Alert archive / Colorado / Flash Flood Warnings in 2021
Flash Flood Warning 78, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood warning at Jul 23, 2021, 7:49 PM MDT for Fremont County, Saguache 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, 7:49 PM MDT (01:49 UTC)
- Expired
- Jul 23, 2021, 10:07 PM MDT
- In force
- 2 hr
- Issued by
- NWS Pueblo, CO
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
Counties Fremont County, CO, Saguache County, CO
The radar
The Pueblo radar (KPUX), 143 km from the middle of the area, began a volume at 01:50 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, 1.8 hours before the alert went out and 251 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
- 917 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 2718 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
689
WGUS55 KPUB 240149
FFWPUB
COC043-109-240500-
/O.NEW.KPUB.FF.W.0078.210724T0149Z-210724T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
749 PM MDT Fri Jul 23 2021
The National Weather Service in Pueblo has issued a
* Flash Flood Warning for...
The Hayden Pass Burn Scar in...
Southwestern Fremont County in central Colorado...
Northeastern Saguache County in central Colorado...
* Until 1100 PM MDT.
* At 749 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain over the Hayden Pass Burn Scar. Up to 0.5 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.
Excessive rainfall over the burn scar will result in debris flow
moving through the Wolf Creek and Hayden 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 Hayden Pass
Burn Scar.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of areas in and around
the Hayden Pass Burn Scar.
* Some locations that will experience flash flooding include...
Hayden Pass Burn Scar.
This includes the following high risk locations...
Cutty's Resort On Hayden Creek Road and Big Cottonwood Creek along
County Road 40.
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 Hayden Pass 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 3830 10585 3837 10579 3832 10574 3827 10575
3827 10580 3829 10583 3829 10584
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
KT2 follow-up statements
022
WGUS75 KPUB 240235 RRA
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
835 PM MDT Fri Jul 23 2021
COC043-109-240500-
/O.CON.KPUB.FF.W.0078.000000T0000Z-210724T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fremont CO-Saguache CO-
835 PM MDT Fri Jul 23 2021
...FLASH FLOOD WARNING FOR THE HAYDEN PASS BURN SCAR REMAINS IN
EFFECT UNTIL 11 PM MDT THIS EVENING FOR SOUTHWESTERN FREMONT AND
NORTHEASTERN SAGUACHE COUNTIES...
At 835 PM MDT, Doppler radar indicated thunderstorms producing heavy
rain over the Hayden Pass Burn Scar. Up to 1 inch of rain has
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.
Excessive rainfall over the burn scar may result in debris flow
moving through the Wolf Creek and Hayden 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 Hayden Pass Burn Scar.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of areas in and around
the Hayden Pass Burn Scar.
Some locations that will experience flash flooding include...
Hayden Pass Burn Scar.
This includes the following high risk locations...
Cutty's Resort On Hayden Creek Road and Big Cottonwood Creek along
County Road 40.
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 Hayden Pass 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 3830 10585 3837 10579 3832 10574 3827 10575
3827 10580 3829 10583 3829 10584
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
KT794
WGUS75 KPUB 240407 RRB
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
1007 PM MDT Fri Jul 23 2021
COC043-109-240417-
/O.CAN.KPUB.FF.W.0078.000000T0000Z-210724T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fremont CO-Saguache CO-
1007 PM MDT Fri Jul 23 2021
...FLASH FLOOD WARNING FOR THE HAYDEN PASS BURN SCAR IS CANCELLED
FOR SOUTHWESTERN FREMONT AND NORTHEASTERN SAGUACHE 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.
A Flash Flood Watch remains in effect until 1200 AM MDT for portions
of central Colorado, south central Colorado and southeast Colorado.
LAT...LON 3830 10585 3837 10579 3832 10574 3827 10575
3827 10580 3829 10583 3829 10584
$$
KTThe office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 6:13 PM MDT | Special Weather Statement | PUB | El Paso | 32 min |
| Jul 23, 6:14 PM MDT | Special Weather Statement | PUB | El Paso | 46 min |
| Jul 23, 6:31 PM MDT | Special Weather Statement | PUB | Chaffee | 44 min |
| Jul 23, 6:43 PM MDT | Special Weather Statement | PUB | Mineral | 62 min |
| Jul 23, 6:58 PM MDT | Flash Flood Warning | PUB | El Paso, Teller | 2 hr |
| Jul 23, 7:03 PM MDT | Flash Flood Warning | PUB | Chaffee, Fremont, Saguache | 3 hr |
| Jul 23, 7:14 PM MDT | Flash Flood Warning | PUB | Chaffee | 3 hr |
| Jul 23, 7:15 PM MDT | Special Weather Statement | PUB | Fremont | 60 min |
| Jul 23, 7:26 PM MDT | Flash Flood Warning | PUB | Chaffee, Fremont | 3 hr |
| Jul 23, 7:29 PM MDT | Flash Flood Warning | PUB | Fremont | 117 min |
| Jul 23, 7:38 PM MDT | Flash Flood Warning | PUB | Chaffee, Saguache | 2 hr |
| Jul 23, 7:46 PM MDT | Flash Flood Warning | PUB | Fremont, Saguache | 2 hr |
| Jul 24, 3:43 AM MDT | Flood Watch | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 5 more | 5 min |
| Jul 24, 3:53 AM MDT | Flash Flood Watch | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 7 more | 17 hr |
| Jul 24, 1:26 PM MDT | Special Weather Statement | PUB | Pueblo | 49 min |
| Jul 24, 1:39 PM MDT | Flash Flood Warning | PUB | Pueblo | 6 hr |
| Jul 24, 2:51 PM MDT | Special Weather Statement | PUB | Fremont | 39 min |
| Jul 24, 3:28 PM MDT | Special Weather Statement | PUB | Pueblo | 47 min |
| Jul 24, 4:01 PM MDT | Flash Flood Warning | PUB | Pueblo | 3 hr |
| Jul 24, 4:43 PM MDT | Special Weather Statement | PUB | Custer | 62 min |
| Jul 24, 4:57 PM MDT | Special Weather Statement | PUB | Saguache | 48 min |
| Jul 24, 5:05 PM MDT | Special Weather Statement | PUB | Pueblo | 40 min |
| Jul 24, 5:17 PM MDT | Flash Flood Warning | PUB | Custer, Saguache | 3 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.