Alert archive / Colorado / Flash Flood Warnings in 2007

Flash Flood Warning 20, NWS Pueblo, CO

July 25, 2007Teller County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 25, 2007, 4:49 PM MDT for Teller 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 counties it named.

The facts

Issued
Jul 25, 2007, 4:49 PM MDT (22:49 UTC)
Expired
Jul 25, 2007, 7:45 PM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Whole counties

County Teller County, CO

The radar

The Pueblo radar (KPUX), 97 km from the middle of the area, began a volume at 22:51 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 12:00Z, 10.8 hours before the alert went out and 199 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 12:00Z on 2007-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 245 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 12:00Z on 2007-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
245 J/kg
Mixed-layer CIN
-322 J/kg
Mixed-layer LCL
2449 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
-8 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 252253
FFWPUB
COC119-260145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
449 PM MDT WED JUL 25 2007

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE HAYMAN BURN SCAR IN NORTHWEST TELLER COUNTY...
  IN CENTRAL COLORADO...

* UNTIL 745 PM MDT...

* AT 443 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN FROM A STORM OVER THE HAYMAN BURN SCAR IN          
  NORHTWEST TELLER COUNTY.

* THE STORM PRODUCING VERY HEAVY RAIN WILL PERSIST OVER THE HAYMAN   
  BURN SCAR IN NORHTWEST TELLER COUNTY.

DOPPLER RADAR ESTIMATES THAT RAIN TOTALS OF 1 INCH PER HOUR HAVE 
OCCURRED OVER HAYMAN BURN SCAR.  FLOODING AND WASHOUTS WILL BE
LIKELY OVER PORTIONS OF THE BURN SCAR...INCLUDING TURKEY CREEK
AND TRAIL CREEK IN EXTREME NORTHWEST TELLER 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.

LAT...LON 3899 10531 3908 10514 3912 10512 3912 10531

$$
4 follow-up statements
000 
WGUS75 KPUB 252333
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
520 PM MDT WED JUL 25 2007

COC119-260145-
TELLER CO-
520 PM MDT WED JUL 25 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR THE 
HAYMAN BURN SCAR IN NORTHWESTERN TELLER COUNTY...

AT 517 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A STORM PRODUCING VERY HEAVY RAIN OVER THE HAYMAN BURN 
SCAR.  THE AREA RECEIVING THE HEAVIEST RAINFALL LIES FROM TRAIL 
CREEK WESTWARD...INCLUDING TURKEY CREEK.  WEST CREEK AND TROUT CREEK 
ARE EAST OF THE HEAVY RAINFALL...BUT HEAVY HEAVY RAIN MAY DEVELOP IN 
THESE BASINS LATER IN THE EVENING.

A THUNDERSTORM WITH EXCESSIVE RAIN WILL REMAIN NEARLY STATIONARY 
OVER THE HAYMAN BURN SCAR THROUGH AT LEAST 600 PM MDT.  FLOODING AND 
ROAD WASHOUTS ARE LIKELY...MAINLY FROM TRAIL CREEK 
WESTWARD...INCLUDING TURKEY CREEK.  LESS SEVERE FLOODING IS EXPECTED 
FARTHER WEST ACROSS THE WEST CREEK AND TROUT CREEK BASINS. PEOPLE IN 
THE HAYMAN BURN AREA OF EXTREME NORTHWEST TELLER COUNTY SHOULD MOVE 
TO HIGH GROUND AT ONCE.

DOPPLER RADAR ESTIMATES THAT RAIN TOTALS OF 1 TO 3 INCHES HAVE 
FALLEN ACROSS THE HAYMAN BURN SCAR...IN EXTREME NORTHWEST TELLER 
COUNTY...BETWEEN 430 AND 530 PM MDT.  ADDITIONAL RAINFALL OF AN INCH 
OR MORE IS POSSIBLE.  THIS AMOUNT OF RAIN WILL LIKELY RESULT IN 
FLOODING AND ROAD WASHOUTS OVER PORTIONS OF NORTHWEST TELLER 
COUNTY...MAINLY FROM TRAIL CREEK WESTWARD...INCLUDING THE TURKEY
CREEK DRAINAGE.

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 3899 10531 3908 10514 3912 10512 3912 10531

$$
000 
WGUS75 KPUB 260043
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
630 PM MDT WED JUL 25 2007

COC119-260145-
TELLER CO-
630 PM MDT WED JUL 25 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR THE 
HAYMAN BURN SCAR IN NORTHWESTERN TELLER COUNTY...

AT 630 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
MOST OF THE HEAVY RAIN HAD MOVED OFF OF THE TELLER COUNTY PORTION OF 
THE HAYMAN BURN SCAR.  HOWEVER...HEAVY RAIN CONTINUED OVER PORTIONS 
OF THE SCAR FARTHER TO THE NORTH.  THE AREA THAT RECEIVED THE 
HEAVIEST RAINFALL IN TELLER COUNTY LIES FROM TRAIL CREEK WESTWARD... 
INCLUDING TURKEY CREEK...CEDAR MOUNTAIN ROAD...FOREST SERVICE ROAD 
205 AND FOREST SERVICE ROAD 360.  THE WEST CREEK AND TROUT CREEK 
DRAINAGES WERE EAST OF THE HEAVY RAINFALL.

