Grand County, UT
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 6:26 PM MDT – Tuesday 07/21 9:30 PM MDT
Issued by NWS Grand Junction CO
FFWGJT
The National Weather Service in Grand Junction has issued a
* Flash Flood Warning for... South Central Grand County in east central Utah... Northeastern San Juan County in southeastern Utah...
* Until 930 PM MDT.
* At 626 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across Kane Springs and Hunter Canyons. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 2 to 3 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly.
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... Moab and Spanish Valley.
This includes the following streams and drainages... Kane Springs Canyon and Hunters Canyon.
What to Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Remain alert for flooding even in locations not receiving rain. It is important to know where you are relative to arroyos, streams, or creeks which can become raging currents in a matter of minutes, even from distant rainfall.
Immediately climb to higher ground. Runoff concentrated through narrow canyon walls can quickly become dangerous, life threatening conditions.
Areas Impacted
- Grand, UT
- San Juan, UT
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 6:44 PM MDT – Tuesday 07/21 7:15 PM MDT
Issued by NWS Grand Junction CO
At 644 PM MDT, Doppler radar was tracking a strong thunderstorm 10 miles southeast of Fry Canyon, or 26 miles north of Mexican Hat, moving west at 35 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.
Locations impacted include... Fry Canyon.
This includes the following highways... Utah 95 between mile markers 64 and 97. Utah 275 between mile markers 0 and 3.
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
- Southeast Utah
- La Sal and Abajo Mountains
- Canyonlands/Natural Bridges
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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