1649 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
-33 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.

329 
WGUS55 KPUB 150307
FFWPUB
COC041-150600-
/O.NEW.KPUB.FF.W.0008.130715T0307Z-130715T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
907 PM MDT SUN JUL 14 2013

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL MIDNIGHT MDT

* AT 901 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS PRODUCING HEAVY RAIN MOVING IN FROM ELBERT COUNTY.   
  THIS HEAVY RAIN WILL MAINLY EFFECT THE EAST SIDE OF THE BLACK      
  FOREST BURN SCAR. RAINFALL AMOUNTS OF 1 TO 2 INCHES WAS ESTIMATED  
  FROM DOPPLER RADAR OVER WESTERN ELBERT COUNTY...AND THIS HEAVY     
  RAIN WAS MOVING TOWARDS THE EAST SIDE OF THE BLACK FOREST BURN     
  SCAR. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN ADDITIONAL 1 TO 2 INCHES OF RAIN COULD OCCUR OVER THE EASTERN 
SECTIONS OF THE BLACK FOREST BURN SCAR. 

&&

LAT...LON 3911 10455 3894 10457 3894 10481 3911 10477

$$
3 follow-up statements
003 
WGUS75 KPUB 150334
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
934 PM MDT SUN JUL 14 2013

COC041-150600-
/O.CON.KPUB.FF.W.0008.000000T0000Z-130715T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
934 PM MDT SUN JUL 14 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTH CENTRAL EL PASO
COUNTY UNTIL MIDNIGHT MDT...

AT 931 PM MDT...RADAR INDICATED THAT THE HEAVIER RAIN OVER THE 
EASTERN SECTIONS OF THE BLACK FOREST BURN SCAR HAS DISSIPATED. RADAR 
ESTIMATED UP TO 0.75 INCHES OF RAIN HAS FALLEN OVER THE BLACK FOREST 
BURN SCAR...MAINLY OVER THE FAR SOUTHEASTERN SECTIONS. LIGHT TO 
MODERATE RAIN WILL BE POSSIBLE OVER THE BURN SCAR THROUGH 11 PM. 

AT 931 PM...NO ADDITIONAL HEAVY RAIN WAS NOTED UPSTREAM OVER THE 
BLACK FOREST BURN SCAR. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...AREAS IN AND 
AROUND THE BLACK FOREST BURN SCAR. 

LAT...LON 3911 10455 3894 10457 3894 10481 3911 10477

$$
622 
WGUS75 KPUB 150420
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1020 PM MDT SUN JUL 14 2013

COC041-150600-
/O.CON.KPUB.FF.W.0008.000000T0000Z-130715T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
1020 PM MDT SUN JUL 14 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTH CENTRAL EL PASO
COUNTY UNTIL MIDNIGHT MDT...

AT 1018 PM MDT...DOPPLER RADAR STEADY LIGHT RAIN OVER THE BLACK 
FOREST BURN SCAR. THIS RAIN IS EXPECTED TO COME TO AN END AFTER 11 
PM. MINOR FLOODING IS STILL POSSIBLE ACROSS THE BLACK FOREST BURN 
AREA UNTIL THROUGH MIDNIGHT TONIGHT. 

COMPUTER SIMULATIONS SHOW THAT MORE HEAVY RAIN MAY OCCUR TOWARDS 
SUNRISE ACROSS THE BLACK FOREST BURN AREA.

LAT...LON 3911 10455 3894 10457 3894 10481 3911 10477

$$
896 
WGUS75 KPUB 150444
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1044 PM MDT SUN JUL 14 2013

COC041-150459-
/O.CAN.KPUB.FF.W.0008.000000T0000Z-130715T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
1044 PM MDT SUN JUL 14 2013

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR THE BLACK FOREST 
BURN SCAR REGION 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 3911 10455 3894 10457 3894 10481 3911 10477

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 7:22 PM MDTAreal Flood AdvisoryPUBEl Paso3 hr
Jul 14, 7:48 PM MDTFlash Flood WarningPUBEl Paso3 hr
Jul 14, 8:01 PM MDTAreal Flood AdvisoryPUBChaffee3 hr
Jul 14, 8:22 PM MDTAreal Flood AdvisoryPUBEl Paso3 hr
Jul 14, 8:26 PM MDTAreal Flood AdvisoryPUBCuster, Huerfano, Pueblo3 hr
Jul 14, 10:00 PM MDTFlash Flood WarningPUBCuster, Huerfano, Pueblo3 hr
Jul 15, 4:29 AM MDTAreal Flood AdvisoryPUBHuerfano, Las Animas3 hr
Jul 15, 5:57 AM MDTAreal Flood AdvisoryPUBCuster, Huerfano, Pueblo3 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.