Wasatch 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 5:13 PM MDT – Wednesday 07/22 3:00 AM MDT
Issued by NWS Salt Lake City UT
What
Flash flooding caused by excessive rainfall continues to be possible.
Where
A portion of Utah, including the following areas, Castle Country, Central Mountains, Eastern Juab/Millard Counties, San Rafael Swell, Sanpete Valley, Sevier Valley, Wasatch Plateau/Book Cliffs, Western Millard and Juab Counties, Bryce Canyon Country, Capitol Reef National Park and Vicinity, Glen Canyon Recreation Area/Lake Powell, South Central Utah, Southern Mountains, Upper Sevier River Valleys, Western Canyonlands, Lower Washington County, Southwest Utah and Zion National Park.
When
Until 3 AM MDT Wednesday.
Impacts
Excessive rainfall may result in flooding of slot canyons, normally dry washes, slick rock areas, recent burn scars including Forsyth, France Canyon, Cottonwood, Silver King, and Monroe Canyon, 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
- Wasatch Plateau/Book Cliffs
- Western Millard and Juab Counties
- Eastern Juab/Millard Counties
- Central Mountains
- Sanpete Valley
- Sevier Valley
- Castle Country
- San Rafael Swell
- Southwest Utah
- Lower Washington County
- Zion National Park
- Southern Mountains
- Upper Sevier River Valleys
- Bryce Canyon Country
- South Central Utah
- Capitol Reef National Park and Vicinity
- Western Canyonlands
- Glen Canyon Recreation Area/Lake Powell
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 4:30 PM MDT – Tuesday 07/21 5:15 PM MDT
Issued by NWS Salt Lake City UT
At 430 PM MDT, Doppler radar was tracking a strong thunderstorm near Daniel, or near Heber City, moving northwest at 10 mph.
HAZARD...Wind gusts of 50 to 55 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible.
Locations impacted include... Park City, Heber City, Heber, Daniel, Wasatch Mountain State Park, Little Cottonwood Canyon, Big Cottonwood Canyon, Midway, Charleston, Alta, Wallsburg, Deer Creek State Park, Hailstone, Jordanelle Reservoir, Snowbird, and Brighton.
This includes US Route 40 between mile markers 7 and 24.
What to Do
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service.
Areas Impacted
- Wasatch Back
- Wasatch Mountains South of I-80
- Western Uinta Mountains
- Wasatch Plateau/Book Cliffs
Briefings
From the Forecaster
Flood Watch
Created by the NWS Salt Lake City WFO
A Flood Watch is in effect for much of central and southern Utah on Tuesday. Widely scattered showers and thunderstorms developing in the afternoon will be capable of producing heavy rainfall that can lead to flash flooding especially for normally dry washes, slot canyons, and recent burn scars. Those planning to head outdoors should reconsider plans, and those living in these areas should have multiple ways to receive warnings.
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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