Alert archive / Colorado / Flash Flood Warnings in 2017

Flash Flood Warning 18, NWS Pueblo, CO

July 15, 2017El Paso County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 15, 2017, 1:34 PM MDT for El Paso County, Colorado. It was in force for 116 min. 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 15, 2017, 1:34 PM MDT (19:34 UTC)
Expired
Jul 15, 2017, 3:30 PM MDT
In force
116 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

County El Paso County, CO

The radar

The Pueblo radar (KPUX), 49 km from the middle of the area, began a volume at 19:33 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, 7.6 hours before the alert went out and 179 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 2017-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2017-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1714 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

773 
WGUS55 KPUB 151934
FFWPUB
COC041-152130-
/O.NEW.KPUB.FF.W.0018.170715T1934Z-170715T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
134 PM MDT SAT JUL 15 2017

The National Weather Service in Pueblo has issued a

* Flash Flood Warning for...
  Southwestern El Paso County in east central Colorado...

* Until 330 PM MDT

* At 133 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.

* Some locations that will experience flooding include...
  Southern Colorado Springs, Fountain, Stratmoor, Schriever AFB, Fort
  Carson, Security, Security-Widefield and Hanover.

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.

&&

LAT...LON 3883 10448 3853 10451 3853 10492 3878 10488

$$

LW
2 follow-up statements
057 
WGUS75 KPUB 152013
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
213 PM MDT SAT JUL 15 2017

COC041-152130-
/O.CON.KPUB.FF.W.0018.000000T0000Z-170715T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
El Paso CO-
213 PM MDT SAT JUL 15 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM MDT FOR
SOUTHWESTERN EL PASO COUNTY...

At 207 PM MDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. According to doppler radar estimates, 
up to 1.4 inches of rain has already fallen across portions of the 
warned area, including over Williams Creek, east of Fountain. Flash 
flooding is expected to begin shortly.

Some locations that may experience flooding include...
Southern Colorado Springs, Fountain, Stratmoor, Schriever AFB, Fort 
Carson, Security, Security-Widefield and Hanover, including the 
Chico, Williams and Jimmy Camp Creek Basins in the warned area of 
southwest El Paso County.

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.

&&

LAT...LON 3883 10448 3853 10451 3853 10492 3878 10488

$$

LW
454 
WGUS75 KPUB 152129
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
329 PM MDT SAT JUL 15 2017

COC041-152133-
/O.EXP.KPUB.FF.W.0018.000000T0000Z-170715T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
El Paso CO-
329 PM MDT SAT JUL 15 2017

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN EL PASO COUNTY WILL
EXPIRE AT 330 PM MDT...
...A FLASH FLOOD WARNING FOR NORTHWEST EL PASO COUNTY INCLUDING THE 
AIR FORCE ACADEMY AND THE WALDO CANYON BURN SCAR CONTINUES UNTIL 
615 PM MDT...

Rainfall is decreasing and flood waters are receding in southwest El 
Paso County.  Serious flooding is no longer expected. Please 
continue to heed any remaining road closures and avoid areas where 
water still covers the road.

LAT...LON 3883 10448 3853 10451 3853 10492 3878 10488

$$

LW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 6:39 PM MDTAreal Flood AdvisoryPUBFremont, Pueblo2 hr
Jul 14, 6:49 PM MDTAreal Flood AdvisoryPUBChaffee, Fremont116 min
Jul 14, 9:00 PM MDTAreal Flood AdvisoryPUBCuster, Fremont2 hr
Jul 15, 1:22 PM MDTAreal Flood AdvisoryPUBEl Paso113 min
Jul 15, 3:03 PM MDTAreal Flood AdvisoryPUBEl Paso117 min
Jul 15, 3:04 PM MDTSpecial Weather StatementPUBBaca11 min
Jul 15, 3:18 PM MDTFlash Flood WarningPUBEl Paso3 hr
Jul 15, 4:43 PM MDTSpecial Weather StatementPUBKiowa47 min
Jul 15, 4:47 PM MDTSpecial Weather StatementPUBOtero43 min
Jul 15, 4:49 PM MDTSpecial Weather StatementPUBCostilla41 min
Jul 15, 5:11 PM MDTAreal Flood AdvisoryPUBKiowa2 hr
Jul 15, 5:46 PM MDTSpecial Weather StatementPUBAlamosa29 min
Jul 15, 5:47 PM MDTSpecial Weather StatementPUBProwers43 min
Jul 15, 5:55 PM MDTFlash Flood WarningPUBKiowa2 hr

Nearby

Flash Flood Warnings in Colorado, 2017Every flash flood warning in 2017

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.