Alert archive / Colorado / Flash Flood Warnings in 2016

Flash Flood Warning 26, NWS Pueblo, CO

August 19, 2016El Paso County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 19, 2016, 6:02 PM MDT for El Paso County, Colorado. It was in force for 118 min. 10 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 19, 2016, 6:02 PM MDT (00:02 UTC)
Expired
Aug 19, 2016, 8:00 PM MDT
In force
118 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

County El Paso County, CO

The radar

The Pueblo radar (KPUX), 63 km from the middle of the area, began a volume at 00:03 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

TimeReportWhereRemark
Aug 19, 6:10 PM MDTHEAVY RAIN 1.612 Sse Black Forest, CO1.51 IN 30 MINUTES.
Aug 19, 6:12 PM MDTHEAVY RAIN 1.54 Wsw Black Forest, CODURATION UNKNOWN, STREETS FLOODING.
Aug 19, 6:14 PM MDTFLASH FLOOD4 Sw Peyton, COFLOODING REPORTED AT ELBERT RD AND HWY 24.
Aug 19, 6:19 PM MDTHEAVY RAIN 1.455 Nne Falcon, CO.
Aug 19, 6:20 PM MDTHEAVY RAIN 1.744 Wsw Black Forest, COPINE CREEK MET STATION BELOW OLD RANCH ROAD.
Aug 19, 6:41 PM MDTHEAVY RAIN 1.584 N Falcon, COREX AND MERIDIAN ROAD.
Aug 19, 6:45 PM MDTHEAVY RAIN 1.15 Nne Manitou Springs, CO.
Aug 19, 6:50 PM MDTHEAVY RAIN 1.093 Ne Manitou Springs, CORAIN RATE 6.62 IN/HR AT 6:26 PM.
Aug 19, 6:53 PM MDTHEAVY RAIN 0.953 Nnw Colorado Springs, CO.
Aug 19, 7:00 PM MDTHEAVY RAIN 1.322 Nw Colorado Springs, 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, 0.0 hours before the alert went out and 156 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 00:00Z on 2016-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 41 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 00:00Z on 2016-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
41 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
1069 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
150 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

642 
WGUS55 KPUB 200002
FFWPUB
COC041-200200-
/O.NEW.KPUB.FF.W.0026.160820T0002Z-160820T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
602 PM MDT FRI AUG 19 2016

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN EL PASO COUNTY IN EAST CENTRAL COLORADO...

* UNTIL 800 PM MDT

* AT 600 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO 1.28 INCHES OF RAIN HAS
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
  COLORADO SPRINGS...AIR FORCE ACADEMY...PEYTON...BLACK FOREST...
  FALCON...CIMARRON HILLS AND PETERSON AFB.  PARTS OF THE WALDO
  CANYON SCAR MAY ALSO SEE FLOODING.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

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 3892 10429 3880 10483 3897 10496 3907 10454

$$

LW
1 follow-up statement
659 
WGUS75 KPUB 200044
FFSPUB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
644 PM MDT FRI AUG 19 2016

COC041-200200-
/O.CON.KPUB.FF.W.0026.000000T0000Z-160820T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO CO-
644 PM MDT FRI AUG 19 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 PM MDT FOR
NORTHWESTERN EL PASO COUNTY...

AT 640 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA.  FLASH FLOODING IS LIKELY
OCCURRING IN SOME AREAS.

SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
COLORADO SPRINGS...AIR FORCE ACADEMY...PEYTON...BLACK FOREST...
FALCON...CIMARRON HILLS AND PETERSON AFB.  PARTS OF THE WALDO
CANYON BURN SCAR MAY ALSO EXPERIENCE FLOODING.

RAINFALL AMOUNTS OF 1 TO 2 INCHES HAVE OCCURRED.  ADDITIONAL AMOUNTS
UP TO AN INCH ARE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN.
ARROYOS...STREAMS...AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A
MATTER OF MINUTES...EVEN FROM DISTANT RAINFALL.

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 3892 10429 3880 10483 3897 10496 3907 10454

$$

LW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 6:24 PM MDTAreal Flood AdvisoryPUBEl Paso111 min
Aug 19, 7:08 PM MDTSpecial Weather StatementPUBFremont52 min
Aug 19, 7:24 PM MDTSpecial Weather StatementPUBPueblo66 min
Aug 19, 8:38 PM MDTSpecial Weather StatementPUBBent, Kiowa, Prowers82 min
Aug 19, 8:45 PM MDTSpecial Weather StatementPUBLas Animas90 min
Aug 19, 9:39 PM MDTSpecial Weather StatementPUBBaca96 min
Aug 20, 4:07 PM MDTAreal Flood AdvisoryPUBMineral, Rio Grande3 hr
Aug 20, 4:20 PM MDTSevere Thunderstorm WarningPUBCostilla, Las Animas25 min
Aug 20, 4:40 PM MDTSevere Thunderstorm WarningPUBCostilla, Huerfano, Las Animas35 min
Aug 20, 5:17 PM MDTSevere Thunderstorm WarningPUBCostilla, Huerfano, Las Animas43 min
Aug 20, 5:23 PM MDTAreal Flood AdvisoryPUBCostilla, Huerfano, Las Animas3 hr

Nearby

Flash Flood Warnings in Colorado, 2016Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.