Alert archive / Colorado / Flash Flood Warnings in 2004

Flash Flood Warning 5, NWS Pueblo, CO

June 20, 2004Prowers County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jun 20, 2004, 8:28 PM MDT for Prowers County, Colorado. It was in force for 2 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: Jun 20, 2004, 8:28 PM MDT (02:28 UTC)
Expired: Jun 20, 2004, 10:30 PM MDT
In force: 2 hr
Issued by: NWS Pueblo, CO
Area: Counties, with a storm outline in the text

County Prowers County, CO

The radar

The Pueblo radar (KPUX), 159 km from the middle of the area, began a volume at 02:29 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, 2.5 hours before the alert went out and 218 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 143 J/kg
Mixed-layer CIN: -244 J/kg
Mixed-layer LCL: 2000 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS55 KPUB 210234
FFWPUB
COC099-210430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
828 PM MDT SUN JUN 20 2004

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PROWERS COUNTY IN SOUTHEAST COLORADO
  THIS INCLUDES THE CITY OF LAMAR

* UNTIL 1030 PM MDT

* AT 824 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
  FLOODING ALONG HIGHWAY 196 BETWEEN LAMAR AND BRISTOL...AND THE     
  HIGHWAY IS CLOSED. THIS IS FROM THUNDERSTORMS WHICH OCCURRED       
  EARLIER IN THE EVENING ACROSS PROWERS COUNTY.

* THE FLASH FLOODING WILL BE...
  ALONG HIGHWAY 196 THROUGH 1030 PM MDT
  IN CENTRAL PORTIONS OF PROWERS COUNTY THROUGH 1030 PM 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 3824 10269 3767 10269 3767 10209 3823 10209

$$

1 follow-up statement

000 
WGUS75 KPUB 210435
FFSPUB
COC099-210500-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1033 PM MDT SUN JUN 20 2004

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

LOCAL LAW ENFORCEMENT INDICATED THAT HIGHWAY 196 BETWEEN LAMAR AND 
BRISTOL WAS OPEN...AND HIGHWAY 385 NORTH OF GRANADA AT BUFFALO CREEK 
WAS BEING CLEARED. NO OTHER REPORTS OF FLASH FLOODING HAVE BEEN 
RECEIVED. THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.

WATER WILL LIKELY RUN HIGH IN CREEKS AND ARROYOS IN PROWERS COUNTY 
INTO THE EARLY MORNING HOURS. 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 6:05 PM MDT	Severe Thunderstorm Warning	PUB	Prowers	85 min
Jun 20, 6:34 PM MDT	Tornado Warning	PUB	Prowers	56 min
Jun 20, 7:29 PM MDT	Tornado Warning	PUB	Prowers	31 min
Jun 21, 1:00 PM MDT	Severe Thunderstorm Warning	PUB	Custer, Fremont	60 min
Jun 21, 3:09 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	66 min
Jun 21, 3:11 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	64 min
Jun 21, 3:12 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	63 min

Nearby

Flash Flood Warnings in Colorado, 2004 Every 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.