Alert archive / Colorado / Flash Flood Warnings in 2021
Flash Flood Warning 81, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood warning at Jul 24, 2021, 5:17 PM MDT for Custer County, Saguache 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 24, 2021, 5:17 PM MDT (23:17 UTC)
- Expired
- Jul 24, 2021, 8:02 PM MDT
- In force
- 3 hr
- Issued by
- NWS Pueblo, CO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Custer County, CO, Saguache County, CO
The radar
The Pueblo radar (KPUX), 133 km from the middle of the area, began a volume at 23:20 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 24, 6:45 PM MDT | FLASH FLOOD | 2 Se Crestone, CO | THERE WAS A REPORT OF 1 HOUSE FLOODED AND MULTIPLE HOUSES BEING SANDBAGGED NEAR WILLOW CREEK IN THE BACA GRANDE REGION OF CRESTONE, COLORADO. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Grand Junction, CO (KGJT), launched 12:00Z, 11.3 hours before the alert went out and 283 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
- 19 J/kg
- Mixed-layer CIN
- -266 J/kg
- Mixed-layer LCL
- 1844 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
670
WGUS55 KPUB 242317
FFWPUB
COC027-109-250215-
/O.NEW.KPUB.FF.W.0081.210724T2317Z-210725T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
517 PM MDT Sat Jul 24 2021
The National Weather Service in Pueblo has issued a
* Flash Flood Warning for...
East Central Saguache County in central Colorado...
Southwestern Custer County in southeastern Colorado...
* Until 815 PM MDT.
* At 517 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain in Crestone mountain group area including the creeks
and streams in that area. Between 1 and 2 inches of rain have
fallen. The expected rainfall rate is 1 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, mountain
roads as well as other poor drainage and low-lying
areas.
* Some locations that will experience flash flooding include...
Crestone Peak.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
&&
LAT...LON 3808 10564 3806 10559 3803 10554 3799 10550
3793 10550 3789 10554 3789 10557 3795 10566
3804 10571
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
KT2 follow-up statements
529
WGUS75 KPUB 250006
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
606 PM MDT Sat Jul 24 2021
COC027-109-250215-
/O.CON.KPUB.FF.W.0081.000000T0000Z-210725T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Custer CO-Saguache CO-
606 PM MDT Sat Jul 24 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM MDT THIS
EVENING FOR EAST CENTRAL SAGUACHE AND SOUTHWESTERN CUSTER COUNTIES...
At 606 PM MDT, Doppler radar indicated thunderstorms producing heavy
rain in Crestone mountain group area have weakened. Between 1 and
2.5 inches of rain have fallen. Flash flooding is expected to
continue until the water has a chance to recede.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, mountain
roads as well as other poor drainage and low-lying
areas.
Some locations that will experience flash flooding include...
Crestone Peak.
This includes the following streams and drainages...
Horn Creek, Macey Creek, North Colony Creek, South Colony Creek,
Cottonwood Creek, Deadman Creek, Spanish Creek, Willow Creek,
Crestone Creek and Lake Fork North Crestone Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
&&
LAT...LON 3808 10564 3806 10559 3803 10554 3799 10550
3793 10550 3789 10554 3789 10557 3795 10566
3804 10571
FLASH FLOOD...RADAR INDICATED
$$
KT749
WGUS75 KPUB 250202
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
802 PM MDT Sat Jul 24 2021
COC027-109-250212-
/O.CAN.KPUB.FF.W.0081.000000T0000Z-210725T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Custer CO-Saguache CO-
802 PM MDT Sat Jul 24 2021
...FLASH FLOOD WARNING IS CANCELLED FOR EAST CENTRAL SAGUACHE AND
SOUTHWESTERN CUSTER 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 900 PM MDT for portions
of central Colorado, south central Colorado and southeast Colorado.
LAT...LON 3808 10564 3806 10559 3803 10554 3799 10550
3793 10550 3789 10554 3789 10557 3795 10566
3804 10571
$$
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 23, 7:49 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 |
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.