Alert archive / Colorado / Flood Watches in 2021
Flood Watch 1, NWS Pueblo, CO
NWS Pueblo, CO issued this flood watch at Jul 22, 2021, 2:42 AM MDT for 6 counties in Colorado. It took effect at Jul 22, 2021, 12:00 PM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jul 22, 2021, 2:42 AM MDT (08:42 UTC)
- In effect from
- Jul 22, 2021, 12:00 PM MDT
- Expired
- Jul 22, 2021, 2:48 AM MDT
- In force
- Issued by
- NWS Pueblo, CO
- Flood severity
- None
Counties Chaffee County, CO, Conejos County, CO, Lake County, CO, Mineral County, CO, Rio Grande County, CO, Saguache County, CO
The radar
The Grand Junction radar (KGJX), 193 km from the middle of the area, began a volume at 08:43 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, 8.7 hours before the alert went out and 218 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
- 166 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 3273 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
636 WGUS65 KPUB 220842 FFAPUB URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Pueblo CO 242 AM MDT Thu Jul 22 2021 COZ058>068-221645- /O.NEW.KPUB.FA.A.0001.210722T1800Z-210723T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Western Mosquito Range/East Lake County Above 11000 Feet-Leadville Vicinity/Lake County Below 11000 Feet-Eastern Sawatch Mountains Above 11000 Feet-Western Chaffee County Between 9000 and 11000 Feet- Central Chaffee County Below 9000 Feet-Western Mosquito Range/East Chaffee County Above 9000 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- Including the cities of Cumbres Pass, St Elmo, Salida, Leadville, Climax, South Fork, Wolf Creek Pass, Creede, Sargents, Buena Vista, Bonanza, Granite, North Pass, and Alpine 242 AM MDT Thu Jul 22 2021 ...FLOOD WATCH IN EFFECT FROM NOON MDT TODAY THROUGH THIS EVENING... The National Weather Service in Pueblo has issued a * Flood Watch for portions of central Colorado and south central Colorado, including the following areas, in central Colorado, the La Garita Mountains and Chaffee, Lake and western Saguache Counties. In south central Colorado, the Eastern San Juan Mountains and Upper Rio Grande Valley. * From Noon MDT today through this evening. * Slow moving thunderstorms capable of producing locally heavy rainfall and flash flooding will once again be possible this afternoon and evening across the watch area. Locations which received heavy rainfall yesterday, including much of Lake County around Leadville, will be particularly 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 alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ EP
1 follow-up statement
096 WGUS65 KPUB 220848 FFAPUB Flood Watch National Weather Service Pueblo CO 248 AM MDT Thu Jul 22 2021 COZ058>068-221000- /O.CAN.KPUB.FA.A.0001.210722T1800Z-210723T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Western Mosquito Range/East Lake County Above 11000 Feet-Leadville Vicinity/Lake County Below 11000 Feet-Eastern Sawatch Mountains Above 11000 Feet-Western Chaffee County Between 9000 and 11000 Feet- Central Chaffee County Below 9000 Feet-Western Mosquito Range/East Chaffee County Above 9000 Feet-Saguache County West of Continental Divide Below 10000 Feet-Saguache County East of Continental Divide Below 10000 Feet-La Garita Mountains Above 10000 Feet-Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Feet-Eastern San Juan Mountains Above 10000 Feet- Including the cities of Cumbres Pass, St Elmo, Salida, Leadville, Climax, South Fork, Wolf Creek Pass, Creede, Sargents, Buena Vista, Bonanza, Granite, North Pass, and Alpine 248 AM MDT Thu Jul 22 2021 ...FLOOD WATCH IS CANCELLED, CORRECTED WATCH WILL BE ISSUED SHORTLY... The Flood Watch for portions of central Colorado and south central Colorado, including the following areas, in central Colorado, Central Chaffee County Below 9000 Feet, Eastern Sawatch Mountains Above 11000 Feet, La Garita Mountains Above 10000 Feet, Leadville Vicinity/Lake County Below 11000 Feet, Saguache County East of Continental Divide Below 10000 Feet, Saguache County West of Continental Divide Below 10000 Feet, Western Chaffee County Between 9000 and 11000 Feet, Western Mosquito Range/East Chaffee County Above 9000 Feet and Western Mosquito Range/East Lake County Above 11000 Feet. In south central Colorado, Eastern San Juan Mountains Above 10000 Feet and Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Feet has been cancelled. Corrected watch will be issued shortly. $$ EP
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 6:19 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Jul 21, 6:51 PM MDT | Special Weather Statement | PUB | Conejos | 39 min |
| Jul 21, 6:59 PM MDT | Special Weather Statement | PUB | Costilla | 46 min |
| Jul 21, 7:00 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Jul 22, 2:54 AM MDT | Flash Flood Watch | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 18 hr |
| Jul 22, 1:43 PM MDT | Special Weather Statement | PUB | Rio Grande | 62 min |
| Jul 22, 2:59 PM MDT | Special Weather Statement | PUB | Saguache | 46 min |
| Jul 22, 3:30 PM MDT | Special Weather Statement | PUB | Mineral | 60 min |
| Jul 22, 3:46 PM MDT | Flash Flood Warning | PUB | Costilla | 3 hr |
| Jul 22, 3:51 PM MDT | Special Weather Statement | PUB | Saguache | 54 min |
| Jul 22, 3:55 PM MDT | Severe Thunderstorm Warning | PUB | Saguache | 35 min |
| Jul 22, 4:11 PM MDT | Severe Thunderstorm Warning | PUB | Saguache | 19 min |
| Jul 22, 4:29 PM MDT | Flash Flood Warning | PUB | Fremont, Saguache | 3 hr |
| Jul 22, 4:44 PM MDT | Special Weather Statement | PUB | Custer | 46 min |
| Jul 22, 4:58 PM MDT | Special Weather Statement | PUB | Saguache | 32 min |
| Jul 22, 5:06 PM MDT | Flash Flood Warning | PUB | Las Animas | 3 hr |
| Jul 22, 5:21 PM MDT | Special Weather Statement | PUB | Alamosa | 39 min |
| Jul 22, 5:41 PM MDT | Flash Flood Warning | PUB | Saguache | 3 hr |
| Jul 22, 5:59 PM MDT | Special Weather Statement | PUB | Alamosa | 46 min |
Nearby
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.