Alert archive / Colorado / Flash Flood Warnings in 2021
Flash Flood Warning 114, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood warning at Aug 2, 2021, 6:47 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
- Aug 2, 2021, 6:47 PM MDT (00:47 UTC)
- Expired
- Aug 2, 2021, 9:13 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), 139 km from the middle of the area, began a volume at 00:49 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 00:00Z, 0.8 hours before the alert went out and 298 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
- 17 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 2205 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- -31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
463
WGUS55 KPUB 030047
FFWPUB
COC055-030400-
/O.NEW.KPUB.FF.W.0114.210803T0047Z-210803T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
647 PM MDT Mon Aug 2 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 1000 PM MDT.
* At 647 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain over the Spring Burn Scar. Between 0.2 and 0.5 inches
of rain have fallen. Flash flooding is ongoing or expected to
begin shortly. Reports of water toppling Highway 12 has been
reported by Emergency Managers.
Excessive rainfall over the burn scar may result in debris flow
moving through the Big Branch Creek and Indian 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...Radar.
IMPACT...Life threatening flash flooding of areas in and around
the Spring Burn Scar.
* Some locations that may experience flash flooding include...
Indian Creek on the southeastern Spring Burn Scar and southeastern
Spring Burn Scar south of Highway 160 in Huerfano county.
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 3739 10510 3740 10512 3742 10513 3744 10509
3745 10509 3746 10508 3748 10506 3748 10505
3745 10502 3742 10504
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
KS3 follow-up statements
153
WGUS75 KPUB 030141
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
741 PM MDT Mon Aug 2 2021
COC055-030400-
/O.CON.KPUB.FF.W.0114.000000T0000Z-210803T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Huerfano CO-
741 PM MDT Mon Aug 2 2021
...FLASH FLOOD WARNING FOR THE SPRING BURN SCAR REMAINS IN EFFECT
UNTIL 10 PM MDT THIS EVENING FOR SOUTH CENTRAL HUERFANO COUNTY...
At 741 PM MDT, Doppler radar indicated thunderstorms producing heavy
rain over the Spring Burn Scar. Between 0.2 and 0.5 inches of rain
have fallen. Flash flooding is ongoing or expected to begin shortly.
Reports of water toppling Highway 12 has been reported by Emergency
Managers.
Excessive rainfall over the burn scar may result in debris flow
moving through the Big Branch Creek and Indian Creek. The debris
flow can consist of rock, mud, vegetation and other loose materials.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the Spring Burn Scar.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of areas in and around
the Spring Burn Scar.
Some locations that will experience flash flooding include...
Indian Creek on the southeastern Spring Burn Scar and southeastern
Spring Burn Scar south of Highway 160 in Huerfano county.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a life threatening situation. Heavy rainfall will cause
extensive and severe flash flooding of creeks...streams...and
ditches in the Spring Burn Scar. Severe debris flows can also be
anticipated across roads. Roads and driveways may be washed away in
places. If you encounter flood waters...climb to safety.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3739 10510 3740 10512 3742 10513 3744 10509
3745 10509 3746 10508 3748 10506 3748 10505
3745 10502 3742 10504
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
KS041
WGUS75 KPUB 030241
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
841 PM MDT Mon Aug 2 2021
COC055-030400-
/O.CON.KPUB.FF.W.0114.000000T0000Z-210803T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Huerfano CO-
841 PM MDT Mon Aug 2 2021
...FLASH FLOOD WARNING FOR THE SPRING BURN SCAR REMAINS IN EFFECT
UNTIL 10 PM MDT THIS EVENING FOR SOUTH CENTRAL HUERFANO COUNTY...
At 841 PM MDT, Doppler radar indicated thunderstorms producing heavy
rain over the Spring Burn Scar. Between 0.2 and 0.5 inches of rain
have fallen. Flash flooding is ongoing or expected to begin shortly.
Latest reports from EMs indicate that Hwy 12 is clear.
Excessive rainfall over the burn scar may result in debris flow
moving through the Big Branch Creek and Indian 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...Radar.