RAINFALL ACROSS THE TELLER COUNTY PORTION OF THE HAYMAN SCAR WAS 
LIGHT OR NONEXISTENT AT 630 PM MDT.  HOWEVER...RADAR INDICATED SOME
NEW DEVELOPMENT WAS BEGINNING TO OCCUR IN AND AROUND THE HAYMAN SCAR.
IT IS POSSIBLE THAT HEAVY RAIN COULD REDEVELOP OVER THE TELLER 
COUNTY PORTION OF THE BURN SCAR THROUGH 745 PM MDT.  EVEN WITHOUT 
ADDITIONAL HEAVY RAINFALL...THE THREAT OF FLOODING AND ROAD WASHOUTS
ACROSS EXTREME NORTHWEST TELLER COUNTY WILL CONTINUE THROUGH 745 PM 
MDT...DUE TO THE INTENSE RAINFALL THAT HAS ALREADY OCCURRED.

DOPPLER RADAR ESTIMATES INDICATED THAT 1 TO AS MUCH AS 3 INCHES OF
RAIN MAY HAVE FALLEN ACROSS THE EXTREME NORTHWEST PORTION OF TELLER
COUNTY SINCE 430 PM MDT.  HOWEVER...GROUND TRUTH GAGE REPORTS 
INDICATE THAT RADAR ESTIMATES WERE RUNNING HIGH...WITH 1 TO 1.5 
INCHES OF RAIN MORE LIKELY.  ADDITIONAL RAINFALL UP TO .25 INCHES IS 
POSSIBLE OVER THE TELLER COUNTY PORTION OF THE HAYMAN SCAR THROUGH 
745 PM MDT.  GREATER AMOUNTS ARE POSSIBLE IF STORMS INTENSIFY MORE 
THAN CURRENTLY EXPECTED.

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 3899 10531 3908 10514 3912 10512 3912 10531

$$
000 
WGUS75 KPUB 260122
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
717 PM MDT WED JUL 25 2007

COC119-260145-
TELLER CO-
717 PM MDT WED JUL 25 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR THE 
HAYMAN BURN SCAR IN NORTHWESTERN TELLER COUNTY...

AT 715 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
HEAVY RAIN SHOWERS HAD REDEVELOPED OVER THE EASTERN PORTION OF THE 
HAYMAN SCAR IN TELLER COUNTY...AFFECTING THE TROUT AND WEST CREEK 
DRAINAGES.  LITTLE OR NO RAIN WAS OCCURRING OVER THE WESTERN PORTION 
OF THE SCAR...ACROSS THE TURKEY AND TRAIL CREEK DRAINAGES.

THE THREAT OF FLOODING AND ROAD WASHOUTS ACROSS THE HAYMAN SCAR OF 
NORTHWEST TELLER COUNTY WILL CONTINUE THROUGH 745 PM MDT...DUE TO 
HEAVY RAINFALL THAT OCCURRED EARLIER THIS EVENING...AND NEW SHOWERS 
THAT HAVE DEVELOPED SINCE 700 PM MDT.

DOPPLER RADAR ESTIMATES INDICATED THAT 1 TO AS MUCH AS 3 INCHES OF
RAIN MAY HAVE FALLEN ACROSS THE EXTREME NORTHWEST PORTION OF TELLER
COUNTY SINCE 430 PM MDT.  HOWEVER...GROUND TRUTH GAGE REPORTS 
INDICATE THAT RADAR ESTIMATES WERE RUNNING HIGH...WITH 1 TO 1.5 
INCHES OF RAIN MORE LIKELY.  ADDITIONAL RAINFALL UP TO .25 INCHES IS 
POSSIBLE OVER THE TELLER COUNTY PORTION OF THE HAYMAN SCAR THROUGH 
745 PM MDT.  GREATER AMOUNTS ARE POSSIBLE IF STORMS INTENSIFY MORE 
THAN CURRENTLY EXPECTED.

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 3899 10531 3908 10514 3912 10512 3912 10531

$$
000 
WGUS75 KPUB 260151
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
751 PM MDT WED JUL 25 2007

COC119-260215-
TELLER CO-
751 PM MDT WED JUL 25 2007

...THE FLASH FLOOD WARNING EXPIRED AT 745 PM MDT FOR THE HAYMAN BURN 
SCAR IN NORTHWESTERN TELLER COUNTY...

REPEATED CHECKS WITH OFFICIALS IN TELLER COUNTY INDICATE NO FLOODING 
PROBLEMS HAVE BEEN REPORTED.  HEAVY RAINFALL ENDED ACROSS THE HAYMAN 
BURN SCAR AROUND 600 PM MDT.  LIGHT SHOWERS CONTINUED ACROSS THE 
TROUT AND WEST CREEK DRAINAGES AT 745 PM MDT...BUT THESE WERE 
OCCURRING OVER THE EASTERN PART OF THE HAYMAN SCAR...THE PART THAT 
MISSED THE HEAVY RAIN EARLIER.  WITH NO REPORTS OF FLOODING AND THE 
HEAVY RAIN LONG OVER...THE FLASH FLOOD WARNING FOR THE HAYMAN SCAR 
HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3899 10531 3908 10514 3912 10512 3912 10531

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 3:43 PM MDTSevere Thunderstorm WarningPUBCuster62 min
Jul 25, 5:24 PM MDTSevere Thunderstorm WarningPUBChaffee23 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.