Alert archive / Colorado / Flash Flood Warnings in 2004

Flash Flood Warning 27, NWS Pueblo, CO

August 18, 2004Teller County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 18, 2004, 1:42 PM MDT for Teller County, Colorado. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 18, 2004, 1:42 PM MDT (19:42 UTC)
Expired
Aug 18, 2004, 4:30 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), 96 km from the middle of the area, began a volume at 19:45 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.

What was reported inside it

TimeReportWhereRemark
Aug 18, 3:40 PM MDTFLOOD6 N Woodland Park, CO4 INCHES OVER TOP OF ROAD ON HIGHWAY 67.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 7.7 hours before the alert went out and 190 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 2004-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2004-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2142 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
18 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 181944
FFWPUB
COC119-182230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
142 PM MDT WED AUG 18 2004

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN TELLER COUNTY IN CENTRAL COLORADO

* UNTIL 430 PM MDT

* AT 138 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM OVER NORTH CENTRAL TELLER
  COUNTY...OR ABOUT 27 MILES NORTHWEST OF COLORADO SPRINGS...MOVING  
  NORTHEAST AT 10 MPH. THIS STORM IS OVER THE HAYMAN BURN SCAR.

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

IF YOU ARE IN OR CLOSE TO THE WARNED AREA GO TO HIGHER GROUND
IMMEDIATELY. PEOPLE ALONG CREEKS AND DRAINAGE AREAS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATER OR STILL WATER OF UNKNOWN DEPTH ON FOOT
OR BY VEHICLE. 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. IF YOUR VEHICLE STALLS IN WATER
ABANDON IT IMMEDIATELY AND GO TO HIGHER GROUND. BE ESPECIALLY
CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF
FLOODING.

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 3912 10531 3897 10522 3904 10503 3912 10505

$$
2 follow-up statements
000 
WGUS75 KPUB 182001
FFSPUB
COC119-182230-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
158 PM MDT WED AUG 18 2004

...THE FLASH FLOOD WARNING REMAINS IN EFFECT FOR (THE HAYMAN BURN 
SCAR IN NORTHWEST TELLER COUNTY UNTIL 430 PM MDT WEDNESDAY 
AFTERNOON...

SHOWERS AND THUNDERSTORMS CONTINUE OVER THE HAYMAN BURN SCAR. SOME 
OF THESE STORMS WILL PRODUCE VERY HEAVY RAINFALL IN A SHORT AMOUNT 
OF TIME...WITH OTHER STORMS NEAR THE AREA TODAY PRODUCING HALF TO 
THREE QUARTERS OF AN INCH OF RAIN IN HALF AN HOUR.

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.

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.

WATCH FOR ROCKSLIDES AND MUDSLIDES IN STEEP TERRAIN. WHEN DRIVING...
SLOW DOWN TO AVOID HITTING ROCKS AND MUD ON THE ROADWAY.

$$
000 
WGUS75 KPUB 182126
FFSPUB
COC119-182230-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
321 PM MDT WED AUG 18 2004

...THE FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE HAYMAN BURN 
SCAR UNTIL 430 PM MDT WEDNESDAY AFTERNOON...

SHOWERS AND THUNDERSTORMS CONTINUE OVER THE HAYMAN BURN SCAR. RADAR 
INDICATES THAT UP TO TWO INCHES OF RAIN HAS FALLEN OVER THE TRAIL 
CREEK AND LITTLE TURKEY CREEK BASINS SINCE 130 PM.

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.

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.

WATCH FOR ROCKSLIDES AND MUDSLIDES IN STEEP TERRAIN. WHEN DRIVING...
SLOW DOWN TO AVOID HITTING ROCKS AND MUD ON THE ROADWAY.

$$

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.