Alert archive / Colorado / Flash Flood Warnings in 2004

Flash Flood Warning 22, NWS Pueblo, CO

August 5, 2004Teller County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 5, 2004, 3:33 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
Aug 5, 2004, 3:33 PM MDT (21:33 UTC)
Expired
Aug 5, 2004, 6:30 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 21:34 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 12:00Z, 9.6 hours before the alert went out and 195 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 12:00Z on 2004-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 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 12:00Z on 2004-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
31 J/kg
Mixed-layer CIN
-393 J/kg
Mixed-layer LCL
1712 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
-17 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 052135
FFWPUB
COC119-060030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
333 PM MDT THU AUG 5 2004

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL 630 PM MDT

* AT 328 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  FLASH FLOODING FROM A THUNDERSTORM OVER THE HAYMAN BURN SCAR IN    
  NORTHWEST TELLER COUNTY ABOUT 26 MILES NORTHWEST OF COLORADO       
  SPRINGS...MOVING EAST AT 10 MPH.

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 10532 3901 10531 3905 10522 3912 10513

$$
3 follow-up statements
000 
WGUS75 KPUB 052231
FFSPUB
COC119-060030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
431 PM MDT THU AUG 5 2004

...THE FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE HAYMAN BURN 
SCAR IN TELLER COUNTY UNTIL 630 PM MDT THURSDAY EVENING...

AT 430 PM...DOPPLER RADAR INDICATED ONLY LIGHT RAIN SHOWERS WERE 
OCCURRING OVER THE HAYMAN BURN SCAR. HOWEVER...EARLIER THIS 
AFTERNOON RADAR ESTIMATED OVER 1 INCH OF RAIN HAS FALLEN OVER PARTS 
OF THE BURN SCAR. THERE IS A POSSIBILITY OF MORE LOCALLY HEAVY RAIN 
OVER THE BURN SCAR DURING THE REMAINDER OF THE AFTERNOON.

BE ALERT FOR FAST RISING WATER AND BE READY TO TAKE QUICK ACTION IF
NECESSARY. DO NOT DRIVE OR WALK INTO WATER OF UNKNOWN DEPTH. AS
LITTLE AS 6 INCHES OF WATER MAY CAUSE YOU TO LOSE CONTROL OF YOUR
VEHICLE...AND 2 FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES...
INCLUDING SUVS AND PICKUPS. NEARLY HALF OF ALL FLOOD FATALITIES ARE
VEHICLE RELATED. KEEP CHILDREN AND OTHERS AWAY FROM FAST FLOWING
WATER. FLOODING WILL OCCUR ALONG CREEKS...IN DRAINAGE AREAS...OVER
RURAL ROADS...IN NORMALLY DRY WASHES AND ARROYOS...AND OVER LOW LYING
LAND ALONG CREEK BANKS.

$$

HODANISH
000 
WGUS75 KPUB 052338
FFSPUB
COC119-060030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
534 PM MDT THU AUG 5 2004

...THE FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE HAYMAN BURN 
SCAR AREA IN TELLER COUNTY UNTIL 630 PM MDT THURSDAY EVENING...

AT 535 PM...DOPPLER RADAR CONTINUES TO INDICATE STEADY LIGHT RAIN 
SHOWERS WITH A FEW EMBEDDED THUNDERSTORMS OCCURRING OVER THE HAYMAN 
BURN SCAR REGION. BETWEEN 430 PM AND 530 PM...RADAR AND SURFACE 
REPORTS INDICATE GENERALLY ONE TENTH OF AN INCH OF RAIN HAS FALLEN. 
HOWEVER...BETWEEN 3 PM AND 4 PM...RAINFALL AMOUNTS OF AN INCH WERE 
ESTIMATED BY RADAR. 

LIGHT RAIN SHOWERS WITH ONE OR TWO EMBEDDED THUNDERSTORMS MAY BE 
POSSIBLE INTO THE EARLY EVENING HOURS ACROSS THE HAYMAN BURN SCAR 
AREA. 

BE ALERT FOR FAST RISING WATER AND BE READY TO TAKE QUICK ACTION IF
NECESSARY. DO NOT DRIVE OR WALK INTO WATER OF UNKNOWN DEPTH. AS
LITTLE AS 6 INCHES OF WATER MAY CAUSE YOU TO LOSE CONTROL OF YOUR
VEHICLE...AND 2 FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES...
INCLUDING SUVS AND PICKUPS. NEARLY HALF OF ALL FLOOD FATALITIES ARE
VEHICLE RELATED. KEEP CHILDREN AND OTHERS AWAY FROM FAST FLOWING
WATER. FLOODING WILL OCCUR ALONG CREEKS...IN DRAINAGE AREAS...OVER
RURAL ROADS...IN NORMALLY DRY WASHES AND ARROYOS...AND OVER LOW LYING
LAND ALONG CREEK BANKS.

$$
000 
WGUS75 KPUB 060029
FFSPUB
COC119-060045-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
626 PM MDT THU AUG 5 2004

...THE FLASH FLOOD WARNING FOR THE HAYMAN BURN SCAR AREA IN TELLER 
COUNTY HAS BEEN ALLOWED TO EXPIRE...

AT 630 PM...RADAR INDICATED RAIN SHOWERS IN THE HAYMAN BURN SCAR 
AREA WERE DECREASING. NO MORE ADDITIONAL FLOODING IS EXPECTED IN THE 
HAYMAN BURN AREA THE REST OF THE NIGHT. 


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 6:04 PM MDTSevere Thunderstorm WarningPUBEl Paso56 min
Aug 4, 6:13 PM MDTSevere Thunderstorm WarningPUBBent, Otero62 min
Aug 4, 7:03 PM MDTSevere Thunderstorm WarningPUBEl Paso57 min
Aug 4, 8:29 PM MDTFlash Flood WarningPUBEl Paso2 hr
Aug 5, 3:37 AM MDTFlash Flood WarningPUBBent, Otero4 hr
Aug 5, 3:11 PM MDTFlash Flood WarningPUBLas Animas3 hr

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.