Alert archive / Colorado / Flash Flood Warnings in 2007

Flash Flood Warning 23, NWS Pueblo, CO

August 1, 2007Pueblo County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 1, 2007, 11:47 PM MDT for Pueblo County, Colorado. It took effect at Aug 1, 2007, 11:52 PM MDT. It was in force for 3 hr. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 1, 2007, 11:47 PM MDT (05:47 UTC)
In effect from
Aug 1, 2007, 11:52 PM MDT
Expired
Aug 2, 2007, 2:45 AM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Whole counties

County Pueblo County, CO

The radar

The Pueblo radar (KPUX), 43 km from the middle of the area, began a volume at 05:47 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.

What was reported inside it

TimeReportWhereRemark
Aug 2, 1:19 AM MDTFLASH FLOOD1 E Beulah, COHIGHWAY 78...THE PRIMARY ACCESS ROUTE TO THE MOUNTAIN COMMUNITY OF BEULAH...WASHED OUT. AN 18 FOOT CULVERT FAILED...ALLOWING A LARGE SWATH OF THE HIGHWAY TO COLLAPSE. A VEHICLE HAD TO BE PULLED FROM THE COLLAPSED AREA. THE DRIVER OF THE VEHICLE EXPERIENCED A S
Aug 2, 2:30 AM MDTFLASH FLOODBeulah, CONUMEROUS ROADS IMPASSABLE DUE TO FLASH FLOODING.
Aug 2, 2:30 AM MDTHEAVY RAIN 6.4Beulah, COFLASH FLOODING. ONE ROAD OPEN AT 0800 AM MDT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 5.8 hours before the alert went out and 219 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 2007-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 61 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 2007-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -44 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
61 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
2701 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-44 m²/s²
0-3 km storm-relative helicity
-18 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 020552
FFWPUB
COC101-020845-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
1147 PM MDT WED AUG 1 2007

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL PUEBLO COUNTY IN SOUTHEAST COLORADO...

* UNTIL 245 AM MDT...

* AT 1143 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR 
  INDICATED   VERY HEAVY RAIN ACROSS MUCH OF WEST CENTRAL PUEBLO 
  COUNTY...INCLUDING THE MASON GULCH BURN SCAR.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO...
  BEULAH.

DOPPLER RADAR ESTIMATES THAT RAIN TOTALS OF UP TO 3.5 INCHES HAVE 
OCCURRED AND ADDITIONAL RAINFALL OF OF UP TO AN INCH IS EXPECTED 
OVER PORTIONS OF WEST CENTRAL PUEBLO COUNTY.  CREEKS...STREAMS AND 
ROADWAYS IN THE AREA MAY EXPERIENCE FLOODING THROUGH 245 PM.  AREAS 
PARTICULARLY SUSCEPTIBLE TO FLASH FLOODING WILL BE IN AND NEAR THE 
MASON GULCH BURN SCAR.  THIS WARNING EXTENDS AND EXPANDS THE 
PREVIOUS FLASH FLOOD WARNING ISSUED FOR THE MASON GULCH BURN SCAR 
AND EXTREME WEST CENTRAL PUEBLO COUNTY. 

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. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN
IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. MAKE THE SMART
CHOICE...TURN AROUND...DONT DROWN.

JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY VEGETATION...RUNS OFF
ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A
MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS IN A BURN SCAR
BECOME UNSTABLE WHEN IT RAINS...RESULTING IN MUD FLOWS AND FALLING
ROCK. ROADWAYS CAN BE WASHED OUT BY THE FORCE OF THE RUSHING WATER.

LAT...LON 3790 10504 3787 10500 3789 10467 3814 10467
      3824 10488 3820 10504

$$
3 follow-up statements
000 
WGUS75 KPUB 020623
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1219 AM MDT THU AUG 2 2007

COC101-020845-
PUEBLO CO-
1219 AM MDT THU AUG 2 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 AM MDT FOR WEST
CENTRAL PUEBLO COUNTY...

AT 1216 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A STORM PRODUCING VERY HEAVY RAIN OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO...
  MASON GULCH BURN SCAR IN PUEBLO COUNTY.
  BEULAH.

DOPPLER RADAR ESTIMATES THAT RAIN TOTALS OF UP TO 3.5 INCHES OF RAIN 
HAVE OCCURRED ACROSS THE MASON GULCH BURN SCAR...THE BEULAH AREA AND 
THE OPEN COUNTRY SOUTHWEST OF THE CITY OF PUEBLO.  ADDITIONAL 
RAINFALL OF UP TO AN INCH IS EXPECTED IN THIS AREA AS MORE 
THUNDERSTORMS CONTINUE TO DEVELOP AND MOVE ACROSS THIS SAME AREA.  
CREEKS...STREAMS...AND NORMALLY DRY WASHES MAY QUICKLY BECOME 
FLOODED.  AREAS PARTICULARLY SUSCEPTIBLE TO FLASH FLOODING WILL BE 
IN AND NEAR THE MASON GULCH BURN SCAR INCLUDING SOUTH RED 
CREEK...PANTHER CREEK...AND NORTH CREEK.  

