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Utah, Southwest Utah

Flash Flood Watch

Statement as of 3:08 AM MDT on July 20, 2017

Expires 2:00 AM EDT on July 21, 2017


... Flash Flood Watch in effect from noon MDT today through this
evening...

The National Weather Service in Salt Lake City has issued a

* Flash Flood Watch for portions of central Utah and southern
Utah, including the following areas, in central Utah, Castle
country, central mountains, San Rafael Swell, Sanpete/Sevier
valleys, Wasatch Plateau/Book Cliffs, and west central Utah.
In southern Utah, Glen Canyon Recreation Area/Lake Powell,
south central Utah, southern mountains, southwest Utah, and
utahs Dixie and Zion National Park.

* From noon MDT today until midnight MDT tonight

* scattered showers and thunderstorms are expected to develop
across central and southern Utah this afternoon and evening.
Many of these storms will be capable of producing very heavy
rainfall, which may result in flash flooding.

* Heavy rainfall can lead to rapid onset of flooding, with some of
the most prone areas being slot canyons, burn scars, normally
dry washes, and low water crossings. Water can rise quickly
downstream of heavy rain, even when the actual thunderstorm is
many miles away. Rock and mud slides, as well as water flowing
across roadways, will be possible and could locally impact
travel.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.




Flash Flood Watch

Statement as of 3:08 AM MDT on July 20, 2017

Expires 2:00 AM EDT on July 21, 2017


... Flash Flood Watch in effect from noon MDT today through this
evening...

The National Weather Service in Salt Lake City has issued a

* Flash Flood Watch for portions of central Utah and southern
Utah, including the following areas, in central Utah, Castle
country, central mountains, San Rafael Swell, Sanpete/Sevier
valleys, Wasatch Plateau/Book Cliffs, and west central Utah.
In southern Utah, Glen Canyon Recreation Area/Lake Powell,
south central Utah, southern mountains, southwest Utah, and
utahs Dixie and Zion National Park.

* From noon MDT today until midnight MDT tonight

* scattered showers and thunderstorms are expected to develop
across central and southern Utah this afternoon and evening.
Many of these storms will be capable of producing very heavy
rainfall, which may result in flash flooding.

* Heavy rainfall can lead to rapid onset of flooding, with some of
the most prone areas being slot canyons, burn scars, normally
dry washes, and low water crossings. Water can rise quickly
downstream of heavy rain, even when the actual thunderstorm is
many miles away. Rock and mud slides, as well as water flowing
across roadways, will be possible and could locally impact
travel.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.




Weather Severe Map
Alabama - Heat Advisory , Special Statement
Alaska - Areal Flood Advisory , Special Statement
Arizona - Flash Flood Warning , Special Statement , Record Report
Arkansas - Heat Advisory , Excessive Heat Warning, Heat Advisory
California - Areal Flood Advisory , Excessive Heat Watch , Air Quality Alert , Beach Hazard Statement
Colorado - Flash Flood Warning , Areal Flood Advisory, Flash Flood Watch , Flash Flood Watch , Areal Flood Advisory , Special Statement , Public Information Statement
Connecticut - Heat Advisory , Air Quality Alert
Delaware - Heat Advisory , Excessive Heat Warning , Air Quality Alert
District of Columbia - Heat Advisory , Air Quality Alert
Florida - Areal Flood Advisory , Special Statement
Georgia - Severe Thunderstorm Warning , Special Statement , Air Quality Alert
Hawaii - High Surf Advisory , Special Statement , Record Report
Idaho - Severe Thunderstorm Warning , Fire Weather Warning , Special Statement
Illinois - Flood Warning , Flood Advisory, Flash Flood Watch , Flash Flood Watch , Flood Watch , Flash Flood Watch, Flood Advisory , Heat Advisory , Excessive Heat Warning , Public Information Statement , Public Information Statement
Indiana - Flood Warning , Heat Advisory , Special Statement , Special Statement, Air Quality Alert , Air Quality Alert, Special Statement , Public Information Statement
Iowa - Flash Flood Watch , Excessive Heat Warning , Heat Advisory , Record Report , Public Information Statement
Kansas - Heat Advisory , Excessive Heat Warning
Kentucky - Heat Advisory , Special Statement , Air Quality Alert, Special Statement , Public Information Statement
Louisiana - Heat Advisory
Maine - Special Statement , Beach Hazard Statement
Maryland - Heat Advisory , Air Quality Alert
Massachusetts - Heat Advisory , Special Statement
Michigan - Air Quality Alert
Minnesota - Flash Flood Watch , Heat Advisory , Public Information Statement
Mississippi - Heat Advisory
Missouri - Excessive Heat Warning , Heat Advisory , Excessive Heat Warning, Heat Advisory , Public Information Statement
Montana - Severe Thunderstorm Warning , Fire Weather Warning , Special Statement
Nebraska - Excessive Heat Warning , Heat Advisory , Record Report , Public Information Statement
Nevada - Air Quality Alert
New Hampshire - Special Statement
New Jersey - Excessive Heat Warning , Heat Advisory , Air Quality Alert
New Mexico - Flash Flood Warning , Areal Flood Advisory
New York - Severe Thunderstorm Watch , Severe Thunderstorm Warning , Flash Flood Warning , Flash Flood Watch , Areal Flood Advisory, Flash Flood Watch , Areal Flood Advisory , Heat Advisory , Air Quality Alert
North Carolina - Heat Advisory , Air Quality Alert
North Dakota - Severe Thunderstorm Warning
Ohio - Heat Advisory , Special Statement
Oklahoma - Heat Advisory , Public Information Statement
Pennsylvania - Severe Thunderstorm Watch , Severe Thunderstorm Warning , Flash Flood Warning , Excessive Heat Warning , Heat Advisory , Air Quality Alert , Special Statement
Rhode Island - Heat Advisory , Air Quality Alert
South Carolina - Severe Thunderstorm Warning , Special Statement
South Dakota - Heat Advisory
Tennessee - Heat Advisory , Special Statement , Air Quality Alert , Public Information Statement , Public Information Statement
Texas - Flood Warning , Heat Advisory , Special Statement , Public Information Statement
Utah - Flash Flood Warning , Flash Flood Watch , Special Statement , Record Report
Virginia - Heat Advisory , Air Quality Alert
West Virginia - Heat Advisory
Wisconsin - Flood Warning, Areal Flood Warning , Areal Flood Warning , Flood Warning , Areal Flood Warning , Flash Flood Watch , Flash Flood Watch , Public Information Statement
Wyoming - Severe Thunderstorm Warning , Special Statement

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