Alert archive / Colorado / Flash Flood Warnings in 2015

Flash Flood Warning 38, NWS Pueblo, CO

August 3, 2015Bent County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 3, 2015, 2:50 PM MDT for Bent County, Colorado. It was in force for 3 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
Aug 3, 2015, 2:50 PM MDT (20:50 UTC)
Expired
Aug 3, 2015, 5:45 PM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

County Bent County, CO

The radar

The Pueblo radar (KPUX), 96 km from the middle of the area, began a volume at 20:51 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, 8.8 hours before the alert went out and 206 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-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2015-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 83 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2015-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -50 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
83 J/kg
Mixed-layer CIN
-196 J/kg
Mixed-layer LCL
2237 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-50 m²/s²
0-3 km storm-relative helicity
6 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.

671 
WGUS55 KPUB 032050
FFWPUB
COC011-032345-
/O.NEW.KPUB.FF.W.0038.150803T2050Z-150803T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
250 PM MDT MON AUG 3 2015

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL BENT COUNTY IN SOUTHEASTERN COLORADO...

* UNTIL 545 PM MDT

* AT 247 PM MDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE 
  WARNED AREA. BETWEEN 2 AND 3 INCHES OF RAIN HAVE ALREADY FALLEN. 
  FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* FLASH FLOODING WILL REMAIN OVER MAINLY RURAL AREAS OF WEST CENTRAL
  BENT COUNTY.

WEATHER SPOTTERS 4 SOUTHWEST OF LAS ANIMAS REPORTED 2 3/4 INCHES OF 
RAIN IN THE PAST HOUR...WITH ADDITIONAL RAINFALL OF UP TO 1 INCH 
POSSIBLE IN THE WARNED AREA.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...PURGATOIRE RIVER
AND ARKANSAS RIVER.

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.

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

&&

LAT...LON 3804 10319 3798 10320 3798 10333 3804 10331

$$

MW
2 follow-up statements
207 
WGUS75 KPUB 032142
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
342 PM MDT MON AUG 3 2015

COC011-032345-
/O.CON.KPUB.FF.W.0038.000000T0000Z-150803T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BENT CO-
342 PM MDT MON AUG 3 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR
WEST CENTRAL BENT COUNTY...

AT 337 PM MDT...DOPPLER RADAR INDICATED HEAVY RAIN HAS DIMINISHED 
AND MOVED AWAY FROM THE WARNED AREA. HOWEVER...DOPPLER RADAR IS 
INDICATING BETWEEN 3 AND 4 INCHES OF RAIN HAS ALREADY FALLEN IN THE 
WARNED AREA OVER THE PAST HOUR. FLASH FLOODING IS EXPECTED TO BEGIN 
SHORTLY.

FLASH FLOODING WILL REMAIN OVER MAINLY RURAL AREAS OF WEST CENTRAL 
BENT COUNTY...ESPECIALLY AREAS WEST OF THE PURGATORIE RIVER ALONG 
AND BETWEEN COUNTY ROADS BB...CC AND DD.   

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...PURGATOIRE RIVER
AND ARKANSAS RIVER.

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.

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

&&

LAT...LON 3804 10319 3798 10320 3798 10333 3804 10331

$$

MW
516 
WGUS75 KPUB 032330
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
530 PM MDT MON AUG 3 2015

COC011-032339-
/O.CAN.KPUB.FF.W.0038.000000T0000Z-150803T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BENT CO-
530 PM MDT MON AUG 3 2015

...THE FLASH FLOOD WARNING FOR WEST CENTRAL BENT COUNTY IS
CANCELLED...

FLOOD WATERS ARE RECEDING...AND ARE NO LONGER EXPECTED TO POSE A 
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD 
CLOSURES.

LAT...LON 3804 10319 3798 10320 3798 10333 3804 10331

$$

MW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 12:33 PM MDTSpecial Weather StatementPUBBent42 min
Aug 3, 1:01 PM MDTAreal Flood AdvisoryPUBBent119 min
Aug 3, 1:14 PM MDTSpecial Weather StatementPUBBent46 min
Aug 3, 1:33 PM MDTSpecial Weather StatementPUBBent42 min
Aug 3, 1:40 PM MDTAreal Flood AdvisoryPUBEl Paso2 hr
Aug 3, 2:15 PM MDTSpecial Weather StatementPUBBent45 min
Aug 3, 2:24 PM MDTAreal Flood AdvisoryPUBBent111 min
Aug 3, 3:13 PM MDTSpecial Weather StatementPUBBaca47 min
Aug 3, 3:32 PM MDTSpecial Weather StatementPUBAlamosa43 min
Aug 3, 3:34 PM MDTSpecial Weather StatementPUBBaca41 min
Aug 3, 4:16 PM MDTSpecial Weather StatementPUBBaca44 min
Aug 3, 5:06 PM MDTAreal Flood AdvisoryPUBBaca114 min
Aug 3, 5:14 PM MDTSpecial Weather StatementPUBHuerfano46 min
Aug 3, 5:40 PM MDTAreal Flood AdvisoryPUBHuerfano110 min

Nearby

Flash Flood Warnings in Colorado, 2015Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.