Alert archive / Colorado / Flash Flood Warnings in 2004

Flash Flood Warning 20, NWS Pueblo, CO

August 5, 2004Bent County, Otero County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 5, 2004, 3:37 AM MDT for Bent County, Otero County, Colorado. It was in force for 4 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, 3:37 AM MDT (09:37 UTC)
Expired
Aug 5, 2004, 7:30 AM MDT
In force
4 hr
Issued by
NWS Pueblo, CO
Area
Counties, with a storm outline in the text

Counties Bent County, CO, Otero County, CO

The radar

The Pueblo radar (KPUX), 88 km from the middle of the area, began a volume at 09:39 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, 9.6 hours before the alert went out and 205 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 050941
FFWPUB
COC011-089-051330-

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

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN BENT COUNTY IN SOUTHEAST COLORADO
  EASTERN OTERO COUNTY IN SOUTHEAST COLORADO

* UNTIL 730 AM MDT

* AT 331 AM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
  FLOODING FROM A THUNDERSTORM ON HIGHWAY 50 AROUND HADLEY...OR 
  ABOUT 10 MILES EAST NORTHEAST OF LA JUNTA.  WATER WAS FLOWING
  OVER HIGHWAY 50 IN THE HADLEY AREA.

* THE THUNDERSTORM PRODUCING FLASH FLOODING WILL BE...  
  3 MILES SOUTH OF LAS ANIMAS BY 410 AM MDT

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 3812 10357 3788 10353 3784 10300 3816 10300

$$
1 follow-up statement
000 
WGUS75 KPUB 051045
FFSPUB
COC011-089-051145-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
440 AM MDT THU AUG 5 2004

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WESTERN BENT 
COUNTY AND EASTERN OTERO COUNTY...

THUNDERSTORMS HAVE DIMINISHED OVER THE AREA...AND LAW ENFORCEMENT 
HAS REPORTED THE WATER HAS RECEDED. FLASH FLOODING IS NO LONGER 
OCCURRING ALONG HIGHWAY 50 IN THE HADLEY AREA.  THUS...THE FLASH 
FLOOD WARNING HAS BEEN CANCELLED.  

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.

$$

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, 3:11 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.