Alert archive / Colorado / Flash Flood Warnings in 2016

Flash Flood Warning 29, NWS Pueblo, CO

August 23, 2016Fremont County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 23, 2016, 4:09 PM MDT for Fremont County, Colorado. It was in force for 6 hr. 2 reports 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: Aug 23, 2016, 4:09 PM MDT (22:09 UTC)
Expired: Aug 23, 2016, 9:45 PM MDT
In force: 6 hr
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Flood severity: None

County Fremont County, CO

The radar

The Pueblo radar (KPUX), 139 km from the middle of the area, began a volume at 22:09 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

Time	Report	Where	Remark
Aug 23, 5:50 PM MDT	FLASH FLOOD	3 S Coaldale, CO	FLASH FLOODING OF BIG COTTONWOOD CREEK FLOWING OFF HAYDEN BURN SCAR. FLOOD WATERS IMPACTING HOUSES. .
Aug 23, 6:33 PM MDT	FLASH FLOOD	2 Sse Coaldale, CO	FLASH FLOODING OF LITTLE COTTONWOOD CREEK. BRIDGE ON DINKLE DITCH ROAD HAS BEEN COMPROMISED. .

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

The nearest sounding before it

Grand Junction, CO (KGJT), launched 12:00Z, 10.2 hours before the alert went out and 254 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: 10 J/kg
Mixed-layer CIN: -274 J/kg
Mixed-layer LCL: 1577 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

182 
WGUS55 KPUB 232213
FFWPUB
COC043-240045-
/O.NEW.KPUB.FF.W.0029.160823T2209Z-160824T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
409 PM MDT TUE AUG 23 2016

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN FREMONT COUNTY IN CENTRAL COLORADO...

* UNTIL 645 PM MDT

* AT 409 PM MDT...DOPPLER RADAR CONTINUES TO INDICATE STEADY LIGHT
  TO MODERATE RAIN CONTINUING TO FALL OVER THE HAYDEN BURN SCAR.
  THIS ADDITIONAL RAIN FALLING ON SATURATED GROUND AND HYDROPHOBIC 
  SOILS WILL LIKELY ALLOW FOR RAPID RUNOFF OF ANY ADDITIONAL RAIN
  THAT FALLS ON THE BURN SCAR. THE HEAVIEST RAIN WAS FALLING OVER
  THE WOLF CREEK AND HAYDEN CREEK DRAINAGES. RADAR HAS INDICATED
  BETWEEN 0.3 AND 0.7 INCHES OF RAIN HAS FALLEN OVER THE BURN SCAR
  REGION.

* FLASH FLOODING WILL REMAIN OVER MAINLY RURAL AREAS OF SOUTHWESTERN
  FREMONT COUNTY.

LAT...LON 3837 10573 3827 10567 3827 10579 3830 10584
      3834 10582

$$

HODANISH

11 follow-up statements

861 
WGUS75 KPUB 232246
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
440 PM MDT TUE AUG 23 2016

COC043-240045-
/O.CON.KPUB.FF.W.0029.000000T0000Z-160824T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
440 PM MDT TUE AUG 23 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM MDT FOR
SOUTHWESTERN FREMONT COUNTY...

AT 440 PM MDT...LIGHT TO MODERATE RAIN CONTINUES OVER THE HAYDEN
PASS BURN SCAR. RADAR INDICATES BETWEEN 0.5 AND 0.8 INCHES OF RAIN
HAS FALLEN OVER THE WOLF CREEK...COTTONWOOD CREEK AND HAYDEN CREEK
BASINS. THE GROUND ACROSS THIS BURN SCAR IS VERY SATURATED AND FLASH
FLOODING IS LIKELY. 

EXCESSIVE RAINFALL OVER THE BURN SCAR HAVE THE POTENTIAL TO RESULT
IN DEBRIS FLOW MOVING THROUGH THE HAYDEN BURN SCAR. THE DEBRIS FLOW
CAN CONSIST OF ROCK...MUD...VEGETATION AND OTHER LOOSE MATERIALS.

FLASH FLOODING WILL REMAIN A THREAT THROUGH AT LEAST EARLY EVENING
ACROSS THE BURN SCAR. 

