Alert archive / Colorado / Flash Flood Warnings in 2004

Flash Flood Warning 34, NWS Pueblo, CO

August 19, 2004Crowley County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 19, 2004, 4:30 AM MDT for Crowley 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 19, 2004, 4:30 AM MDT (10:30 UTC)
Expired
Aug 19, 2004, 7:30 AM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Counties, with a storm outline in the text

County Crowley County, CO

The radar

The Pueblo radar (KPUX), 50 km from the middle of the area, began a volume at 10:32 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, 10.5 hours before the alert went out and 172 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 191036
FFWPUB
COC025-191330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
430 AM MDT THU AUG 19 2004

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN CROWLEY COUNTY IN SOUTHEAST COLORADO

* UNTIL 730 AM MDT

* AT 427 AM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED WATER 
  FLOWING OVER HIGHWAY 96 APPROXIMATELY 4 MILES EAST OF SUGAR CITY 
  CAUSED BY VERY HEAVY RAIN FROM A THUNDERSTORM OVER EXTREME EAST 
  CENTRAL CROWLEY COUNTY...OR ABOUT 26 MILES NORTH OF LA 
  JUNTA...MOVING NORTHEAST AT 5 MPH.

* THE THUNDERSTORM PRODUCING VERY HEAVY RAIN WILL BE...   
  ACROSS EXTREME EASTERN CROWLEY COUNTY THROUGH 530 AM AND WILL
  CONTINUE TO WEAKEN QUICKLY THROUGH THE EARLY MORNING.   

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 3827 10369 3819 10350 3851 10351 3851 10373

$$
2 follow-up statements
000 
WGUS75 KPUB 191201
FFSPUB
COC025-191330-

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

...THE FLASH FLOOD WARNING REMAINS IN EFFECT FOR EASTERN CROWLEY COUNTY 
UNTIL 730 AM MDT THURSDAY MORNING...

HEAVY RAINS FROM THUNDERSTORMS WHICH OCCURRED OVERNIGHT HAVE CAUSED 
FLOODING OF HIGHWAY 96 AROUND 4 MILES EAST OF SUGAR CITY.  LAW 
ENFORCEMENT REPORTS THAT HIGHWAY 96 IN THIS AREA IS UNDER WATER AND 
IS STILL CLOSED.  SEVERAL HOMES IN THE AREA HAVE BEEN EVACUATED. 
PUEBLO DOPPLER RADAR ESTIMATED THAT BETWEEN 3 AND 5 INCHES OF RAIN 
HAS FALLEN OVER EASTERN CROWLEY COUNTY SINCE LAST EVENING...WITH 
ANOTHER BAND OF LIGHT RAINFALL MOVING INTO THE AREA.  FLOODING IS 
EXPECTED TO CONTINUE THROUGH 730 AM BEFORE THE WATER GRADUALLY 
RECEDES LATER THIS MORNING.

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.

$$
000 
WGUS75 KPUB 191337
FFSPUB
COC025-191400-

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

...THE FLASH FLOOD WARNING HAS BEEN CANCELED FOR EASTERN CROWLEY 
COUNTY...

ADDITIONAL HEAVY RAIN IS NO LONGER EXPECTED ACROSS CROWLEY COUNTY 
THIS MORNING...AND ADDITIONAL FLASH FLOODING IS NO LONGER EXPECTED.  
HOWEVER...CREEKS...STREAMS AND NORMALLY DRY WASHES IN THE AREA 
CONTINUE TO RUN FULL WITH WATER...WITH SOME LOCALIZED FLOODING 
OCCURRING...ESPECIALLY IN LOW LYING AREAS NEAR STREAMS AND CREEKS. A 
FLOOD WARNING HAS BEEN ISSUED FOR CROWLEY COUNTY TO ADDRESS THE 
CONTINUED FLOODING DUE TO RUNOFF.  

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 18, 11:32 PM MDTFlash Flood WarningPUBOtero3 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.