Alert archive / Colorado / Flash Flood Warnings in 2021

Flash Flood Warning 23, NWS Pueblo, CO

July 1, 2021Huerfano County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jul 1, 2021, 1:27 PM MDT for Huerfano 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 1, 2021, 1:27 PM MDT (19:27 UTC)
Expired
Jul 1, 2021, 3:29 PM MDT
In force
2 hr
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

County Huerfano County, CO

The radar

The Pueblo radar (KPUX), 134 km from the middle of the area, began a volume at 19:30 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

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 7.5 hours before the alert went out and 303 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, Albuquerq/Krtlnd, NM at 12:00Z on 2021-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 173 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, Albuquerq/Krtlnd, NM at 12:00Z on 2021-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
173 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
962 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

729 
WGUS55 KPUB 011927
FFWPUB
COC055-012230-
/O.NEW.KPUB.FF.W.0023.210701T1927Z-210701T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
127 PM MDT Thu Jul 1 2021

The National Weather Service in Pueblo has issued a

* Flash Flood Warning for...
  The Spring Burn Scar in...
  South Central Huerfano County in southeastern Colorado...

* Until 430 PM MDT.

* At 127 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain over the Spring Burn Scar. Flash flooding is ongoing or 
  expected to begin shortly.

Excessive rainfall over the warning area may cause mud slides near 
steep terrain. The mud slide can consist of rock, mud, vegetation 
and other loose materials.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding in and around the Spring Burn
           Scar.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of areas in and around
           the Spring Burn Scar.

* Some locations that will experience flash flooding include...
  Spring Burn Scar south of Highway 160 in Huerfano county and 
  Indian Creek on the southeastern Spring Burn Scar.

This includes the following high risk locations...
Sulphur Springs on Indian Creek, County Road 421 near Indian Creek 
and North Abeyta Creek near Highway 160.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a life threatening situation. Heavy rainfall will cause 
extensive and severe flash flooding of creeks...streams...and 
ditches in the Spring Burn Scar. Severe debris flows can also be 
anticipated across roads. Roads and driveways may be washed away in 
places. If you encounter flood waters...climb to safety.

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

&&

LAT...LON 3751 10515 3755 10506 3746 10501 3744 10512

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

PGW
3 follow-up statements
194 
WGUS75 KPUB 011949
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
149 PM MDT Thu Jul 1 2021

COC055-012230-
/O.CON.KPUB.FF.W.0023.000000T0000Z-210701T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Huerfano CO-
149 PM MDT Thu Jul 1 2021

...FLASH FLOOD WARNING FOR THE SPRING BURN SCAR REMAINS IN EFFECT 
UNTIL 430 PM MDT THIS AFTERNOON FOR SOUTH CENTRAL HUERFANO COUNTY...

At 149 PM MDT, Doppler radar indicated thunderstorms producing heavy 
rain over the Spring Burn Scar. Flash flooding is ongoing or 
expected to begin shortly.

Excessive rainfall over the warning area may cause mud slides near 
steep terrain. The mud slide can consist of rock, mud, vegetation 
and other loose materials.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding in and around the Spring Burn Scar.

SOURCE...Radar.

IMPACT...Life threatening flash flooding of areas in and around
         the Spring Burn Scar.

Some locations that will experience flash flooding include...
  Spring Burn Scar south of Highway 160 in Huerfano county and 
  Indian Creek on the southeastern Spring Burn Scar.

This includes the following high risk locations...
Sulphur Springs on Indian Creek, County Road 421 near Indian Creek 
and North Abeyta Creek near Highway 160.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a life threatening situation. Heavy rainfall will cause 
extensive and severe flash flooding of creeks...streams...and 
ditches in the Spring Burn Scar. Severe debris flows can also be 
anticipated across roads. Roads and driveways may be washed away in 
places. If you encounter flood waters...climb to safety.

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

&&

LAT...LON 3751 10515 3755 10506 3746 10501 3744 10512

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

PGW
982 
WGUS75 KPUB 011959
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
159 PM MDT Thu Jul 1 2021

COC055-012230-
/O.CON.KPUB.FF.W.0023.000000T0000Z-210701T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Huerfano CO-
159 PM MDT Thu Jul 1 2021

...FLASH FLOOD WARNING FOR THE SPRING BURN SCAR REMAINS IN EFFECT 
UNTIL 430 PM MDT THIS AFTERNOON FOR SOUTH CENTRAL HUERFANO COUNTY...