LAT...LON 3837 10573 3827 10567 3827 10579 3830 10584
      3834 10582

$$

HODANISH

293 
WGUS75 KPUB 232333
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
528 PM MDT TUE AUG 23 2016

COC043-240045-
/O.CON.KPUB.FF.W.0029.000000T0000Z-160824T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
528 PM MDT TUE AUG 23 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM MDT FOR
SOUTHWESTERN FREMONT COUNTY...

AT 528 PM MDT...LIGHT TO MODERATE RAIN CONTINUES TO FALL ACROSS THE
HAYDEN PASS BURN SCAR. RADAR ESTIMATED RAINFALL AMOUNT BETWEEN 0.5
AND 1.0 INCHES OF RAIN HAS FALLEN OVER THE WESTERN SECTIONS OF THE
BURN SCAR SINCE 2:30 PM THIS AFTERNOON. DEBRIS FLOWS AND FLASH
FLOODING ARE LIKELY OCCURRING IN THE BURN SCAR REGION. 

THE HEAVIEST RAIN CONTINUES TO FALL IN THE HAYDEN CREEK AND WOLF
CREEK BASINS.

LAT...LON 3837 10573 3827 10567 3827 10579 3830 10584
      3834 10582

$$

HODANISH

083 
WGUS75 KPUB 232342
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
537 PM MDT TUE AUG 23 2016

COC043-240045-
/O.CON.KPUB.FF.W.0029.000000T0000Z-160824T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
537 PM MDT TUE AUG 23 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM MDT FOR
SOUTHWESTERN FREMONT COUNTY...

AT 537 PM MDT...THE FREMONT COUNTY FIRE DEPARTMENT REPORTED MAJOR
FLASH FLOODING IS IN PROGRESS IN BIG COTTONWOOD CREEK IN THE HAYDEN
BURN SCAR AREA. THIS IS A LIFE THREATENING SITUATION. EVACUATE TO
HIGHER GROUND IMMEDIATELY. 

RESIDENCE ALONG COUNTY ROAD 40 SHOULD EVACUATE IMMEDIATELY TO HIGHER
GROUND. 

LAT...LON 3837 10573 3827 10567 3827 10579 3830 10584
      3834 10582

$$

HODANISH/KT

886 
WGUS75 KPUB 232354
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
550 PM MDT TUE AUG 23 2016

COC043-240045-
/O.CON.KPUB.FF.W.0029.000000T0000Z-160824T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
550 PM MDT TUE AUG 23 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM MDT FOR
SOUTHWESTERN FREMONT COUNTY...

AT 550 PM MDT...THE FREMONT COUNTY FIRE DEPARTMENT WAS REPORTING
FLASH FLOODING DAMAGING BUILDINGS LOCATED WHERE BUTTER CREEK MERGES
INTO THE BIG COTTONWOOD CREEK. 

THIS IS A LIFE THREATENING SITUATION. CLIMB TO HIGHER GROUND
IMMEDIATELY. 

MODERATE RAIN WAS OCCURRING OVER MOST OF THE BURN SCAR AT 553 PM. 

LAT...LON 3837 10573 3827 10567 3827 10579 3830 10584
      3834 10582

$$

HODANISH

068 
WGUS75 KPUB 240011
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
601 PM MDT TUE AUG 23 2016

COC043-240045-
/O.CON.KPUB.FF.W.0029.000000T0000Z-160824T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
601 PM MDT TUE AUG 23 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM MDT FOR
SOUTHWESTERN FREMONT COUNTY...

AT 601 PM MDT...REPORTS FROM FREMONT COUNTY FIRE DEPARTMENT AND THE
MEDIA INDICATE MAJOR FLASH FLOODING IS IN PROGRESS IN AND AROUND THE
HAYDEN PASS BURN SCAR REGION. BRIDGES HAVE BEEN WASHED OUT AND
STRUCTURES ARE BEING DAMAGED BY FLASH FLOODING AND DEBRIS FLOWS. THE
DAMAGE WAS OCCURRING ALONG COUNTY ROAD 40. 

RADAR AT 604 PM WAS SHOWING BANDS OF MODERATE RAIN MOVING TOWARDS
THE BURN SCAR REGION. ANOTHER ACCUMULATING RAIN IS IMMINENT. ANOTHER
0.5 TO 1.0 INCH OF RAIN WILL BE POSSIBLE. 

