Alert archive / Colorado / Flash Flood Warnings in 2016

Flash Flood Warning 22, NWS Pueblo, CO

August 12, 2016Custer County, Fremont County, Saguache County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 12, 2016, 7:49 PM MDT for Custer County, Fremont County, Saguache County, Colorado. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 12, 2016, 7:49 PM MDT (01:49 UTC)
Expired: Aug 12, 2016, 9:45 PM MDT
In force: 116 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Flood severity: None

Counties Custer County, CO, Fremont County, CO, Saguache County, CO

The radar

The Pueblo radar (KPUX), 137 km from the middle of the area, began a volume at 01:48 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

Grand Junction, CO (KGJT), launched 00:00Z, 1.8 hours before the alert went out and 256 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 4188 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: -31 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

365 
WGUS55 KPUB 130149
FFWPUB
COC027-043-109-130345-
/O.NEW.KPUB.FF.W.0022.160813T0149Z-160813T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
749 PM MDT FRI AUG 12 2016

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN SAGUACHE COUNTY IN CENTRAL COLORADO...
  SOUTHWESTERN FREMONT COUNTY IN CENTRAL COLORADO...
  NORTHWESTERN CUSTER COUNTY IN SOUTHEASTERN COLORADO...

* UNTIL 945 PM MDT

* AT 748 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE HAYDEN PASS BURN SCAR. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY. RADAR INDICATED 0.5 INCHES OF RAIN HAS
  FALLEN BETWEEN 715 PM AND 745 PM.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  COALDALE.

EXCESSIVE RAINFALL OVER THE WARNED AREA WILL CAUSE MUD SLIDES NEAR
STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF ROCK...MUD...VEGETATION
AND OTHER LOOSE MATERIALS.

LAT...LON 3839 10574 3823 10563 3822 10567 3826 10575
      3828 10586 3835 10583

$$

HODANISH

4 follow-up statements

920 
WGUS75 KPUB 130203
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
803 PM MDT FRI AUG 12 2016

COC027-043-109-130345-
/O.CON.KPUB.FF.W.0022.000000T0000Z-160813T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAGUACHE CO-FREMONT CO-CUSTER CO-
803 PM MDT FRI AUG 12 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM MDT FOR
NORTHEASTERN SAGUACHE...SOUTHWESTERN FREMONT AND NORTHWESTERN CUSTER
COUNTIES...

AT 801 PM MDT...DOPPLER RADAR INDICATED THE HEAVIEST RAIN HAS MOVED
OFF THE BURN SCAR. RAINFALL ESTIMATES OF 0.6 TO 0.7 INCHES OF RAIN
HAS BEEN ESTIMATED BY THE RADAR. THE HEAVIEST RAIN FELL OVER HAYDEN
CREEK BASIN.

EXCESSIVE RAINFALL OVER THE WARNED AREA WILL CAUSE MUD SLIDES NEAR
STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF ROCK...MUD...VEGETATION
AND OTHER LOOSE MATERIALS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COALDALE.

LAT...LON 3839 10574 3823 10563 3822 10567 3826 10575
      3828 10586 3835 10583

$$

HODANISH

615 
WGUS75 KPUB 130232
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
832 PM MDT FRI AUG 12 2016

COC027-043-109-130345-
/O.CON.KPUB.FF.W.0022.000000T0000Z-160813T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAGUACHE CO-FREMONT CO-CUSTER CO-
832 PM MDT FRI AUG 12 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM MDT FOR
NORTHEASTERN SAGUACHE...SOUTHWESTERN FREMONT AND NORTHWESTERN CUSTER
COUNTIES...

AT 826 PM MDT...DOPPLER RADAR INDICATED THAT HEAVY RAIN WAS NO
LONGER FALLING ON THE HAYDEN BURN SCAR. LITTLE IF ANY RAIN WAS
FALLING ON THE WESTERN SECTIONS OF THE BURN SCAR...WHILE OVER THE
EASTERN END OF THE SCAR LIGHT TO OCCASIONALLY MODERATE RAIN WAS
STILL OCCURRING. 

SOME ADDITIONAL RAIN WILL BE POSSIBLE ACROSS THE ENTIRE HAYDEN BURN
SCAR THROUGH 9 PM. FLASH FLOODING AND MUD FLOWS HAVE LIKELY OCCURRED
IN PARTS OF THE BURN SCAR REGION...ESPECIALLY IN AND ALONG HAYDEN
CREEK. PEOPLE LIVING IN AND NEAR THE BURN SCAR SHOULD USE EXTREME
CAUTION UNTIL THE RAIN MOVE COMPLETELY OUT OF THE REGION. THE RAIN
SHOULD COME TO A COMPLETE END AFTER 9 PM. 

EXCESSIVE RAINFALL OVER THE WARNED AREA WILL CAUSE MUD SLIDES NEAR
STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF ROCK...MUD...VEGETATION
AND OTHER LOOSE MATERIALS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COALDALE.

LAT...LON 3839 10574 3823 10563 3822 10567 3826 10575
      3828 10586 3835 10583

$$

HODANISH

599 
WGUS75 KPUB 130317
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
917 PM MDT FRI AUG 12 2016

COC027-043-109-130345-
/O.CON.KPUB.FF.W.0022.000000T0000Z-160813T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAGUACHE CO-FREMONT CO-CUSTER CO-
917 PM MDT FRI AUG 12 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM MDT FOR
NORTHEASTERN SAGUACHE...SOUTHWESTERN FREMONT AND NORTHWESTERN CUSTER
COUNTIES...

AT 915 PM MDT...DOPPLER RADAR INDICATED NO RAIN WAS FALLING OVER THE
HAYDEN PASS BURN SCAR. WATER IS LIKELY STILL RUNNING HIGH IN CREEKS
AND DRAINAGES IN THE BURN SCAR AREA...ESPECIALLY ALONG HAYDEN CREEK.

NO ADDITIONAL RAIN IS ANTICIPATED TONIGHT.

THIS FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 945 PM.

LAT...LON 3839 10574 3823 10563 3822 10567 3826 10575
      3828 10586 3835 10583

$$

HODANISH

935 
WGUS75 KPUB 130336
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
936 PM MDT FRI AUG 12 2016

COC027-043-109-130346-
/O.EXP.KPUB.FF.W.0022.000000T0000Z-160813T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAGUACHE CO-FREMONT CO-CUSTER CO-
936 PM MDT FRI AUG 12 2016

...THE FLASH FLOOD WARNING FOR NORTHEASTERN SAGUACHE...SOUTHWESTERN
FREMONT AND NORTHWESTERN CUSTER COUNTIES 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.

LAT...LON 3839 10574 3823 10563 3822 10567 3826 10575
      3828 10586 3835 10583

$$

HODANISH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 7:38 PM MDT	Areal Flood Advisory	PUB	Custer, Fremont, Saguache	112 min
Aug 13, 3:55 PM MDT	Special Weather Statement	PUB	Las Animas	50 min
Aug 13, 5:07 PM MDT	Special Weather Statement	PUB	Kiowa	23 min
Aug 13, 5:35 PM MDT	Special Weather Statement	PUB	Kiowa	25 min
Aug 13, 5:53 PM MDT	Areal Flood Advisory	PUB	Kiowa	112 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.