Alert archive / Colorado / Flash Flood Watches in 2021
Flash Flood Watch 14, NWS Pueblo, CO
NWS Pueblo, CO issued this flash flood watch at Jul 23, 2021, 3:06 AM MDT for 11 counties in Colorado. It took effect at Jul 23, 2021, 12:00 PM MDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Jul 23, 2021, 3:06 AM MDT (09:06 UTC)
- In effect from
- Jul 23, 2021, 12:00 PM MDT
- Expired
- Jul 23, 2021, 10:32 PM MDT
- In force
- 11 hr
- Issued by
- NWS Pueblo, CO
- Flood severity
- None
Counties Alamosa County, CO, Chaffee County, CO, Conejos County, CO, Costilla County, CO, Custer County, CO, Fremont County, CO, Huerfano County, CO, Lake County, CO, Mineral County, CO, Rio Grande County, CO, Saguache County, CO
The radar
The Pueblo radar (KPUX), 163 km from the middle of the area, began a volume at 09:07 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, 9.1 hours before the alert went out and 258 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
- 181 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 2836 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
244 WGUS65 KPUB 230906 FFAPUB URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Pueblo CO 306 AM MDT Fri Jul 23 2021 COZ058-060-061-064>068-072-073-231715- /O.NEW.KPUB.FF.A.0014.210723T1800Z-210724T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Western Mosquito Range/East Lake County Above 11000 Feet-Eastern Sawatch Mountains Above 11000 Feet-Western Chaffee County Between 9000 and 11000 Feet-Saguache County West of Continental Divide Below 10000 Feet-Saguache County East of Continental Divide Below 10000 Feet-La Garita Mountains Above 10000 Feet-Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Feet-Eastern San Juan Mountains Above 10000 Feet-Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-Northern Sangre de Cristo Mountains Above 11000 Feet- Including the cities of Cumbres Pass, St Elmo, South Fork, Climax, Wolf Creek Pass, Creede, La Veta Pass, Poncha Pass, Sargents, Bonanza, Granite, Blanca Peak, North Pass, and Alpine 306 AM MDT Fri Jul 23 2021 ...FLASH FLOOD WATCH IN EFFECT FROM NOON MDT TODAY THROUGH THIS EVENING... The National Weather Service in Pueblo has issued a * Flash Flood Watch for portions of central Colorado, south central Colorado and southeast Colorado, including the following areas, in central Colorado, Eastern Sawatch Mountains Above 11000 Feet, La Garita Mountains Above 10000 Feet, Saguache County East of Continental Divide Below 10000 Feet, Saguache County West of Continental Divide Below 10000 Feet, Western Chaffee County Between 9000 and 11000 Feet and Western Mosquito Range/East Lake County Above 11000 Feet. In south central Colorado, Eastern San Juan Mountains Above 10000 Feet and Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Feet. In southeast Colorado, Northern Sangre de Cristo Mountains Above 11000 Feet and Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet. * From Noon MDT today through this evening. * Slow moving thunderstorms, capable of producing locally heavy rainfall and flash flooding will be possible this afternoon and evening across the watch area. The Decker burn scar area could be most susceptible to flash flooding. * Rock slides and quick rises in creeks and streams will be possible with heavy rainfall in steep terrain. Mud and debris flows will be possible in and near burn scars. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ PS
3 follow-up statements
362 WGUS65 KPUB 231710 FFAPUB Flood Watch National Weather Service Pueblo CO 1110 AM MDT Fri Jul 23 2021 COZ058-060-061-064>068-072-073-240115- /O.CON.KPUB.FF.A.0014.210723T1800Z-210724T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Western Mosquito Range/East Lake County Above 11000 Feet-Eastern Sawatch Mountains Above 11000 Feet-Western Chaffee County Between 9000 and 11000 Feet-Saguache County West of Continental Divide Below 10000 Feet-Saguache County East of Continental Divide Below 10000 Feet-La Garita Mountains Above 10000 Feet-Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Feet-Eastern San Juan Mountains Above 10000 Feet-Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-Northern Sangre de Cristo Mountains Above 11000 Feet- Including the cities of Cumbres Pass, St Elmo, South Fork, Climax, Wolf Creek Pass, Creede, La Veta Pass, Poncha Pass, Sargents, Bonanza, Granite, Blanca Peak, North Pass, and Alpine 1110 AM MDT Fri Jul 23 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... The Flash Flood Watch continues for * Portions of central Colorado, south central Colorado and southeast Colorado, including the following areas, in central Colorado, Eastern Sawatch Mountains Above 11000 Feet, La Garita Mountains Above 10000 Feet, Saguache County East of Continental Divide Below 10000 Feet, Saguache County West of Continental Divide Below 10000 Feet, Western Chaffee County Between 9000 and 11000 Feet and Western Mosquito Range/East Lake County Above 11000 Feet. In south central Colorado, Eastern San Juan Mountains Above 10000 Feet and Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Feet. In southeast Colorado, Northern Sangre de Cristo Mountains Above 11000 Feet and Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet. * Through this evening. * Slow moving thunderstorms, capable of producing locally heavy rainfall and flash flooding will be possible this afternoon and evening across the watch area. The Decker burn scar area could be most susceptible to flash flooding. * Rock slides and quick rises in creeks and streams will be possible with heavy rainfall in steep terrain. Mud and debris flows will be possible in and near burn scars. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ CS/SR