THIS HEAVY RAIN WILL DRAIN INTO THE ARKANSAS RIVER EAST OF COALDALE.
PEOPLE DRIVING ON HIGHWAY 50 SHOULD USE EXTREME CAUTION BETWEEN
COALDALE AND COTOPAXI. HEED ALL WARNING SIGNS. 

IF WATER IS CROSSING THE ROAD...DO NOT DRIVE THROUGH IT. THE ROAD
MAY BE UNDERMINED BY THE WATER. 

THIS IS A LIFE THREATENING SITUATION. CLIMB TO HIGHER GROUND
IMMEDIATELY. BRIDGES HAVE ALREADY BEEN WASHED OUT ALONG COUNTY ROAD
40. 


LAT...LON 3837 10573 3827 10567 3827 10579 3830 10584
      3834 10582

$$

HODANISH

355 
WGUS55 KPUB 240026
FFWPUB
COC043-240345-
/O.EXT.KPUB.FF.W.0029.000000T0000Z-160824T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
621 PM MDT TUE AUG 23 2016

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN FREMONT COUNTY IN CENTRAL COLORADO...

* UNTIL 945 PM MDT

* AT 621 PM MDT...MAJOR FLASH FLOODING IS OCCURRING IN AND AROUND
  THE HAYDEN BURN SCAR REGION. BRIDGES ALONG COUNTY ROAD 40 HAVE
  BEEN WASHED OUT. BUILDINGS IN THE VICINITY OF BUTTER CREEK AND BIG
  COTTONWOOD CREE HAVE BEEN IMPACTED BY FLASH FLOODING. RADAR
  INDICATED RAIN WAS CONTINUING OVER MOST OF THE BURN SCAR REGION.
  THIS IS A LIFE THREATENING SITUATION. CLIMB TO HIGHER GROUND
  IMMEDIATELY.  

LAT...LON 3837 10573 3827 10567 3827 10579 3830 10584
      3834 10582

$$

HODANISH

511 
WGUS75 KPUB 240043
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
636 PM MDT TUE AUG 23 2016

COC043-240345-
/O.CON.KPUB.FF.W.0029.000000T0000Z-160824T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
636 PM MDT TUE AUG 23 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM MDT FOR
SOUTHWESTERN FREMONT COUNTY...

AT 636 PM MDT...REPORTS FROM THE FREMONT COUNTY FIRE DEPARTMENT
INDICATED THAT FLASH FLOODING IS NOW OCCURRING ALONG LITTLE
COTTONWOOD CREEK. PRIVATE BRIDGES HAVE BEEN COMPROMISED BY THE FLASH
FLOODING ALONG COUNTY ROAD 40. PEOPLE ARE STRANDED IN THE DINKLE
DITCH ROAD REGION DUE TO THE BRIDGE BEING COMPROMISED.

IN ADDITION...FREMONT FIRE DEPARTMENT INDICATES STREAM LEVELS ALONG
BIG COTTONWOOD CREEK HAVE DECREASED 2 FEET FROM EARLIER PEAK FLOW.
SIGNIFICANT DEBRIS IS PILED UP ALONG BUILDINGS IN THE VICINITY OF
BUTTER CREEK AND BIG COTTONWOOD CREEK.

RADAR AT 641 PM INDICATES RAIN RATES ARE DECREASING OVER THE HAYDEN
PASS BURN SCAR. 

LAT...LON 3837 10573 3827 10567 3827 10579 3830 10584
      3834 10582

$$

HODANISH

355 
WGUS75 KPUB 240114
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
706 PM MDT TUE AUG 23 2016

COC043-240345-
/O.CON.KPUB.FF.W.0029.000000T0000Z-160824T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
706 PM MDT TUE AUG 23 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM MDT FOR
SOUTHWESTERN FREMONT COUNTY...

AT 706 PM MDT...ONLY A FEW LIGHT RAIN SHOWERS WERE OCCURRING OVER
THE HAYDEN PASS BURN REGION. 

BASED ON RADAR IMAGERY AND HIGH RESOLUTION MODEL DATA, NO ADDITIONAL
HEAVY RAIN IS EXPECTED ON THE BURN SCAR THROUGH 9 PM THIS EVENING.

FREMONT FIRE DEPARTMENT AT 7 PM INDICATE NO NEW ADDITIONAL FLOODING
WAS OCCURRING. THE SMALL DAM IN THE VICINITY OF HIGHWAY 40 WAS
REPORTED TO BE INTACT. 

