Alert archive / Colorado / Flash Flood Warnings in 2004

Flash Flood Warning 32, NWS Pueblo, CO

August 18, 2004Bent County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 18, 2004, 11:12 PM MDT for Bent 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 18, 2004, 11:12 PM MDT (05:12 UTC)
Expired
Aug 19, 2004, 2:15 AM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Counties, with a storm outline in the text

County Bent County, CO

The radar

The Pueblo radar (KPUX), 87 km from the middle of the area, began a volume at 05:15 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, 5.2 hours before the alert went out and 201 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 2004-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 45 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 00:00Z on 2004-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 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
45 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
592 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
246 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 190515
FFWPUB
COC011-190815-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
1112 PM MDT WED AUG 18 2004

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL BENT COUNTY IN SOUTHEAST COLORADO

* UNTIL 215 AM MDT

* AT 1110 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED WATER 
  FLOWING ACROSS HIGHWAY 194 AT THE OTERO AND BENT COUNTY LINE. 
  THUNDERSTORMS WITH HEAVY RAIN ARE 7 MILES SOUTHWEST OF LAS 
  ANIMAS...OR ABOUT 11 MILES EAST OF LA JUNTA...MOVING EAST AT 5 MPH.

* THE THUNDERSTORM PRODUCING VERY HEAVY RAIN WILL BE...
  4 MILES SOUTH OF LAS ANIMAS BY 1215 AM MDT

HEAVY RAIN HAS ALSO OCCURRED OVER EASTERN CROWLEY AND NORTHEAST 
OTERO COUNTY.  CREEKS...SUCH AS HORSE CREEK...WHICH FLOW INTO BENT 
COUNTY FROM NORTHEAST OTERO AND EASTERN CROWLEY COUNTY...MAY RAPID 
RISE OUT OF THEIR BANKS.


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 3814 10339 3795 10339 3795 10322 3814 10323

$$
1 follow-up statement
000 
WGUS75 KPUB 190831
FFSPUB
COC011-190900-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
223 AM MDT THU AUG 19 2004

...THE FLASH FLOOD WARNING HAS BEEN CANCELED FOR BENT COUNTY...

RAIN HAS DIMINISHED OVER BENT COUNTY AND THE THREAT OF FLASH 
FLOODING HAS ENDED. THERE WILL BE ADDITIONAL RAINFALL THIS MORNING 
BUT RAINFALL RATES AND AMOUNTS WILL BE CONSIDERABLY LIGHTER THAN 
THEY WERE WEDNESDAY EVENING. 

WHILE THE THREAT OF FLASH FLOODING HAS ENDED THERE MAY BE SOME WATER 
STANDING ON ROADWAYS ESPECIALLY IN LOW AREAS AND AREAS WITH POOR 
DRAINAGE. SMALL CREEKS AND STREAMS MAY STILL RUN FAST AS RUNOFF 
CONTINUES FROM THE HEAVY RAIN THAT OCCURRED OVER NORTHWEST BENT 
COUNTY WEDNESDAY EVENING.  

DO NOT CROSS WATER THAT IS OF UNKNOWN DEPTH OR THAT IS MOVING FAST 
ACROSS A ROADWAY...ESPECIALLY AT NIGHT.  WATER THAT IS 6 INCHES DEEP 
AND FLOWING FAST CAN EASILY CAUSE A CAR TO FLOAT AND THEN PUSH IT 
DOWNSTREAM.  

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 6:32 PM MDTFlash Flood WarningPUBChaffee3 hr
Aug 18, 8:50 PM MDTFlash Flood WarningPUBOtero3 hr
Aug 18, 9:27 PM MDTFlash Flood WarningPUBChaffee3 hr
Aug 18, 9:44 PM MDTFlash Flood WarningPUBCrowley4 hr
Aug 18, 11:32 PM MDTFlash Flood WarningPUBOtero3 hr
Aug 19, 4:30 AM MDTFlash Flood WarningPUBCrowley3 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.