Alert archive / Colorado / Flash Flood Warnings in 2021
Flash Flood Warning 96, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood warning at Jul 31, 2021, 4:31 PM MDT for El Paso County, Colorado. It was in force for 3 hr. 2 reports 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 31, 2021, 4:31 PM MDT (22:31 UTC)
- Expired
- Jul 31, 2021, 7:30 PM MDT
- In force
- 3 hr
- Issued by
- NWS Pueblo, CO
- Area
- Storm-based polygon
- Flood severity
- None
County El Paso County, CO
The radar
The Pueblo radar (KPUX), 61 km from the middle of the area, began a volume at 22:35 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 31, 4:57 PM MDT | FLASH FLOOD | 3 Ese Colorado Springs, CO | VIDEO ON TWITTER SHOWED SEVERAL INCHES OF WATER OVER THE ROAD IN A CONSTRUCTION ZONE. ONE VEHICLE WAS DISABLED AND MANUALLY PUSHED DOWN THE ROAD. SO FAR IT APPEARS TO BE THE ONLY ONE. |
| Jul 31, 4:57 PM MDT | FLASH FLOOD | 3 Ese Colorado Springs, CO | VIDEO ON TWITTER SHOWED SEVERAL INCHES OF WATER OVER THE ROAD IN A CONSTRUCTION ZONE. VEHICLES WERE STILL ABLE TO DRIVE THROUGH IT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 10.5 hours before the alert went out and 180 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
- 44 J/kg
- Mixed-layer CIN
- -277 J/kg
- Mixed-layer LCL
- 1127 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -71 m²/s²
- 0-3 km storm-relative helicity
- -21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
663
WGUS55 KPUB 312231
FFWPUB
COC041-010130-
/O.NEW.KPUB.FF.W.0096.210731T2231Z-210801T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
431 PM MDT Sat Jul 31 2021
The National Weather Service in Pueblo has issued a
* Flash Flood Warning for...
Southwestern El Paso County in east central Colorado...
* Until 730 PM MDT.
* At 431 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain in Fountain Creek. Between 0.5 and 1.3 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly. Street flooding has been observed on Fountain and Circle
in southern Colorado Springs.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Southern Colorado Springs, Fountain, Fort Carson, Security,
Stratmoor, Security-Widefield and Cimarron Hills.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3885 10479 3886 10474 3881 10468 3874 10471
3866 10463 3863 10474 3868 10485 3872 10487
3883 10484
FLASH FLOOD...RADAR INDICATED
$$
KS1 follow-up statement
783
WGUS75 KPUB 312316
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
516 PM MDT Sat Jul 31 2021
COC041-010130-
/O.CON.KPUB.FF.W.0096.000000T0000Z-210801T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
El Paso CO-
516 PM MDT Sat Jul 31 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM MDT THIS
EVENING FOR SOUTHWESTERN EL PASO COUNTY...
At 516 PM MDT, Doppler radar indicated thunderstorms producing heavy
rain across the Colorado Springs region. Additional heavy rain is
moving into the areas which have received heavy rain. Between 1 and
2 inches of rain have fallen. Additional rainfall amounts of 1 to 2
inches are possible in the warned area. Social media has shown flash
flooding occurring at Fountain and Circle.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and Social Media
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Southern Colorado Springs, Fountain, Fort Carson, Security,
Stratmoor, Security-Widefield and Cimarron Hills.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3885 10479 3886 10474 3881 10468 3874 10471
3866 10463 3863 10474 3868 10485 3872 10487
3883 10484
FLASH FLOOD...RADAR INDICATED
$$
HodanishThe office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 6:13 PM MDT | Special Weather Statement | PUB | Douglas | 17 min |
| Jul 31, 12:57 PM MDT | Special Weather Statement | PUB | Costilla | 63 min |
| Jul 31, 1:12 PM MDT | Special Weather Statement | PUB | Custer | 33 min |
| Jul 31, 1:39 PM MDT | Flash Flood Warning | PUB | Fremont | 3 hr |
| Jul 31, 1:56 PM MDT | Special Weather Statement | PUB | Custer | 49 min |
| Jul 31, 1:59 PM MDT | Special Weather Statement | PUB | Chaffee | 46 min |
| Jul 31, 2:01 PM MDT | Special Weather Statement | PUB | Chaffee | 44 min |
| Jul 31, 2:12 PM MDT | River Flood Watch | PUB | Pueblo | 18 hr |
| Jul 31, 2:12 PM MDT | River Flood Watch | PUB | Pueblo | 15 hr |
| Jul 31, 2:12 PM MDT | River Flood Watch | PUB | Pueblo | 13 hr |
| Jul 31, 2:13 PM MDT | Special Weather Statement | PUB | Conejos | 32 min |
| Jul 31, 2:36 PM MDT | Flash Flood Warning | PUB | Chaffee | 3 hr |
| Jul 31, 2:38 PM MDT | Flash Flood Warning | PUB | Custer | 118 min |
| Jul 31, 2:48 PM MDT | Flash Flood Warning | PUB | Chaffee | 3 hr |
| Jul 31, 3:11 PM MDT | Special Weather Statement | PUB | Conejos | 34 min |
| Jul 31, 3:22 PM MDT | Special Weather Statement | PUB | Saguache | 38 min |
| Jul 31, 3:25 PM MDT | Special Weather Statement | PUB | Alamosa | 35 min |
| Jul 31, 3:30 PM MDT | Special Weather Statement | PUB | Rio Grande | 45 min |
| Jul 31, 3:39 PM MDT | Special Weather Statement | PUB | Las Animas | 36 min |
| Jul 31, 3:43 PM MDT | Special Weather Statement | PUB | Baca | 32 min |
| Jul 31, 3:56 PM MDT | Special Weather Statement | PUB | Huerfano | 49 min |
| Jul 31, 4:05 PM MDT | Special Weather Statement | PUB | El Paso | 25 min |
| Jul 31, 4:46 PM MDT | Flash Flood Warning | PUB | Huerfano | 4 hr |
| Jul 31, 4:50 PM MDT | Flash Flood Warning | PUB | Custer, Pueblo | 3 hr |
| Jul 31, 4:59 PM MDT | Special Weather Statement | PUB | Baca | 31 min |
| Jul 31, 5:03 PM MDT | Flash Flood Warning | PUB | Custer, Huerfano, Pueblo | 3 hr |
| Jul 31, 5:13 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 4 hr |
| Jul 31, 5:28 PM MDT | Special Weather Statement | PUB | Baca | 32 min |
| Jul 31, 5:29 PM MDT | Special Weather Statement | PUB | Baca | 46 min |
| Jul 31, 5:35 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jul 31, 5:43 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Jul 31, 5:45 PM MDT | Special Weather Statement | PUB | Baca | 30 min |
| Jul 31, 5:55 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 35 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.