Alert archive / Colorado / Flash Flood Warnings in 2004

Flash Flood Warning 16, NWS Pueblo, CO

July 16, 2004Teller County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 16, 2004, 6:49 PM MDT for Teller 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 16, 2004, 6:49 PM MDT (00:49 UTC)
Expired
Jul 16, 2004, 9:45 PM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Counties, with a storm outline in the text

County Teller County, CO

The radar

The Denver radar (KFTG), 99 km from the middle of the area, began a volume at 00:51 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, 0.8 hours before the alert went out and 194 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 2004-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 355 joules per kilogram.LCLEL10008507005003002001001 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 2004-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 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
355 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
566 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
16 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.

000 
WGUS55 KPUB 170051
FFWPUB
COC119-170345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
649 PM MDT FRI JUL 16 2004

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE HAYMAN BURN SCAR IN NORTHWESTERN TELLER COUNTY

* UNTIL 945 PM MDT

* AT 647 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  FLASH FLOODING FROM THUNDERSTORMS OVER NORTHWEST TELLER 
  COUNTY.  THE STORMS WERE MOVING SOUTHEAST AROUND 5 MPH.

* THE THUNDERSTORM PRODUCING FLASH FLOODING WILL BE...
   OVER RURAL NORTHWEST TELLER COUNTY THROUGH 800 PM MDT

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.

JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY VEGETATION...RUNS OFF
ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A
MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS IN A BURN SCAR
BECOME VERY UNSTABLE WHEN IT RAINS. ENTIRE HILLSIDES CAN BREAK
AWAY...CREATING DEVASTATING ROCK SLIDES...MUDSLIDES...AND DEBRIS
FLOWS. ROADWAYS ARE OFTEN DESTROYED BY THE POWERFUL FORCE OF THE
RUSHING WATER AND DEBRIS...ESPECIALLY IF THEY PASS THROUGH A CREEK
BED OR OTHER DRAINAGE AREA.

LAT...LON 3913 10531 3900 10533 3905 10519 3912 10512

$$
3 follow-up statements
000 
WGUS75 KPUB 170142
FFSPUB
COC119-170345-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
738 PM MDT FRI JUL 16 2004

...THE FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE HAYMAN BURN 
SCAR IN NORTHWEST TELLER COUNTY UNTIL 945 PM MDT FRIDAY EVENING...

FLASH FLOODING EARLIER HAS RESULTED IN ROAD CLOSURES IN PORTIONS OF 
THE HAYMAN BURN SCAR...INCLUDING THE AREA OF TURKEY ROCK RANCH 
ESTATES.  MODERATE RAINFALL WILL CONTINUE FALLING THROUGH AT LEAST 
900 PM...WITH RAPID RUNOFF EXPECTED TO CONTINUE ALONG WITH THE 
POSSIBILITY OF ADDITIONAL MUDSLIDES.

JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY VEGETATION...RUNS OFF
ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A
MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS IN A BURN SCAR
BECOME VERY UNSTABLE WHEN IT RAINS. ENTIRE HILLSIDES CAN BREAK
AWAY...CREATING DEVASTATING ROCK SLIDES...MUDSLIDES...AND DEBRIS
FLOWS. ROADWAYS ARE OFTEN DESTROYED BY THE POWERFUL FORCE OF THE
RUSHING WATER AND DEBRIS...ESPECIALLY IF THEY PASS THROUGH A CREEK
BED OR OTHER DRAINAGE AREA.

$$
000 
WGUS75 KPUB 170242
FFSPUB
COC119-170345-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
835 PM MDT FRI JUL 16 2004

...THE FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE HAYMAN BURN 
SCAR IN NORTHWEST TELLER COUNTY UNTIL 945 PM MDT THIS EVENING...

RADAR AT 830 PM INDICATES LIGHT RAIN SHOWERS WERE STILL OCCURRING 
OVER THE HAYMAN BURN SCAR. THIS LIGHT RAIN..WITH OCCASIONAL MODERATE 
SHOWERS...WILL BE POSSIBLE THROUGH THE NIGHT TIME HOURS. FLASH 
FLOODING HAS OCCURRED EARLIER TODAY...AND SMALL EARTHEN DAMS HAVE 
FAILED ALONG TURKEY CREEK. NUMEROUS ROADS HAVE BEEN WASHED OUT DUE 
TO THE FLOODING. 

DUE TO THE VERY WET GROUND...MORE MUDSLIDES ARE POSSIBLE. PLEASE USE 
EXTREME CAUTION IF TRAVELING IN THE BURN SCAR REGION.

IF NO MORE STEADY OR HEAVY RAIN DEVELOPS...THEN THE FLASH FLOOD 
WARNING WILL BE PERMITTED TO EXPIRE AT 945 PM THIS EVENING.

$$
000 
WGUS75 KPUB 170353
FFSPUB
COC119-170415-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
945 PM MDT FRI JUL 16 2004

...THE FLASH FLOOD WARNING FOR THE HAYMAN BURN SCAR IN NORTHWEST 
TELLER COUNTY HAS EXPIRED...

LIGHT RAIN SHOWERS CONTINUE ACROSS THE HAYMAN BURN SCAR. SINCE HEAVY 
RAIN IS NOT ANTICIPATED...THE FLASH FLOOD WARNING HAS BEEN ALLOWED 
TO EXPIRE AT 945 PM.

PEOPLE IN AND AROUND THE BURN SCAR REGION SHOULD USE EXTREME CAUTION 
DUE THE THE SATURATED GROUND. MANY ROADWAYS IN THE BURN SCAR REGION 
HAVE BEEN DAMAGED DUE TO THE EARLIER RAINS.

THERE IS A POSSIBILITY THAT HEAVY RAINS MAY AGAIN DEVELOP SATURDAY 
AFTERNOON WHICH COULD CAUSE ADDITIONAL FLOODING PROBLEMS IN THE 
HAYMAN BURN SCAR REGION IN TELLER COUNTY.

$$

HODANISH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 6:45 PM MDTFlash Flood WarningPUBHuerfano, Pueblo3 hr
Jul 17, 2:31 PM MDTSevere Thunderstorm WarningPUBLas Animas59 min
Jul 17, 3:29 PM MDTSevere Thunderstorm WarningPUBLas Animas61 min

Nearby

Flash Flood Warnings in Colorado, 2004Every flash flood warning in 2004

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.