Alert archive / Colorado / Flash Flood Warnings in 2021
Flash Flood Warning 35, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood warning at Jul 2, 2021, 9:49 PM MDT for Chaffee County, Colorado. It was in force for 116 min. 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 2, 2021, 9:49 PM MDT (03:49 UTC)
- Expired
- Jul 2, 2021, 11:45 PM MDT
- In force
- 116 min
- Issued by
- NWS Pueblo, CO
- Area
- Storm-based polygon
- Flood severity
- None
County Chaffee County, CO
The radar
The Grand Junction radar (KGJX), 171 km from the middle of the area, began a volume at 03:48 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, 3.8 hours before the alert went out and 197 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
- 257 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 3375 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
013
WGUS55 KPUB 030349
FFWPUB
COC015-030545-
/O.NEW.KPUB.FF.W.0035.210703T0349Z-210703T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
949 PM MDT Fri Jul 2 2021
The National Weather Service in Pueblo has issued a
* Flash Flood Warning for...
Central Chaffee County in central Colorado...
* Until 1145 PM MDT.
* At 949 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain in Cottonwood Creek. Up to 0.5 inches of rain have
fallen. The expected rainfall rate is 1 inch 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.
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...
mainly rural areas of Central Chaffee County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3891 10630 3887 10624 3884 10616 3883 10616
3882 10620 3883 10624 3884 10628 3885 10632
3887 10632
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1 INCH IN 1 HOUR
$$
KT2 follow-up statements
744
WGUS75 KPUB 030427
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
1027 PM MDT Fri Jul 2 2021
COC015-030545-
/O.CON.KPUB.FF.W.0035.000000T0000Z-210703T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chaffee CO-
1027 PM MDT Fri Jul 2 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM MDT THIS
EVENING FOR CENTRAL CHAFFEE COUNTY...
At 1027 PM MDT, Doppler radar indicated thunderstorms which produced
heavy rain in Cottonwood Creek have moved east of the drainage. Up
to 1 inch of rain has fallen. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
mainly rural areas of Central Chaffee County
Although the heavy rainfall has ended across Cottonwood Creek,
flooding will continue until the water has a chance to recede.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
&&
LAT...LON 3891 10630 3887 10624 3884 10616 3883 10616
3882 10620 3883 10624 3884 10628 3885 10632
3887 10632
FLASH FLOOD...RADAR INDICATED
$$
KT441
WGUS75 KPUB 030541
FFSPUB
Flash Flood Statement
National Weather Service Pueblo CO
1141 PM MDT Fri Jul 2 2021
COC015-030551-
/O.EXP.KPUB.FF.W.0035.000000T0000Z-210703T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chaffee CO-
1141 PM MDT Fri Jul 2 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 1145 PM MDT THIS EVENING FOR
CENTRAL CHAFFEE 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.
LAT...LON 3891 10630 3887 10624 3884 10616 3883 10616
3882 10620 3883 10624 3884 10628 3885 10632
3887 10632
$$
KTThe office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 7:17 PM MDT | Special Weather Statement | PUB | Las Animas | 43 min |
| Jul 3, 2:25 PM MDT | Special Weather Statement | PUB | Teller | 50 min |
| Jul 3, 2:44 PM MDT | Severe Thunderstorm Warning | PUB | Fremont, Teller | 46 min |
| Jul 3, 3:00 PM MDT | Special Weather Statement | PUB | El Paso | 45 min |
| Jul 3, 3:25 PM MDT | Severe Thunderstorm Warning | PUB | Fremont | 50 min |
| Jul 3, 4:13 PM MDT | Special Weather Statement | PUB | Fremont | 47 min |
| Jul 3, 5:08 PM MDT | Special Weather Statement | PUB | Teller | 37 min |
| Jul 3, 5:11 PM MDT | Special Weather Statement | PUB | Las Animas | 34 min |
| Jul 3, 5:25 PM MDT | Special Weather Statement | PUB | Huerfano | 35 min |
| Jul 3, 5:39 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 36 min |
| Jul 3, 5:44 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Las Animas | 31 min |
| Jul 3, 5:59 PM MDT | Special Weather Statement | PUB | Teller | 46 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.