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. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN
IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. MAKE THE SMART
CHOICE...TURN AROUND...DONT DROWN.

JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY VEGETATION...RUNS OFF
ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A
MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS IN A BURN SCAR
BECOME UNSTABLE WHEN IT RAINS...RESULTING IN MUD FLOWS AND FALLING
ROCK. ROADWAYS CAN BE WASHED OUT BY THE FORCE OF THE RUSHING WATER.

LAT...LON 3790 10504 3787 10500 3789 10467 3814 10467
      3824 10488 3820 10504

$$
000 
WGUS75 KPUB 020710
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
104 AM MDT THU AUG 2 2007

COC101-020845-
PUEBLO CO-
104 AM MDT THU AUG 2 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 AM MDT FOR WEST
CENTRAL PUEBLO COUNTY...

AT 102 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE STRONG STORMS PRODUCING VERY HEAVY RAIN OVER THE WARNED 
AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO...  
  BEULAH.
  THE MASON GULCH BURN SCAR.
  OPEN COUNTRY OF WEST CENTRAL PUEBLO COUNTY.

DOPPLER RADAR ESTIMATES THAT RAIN TOTALS OF UP TO 4 INCHES HAVE 
OCCURRED ACROSS THE MASON GULCH BURN SCAR...BEULAH...AND THE OPEN 
COUNTRY ALONG HIGHWAY 76 SOUTHWEST OF THE CITY OF PUEBLO.  RAIN 
GAGES IN THE BEULAH AREA HAVE RECORDED OVER 3 INCHES OF RAINFALL  
ADDITIONAL RAINFALL OF UP TO 2 INCHES IS EXPECTED ACROSS THAT AREA.
CREEKS AND STREAMS...ESPECIALLY IN AND NEAR THE MASON GULCH BURN 
SCAR...WILL EXPERIENCE FLOODING THROUGH 245 AM.  ROADS NEAR THE BURN 
SCAR WILL LIKELY EXPERIENCE WASH OUTS AND MUD FLOWS DUE TO HEAVY RUN 
OFF.  

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

JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY VEGETATION...RUNS OFF
ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A
MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS IN A BURN SCAR
BECOME UNSTABLE WHEN IT RAINS...RESULTING IN MUD FLOWS AND FALLING
ROCK. ROADWAYS CAN BE WASHED OUT BY THE FORCE OF THE RUSHING WATER.

LAT...LON 3790 10504 3787 10500 3789 10467 3814 10467
      3824 10488 3820 10504

$$
000 
WGUS75 KPUB 020755
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
151 AM MDT THU AUG 2 2007

COC101-020845-
PUEBLO CO-
151 AM MDT THU AUG 2 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 AM MDT FOR WEST
CENTRAL PUEBLO COUNTY...

AT 149 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A STORM PRODUCING VERY HEAVY RAIN OVER THE WARNED AREA.

DOPPLER RADAR ESTIMATES THAT RAIN TOTALS OF UP TO 5 INCHES HAVE 
OCCURRED ACROSS THE MASON GULCH BURN SCAR...AND RURAL PORTIONS OF 
WEST CENTRAL PUEBLO COUNTY. HEAVY RAINFALL HAS ENDED ACROSS THE 
AREA...HOWEVER CREEKS STREAMS AND ROADWAYS WILL CONTINUE TO 
EXPERIENCE FLOODING THROUGH 245 AM AS RUNOFF CONTINUES.  AREAS MOST 
LIKELY TO EXPERIENCE FLASH FLOODING WILL BE SOUTH RED CREEK AND 
NORTH CREEK IN AND NEAR THE MASON GULCH BURN SCAR.  

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

JUST A SMALL AMOUNT OF RAINFALL ON A BURN SCAR CAN LEAD TO FLASH
FLOODING. WATER THAT IS NORMALLY ABSORBED BY VEGETATION...RUNS OFF
ALMOST INSTANTLY. THIS CAUSES CREEKS AND DRAINAGE AREAS TO FLOOD AT A
MUCH FASTER RATE THAN NORMAL. ADDITIONALLY...THE SOILS IN A BURN SCAR
BECOME UNSTABLE WHEN IT RAINS...RESULTING IN MUD FLOWS AND FALLING
ROCK. ROADWAYS CAN BE WASHED OUT BY THE FORCE OF THE RUSHING WATER.

LAT...LON 3790 10504 3787 10500 3789 10467 3814 10467
      3824 10488 3820 10504

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 7:47 PM MDTSevere Thunderstorm WarningPUBPueblo58 min
Aug 1, 9:30 PM MDTFlash Flood WarningPUBPueblo3 hr
Aug 2, 12:35 AM MDTFlash Flood WarningPUBCuster3 hr
Aug 2, 2:30 AM MDTFlash Flood WarningPUBPueblo90 min
Aug 2, 2:30 AM MDTFlash Flood WarningPUBPueblo90 min
Aug 2, 4:11 AM MDTFlash Flood WatchPUBAlamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more19 hr
Aug 2, 4:49 PM MDTRiver Flood WarningPUBPueblo4 hr

Nearby

Flash Flood Warnings in Colorado, 2007Every flash flood warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.