IMPACT...Life threatening flash flooding of areas in and around
the Spring Burn Scar.
Some locations that will experience flash flooding include...
Indian Creek on the southeastern Spring Burn Scar and southeastern
Spring Burn Scar south of Highway 160 in Huerfano county.
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 3739 10510 3740 10512 3742 10513 3744 10509
3745 10509 3746 10508 3748 10506 3748 10505
3745 10502 3742 10504
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
KS393
WGUS75 KPUB 030313
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
913 PM MDT Mon Aug 2 2021
COC055-030323-
/O.CAN.KPUB.FF.W.0114.000000T0000Z-210803T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Huerfano CO-
913 PM MDT Mon Aug 2 2021
...FLASH FLOOD WARNING FOR THE SPRING BURN SCAR IS CANCELLED FOR
SOUTH CENTRAL HUERFANO COUNTY...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures. With Hwy 12 clear of water and debris and no rain
being observed over radar, we have decided to cancel the Flash Flood
Warning.
A Flash Flood Watch remains in effect until 1200 AM MDT for portions
of central Colorado, south central Colorado and southeast Colorado.
LAT...LON 3739 10510 3740 10512 3742 10513 3744 10509
3745 10509 3746 10508 3748 10506 3748 10505
3745 10502 3742 10504
$$
KSThe office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 7:38 PM MDT | Flash Flood Warning | PUB | Huerfano | 96 min |
| Aug 2, 9:04 PM MDT | Special Weather Statement | PUB | Chaffee | 56 min |
| Aug 3, 12:46 PM MDT | Special Weather Statement | PUB | El Paso | 29 min |
| Aug 3, 12:56 PM MDT | Special Weather Statement | PUB | Huerfano | 34 min |
| Aug 3, 1:20 PM MDT | Special Weather Statement | PUB | El Paso | 40 min |
| Aug 3, 1:48 PM MDT | Special Weather Statement | PUB | Custer | 27 min |
| Aug 3, 1:58 PM MDT | Special Weather Statement | PUB | Huerfano | 32 min |
| Aug 3, 2:07 PM MDT | Special Weather Statement | PUB | El Paso | 38 min |
| Aug 3, 2:12 PM MDT | Special Weather Statement | PUB | Custer | 33 min |
| Aug 3, 2:28 PM MDT | Special Weather Statement | PUB | Huerfano | 32 min |
| Aug 3, 2:30 PM MDT | Special Weather Statement | PUB | Las Animas | 45 min |
| Aug 3, 2:48 PM MDT | Special Weather Statement | PUB | Pueblo | 27 min |
| Aug 3, 2:52 PM MDT | Special Weather Statement | PUB | El Paso | 38 min |
| Aug 3, 3:32 PM MDT | Special Weather Statement | PUB | Chaffee | 43 min |
| Aug 3, 3:38 PM MDT | Special Weather Statement | PUB | Pueblo | 37 min |
| Aug 3, 4:14 PM MDT | Special Weather Statement | PUB | Alamosa | 31 min |
| Aug 3, 4:18 PM MDT | Special Weather Statement | PUB | Costilla | 42 min |
| Aug 3, 4:25 PM MDT | Special Weather Statement | PUB | Fremont | 65 min |
| Aug 3, 4:28 PM MDT | Special Weather Statement | PUB | Las Animas | 32 min |
| Aug 3, 4:46 PM MDT | Flash Flood Warning | PUB | Costilla | 3 hr |
| Aug 3, 4:51 PM MDT | Special Weather Statement | PUB | Teller | 39 min |
| Aug 3, 4:57 PM MDT | Special Weather Statement | PUB | Pueblo | 33 min |
| Aug 3, 5:08 PM MDT | Special Weather Statement | PUB | Fremont | 52 min |
| Aug 3, 5:13 PM MDT | Flash Flood Warning | PUB | Pueblo | 3 hr |
| Aug 3, 5:26 PM MDT | Flash Flood Warning | PUB | Teller | 109 min |
| Aug 3, 5:31 PM MDT | Special Weather Statement | PUB | Fremont | 44 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.