Alert archive / Colorado / Flash Flood Warnings in 2004

Flash Flood Warning 19, NWS Pueblo, CO

August 4, 2004El Paso County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 4, 2004, 8:29 PM MDT for El Paso County, Colorado. It was in force for 2 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 4, 2004, 8:29 PM MDT (02:29 UTC)
Expired
Aug 4, 2004, 10:30 PM MDT
In force
2 hr
Issued by
NWS Pueblo, CO
Area
Counties, with a storm outline in the text

County El Paso County, CO

The radar

The Pueblo radar (KPUX), 57 km from the middle of the area, began a volume at 02:32 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, 2.5 hours before the alert went out and 167 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 2004-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 365 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 2004-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -44 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
365 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
2609 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-44 m²/s²
0-3 km storm-relative helicity
-24 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS55 KPUB 050232
FFWPUB
COC041-050430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
829 PM MDT WED AUG 4 2004

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL 1030 PM MDT

* AT 828 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM NEAR CENTRAL COLORADO SPRINGS...
  OR ABOUT OVER CENTRAL COLORADO SPRINGS...MOVING EAST AT 5 MPH.

* THE THUNDERSTORM PRODUCING FLASH FLOODING WILL BE...
  OVER CENTRAL COLORADO SPRINGS AND 3 MILES NORTH OF PETERSON AFB BY
  835 PM MDT
  OVER EAST CENTRAL COLORADO SPRINGS BY 850 PM MDT

ANOTHER AREA OF CONCERN IS EASTERN EL PASO COUNTY...SPECIFICALLY 
BRACKETT CREEK SOUTH OF CALHAN...WHERE RADAR HAS ESTIMATED 3 TO 4 
INCHES OF RAIN HAS FALLEN.
  
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.

LAT...LON 3894 10491 3861 10487 3859 10420 3908 10425

$$
2 follow-up statements
000 
WGUS75 KPUB 050317
FFSPUB
COC041-050430-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
913 PM MDT WED AUG 4 2004

...THE FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL EL PASO 
COUNTY UNTIL 1030 PM MDT WEDNESDAY EVENING...

RAINFALL HAS DIMINISHED IN INTENSITY AND AREAL COVERAGE ACROSS EL 
PASO COUNTY.  THERE MAY STILL BE SOME RESIDUAL FLOODING FROM THE 
HEAVY RAIN WHICH FELL DURING THE AFTERNOON AND EVENING.  SOME 
ARROYOS MAY STILL BE RUNNING HIGH...AND SOME WATER MAY BE FLOWING 
ACROSS SOME COUNTY ROADS.  PERSONS TRAVELING IN THE REGION... 
SPECIFICALLY COLORADO SPRINGS AND PORTIONS OF EASTERN EL PASO 
COUNTY...SHOULD BE ALERT FOR WATER ACROSS ROADWAYS AS WELL AS SOME 
ROAD WASHOUTS FROM THE EARLIER HEAVY RAIN.

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 AND STORM DRAINS...WHICH COULD BECOME DEADLY DURING HIGH WATER.
FLOODING WILL OCCUR ALONG CREEKS...IN DRAINAGE AREAS...IN
UNDERPASSES...OVER STREETS AND RURAL ROADS...IN NORMALLY DRY WASHES
AND ARROYOS...AND OVER LOW LYING LAND ALONG CREEK BANKS.

$$
000 
WGUS75 KPUB 050427
FFSPUB
COC041-050500-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1023 PM MDT WED AUG 4 2004

...THE FLASH FLOOD WARNING FOR EL PASO HAS BEEN ALLOWED TO EXPIRE... 

LIGHT RAIN SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE 
OVERNIGHT...HOWEVER THE THREAT FOR HEAVY RAINFALL AND FLASH FLOODING 
HAS ENDED.  MOST CREEKS AND STREAMS WILL REMAIN NEAR BANKFULL THE 
NEXT FEW HOURS BEFORE FALLING BACK TOWARD NORMAL FLOWS AFTER 
MIDNIGHT. 

$$

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 5, 3:37 AM MDTFlash Flood WarningPUBBent, Otero4 hr
Aug 5, 3:11 PM MDTFlash Flood WarningPUBLas Animas3 hr
Aug 5, 3:33 PM MDTFlash Flood WarningPUBTeller3 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.