Alert archive / Colorado / Flash Flood Warnings in 2017

Flash Flood Warning 40, NWS Pueblo, CO

July 29, 2017Custer County, Pueblo County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 29, 2017, 6:39 PM MDT for Custer County, Pueblo County, Colorado. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 29, 2017, 6:39 PM MDT (00:39 UTC)
Expired
Jul 29, 2017, 9:30 PM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

Counties Custer County, CO, Pueblo County, CO

The radar

The Pueblo radar (KPUX), 89 km from the middle of the area, began a volume at 00:41 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
Jul 29, 6:45 PM MDTFLASH FLOOD9 Ssw Wetmore, CODEBRIS ALL ALONG HWY 165 FROM MAKINZE JUNCTION TO MILEPOST 6. HWY 165 UNPASSABLE. ROADS 386 AND 387 ARE WASHING OUT.

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

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 0.7 hours before the alert went out and 253 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 2017-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2017-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2202 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

866 
WGUS55 KPUB 300039
FFWPUB
COC027-101-300330-
/O.NEW.KPUB.FF.W.0040.170730T0039Z-170730T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
639 PM MDT SAT JUL 29 2017

The National Weather Service in Pueblo has issued a

* Flash Flood Warning for...
  East central Custer County in southeastern Colorado...
  West central Pueblo County in southeastern Colorado...

* Until 930 PM MDT

* At 636 PM MDT, flash flooding was reported in the Junkins burn 
  scar. Flash flooding was reported 6 miles south of Mckenzie 
  Junction along highway 165. Trees and rock were reported moving 
  over the road. 


LAT...LON 3806 10513 3813 10530 3825 10503 3812 10494

$$

Hodanish
4 follow-up statements
746 
WGUS75 KPUB 300048
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
648 PM MDT SAT JUL 29 2017

COC027-101-300330-
/O.CON.KPUB.FF.W.0040.000000T0000Z-170730T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Custer CO-Pueblo CO-
648 PM MDT SAT JUL 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM MDT FOR
EAST CENTRAL CUSTER AND WEST CENTRAL PUEBLO COUNTIES...

At 646 PM MDT, Custer county emergency management officials reported 
flash flooding in the Junkins burn scar region. Flash flooding was 
reported 6 miles south on McKenzie Junction. Trees, rocks and mud 
were on the roadway. County roads 386 and 387 have been washed out. 

LAT...LON 3806 10513 3813 10530 3825 10503 3812 10494

$$

Hodanish
689 
WGUS75 KPUB 300120
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
720 PM MDT SAT JUL 29 2017

COC027-101-300330-
/O.CON.KPUB.FF.W.0040.000000T0000Z-170730T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Custer CO-Pueblo CO-
720 PM MDT SAT JUL 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM MDT FOR
EAST CENTRAL CUSTER AND WEST CENTRAL PUEBLO COUNTIES...

At 717 PM MDT, Custer county is evacuating Wetmore and Greenwood due 
to flooding heading towards those cities. Water is 3 to 4 feet over 
the highway 96 bridge over hardscrabble creek in the town of Wetmore. 
The bridge is expected to fail. 

LAT...LON 3806 10513 3813 10530 3825 10503 3812 10494

$$

Hodanish
870 
WGUS75 KPUB 300145
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
745 PM MDT SAT JUL 29 2017

COC027-101-300330-
/O.CON.KPUB.FF.W.0040.000000T0000Z-170730T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Custer CO-Pueblo CO-
745 PM MDT SAT JUL 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM MDT FOR
EAST CENTRAL CUSTER AND WEST CENTRAL PUEBLO COUNTIES...

At 738 PM MDT, Doppler radar indicated light rain falling over the 
Junkins burn scar region. At this time additional heavy rain is not 
expected in the immediate future, but additional heavy rain later on 
this evening cannot be ruled out. 

Significant flash flooding is ongoing along Hardscrabble creek, and 
many roadways that run along this creek are impassable. This 
includes highway 96. Highway 165 is also impassable. 

LAT...LON 3806 10513 3813 10530 3825 10503 3812 10494

$$

Hodanish
542 
WGUS75 KPUB 300224
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
824 PM MDT SAT JUL 29 2017

COC027-101-300330-
/O.CON.KPUB.FF.W.0040.000000T0000Z-170730T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Custer CO-Pueblo CO-
824 PM MDT SAT JUL 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM MDT FOR
EAST CENTRAL CUSTER AND WEST CENTRAL PUEBLO COUNTIES...

At 814 PM MDT, reports of the Custer County emergency management 
indicated the water on Hardscrabble creek is receding. The water is 3 
to 4 feet below the bridge in Wetmore. 

Significant amounts of debris are still flowing in hardscrabble creek 
and officials are concerned that culverts may get blocked and 
additional flooding could occur. 

Highway 96 is open. Many county roads are damaged and closed. 
Highway 165 was reported impassable from mile marker 1 through 6.

LAT...LON 3806 10513 3813 10530 3825 10503 3812 10494

$$

Hodanish

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 6:16 PM MDTFlash Flood WarningPUBPueblo119 min
Jul 29, 6:22 PM MDTSpecial Weather StatementPUBBent23 min
Jul 29, 6:33 PM MDTFlash Flood WarningPUBFremont, Pueblo3 hr
Jul 29, 7:11 PM MDTSpecial Weather StatementPUBBaca49 min
Jul 29, 7:25 PM MDTSpecial Weather StatementPUBBent35 min
Jul 29, 7:35 PM MDTAreal Flood AdvisoryPUBEl Paso, Pueblo3 hr
Jul 29, 7:55 PM MDTFlash Flood WarningPUBCuster, Fremont3 hr
Jul 29, 8:12 PM MDTAreal Flood AdvisoryPUBBaca2 hr
Jul 29, 10:11 PM MDTAreal Flood AdvisoryPUBBent, Crowley, Kiowa, Otero3 hr
Jul 29, 10:50 PM MDTFlash Flood WarningPUBLas Animas115 min
Jul 30, 3:01 AM MDTFlash Flood WatchPUBAlamosa, Baca, Bent, Chaffee, Costilla, Crowley and 12 more24 hr
Jul 30, 2:56 PM MDTAreal Flood AdvisoryPUBHuerfano, Las Animas2 hr
Jul 30, 3:27 PM MDTSpecial Weather StatementPUBCrowley48 min
Jul 30, 3:34 PM MDTAreal Flood AdvisoryPUBPueblo116 min
Jul 30, 3:55 PM MDTAreal Flood AdvisoryPUBPueblo2 hr
Jul 30, 4:11 PM MDTSpecial Weather StatementPUBEl Paso34 min
Jul 30, 4:15 PM MDTAreal Flood AdvisoryPUBEl Paso, Fremont, Pueblo, Teller2 hr
Jul 30, 4:31 PM MDTAreal Flood AdvisoryPUBEl Paso119 min
Jul 30, 4:54 PM MDTAreal Flood AdvisoryPUBCuster, Fremont3 hr
Jul 30, 5:05 PM MDTSpecial Weather StatementPUB25 min
Jul 30, 5:19 PM MDTAreal Flood AdvisoryPUBLas Animas116 min

Nearby

Flash Flood Warnings in Colorado, 2017Every flash flood warning in 2017

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.