Alert archive / Colorado / Flash Flood Warnings in 2015

Flash Flood Warning 41, NWS Pueblo, CO

August 10, 2015Pueblo County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 10, 2015, 4:55 PM MDT for Pueblo County, Colorado. It was in force for 2 hr. 3 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 10, 2015, 4:55 PM MDT (22:55 UTC)
Expired: Aug 10, 2015, 7:00 PM MDT
In force: 2 hr
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Flood severity: None

County Pueblo County, CO

The radar

The Pueblo radar (KPUX), 48 km from the middle of the area, began a volume at 22:59 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 10, 5:00 PM MDT	FLASH FLOOD	4 Sw Pueblo, CO	6 INCHES FLOWING WATER OVER PUEBLO BLVD
Aug 10, 6:05 PM MDT	HEAVY RAIN 1.93	3 Sw Pueblo, CO
Aug 10, 7:08 PM MDT	HEAVY RAIN 0.58	3 Ssw Pueblo, 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 12:00Z, 10.9 hours before the alert went out and 219 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: 21 J/kg
Mixed-layer CIN: -164 J/kg
Mixed-layer LCL: 1701 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: -3 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.

918 
WGUS55 KPUB 102255
FFWPUB
COC101-110100-
/O.NEW.KPUB.FF.W.0041.150810T2255Z-150811T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
455 PM MDT MON AUG 10 2015

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN PUEBLO COUNTY IN SOUTHEASTERN COLORADO...

* UNTIL 700 PM MDT
    
* AT 454 PM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  THE SOUTH SIDE OF PUEBLO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3826 10459 3820 10463 3821 10475 3829 10471

$$
ROSE

1 follow-up statement

380 
WGUS75 KPUB 102335
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
535 PM MDT MON AUG 10 2015

COC101-102344-
/O.CAN.KPUB.FF.W.0041.000000T0000Z-150811T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PUEBLO CO-
535 PM MDT MON AUG 10 2015

...THE FLASH FLOOD WARNING FOR NORTHWESTERN PUEBLO COUNTY IS
CANCELLED...

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

LAT...LON 3826 10459 3820 10463 3821 10475 3829 10471

$$

SR

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 7:28 PM MDT	Special Weather Statement	PUB	Otero	47 min
Aug 9, 10:13 PM MDT	Special Weather Statement	PUB	Huerfano	47 min
Aug 10, 12:09 AM MDT	Special Weather Statement	PUB	El Paso	36 min
Aug 10, 12:26 AM MDT	Special Weather Statement	PUB	El Paso	34 min
Aug 10, 12:50 AM MDT	Flash Flood Warning	PUB	El Paso	115 min
Aug 10, 11:43 AM MDT	Special Weather Statement	PUB	Teller	47 min
Aug 10, 11:56 AM MDT	Areal Flood Advisory	PUB	El Paso	2 hr
Aug 10, 12:11 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	34 min
Aug 10, 12:42 PM MDT	Flash Flood Warning	PUB	El Paso	2 hr
Aug 10, 12:56 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	34 min
Aug 10, 1:40 PM MDT	Special Weather Statement	PUB	El Paso	50 min
Aug 10, 3:37 PM MDT	Special Weather Statement	PUB	Bent	38 min
Aug 10, 4:33 PM MDT	Areal Flood Advisory	PUB	Pueblo	117 min
Aug 10, 5:13 PM MDT	Areal Flood Advisory	PUB	El Paso	2 hr
Aug 10, 5:50 PM MDT	Areal Flood Advisory	PUB	El Paso, Pueblo	115 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.