San Miguel County, CO
Alerts
Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Tuesday 07/21 6:18 PM MDT – Tuesday 07/21 7:30 PM MDT
Issued by NWS Grand Junction CO
FFWGJT
The National Weather Service in Grand Junction has extended the
* Flash Flood Warning for... Northeastern San Miguel County in southwestern Colorado... Southern Montrose County in west central Colorado...
* Until 730 PM MDT.
* At 618 PM MDT, Doppler radar indicated thunderstorms producing heavy rain in Highway 145 between Norwood Hill and Placerville. Between 0.6 and 0.8 inches of rain have fallen. Flash flooding is already occurring with multiple mudslides reported around 3:45 pm MDT along Highway 145 between Norwood Hill and Placerville resulting in a closure of Highway 145 between mile markers 85 and 96.
HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include... Norwood and Placerville, including areas along Highway 145.
What to Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Highway 145 between Norwood Hill and Placerville is prone to rockslides and mudslides in heavy rain. Stay alert for rocks and debris on roads, and avoid driving on flooded roads. Find an alternate route.
Areas Impacted
- Montrose, CO
- San Miguel, CO
Tips to Stay Safe
A Flash Flood Warning means that dangerous flooding is expected or already happening. Flash flooding can develop in hours or minutes, so take protective action now.
- If you are in a low-lying or flood prone area, move to higher ground immediately.
- Stay off bridges over fast-moving water, and away from storm drains, culverts, creeks and streams.
- Never walk, swim, or drive through flood waters or flooded roads.
- If you are trapped in a building, move to the highest floor and call 911. Go to the roof only if necessary.
- If your vehicle is trapped in rapidly moving water, stay inside. If water is rising inside the vehicle, move to the roof and signal for help.
In effect from Tuesday 07/21 6:40 PM MDT – Tuesday 07/21 7:45 PM MDT
Issued by NWS Grand Junction CO
FFWGJT
The National Weather Service in Grand Junction has extended the
* Flash Flood Warning for... The Ferris burn scar in... Northwestern Dolores County in southwestern Colorado... Northern Montezuma County in southwestern Colorado... West Central San Miguel County in southwestern Colorado...
* Until 745 PM MDT.
* At 640 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Ferris Burn Scar. Between 0.4 and 0.7 inches of rain have fallen across the northwest portion of the Ferris Burn Scar. The expected rainfall rate is 3 to 5 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly.
Excessive rainfall over the burn scar will result in debris flows. The debris flow can consist of rock, mud, vegetation and other loose materials.
HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Ferris Burn Scar.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of areas in and around the Ferris Burn Scar.
* Some locations that will experience flash flooding include... mainly rural areas of Northwestern Dolores, Northern Montezuma and West Central San Miguel Counties
What to Do
This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the Ferris Burn Scar. Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety.
Move away from recently burned areas. Life-threatening flooding of creeks, roads and normally dry arroyos is likely. The heavy rains will likely trigger rockslides, mudslides and debris flows in steep terrain, especially in and around these areas.
Areas Impacted
- Dolores, CO
- Montezuma, CO
- San Miguel, CO
Tips to Stay Safe
A Flash Flood Warning means that dangerous flooding is expected or already happening. Flash flooding can develop in hours or minutes, so take protective action now.
- If you are in a low-lying or flood prone area, move to higher ground immediately.
- Stay off bridges over fast-moving water, and away from storm drains, culverts, creeks and streams.
- Never walk, swim, or drive through flood waters or flooded roads.
- If you are trapped in a building, move to the highest floor and call 911. Go to the roof only if necessary.
- If your vehicle is trapped in rapidly moving water, stay inside. If water is rising inside the vehicle, move to the roof and signal for help.
In effect from Tuesday 07/21 12:00 PM MDT – Wednesday 07/22 3:00 AM MDT
Issued by NWS Grand Junction CO
What
Flash flooding caused by excessive rainfall is possible.
Where
Portions of Colorado, including the following areas, Debeque to Silt Corridor, Four Corners/Upper Dolores River, Grand and Battlement Mesas, Paradox Valley/Lower Dolores River, Roan and Tavaputs Plateaus and Uncompahgre Plateau and Dallas Divide and Utah, including the following areas, Arches/Grand Flat, Canyonlands/Natural Bridges, La Sal and Abajo Mountains, Southeast Utah and Tavaputs Plateau.
When
Through late tonight.
Impacts
Excessive runoff may result in flooding of creeks, streams, slot canyons, slick rock areas, recent burn scars including Babylon, Deer Creek, Turner Gulch, Lee, PL Gulch, Ferris, Snyder, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.
Additional Details
- http://www.weather.gov/safety/flood
What to Do
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Areas Impacted
- Roan and Tavaputs Plateaus
- Debeque to Silt Corridor
- Grand and Battlement Mesas
- Uncompahgre Plateau/Dallas Divide
- Paradox Valley/Lower Dolores River
- Four Corners/Upper Dolores River
- Southeast Utah
- Tavaputs Plateau
- Arches/Grand Flat
- La Sal and Abajo Mountains
- Canyonlands/Natural Bridges
Tips to Stay Safe
A Flood Watch means the area may experience a dangerous flooding event, and being prepared may save lives and property.
- Be aware of low-lying areas along your travel routes that are most likely to flood.
- Check your home’s emergency supplies, and make sure all members of the household know your emergency plan.
- Stay tuned for local weather updates on the situation as it develops.
If a Flood Warning is issued, it means that dangerous flooding is expected or already happening.
- Never walk, swim, or drive through flood waters or flooded roads.
- Stay away from areas where water levels can rise rapidly, like storm drains, culverts, creeks and streams.
If your home is likely to flood, or if authorities tell you to evacuate, do so immediately and move to higher ground.
In effect from Tuesday 07/21 6:32 PM MDT – Tuesday 07/21 7:00 PM MDT
Issued by NWS Grand Junction CO
At 631 PM MDT, Doppler radar was tracking a strong thunderstorm 18 miles south of Grand Junction, moving southwest at 15 mph.
HAZARD...Wind gusts up to 40 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation and outdoor objects is possible.
This storm will remain over mainly rural areas of southwestern Mesa County.
This includes Colorado 141 between mile markers 131 and 143.
What to Do
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways.
Areas Impacted
- Uncompahgre Plateau/Dallas Divide
Briefings
From the Forecaster
Flash Flood Risk Today
Created by the NWS Grand Junction WFO
Another round of showers and thunderstorms will occur this afternoon through tonight. Heavy rainfall creates a risk of flash flooding, especially in low-lying and flood-prone areas, and near recent burn scars. Debris flows are possible, especially near or downstream of recent burn scars. These storms can develop quickly and cause flooding in just minutes, so be sure to monitor the forecast and have a way to receive weather alerts. Showers and thunderstorms remain in the forecast for at least the next few days.
Seven-day Weather Risk Overview
The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
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