Alert archive / Colorado / Flash Flood Warnings in 2021
Flash Flood Warning 74, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood warning at Jul 23, 2021, 7:26 PM MDT for Chaffee County, Fremont County, Colorado. It was in force for 3 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, 7:26 PM MDT (01:26 UTC)
- Expired
- Jul 23, 2021, 10:02 PM MDT
- In force
- 3 hr
- Issued by
- NWS Pueblo, CO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Chaffee County, CO, Fremont County, CO
The radar
The Pueblo radar (KPUX), 137 km from the middle of the area, began a volume at 01:26 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, 1.4 hours before the alert went out and 246 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.
339
WGUS55 KPUB 240126
FFWPUB
COC015-043-240430-
/O.NEW.KPUB.FF.W.0074.210724T0126Z-210724T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
726 PM MDT Fri Jul 23 2021
The National Weather Service in Pueblo has issued a
* Flash Flood Warning for...
Southeastern Chaffee County in central Colorado...
Northwestern Fremont County in central Colorado...
* Until 1030 PM MDT.
* At 726 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain in Wester Fremont County. Between 1 and 2 inches of
rain have fallen. The expected rainfall rate is 2.5 to 3.75 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, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Waugh Mountain.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3869 10589 3869 10558 3858 10555 3841 10556
3841 10574 3852 10588 3862 10591
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2.5-3.75 INCHES IN 1 HOUR
$$
KS2 follow-up statements
637
WGUS75 KPUB 240239 RRA
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
839 PM MDT Fri Jul 23 2021
COC015-043-240430-
/O.CON.KPUB.FF.W.0074.000000T0000Z-210724T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chaffee CO-Fremont CO-
839 PM MDT Fri Jul 23 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM MDT THIS
EVENING FOR SOUTHEASTERN CHAFFEE AND NORTHWESTERN FREMONT COUNTIES...
At 839 PM MDT, Doppler radar indicated thunderstorms producing heavy
rain in Wester Fremont County. Between 1 and 2 inches of rain have
fallen. The expected rainfall rate is 0.5 to 1 inch in 1 hour. Flash
flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Waugh Mountain.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3869 10589 3869 10558 3858 10555 3841 10556
3841 10574 3852 10588 3862 10591
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.5-1 INCH IN 1 HOUR
$$
KS581
WGUS75 KPUB 240402
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
1002 PM MDT Fri Jul 23 2021
COC015-043-240412-
/O.CAN.KPUB.FF.W.0074.000000T0000Z-210724T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chaffee CO-Fremont CO-
1002 PM MDT Fri Jul 23 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN CHAFFEE AND
NORTHWESTERN FREMONT 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.
LAT...LON 3869 10589 3869 10558 3858 10555 3841 10556
3841 10574 3852 10588 3862 10591
$$
KSThe 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, 7:29 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 |
| 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.