Alert archive / Colorado / Flash Flood Warnings in 2022
Flash Flood Warning 8, NWS Grand Junction, CO
NWS Grand Junction, CO issued this flash flood warning at Jul 15, 2022, 12:36 PM MDT for Eagle County, Garfield County, Colorado. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 15, 2022, 12:36 PM MDT (18:36 UTC)
- Expired
- Jul 15, 2022, 1:30 PM MDT
- In force
- 54 min
- Issued by
- NWS Grand Junction, CO
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
Counties Eagle County, CO, Garfield County, CO
The radar
The Grand Junction radar (KGJX), 100 km from the middle of the area, began a volume at 18:35 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.
The nearest sounding before it
Grand Junction, CO (KGJT), launched 12:00Z, 6.6 hours before the alert went out and 116 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
- 54 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 1923 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Junction, CO wrote its last area forecast discussion before this flash flood warning went out at Jul 15, 11:58 AM MDT, 38 minutes earlier.
Area forecast discussion, Jul 15, 11:58 AM MDT, 38 minutes before
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</html>Hazardous weather outlook, Jul 15, 5:58 AM MDT, 6 hours 38 minutes before
Hazardous Weather Outlook National Weather Service Grand Junction CO 558 AM MDT Fri Jul 15 2022 COZ001>014-017>023-UTZ022>025-027>029-161200- Lower Yampa River Basin-Central Yampa River Basin- Roan and Tavaputs Plateaus-Elkhead and Park Mountains- Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor- Central Colorado River Basin-Grand and Battlement Mesas- Gore and Elk Mountains/Central Mountain Valleys- Central Gunnison and Uncompahgre River Basin- West Elk and Sawatch Mountains-Flat Tops- Upper Gunnison River Valley-Uncompahgre Plateau and Dallas Divide- Northwest San Juan Mountains-Southwest San Juan Mountains- Paradox Valley/Lower Dolores River- Four Corners/Upper Dolores River-Animas River Basin- San Juan River Basin-Southeast Utah-Eastern Uinta Mountains- Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat- La Sal and Abajo Mountains-Canyonlands/Natural Bridges- 558 AM MDT Fri Jul 15 2022 This hazardous weather outlook is for eastern Utah and western Colorado. .DAY ONE...Today and Tonight Heavy rain potential and thunderstorms will develop today as deeper monsoon moisture moves over the region. Strong storms will be capable of flash flooding, especially over vulnerable burn scars, areas of steep terrain, and small streams. Storms will also be capable of gusty outflow winds and small hail. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Daily thunderstorms remain possible through the weekend with a slight downturn as monsoonal moisture continues to be recycled. Another increased storm cycle is anticipated early next week and continues through the work week. Lightning, gusty outflow winds and small hail will accompany storms. Moderate to heavy rainfall rates and excess runoff will be the primary threats from these storms. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
The office that day
Everything else NWS Grand Junction, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 6:29 PM MDT | Special Weather Statement | GJT | Mesa | 31 min |
| Jul 15, 1:36 PM MDT | Special Weather Statement | GJT | Moffat | 24 min |
| Jul 15, 2:04 PM MDT | Special Weather Statement | GJT | Routt | 26 min |
| Jul 15, 2:34 PM MDT | Special Weather Statement | GJT | Ouray | 26 min |
| Jul 15, 2:48 PM MDT | Special Weather Statement | GJT | Ouray | 27 min |
| Jul 15, 2:58 PM MDT | Areal Flood Advisory | GJT | San Miguel | 3 hr |
| Jul 15, 3:15 PM MDT | Special Weather Statement | GJT | Ouray | 30 min |
| Jul 15, 3:31 PM MDT | Special Weather Statement | GJT | Moffat | 29 min |
| Jul 15, 4:25 PM MDT | Special Weather Statement | GJT | Ouray | 35 min |
| Jul 15, 4:31 PM MDT | Special Weather Statement | GJT | 29 min | |
| Jul 15, 4:38 PM MDT | Special Weather Statement | GJT | Eagle | 37 min |
| Jul 15, 4:49 PM MDT | Special Weather Statement | GJT | Mesa | 26 min |
| Jul 15, 4:51 PM MDT | Special Weather Statement | GJT | Rio Blanco | 24 min |
| Jul 15, 5:04 PM MDT | Special Weather Statement | GJT | Rio Blanco | 26 min |
| Jul 15, 5:12 PM MDT | Flash Flood Warning | GJT | San Miguel | 3 hr |
| Jul 15, 5:21 PM MDT | Special Weather Statement | GJT | Mesa | 24 min |
| Jul 15, 5:22 PM MDT | Special Weather Statement | GJT | Pitkin | 23 min |
| Jul 15, 5:31 PM MDT | Special Weather Statement | GJT | Routt | 29 min |
| Jul 15, 5:45 PM MDT | Special Weather Statement | GJT | Rio Blanco | 30 min |
| Jul 15, 5:46 PM MDT | Areal Flood Advisory | GJT | Mesa | 3 hr |
| Jul 15, 5:48 PM MDT | Special Weather Statement | GJT | Mesa | 42 min |
| Jul 15, 5:57 PM MDT | Special Weather Statement | GJT | Pitkin | 33 min |
| Jul 14, 10:48 PM MDT | Special Weather Statement | GJT | Grand | 42 min |
| Jul 14, 11:47 PM MDT | Special Weather Statement | GJT | Grand | 28 min |
| Jul 15, 4:13 PM MDT | Special Weather Statement | GJT | Uintah | 32 min |
Nearby
Flash Flood Warnings in Colorado, 2022Every flash flood warning in 2022
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.