STREAM LEVELS IN AND AROUND THE BURN REGION WILL BE DECREASING
THROUGH 8 PM...BUT WILL STILL BE RUNNING HIGH. SIGNIFICANT AMOUNTS
OF DEBRIS HAVE COME DOWN THE MOUNTAIN FROM THIS FLASH FLOOD EVENT. 

LAT...LON 3837 10573 3827 10567 3827 10579 3830 10584
      3834 10582

$$

HODANISH

688 
WGUS75 KPUB 240211
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
811 PM MDT TUE AUG 23 2016

COC043-240345-
/O.CON.KPUB.FF.W.0029.000000T0000Z-160824T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
811 PM MDT TUE AUG 23 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM MDT FOR
SOUTHWESTERN FREMONT COUNTY...

AT 808 PM MDT...LIGHT RAIN SHOWER CONTINUE TO IMPACT THE HAYDEN PASS
BURN SCAR.  

BASED ON RADAR IMAGERY AND HIGH RESOLUTION MODEL DATA, NO ADDITIONAL
HEAVY RAINFALL IS EXPECTED ON THE BURN SCAR THROUGH 9 PM THIS
EVENING.  HOWEVER, ANOTHER ROUND OF RAINFALL IS POSSIBLE AFTER
MIDNIGHT TONIGHT, WHICH COULD PRODUCE FURTHER FLOODING OVER AND NEAR
THE BURN SCAR.

STREAM LEVELS IN AND AROUND THE BURN SCAR WILL CONTINUE TO DECREASE,
BUT WILL STILL BE RUNNING HIGH.  SIGNIFICANT AMOUNTS OF DEBRIS HAVE
COME DOWN THE MOUNTAIN FROM THIS FLASH FLOOD EVENT.

LAT...LON 3837 10573 3827 10567 3827 10579 3830 10584
      3834 10582

$$

KAM

522 
WGUS75 KPUB 240312
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
912 PM MDT TUE AUG 23 2016

COC043-240345-
/O.CON.KPUB.FF.W.0029.000000T0000Z-160824T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
912 PM MDT TUE AUG 23 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM MDT FOR
SOUTHWESTERN FREMONT COUNTY...

AT 907 PM MDT...LIGHT RAIN SHOWERS CONTINUE TO IMPACT THE AREA
AROUND THE HAYDEN PASS BURN SCAR.

STREAM LEVELS IN AND AROUND THE BURN SCAR WILL CONTINUE TO DECREASE.
SIGNIFICANT AMOUNTS OF DEBRIS HAVE COME DOWN THE MOUNTAIN FROM THIS
FLASH FLOOD EVENT.

ANOTHER ROUND OF RAINFALL WILL REMAIN POSSIBLE AFTER MIDNIGHT
TONIGHT.  ADDITIONAL RAINFALL ON THE HAYDEN PASS BURN SCAR COULD
PRODUCE FURTHER FLASH FLOODING AND DEBRIS FLOWS.  FLASH FLOODING AT
NIGHT CAN BE EXTREMELY DANGEROUS, DO NOT LET YOUR GUARD DOWN.

LAT...LON 3837 10573 3827 10567 3827 10579 3830 10584
      3834 10582

$$

KAM

432 
WGUS75 KPUB 240340
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
940 PM MDT TUE AUG 23 2016

COC043-240349-
/O.EXP.KPUB.FF.W.0029.000000T0000Z-160824T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-
940 PM MDT TUE AUG 23 2016

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN FREMONT COUNTY WILL
EXPIRE AT 945 PM MDT...

FLOOD WATERS HAVE RECEDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

ANOTHER ROUND OF RAINFALL WILL REMAIN POSSIBLE OVERNIGHT TONIGHT
WHICH COULD PRODUCE FURTHER FLASH FLOODING ACROSS THE HAYDEN PASS
BURN SCAR.

LAT...LON 3837 10573 3827 10567 3827 10579 3830 10584
      3834 10582

$$

KAM

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 23, 3:00 PM MDT	Areal Flood Advisory	PUB	Fremont	2 hr
Aug 23, 3:18 PM MDT	Special Weather Statement	PUB	El Paso	42 min

Nearby

Flash Flood Warnings in Colorado, 2016 Every flash flood warning in 2016

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.