Alert archive / Colorado / Flash Flood Warnings in 2022

Flash Flood Warning 39, NWS Pueblo, CO

July 28, 2022Custer County, Pueblo County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 28, 2022, 5:08 AM MDT for Custer County, Pueblo 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 28, 2022, 5:08 AM MDT (11:08 UTC)
Expired
Jul 28, 2022, 7:31 AM MDT
In force
2 hr
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Flood severity
None

Counties Custer County, CO, Pueblo County, CO

The radar

The Pueblo radar (KPUX), 88 km from the middle of the area, began a volume at 11:09 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

Grand Junction, CO (KGJT), launched 00:00Z, 11.1 hours before the alert went out and 323 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, Grand Junction, CO at 00:00Z on 2022-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 621 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, Grand Junction, CO at 00:00Z on 2022-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
621 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
2625 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

553 
WGUS55 KPUB 281108
FFWPUB
COC027-101-281415-
/O.NEW.KPUB.FF.W.0039.220728T1108Z-220728T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
508 AM MDT Thu Jul 28 2022

The National Weather Service in Pueblo has issued a

* Flash Flood Warning for...
  Eastern Custer County in southeastern Colorado...
  Southwestern Pueblo County in southeastern Colorado...

* Until 815 AM MDT.

* At 508 AM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain in Squirrel Creek and South Creek. Between 1 and 1.5 
  inches of rain have fallen. The expected rainfall rate is 1.5 to 2 
  inches in 1 hour. 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...
  Beulah.

This includes the following high risk locations...
	Beulah.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3806 10511 3808 10505 3808 10502 3808 10496
      3806 10495 3803 10496 3801 10500 3801 10506
      3801 10510 3804 10512 3805 10512

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1.5-2 INCHES IN 1 HOUR

$$

KS
2 follow-up statements
081 
WGUS75 KPUB 281235
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
635 AM MDT Thu Jul 28 2022

COC027-101-281415-
/O.CON.KPUB.FF.W.0039.000000T0000Z-220728T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Custer CO-Pueblo CO-
635 AM MDT Thu Jul 28 2022

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 AM MDT THIS 
MORNING FOR EASTERN CUSTER AND SOUTHWESTERN PUEBLO COUNTIES...

At 635 AM MDT, Doppler radar indicated thunderstorms producing heavy 
rain in Squirrel Creek and South Creek. Between 1.5 and 2 inches of 
rain have fallen. The expected rainfall rate is 0.25 to 0.5 inches 
in 1 hour. 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...
  Beulah.

This includes the following high risk locations...
	Beulah.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3806 10511 3808 10505 3808 10502 3808 10496
      3806 10495 3803 10496 3801 10500 3801 10506
      3801 10510 3804 10512 3805 10512

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.25-0.5 INCHES IN 1 HOUR

$$

KS
430 
WGUS75 KPUB 281331
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
731 AM MDT Thu Jul 28 2022

COC027-101-281341-
/O.CAN.KPUB.FF.W.0039.000000T0000Z-220728T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Custer CO-Pueblo CO-
731 AM MDT Thu Jul 28 2022

...FLASH FLOOD WARNING IS CANCELLED FOR EASTERN CUSTER AND 
SOUTHWESTERN PUEBLO 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 3806 10511 3808 10505 3808 10496 3806 10495
      3803 10496 3801 10500 3801 10510 3804 10512
      3805 10512

$$

MW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 6:13 PM MDTSpecial Weather StatementPUBProwers32 min
Jul 27, 6:40 PM MDTSpecial Weather StatementPUBSaguache35 min
Jul 27, 6:54 PM MDTSpecial Weather StatementPUBBaca51 min
Jul 28, 4:52 AM MDTSpecial Weather StatementPUBCuster38 min
Jul 28, 1:23 PM MDTFlash Flood Warning Considerable damage threatPUBCostilla, Huerfano112 min

Nearby

Flash Flood Warnings in Colorado, 2022Every flash flood warning in 2022

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.