Alert archive / Colorado / Flash Flood Warnings in 2004

Flash Flood Warning 13, NWS Denver/Boulder, CO

July 9, 2004Lincoln County, Colorado

NWS Denver/Boulder, CO issued this flash flood warning at Jul 9, 2004, 10:22 PM MDT for Lincoln 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
Jul 9, 2004, 10:22 PM MDT (04:22 UTC)
Expired
Jul 10, 2004, 1:15 AM MDT
In force
3 hr
Issued by
NWS Denver/Boulder, CO
Area
Counties, with a storm outline in the text

County Lincoln County, CO

The radar

The Pueblo radar (KPUX), 104 km from the middle of the area, began a volume at 04:23 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, 4.4 hours before the alert went out and 90 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 2004-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 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 2004-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.193958Sfc1 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
7 J/kg
Mixed-layer CIN
-305 J/kg
Mixed-layer LCL
3138 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
154 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 KBOU 100425
FFWBOU
COC073-100715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
1022 PM MDT FRI JUL 9 2004

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL LINCOLN COUNTY IN EAST CENTRAL COLORADO

* UNTIL 115 AM MDT

* AT 1022 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN OVER EXTREME EAST CENTRAL LINCOLN COUNTY...OR ABOUT
  29 MILES SOUTHEAST OF LIMON.  THE STORM PRODUCING THE HEAVY RAIN   
  WAS MOVING SOUTHWEST AT 5 MPH. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

DOPPLER RADAR ESTIMATES THAT UP TO 5 INCHES OF RAIN HAS FALLEN IN 
LINCOLN COUNTY ABOUT 10 MILES NORTH OF BOYERO SINCE 830 PM.  

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND
ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

LAT...LON 3900 10332 3898 10317 3916 10316 3916 10332

$$
RTG
2 follow-up statements
000 
WGUS75 KBOU 100518
FFSBOU
COC073-100715-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
1115 PM MDT FRI JUL 9 2004

A FLASH FLOOD WARNING REMAINS IN EFFECT FOR

  EAST CENTRAL LINCOLN COUNTY

UNTIL 115 AM MDT.

AT 1115 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT RAIN HAD ENDED IN THE FLASH FLOOD AREA.  THE HEAVIEST RAIN HAD 
FALLEN IN EAST CENTRAL LINCOLN COUNTY 11 MILES NORTH OF BOYERO.  
RADAR INDICATED UP TO 5 INCHES OF RAIN MAY HAVE FALLEN IN THIS AREA. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND
ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

LAT...LON 3916 10315 3916 10332 3901 10332 3898 10316

$$
RTG
000 
WGUS75 KBOU 100705
FFSBOU
COC073-100715-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
105 AM MDT SAT JUL 10 2004

THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE FOR

  EAST CENTRAL LINCOLN COUNTY AT 115 AM


AT 1 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED NO 
FURTHER STORM DEVELOPMENT HAS OCCURRED ACROSS THE WARNING AREA. 
COUNTY OFFICIALS HAVE REPORTED NO FLOODING ACROSS EAST CENTRAL 
LINCOLN COUNTY. 

THERE MAY STILL BE SOME LOW LYING AREAS WHICH HAVE STANDING WATER. 
PROCEED WITH CAUTION.

LAT...LON 3916 10315 3916 10332 3901 10332 3898 10316

$$

SWE

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 9, 6:53 PM MDTSevere Thunderstorm WarningBOULincoln52 min
Jul 9, 7:12 PM MDTSevere Thunderstorm WarningBOULincoln63 min
Jul 9, 7:59 PM MDTSevere Thunderstorm WarningBOULincoln61 min
Jul 9, 9:04 PM MDTSevere Thunderstorm WarningBOULincoln56 min
Jul 9, 9:34 PM MDTSevere Thunderstorm WarningBOULincoln41 min
Jul 9, 10:07 PM MDTTornado WarningBOULincoln38 min
Jul 9, 10:48 PM MDTSevere Thunderstorm WarningBOUPhillips, Sedgwick57 min
Jul 9, 10:56 PM MDTSevere Thunderstorm WarningBOULincoln64 min
Jul 10, 5:39 PM MDTSevere Thunderstorm WarningBOULogan, Phillips, Sedgwick51 min

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.