Alert archive / Colorado / Flash Flood Warnings in 2021
Flash Flood Warning 33, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood warning at Jul 2, 2021, 4:52 PM MDT for Costilla County, Huerfano County, Colorado. It was in force for 3 hr. 1 report 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
- Jul 2, 2021, 4:52 PM MDT (22:52 UTC)
- Expired
- Jul 2, 2021, 8:00 PM MDT
- In force
- 3 hr
- Issued by
- NWS Pueblo, CO
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
Counties Costilla County, CO, Huerfano County, CO
The radar
The Pueblo radar (KPUX), 132 km from the middle of the area, began a volume at 22:53 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 2, 6:10 PM MDT | FLASH FLOOD | 5 Wnw La Veta, CO | LOTS OF DEBRIS AND MUDFLOWS INTO MIDDLE CREEK ALONG CR 440 AND CR 442 PER HUERFANO COUNTY OFFICIALS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 10.9 hours before the alert went out and 306 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.
- Mixed-layer CAPE
- 189 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 1385 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
493
WGUS55 KPUB 022252
FFWPUB
COC023-055-030200-
/O.NEW.KPUB.FF.W.0033.210702T2252Z-210703T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
452 PM MDT Fri Jul 2 2021
The National Weather Service in Pueblo has issued a
* Flash Flood Warning for...
The Spring burn scar in...
Northeastern Costilla County in south central Colorado...
South Central Huerfano County in southeastern Colorado...
* Until 800 PM MDT.
* At 452 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,
South Abeyta Creek near County Road 441 and North Abeyta Creek near
Highway 160.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3754 10517 3756 10518 3756 10513 3754 10504
3753 10502 3744 10502 3748 10517
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Heavener3 follow-up statements
932
WGUS75 KPUB 030001
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
601 PM MDT Fri Jul 2 2021
COC023-030011-
/O.CAN.KPUB.FF.W.0033.000000T0000Z-210703T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Costilla CO-
601 PM MDT Fri Jul 2 2021
...FLASH FLOOD WARNING FOR THE SPRING BURN SCAR IS CANCELLED FOR
COSTILLA COUNTY...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
LAT...LON 3754 10517 3756 10518 3756 10513 3754 10504
3753 10502 3744 10502 3748 10517
$$
COC055-030200-
/O.CON.KPUB.FF.W.0033.000000T0000Z-210703T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Huerfano CO-
601 PM MDT Fri Jul 2 2021
...FLASH FLOOD WARNING FOR THE SPRING BURN SCAR REMAINS IN EFFECT
UNTIL 8 PM MDT THIS EVENING FOR SOUTH CENTRAL HUERFANO COUNTY...
At 601 PM MDT, emergency management reported thunderstorms producing
heavy rain over the Spring Burn Scar. Flash flooding is already
occurring.
Excessive rainfall over the burn scar may result in debris flow
moving through the Middle Creek. The debris flow 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...Emergency management reported.
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,
South Abeyta Creek near County Road 441 and North Abeyta Creek near
Highway 160.
Debris flow has been noted in and along Middle Creek near CR 440 and
CR 442.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3754 10517 3756 10518 3756 10513 3754 10504
3753 10502 3744 10502 3748 10517
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
GH067
WGUS75 KPUB 030108
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
708 PM MDT Fri Jul 2 2021
COC055-030200-
/O.CON.KPUB.FF.W.0033.000000T0000Z-210703T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Huerfano CO-
708 PM MDT Fri Jul 2 2021
...FLASH FLOOD WARNING FOR THE SPRING BURN SCAR REMAINS IN EFFECT
UNTIL 8 PM MDT THIS EVENING FOR SOUTH CENTRAL HUERFANO COUNTY...
At 708 PM MDT, emergency management reported thunderstorms producing
heavy rain over the Spring Burn Scar. Between 0.5 and 1.5 inches of
rain have fallen. Flash flooding is already occurring.
Excessive rainfall over the burn scar will result in debris flow
moving through the Middle Creek. The debris flow 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...Emergency management reported.
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,
South Abeyta Creek near County Road 441 and North Abeyta Creek near
Highway 160.
While heavy rainfall has ended across southeast sections of the
Spring Burn scar, creeks will continue to run high until the water
has a chance to recede.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3754 10517 3756 10518 3756 10513 3754 10504
3753 10502 3744 10502 3748 10517
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
KT067
WGUS75 KPUB 030152
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
752 PM MDT Fri Jul 2 2021
COC055-030202-
/O.EXP.KPUB.FF.W.0033.000000T0000Z-210703T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Huerfano CO-
752 PM MDT Fri Jul 2 2021
...FLASH FLOOD WARNING FOR THE SPRING BURN SCAR WILL EXPIRE AT 8 PM
MDT THIS EVENING 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.
LAT...LON 3754 10517 3756 10518 3756 10513 3754 10504
3753 10502 3744 10502 3748 10517
$$
KTThe office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 6:03 PM MDT | Special Weather Statement | PUB | Otero | 42 min |
| Jul 1, 6:08 PM MDT | Special Weather Statement | PUB | Custer | 37 min |
| Jul 1, 6:23 PM MDT | Special Weather Statement | PUB | Fremont | 37 min |
| Jul 1, 6:46 PM MDT | Special Weather Statement | PUB | Otero | 44 min |
| Jul 1, 6:51 PM MDT | Special Weather Statement | PUB | Fremont | 39 min |
| Jul 1, 6:56 PM MDT | Severe Thunderstorm Warning | PUB | Otero | 34 min |
| Jul 1, 7:08 PM MDT | Flash Flood Warning | PUB | Otero | 2 hr |
| Jul 1, 7:29 PM MDT | Special Weather Statement | PUB | Fremont | 46 min |
| Jul 1, 7:32 PM MDT | Special Weather Statement | PUB | Las Animas | 43 min |
| Jul 1, 8:52 PM MDT | Flash Flood Warning | PUB | Chaffee, Fremont, Saguache | 2 hr |
| Jul 1, 9:09 PM MDT | Flash Flood Warning | PUB | Fremont, Pueblo | 2 hr |
| Jul 1, 9:58 PM MDT | Flash Flood Warning | PUB | Crowley, El Paso, Pueblo | 3 hr |
| Jul 1, 10:27 PM MDT | Flash Flood Warning | PUB | Chaffee, El Paso, Fremont, Teller | 66 min |
| Jul 2, 12:58 PM MDT | Flash Flood Warning | PUB | Chaffee | 3 hr |
| Jul 2, 3:00 PM MDT | Special Weather Statement | PUB | Huerfano | 45 min |
| Jul 2, 3:31 PM MDT | Special Weather Statement | PUB | Custer | 44 min |
| Jul 2, 3:32 PM MDT | Special Weather Statement | PUB | Fremont | 43 min |
| Jul 2, 4:11 PM MDT | Special Weather Statement | PUB | Costilla | 34 min |
| Jul 2, 4:33 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Jul 2, 5:04 PM MDT | Special Weather Statement | PUB | Costilla | 41 min |
| Jul 2, 5:06 PM MDT | Severe Thunderstorm Warning | PUB | Costilla | 18 min |
| Jul 2, 5:30 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano | 30 min |
| Jul 2, 5:52 PM MDT | Flash Flood Warning | PUB | Huerfano | 97 min |
| Jul 2, 5:55 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Las Animas | 23 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.