Alert archive / Colorado / Flash Flood Warnings in 2007

Flash Flood Warning 30, NWS Pueblo, CO

August 6, 2007Teller County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 6, 2007, 4:28 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
Aug 6, 2007, 4:28 PM MDT (22:28 UTC)
Expired
Aug 6, 2007, 7:30 PM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Whole counties

County Teller County, CO

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 10.5 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 2007-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 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 2007-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
51 J/kg
Mixed-layer CIN
-265 J/kg
Mixed-layer LCL
1880 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
-35 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 062230
FFWPUB
COC119-070130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
428 PM MDT MON AUG 6 2007

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN TELLER COUNTY IN CENTRAL COLORADO...

* UNTIL 730 PM MDT...

* AT 427 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A STORM OVER THE WARNED AREA.

DOPPLER RADAR ESTIMATES THAT RAIN TOTALS OF 1 TO 2 INCHES HAVE 
OCCURRED OVER THE HAYMAN BURN SCAR...AND ADDITIONAL RAINFALL OF 1 TO 
2 INCHES IS EXPECTED IN THAT AREA.

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 3912 10532 3896 10532 3906 10502 3912 10504

$$
4 follow-up statements
000 
WGUS75 KPUB 062258
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
454 PM MDT MON AUG 6 2007

COC119-070130-
TELLER CO-
454 PM MDT MON AUG 6 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM MDT FOR
NORTHERN TELLER COUNTY...

AT 452 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING OVER NORTHWEST 
TELLER COUNTY...INCLUDING WOODLAND PARK AND THE HAYMAN BURN SCAR. 

AT 450 PM...A WEATHER SERVICE SPOTTER IN WOODLAND PARK REPORTED 
STREET FLOODING WITH VERY HEAVY RAIN CONTINUING. 

DOPPLER RADAR ESTIMATES THAT RAIN TOTALS OF GREATER THAN 2 INCHES 
HAVE OCCURRED NORTH OF WOODLAND PARK ALONG THE DOUGLAS COUNTY 
LINE...AND ADDITIONAL RAINFALL OF 1 TO 2 INCHES IS EXPECTED OVER ALL 
OF NORTHERN TELLER COUNTY. 

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 3912 10532 3896 10532 3897 10502 3906 10502
      3912 10504

$$
000 
WGUS75 KPUB 062344
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
540 PM MDT MON AUG 6 2007

COC119-070130-
TELLER CO-
540 PM MDT MON AUG 6 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM MDT FOR
NORTHERN TELLER COUNTY...

AT 534 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A STORM PRODUCING VERY HEAVY RAIN ALONG THE DOUGLAS COUNTY 
LINE TO THE NORTH OF WOODLAND PARK. 

AN AUTOMATED RAIN GAUGE EAST OF WESTCREEK...IN EXTREME SOUTHERN 
DOUGLAS COUNTY...INDICATED THAT 2.52 INCHES OF RAIN HAS FALLEN FROM 
THIS STORM SINCE 4 PM MDT.

EXCESSIVE RUNOFF FROM THE STORMS WILL CAUSE FLASH FLOODING OF CREEKS 
AND STREAMS...ROADS AND ROADSIDE CULVERTS...ESPECIALLY ALONG TROUT 
CREEK AND HIGHWAY 67 NORTH OF WOODLAND PARK. 

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 3912 10532 3896 10532 3897 10502 3906 10502
      3912 10504

$$
000 
WGUS75 KPUB 070019
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
616 PM MDT MON AUG 6 2007

COC119-070130-
TELLER CO-
616 PM MDT MON AUG 6 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM MDT FOR
NORTHERN TELLER COUNTY...

AT 612 PM MDT...A LARGE AREA OF LIGHT TO MODERATE RAINFALL CONTINUED 
OVER NORTHERN TELLER COUNTY...WITH THE HEAVIEST RAINFALL ALONG THE 
DOUGLAS COUNTY LINE NORTH OF WOODLAND PARK. 

EXCESSIVE RUNOFF FROM STORMS EARLIER THIS EVENING WILL CONTINUE TO 
CAUSE FLASH FLOODING OF CREEKS AND STREAMS...ROADS AND ROADSIDE 
CULVERTS...ESPECIALLY ALONG TROUT CREEK AND HIGHWAY 67 NORTH OF 
WOODLAND PARK...THROUGH 730 PM MDT.  

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 3912 10532 3896 10532 3897 10502 3906 10502
      3912 10504

$$
000 
WGUS75 KPUB 070045
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
645 PM MDT MON AUG 6 2007

COC119-070055-
TELLER CO-
645 PM MDT MON AUG 6 2007

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN TELLER
COUNTY...

HEAVY RAIN HAS MOVED OUT OF THE AREA...AND WATER LEVELS HAVE GONE
DOWN.

LAT...LON 3912 10532 3896 10532 3897 10502 3906 10502
      3912 10504

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 6:05 PM MDTFlash Flood WarningPUBEl Paso3 hr
Aug 6, 12:28 PM MDTSevere Thunderstorm WarningPUBLas Animas92 min
Aug 6, 2:05 PM MDTSevere Thunderstorm WarningPUBHuerfano, Pueblo27 min
Aug 6, 3:06 PM MDTSevere Thunderstorm WarningPUBLas Animas84 min
Aug 6, 4:19 PM MDTSevere Thunderstorm WarningPUBCrowley, Otero56 min
Aug 6, 4:35 PM MDTSevere Thunderstorm WarningPUBFremont55 min
Aug 6, 5:06 PM MDTSevere Thunderstorm WarningPUBEl Paso54 min
Aug 6, 5:24 PM MDTFlash Flood WarningPUBEl Paso3 hr
Aug 6, 5:29 PM MDTSevere Thunderstorm WarningPUBFremont, Pueblo61 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.