Alert archive / Colorado / Flash Flood Warnings in 2015

Flash Flood Warning 42, NWS Pueblo, CO

August 13, 2015Custer County, Fremont County, Pueblo County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 13, 2015, 9:03 PM MDT for Custer County, Fremont 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: Aug 13, 2015, 9:03 PM MDT (03:03 UTC)
Expired: Aug 14, 2015, 12:00 AM MDT
In force: 3 hr
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Flood severity: None

Counties Custer County, CO, Fremont County, CO, Pueblo County, CO

The radar

The Pueblo radar (KPUX), 74 km from the middle of the area, began a volume at 03:07 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 13, 11:09 PM MDT	HEAVY RAIN 1.32	1 S Beulah, CO

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, 3.1 hours before the alert went out and 239 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: 172 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 2761 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 29 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.

828 
WGUS55 KPUB 140311
FFWPUB
COC027-043-101-140600-
/O.NEW.KPUB.FF.W.0042.150814T0303Z-150814T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
903 PM MDT THU AUG 13 2015

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN FREMONT COUNTY IN CENTRAL COLORADO...NORTHEASTERN 
  CUSTER COUNTY IN SOUTHEASTERN COLORADO...AND WEST CENTRAL 
  PUEBLO COUNTY IN SOUTHEASTERN COLORADO...INCLUDING THE MASON GULCH 
  BURN SCAR...AND THE SAINT CHARLES HARDSCRABBLE...AND RED CREEK 
  RIVER DRAINAGES.

* UNTIL MIDNIGHT MDT
    
* AT 903 PM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO 
  BEGIN SHORTLY. EXCESSIVE RAINFALL WILL RESULT IN DEBRIS FLOW 
  MOVING THROUGH THE BURN SCAR AND RIVER DRAINAGES. THE DEBRIS FLOW 
  CAN CONSIST OF ROCK...MUD...VEGETATION AND OTHER LOOSE MATERIALS.

* SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...AREAS IN AND 
  AROUND WETMORE AND BEULAH...INCLUDING THE MASON GULCH BURN SCAR. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

MOVE AWAY FROM RECENTLY BURNED AREAS. LIFE THREATENING FLOODING OF
CREEKS...ROADS AND NORMALLY DRY ARROYOS IS LIKELY. THE HEAVY RAINS
WILL LIKELY TRIGGER ROCKSLIDES...MUDSLIDES AND DEBRIS FLOWS IN STEEP
TERRAIN...ESPECIALLY IN AND AROUND THESE AREAS.

&&

LAT...LON 3830 10483 3800 10480 3803 10516 3833 10518

$$

LW

2 follow-up statements

975 
WGUS75 KPUB 140403
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
955 PM MDT THU AUG 13 2015

COC027-043-101-140600-
/O.CON.KPUB.FF.W.0042.000000T0000Z-150814T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-CUSTER CO-PUEBLO CO-
955 PM MDT THU AUG 13 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT FOR
SOUTHEASTERN FREMONT...NORTHEASTERN CUSTER AND WEST CENTRAL PUEBLO
COUNTIES...

AT 955 PM MDT...DOPPLER RADAR INDICATED THAT WIDESPREAD HEAVY RAIN 
HAD MOVED OUT OF THE WARNED AREA.  HOWEVER...RUNOFF FROM EARLIER 
HEAVY RAINFALL...AND CONTINUING MODERATE SHOWERS...WILL CONTINUE THE 
FLASH FLOOD THREAT FOR A WHILE LONGER.

EXCESSIVE RAINFALL RUNOFF OVER THE WARNED AREA WILL RESULT IN DEBRIS 
FLOW MOVING THROUGH THE MASON GULCH BURN SCAR...AND PARTS OF THE 
SAINT CHARLES...RED CREEK AND HARDSCRABBLE CREEK RIVER DRAINAGES 
LOCATED ALONG THE WET MOUNTAINS NEAR BEULAH AND WETMORE.
 
THE DEBRIS FLOW CAN CONSIST OF ROCK...MUD...VEGETATION AND OTHER 
LOOSE MATERIALS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WETMORE AND BEULAH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

MOVE AWAY FROM RECENTLY BURNED AREAS. LIFE THREATENING FLOODING OF
CREEKS...ROADS AND NORMALLY DRY ARROYOS IS LIKELY. THE HEAVY RAINS
WILL LIKELY TRIGGER ROCKSLIDES...MUDSLIDES AND DEBRIS FLOWS IN STEEP
TERRAIN...ESPECIALLY IN AND AROUND THESE AREAS.

&&

LAT...LON 3830 10483 3800 10480 3803 10516 3833 10518

$$

LW

688 
WGUS75 KPUB 140454
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1053 PM MDT THU AUG 13 2015

COC027-043-101-140503-
/O.CAN.KPUB.FF.W.0042.000000T0000Z-150814T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FREMONT CO-CUSTER CO-PUEBLO CO-
1053 PM MDT THU AUG 13 2015

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN FREMONT...NORTHEASTERN
CUSTER AND WEST CENTRAL PUEBLO COUNTIES IS CANCELLED...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT.

LAT...LON 3830 10483 3800 10480 3803 10516 3833 10518

$$

LW

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 13, 6:00 PM MDT	Areal Flood Advisory	PUB	Baca	3 hr
Aug 13, 8:28 PM MDT	Special Weather Statement	PUB	Kiowa	47 min
Aug 13, 9:01 PM MDT	Areal Flood Advisory	PUB	Pueblo	3 hr
Aug 13, 9:12 PM MDT	Areal Flood Advisory	PUB	Las Animas	3 hr
Aug 13, 9:40 PM MDT	Areal Flood Advisory	PUB	Pueblo	3 hr
Aug 13, 11:41 PM MDT	Areal Flood Advisory	PUB	Las Animas	3 hr
Aug 14, 4:44 PM MDT	Special Weather Statement	PUB	Teller	46 min
Aug 14, 4:58 PM MDT	Areal Flood Advisory	PUB	Teller	2 hr
Aug 14, 5:07 PM MDT	Flash Flood Warning	PUB	Teller	83 min

Nearby

Flash Flood Warnings in Colorado, 2015 Every flash flood warning in 2015

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.