At 159 PM MDT, The heaviest rain has moved east of the burn scar 
with light rain continuing.

Mud slides near steep terrain may continue due to the previous heavy 
rainfall. The mud slide can consist of rock, mud, vegetation and 
other loose materials.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding in and around the Spring Burn Scar.

SOURCE...Radar.

IMPACT...Life threatening flash flooding of areas in and around
         the Spring Burn Scar.

Some locations that will experience flash flooding include...
  Spring Burn Scar south of Highway 160 in Huerfano county and 
  Indian Creek on the southeastern Spring Burn Scar.

This includes the following high risk locations...
Sulphur Springs on Indian Creek, County Road 421 near Indian Creek 
and North Abeyta Creek near Highway 160.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a life threatening situation. Heavy rainfall will cause 
extensive and severe flash flooding of creeks...streams...and 
ditches in the Spring Burn Scar. Severe debris flows can also be 
anticipated across roads. Roads and driveways may be washed away in 
places. If you encounter flood waters...climb to safety.

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

&&

LAT...LON 3751 10515 3755 10506 3746 10501 3744 10512

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

PGW
414 
WGUS75 KPUB 012129
FFSPUB

Flash Flood Statement
National Weather Service Pueblo CO
329 PM MDT Thu Jul 1 2021

COC055-012139-
/O.CAN.KPUB.FF.W.0023.000000T0000Z-210701T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Huerfano CO-
329 PM MDT Thu Jul 1 2021

...FLASH FLOOD WARNING FOR THE SPRING BURN SCAR IS CANCELLED FOR 
SOUTH CENTRAL HUERFANO COUNTY...

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.

A Flash Flood Watch remains in effect until 1200 AM MDT Friday for 
portions of central Colorado, east central Colorado and southeast 
Colorado.

LAT...LON 3751 10515 3755 10506 3746 10501 3744 10512

$$

PGW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 1:59 PM MDTSpecial Weather StatementPUBEl Paso31 min
Jul 1, 2:11 PM MDTSpecial Weather StatementPUBEl Paso34 min
Jul 1, 2:33 PM MDTSevere Thunderstorm WarningPUBEl Paso18 min
Jul 1, 2:34 PM MDTSevere Thunderstorm WarningPUBEl Paso41 min
Jul 1, 2:36 PM MDTSpecial Weather StatementPUBEl Paso39 min
Jul 1, 2:42 PM MDTSevere Thunderstorm WarningPUBEl Paso, Pueblo33 min
Jul 1, 3:12 PM MDTSpecial Weather StatementPUBEl Paso33 min
Jul 1, 3:15 PM MDTSpecial Weather StatementPUBTeller45 min
Jul 1, 3:18 PM MDTSpecial Weather StatementPUBEl Paso42 min
Jul 1, 3:32 PM MDTSpecial Weather StatementPUBPueblo43 min
Jul 1, 3:47 PM MDTSevere Thunderstorm WarningPUBPueblo28 min
Jul 1, 4:03 PM MDTSpecial Weather StatementPUBEl Paso42 min
Jul 1, 4:09 PM MDTSevere Thunderstorm WarningPUBPueblo36 min
Jul 1, 4:30 PM MDTSevere Thunderstorm WarningPUBPueblo30 min
Jul 1, 4:44 PM MDTTornado WarningPUBCrowley, Pueblo23 min
Jul 1, 4:47 PM MDTSpecial Weather StatementPUBChaffee43 min
Jul 1, 5:01 PM MDTSpecial Weather StatementPUBPueblo44 min
Jul 1, 5:06 PM MDTSevere Thunderstorm WarningPUBCrowley, Otero, Pueblo27 min
Jul 1, 5:15 PM MDTSpecial Weather StatementPUBOtero45 min
Jul 1, 5:16 PM MDTSpecial Weather StatementPUBPueblo44 min
Jul 1, 5:19 PM MDTFlash Flood WarningPUBChaffee, Fremont3 hr
Jul 1, 5:35 PM MDTSevere Thunderstorm WarningPUBBent, Las Animas, Otero40 min
Jul 1, 5:38 PM MDTSevere Thunderstorm WarningPUBPueblo38 min
Jul 1, 5:44 PM MDTFlash Flood WarningPUBPueblo3 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.