Alert archive / Colorado / Flash Flood Warnings in 2021

Flash Flood Warning 71, NWS Pueblo, CO

July 23, 2021El Paso County, Teller County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 23, 2021, 6:58 PM MDT for El Paso County, Teller 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 23, 2021, 6:58 PM MDT (00:58 UTC)
Expired
Jul 23, 2021, 9:00 PM MDT
In force
2 hr
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

Counties El Paso County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 62 km from the middle of the area, began a volume at 01:00 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 (KDNR), launched 00:00Z, 1.0 hours before the alert went out and 192 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 2021-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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 2021-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
11 J/kg
Mixed-layer CIN
-200 J/kg
Mixed-layer LCL
2118 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

672 
WGUS55 KPUB 240058
FFWPUB
COC041-119-240300-
/O.NEW.KPUB.FF.W.0071.210724T0058Z-210724T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
658 PM MDT Fri Jul 23 2021

The National Weather Service in Pueblo has issued a

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

* Until 900 PM MDT.

* At 658 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain in Southwest Colorado Springs and the Rock Creek basin. 
  Between 1 and 2 inches of rain have fallen. The expected rainfall 
  rate is 1 to 2 inches in 1 hour. Additional rainfall amounts up to 
  1 inch are possible in the warned area. Flash flooding is ongoing 
  or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Southwestern Colorado Springs, Fountain and Fort Carson.

This includes the following streams and drainages...
  Little Fountain Creek, Little Turkey Creek, East Fork Turkey Creek 
  and Rock Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3867 10494 3869 10495 3872 10495 3874 10494
      3875 10492 3878 10483 3875 10477 3871 10474
      3867 10471 3862 10469 3861 10469 3860 10475
      3861 10482 3862 10488 3866 10493

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

KT
3 follow-up statements
535 
WGUS75 KPUB 240139
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
739 PM MDT Fri Jul 23 2021

COC041-119-240300-
/O.CON.KPUB.FF.W.0071.000000T0000Z-210724T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
El Paso CO-Teller CO-
739 PM MDT Fri Jul 23 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING 
FOR SOUTHEASTERN TELLER AND SOUTHWESTERN EL PASO COUNTIES...

At 739 PM MDT, Doppler radar indicated thunderstorms producing heavy 
rain in Southwest Colorado Springs and the Rock Creek basin. Between 
1 and 2.5 inches of rain have fallen. The expected rainfall rate is 
1 to 2 inches in 1 hour. Additional rainfall amounts up to 0.5 
inches are possible in the warned area. Flash flooding is ongoing or 
expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Southwestern Colorado Springs, Fountain and Fort Carson.

This includes the following streams and drainages...
  Little Fountain Creek, South Cheyenne Creek, Little Turkey Creek, 
  East Fork Turkey Creek and Rock Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3867 10494 3869 10495 3872 10495 3874 10494
      3875 10492 3878 10483 3875 10477 3871 10474
      3867 10471 3862 10469 3861 10469 3860 10475
      3861 10482 3862 10488 3866 10493

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

KT
896 
WGUS75 KPUB 240219
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
819 PM MDT Fri Jul 23 2021

COC041-119-240300-
/O.CON.KPUB.FF.W.0071.000000T0000Z-210724T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
El Paso CO-Teller CO-
819 PM MDT Fri Jul 23 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING 
FOR SOUTHEASTERN TELLER AND SOUTHWESTERN EL PASO COUNTIES...

At 819 PM MDT, Doppler radar indicated thunderstorms producing heavy 
rain in Southwest Colorado Springs and the Rock Creek basin have 
ended. Radar estimated between 1 and 2.5 inches of rain have fallen. 
Flash flooding is expected to continue until the water has a chance 
to recede.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Southwestern Colorado Springs, Fountain and Fort Carson.

This includes the following streams and drainages...
  Little Fountain Creek, South Cheyenne Creek, Little Turkey Creek, 
  East Fork Turkey Creek and Rock Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3867 10494 3869 10495 3872 10495 3874 10494
      3875 10492 3878 10483 3875 10477 3871 10474
      3867 10471 3862 10469 3861 10469 3860 10475
      3861 10482 3862 10488 3866 10493

FLASH FLOOD...RADAR INDICATED

$$

KT
696 
WGUS75 KPUB 240250
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
850 PM MDT Fri Jul 23 2021

COC041-119-240300-
/O.EXP.KPUB.FF.W.0071.000000T0000Z-210724T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
El Paso CO-Teller CO-
850 PM MDT Fri Jul 23 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR 
SOUTHEASTERN TELLER AND SOUTHWESTERN EL PASO COUNTIES...

Flood waters have receded. The heavy rain has ended. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

LAT...LON 3867 10494 3869 10495 3872 10495 3874 10494
      3875 10492 3878 10483 3875 10477 3871 10474
      3867 10471 3862 10469 3861 10469 3860 10475
      3861 10482 3862 10488 3866 10493

$$

KT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 6:13 PM MDTSpecial Weather StatementPUBEl Paso32 min
Jul 23, 6:14 PM MDTSpecial Weather StatementPUBEl Paso46 min
Jul 23, 6:31 PM MDTSpecial Weather StatementPUBChaffee44 min
Jul 23, 6:43 PM MDTSpecial Weather StatementPUBMineral62 min
Jul 23, 7:03 PM MDTFlash Flood Warning Considerable damage threatPUBChaffee, Fremont, Saguache3 hr
Jul 23, 7:14 PM MDTFlash Flood Warning Considerable damage threatPUBChaffee3 hr
Jul 23, 7:15 PM MDTSpecial Weather StatementPUBFremont60 min
Jul 23, 7:26 PM MDTFlash Flood WarningPUBChaffee, Fremont3 hr
Jul 23, 7:29 PM MDTFlash Flood WarningPUBFremont117 min
Jul 23, 7:38 PM MDTFlash Flood Warning Considerable damage threatPUBChaffee, Saguache2 hr
Jul 23, 7:46 PM MDTFlash Flood Warning Considerable damage threatPUBFremont, Saguache2 hr
Jul 23, 7:49 PM MDTFlash Flood Warning Considerable damage threatPUBFremont, Saguache2 hr
Jul 24, 3:43 AM MDTFlood WatchPUBAlamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 5 more5 min
Jul 24, 3:53 AM MDTFlash Flood WatchPUBAlamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 7 more17 hr
Jul 24, 1:26 PM MDTSpecial Weather StatementPUBPueblo49 min
Jul 24, 1:39 PM MDTFlash Flood WarningPUBPueblo6 hr
Jul 24, 2:51 PM MDTSpecial Weather StatementPUBFremont39 min
Jul 24, 3:28 PM MDTSpecial Weather StatementPUBPueblo47 min
Jul 24, 4:01 PM MDTFlash Flood WarningPUBPueblo3 hr
Jul 24, 4:43 PM MDTSpecial Weather StatementPUBCuster62 min
Jul 24, 4:57 PM MDTSpecial Weather StatementPUBSaguache48 min
Jul 24, 5:05 PM MDTSpecial Weather StatementPUBPueblo40 min
Jul 24, 5:17 PM MDTFlash Flood WarningPUBCuster, Saguache3 hr

Nearby

Flash Flood Warnings in Colorado, 2021Every flash flood warning in 2021

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.