Alert archive / Colorado / Flash Flood Warnings in 2004

Flash Flood Warning 33, NWS Pueblo, CO

August 18, 2004Otero County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 18, 2004, 11:32 PM MDT for Otero 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, 11:32 PM MDT (05:32 UTC)
Expired
Aug 19, 2004, 2:30 AM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Counties, with a storm outline in the text

County Otero County, CO

The radar

The Pueblo radar (KPUX), 71 km from the middle of the area, began a volume at 05:35 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, 5.5 hours before the alert went out and 193 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 190537
FFWPUB
COC089-190830-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
1132 PM MDT WED AUG 18 2004

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN OTERO COUNTY IN SOUTHEAST COLORADO

* UNTIL 230 AM MDT

* AT 1130 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED WATER 
  FLOWING OVER HIGHWAY 194 AT SEVERAL LOCATIONS EAST OF LA JUNTA. 
  FLOODING WAS ALSO REPORTED NORTH OF CHERAW.  MOST OF THE HEAVY 
  RAIN HAS MOVED OUT OF THE COUNTY...BUT FLASH FLOODING FROM EARLIER 
  RAIN CONTINUES.  SOME LOCALLY HEAVY RAIN IS STILL OCCURRING OVER 
  EASTERN OTERO COUNTY.

* THE THUNDERSTORM PRODUCING VERY HEAVY RAIN WILL BE...
   OVER RURAL NORTHEASTERN OTERO COUNTY AT 1150 PM MDT

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

THIS EXTENDS THE EARLIER FLASH FLOOD WARNING FOR OTERO COUNTY.

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 3825 10349 3816 10348 3814 10359 3796 10352
      3799 10339 3825 10340

$$
1 follow-up statement
000 
WGUS75 KPUB 190838
FFSPUB
COC089-190900-

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

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

RAIN HAS DIMINISHED OVER OTERO COUNTY AND THE THREAT OF FLASH 
FLOODING HAS ENDED. LIGHT RAIN WILL CONTINUE THROUGH THE EARLY 
MORNING BUT INTENSITIES AND RAINFALL AMOUNTS WILL BE CONSIDERABLY 
LESS THAN THEY WERE WEDNESDAY EVENING. SMALL CREEKS AND STREAMS WILL 
CONTINUE TO RUN FAST THIS MORNING AND THERE MAY BE STANDING WATER 
OVER ROADWAYS...ESPECIALLY IN LOW AREAS AND AREA WITH POOR DRAINAGE

WHILE THE FLASH FLOOD THREAT HAS ENDED YOU SHOULD CONTINUE TO 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 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, 11:12 PM MDTFlash Flood WarningPUBBent3 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.