Alert archive / Colorado / Flash Flood Warnings in 2014

Flash Flood Warning 40, NWS Pueblo, CO

July 18, 2014Huerfano County, Las Animas County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 18, 2014, 5:41 PM MDT for Huerfano County, Las Animas County, Colorado. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 18, 2014, 5:41 PM MDT (23:41 UTC)
Expired: Jul 18, 2014, 7:45 PM MDT
In force: 2 hr
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Flood severity: None

Counties Huerfano County, CO, Las Animas County, CO

The radar

The Pueblo radar (KPUX), 128 km from the middle of the area, began a volume at 23:40 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

Denver, CO (KDEN), launched 12:00Z, 11.7 hours before the alert went out and 305 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: 2475 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 81 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.

906 
WGUS55 KPUB 182341
FFWPUB
COC055-071-190145-
/O.NEW.KPUB.FF.W.0040.140718T2341Z-140719T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
541 PM MDT FRI JUL 18 2014

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN LAS ANIMAS COUNTY IN SOUTHEAST COLORADO...
  SOUTH CENTRAL HUERFANO COUNTY IN SOUTHEAST COLORADO...

* UNTIL 745 PM MDT
    
* AT 539 PM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING 
  HEAVY RAIN ACROSS THE EAST PEAK BURN SCAR. A HALF INCH OF RAIN HAS 
  FALLEN SO FAR ON THE NORTHWESTERN PORTIONS OF THE BURN SCAR.  
  FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. EXCESSIVE RAINFALL 
  OVER THE BURN SCAR WILL RESULT IN DEBRIS FLOW...CONSISTING OF 
  ROCK...MUD...VEGETATION AND OTHER LOOSE MATERIALS.

ADDITIONAL RAINFALL AMOUNTS OF AN INCH ARE POSSIBLE IN THE WARNED 
AREA.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...SANTA CLARA
CREEK...WAHATOYA CREEK...SOUTH SANTA CLARA CREEK...CHERRY CREEK...
MIDDLE FORK TRUJILLO CREEK AND NORTH FORK TRUJILLO CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3747 10480 3742 10480 3738 10492 3746 10497

$$

MOORE

2 follow-up statements

177 
WGUS75 KPUB 182355
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
555 PM MDT FRI JUL 18 2014

COC055-071-190145-
/O.CON.KPUB.FF.W.0040.000000T0000Z-140719T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAS ANIMAS CO-HUERFANO CO-
555 PM MDT FRI JUL 18 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR
WESTERN LAS ANIMAS AND SOUTH CENTRAL HUERFANO COUNTIES...

AT 553 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY
RAIN ACROSS THE WARNED AREA. UP TO ONE INCH OF RAIN HAS ALREADY
FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

EXCESSIVE RAINFALL OVER THE BURN SCAR WILL RESULT IN DEBRIS 
FLOW...CONSISTING OF ROCK...MUD...VEGETATION AND OTHER LOOSE 
MATERIALS.

ADDITIONAL RAINFALL AMOUNTS OF UP TO AN INCH ARE POSSIBLE IN THE 
WARNED AREA.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...SANTA CLARA
CREEK...WAHATOYA CREEK...SOUTH SANTA CLARA CREEK...CHERRY CREEK...
MIDDLE FORK TRUJILLO CREEK AND NORTH FORK TRUJILLO CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3747 10480 3742 10480 3738 10492 3746 10497

$$

MOORE

855 
WGUS75 KPUB 190053
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
653 PM MDT FRI JUL 18 2014

COC055-071-190102-
/O.CAN.KPUB.FF.W.0040.000000T0000Z-140719T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAS ANIMAS CO-HUERFANO CO-
653 PM MDT FRI JUL 18 2014

...THE FLASH FLOOD WARNING FOR WESTERN LAS ANIMAS AND SOUTH CENTRAL
HUERFANO COUNTIES IS CANCELLED...

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

LAT...LON 3747 10480 3742 10480 3738 10492 3746 10497

$$

MOORE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 6:19 PM MDT	Special Weather Statement	PUB	Alamosa	26 min
Jul 17, 6:42 PM MDT	Special Weather Statement	PUB	Alamosa	33 min
Jul 17, 7:13 PM MDT	Special Weather Statement	PUB	Custer	32 min
Jul 17, 7:41 PM MDT	Special Weather Statement	PUB	Saguache	34 min
Jul 17, 7:51 PM MDT	Severe Thunderstorm Warning	PUB	Saguache	39 min
Jul 18, 3:20 PM MDT	Special Weather Statement	PUB	Teller	25 min
Jul 18, 4:19 PM MDT	Special Weather Statement	PUB	Custer	26 min
Jul 18, 4:58 PM MDT	Special Weather Statement	PUB	Huerfano	32 min
Jul 18, 5:00 PM MDT	Special Weather Statement	PUB	Kiowa	30 min
Jul 18, 5:10 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa	38 min

Nearby

Flash Flood Warnings in Colorado, 2014 Every flash flood warning in 2014

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.