617 WGUS65 KPUB 232351 FFAPUB Flood Watch National Weather Service Pueblo CO 551 PM MDT Fri Jul 23 2021 COZ058-060-061-064>068-072-073-240600- /O.CON.KPUB.FF.A.0014.000000T0000Z-210724T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Western Mosquito Range/East Lake County Above 11000 Feet-Eastern Sawatch Mountains Above 11000 Feet-Western Chaffee County Between 9000 and 11000 Feet-Saguache County West of Continental Divide Below 10000 Feet-Saguache County East of Continental Divide Below 10000 Feet-La Garita Mountains Above 10000 Feet-Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Feet-Eastern San Juan Mountains Above 10000 Feet-Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-Northern Sangre de Cristo Mountains Above 11000 Feet- Including the cities of Cumbres Pass, St Elmo, South Fork, Climax, Wolf Creek Pass, Creede, La Veta Pass, Poncha Pass, Sargents, Bonanza, Granite, Blanca Peak, North Pass, and Alpine 551 PM MDT Fri Jul 23 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... The Flash Flood Watch continues for * Portions of central Colorado, south central Colorado and southeast Colorado, including the following areas, in central Colorado, Eastern Sawatch Mountains Above 11000 Feet, La Garita Mountains Above 10000 Feet, Saguache County East of Continental Divide Below 10000 Feet, Saguache County West of the Continental Divide Below 10000 Feet, Western Chaffee County Between 9000 and 11000 Feet and Western Mosquito Range and East Lake County Above 11000 Feet. In south central Colorado, Eastern San Juan Mountains Above 10000 Feet and Upper Rio Grande Valley and Eastern San Juan Mountains Below 10000 Feet. In southeast Colorado, Northern Sangre de Cristo Mountains. * Until Midnight MDT tonight. * Slow moving thunderstorms, capable of producing locally heavy rainfall and flash flooding will be possible through this evening across the watch area. Burn scars and the Chalk Cliffs area will be most susceptible to flash flooding. * Rock slides and quick rises in creeks and streams will be possible with heavy rainfall in steep terrain. Mud and debris flows will be possible in and near burn scars. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ KT
758 WGUS65 KPUB 240432 FFAPUB Flood Watch National Weather Service Pueblo CO 1032 PM MDT Fri Jul 23 2021 COZ058-060-061-064>068-072-073-240545- /O.CAN.KPUB.FF.A.0014.000000T0000Z-210724T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Western Mosquito Range/East Lake County Above 11000 Feet-Eastern Sawatch Mountains Above 11000 Feet-Western Chaffee County Between 9000 and 11000 Feet-Saguache County West of Continental Divide Below 10000 Feet-Saguache County East of Continental Divide Below 10000 Feet-La Garita Mountains Above 10000 Feet-Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Feet-Eastern San Juan Mountains Above 10000 Feet-Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-Northern Sangre de Cristo Mountains Above 11000 Feet- Including the cities of Cumbres Pass, St Elmo, South Fork, Climax, Wolf Creek Pass, Creede, La Veta Pass, Poncha Pass, Sargents, Bonanza, Granite, Blanca Peak, North Pass, and Alpine 1032 PM MDT Fri Jul 23 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of central Colorado, south central Colorado and southeast Colorado, including the following areas, in central Colorado, Eastern Sawatch Mountains Above 11000 Feet, La Garita Mountains Above 10000 Feet, Saguache County East of Continental Divide Below 10000 Feet, Saguache County West of Continental Divide Below 10000 Feet, Western Chaffee County Between 9000 and 11000 Feet and Western Mosquito Range and East Lake County Above 11000 Feet. In south central Colorado, Eastern San Juan Mountains Above 10000 Feet and Upper Rio Grande Valley and Eastern San Juan Mountains Below 10000 Feet. In southeast Colorado, Northern Sangre de Cristo Mountains Above 11000 Feet and Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet has been cancelled. The Flood Watch is cancelled. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. $$ KT
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 2:47 PM MDT | Special Weather Statement | PUB | Chaffee | 43 min |
| Jul 23, 3:24 PM MDT | Flash Flood Warning | PUB | Saguache | 3 hr |
| Jul 23, 3:34 PM MDT | Flash Flood Warning | PUB | Chaffee, Fremont, Saguache | 3 hr |
| Jul 23, 3:42 PM MDT | Special Weather Statement | PUB | Lake | 48 min |
| Jul 23, 4:53 PM MDT | Flash Flood Warning | PUB | Chaffee | 5 hr |
| Jul 23, 5:19 PM MDT | Flash Flood Warning | PUB | Saguache | 3 hr |
| Jul 23, 5:27 PM MDT | Special Weather Statement | PUB | Saguache | 48 min |
Nearby
Flash Flood Watches in Colorado, 2021Every flash flood watch 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.