12:15 PM
— July 21st, 3:15 AM
* WHAT...Flash flooding caused by excessive rainfall is 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. This includes
recent burn scars such as Cottonwood, Silver King, Forsyth, France
Canyon, Monroe Canyon.
* WHEN...From Tuesday afternoon through late Tuesday night.
* 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
9:56 AM
— July 21st, 12:00 PM
Monsoonal moisture will stream northward into most of Northern and
Central Nevada Tuesday, with historically high atmospheric moisture
content. The strongest showers and thunderstorms Tuesday will
produce intense rainfall rates, resulting in the potential of flash
flooding.
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Most of Northern and Central Nevada.
* WHEN...From 11 AM PDT Tuesday morning until 9 PM PDT Tuesday
evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- The strongest showers and thunderstorms Tuesday will produce
rainfall rates of around one inch per hour, resulting in the
potential of flash flooding.
- http://www.weather.gov/safety/flood
8:09 PM
— 8:45 PM
At 708 PM PDT, Doppler radar was tracking a strong thunderstorm 16
miles east of Lund, moving northwest at 10 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
This storm will remain over mainly rural areas of south central White
Pine County.
12:16 PM
— July 21st, 12:00 AM
* WHAT...Hazardous temperatures in excess of 100 degrees are
forecast to develop this afternoon across valley locations in
northwest Utah, particularly along the northern Wasatch Front and
the Great Salt Lake Desert.
* WHERE...Eastern Box Elder County, Great Salt Lake Desert and
Mountains, Northern Wasatch Front, Salt Lake Valley, and Tooele
and Rush Valleys.
* WHEN...Until midnight MDT tonight.
* IMPACTS...Hot temperatures may cause heat illnesses.
8:52 AM
— 9:00 PM
* WHAT...High temperatures 97 to 102 degrees in the valleys expected.
* WHERE...Northern Lander and Northern Eureka, Northern Elko,
Southeastern Elko, Southwest Elko, and Humboldt Counties.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses.
7:46 PM
— 10:45 PM
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Portions of north central and northeast Nevada, including
the following counties, in north central Nevada, Eureka. In
northeast Nevada, White Pine.
* WHEN...Until 945 PM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 644 PM PDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.3 and 1.2 inches of
rain have fallen.
- Additional rainfall amounts up to 0.3 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Eureka and Pinto Summit.
- The stretch of Highway 50 between the city of Eureka and
Pinto Summit may also be impacted.
- http://www.weather.gov/safety/flood
6:17 PM
— 9:15 PM
* WHAT...Urban and small stream flooding caused by excessive
rainfall is expected.
* WHERE...A portion of northeast Nevada, including the following
county, Elko.
* WHEN...Until 815 PM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 512 PM PDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause urban and small stream
flooding. Between 0.5 and 1.5 inches of rain have fallen.
- Additional rainfall amounts up to 0.3 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Ponding of water on roadways is possible in the city of
Wells, however the heaviest rain fell in the hills just to
the north of Wells.
- Heavy rain may impact portions of Interstate 80 near the city
of Wells and also along a 1 to 2 mile stretch of Interstate
80 approximately 5 miles east of Wells.
- http://www.weather.gov/safety/flood
5:51 PM
— 9:00 PM
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...A portion of northeast Nevada, including the following
county, Elko.
* WHEN...Until 800 PM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 449 PM PDT, Doppler radar indicated heavy rain due to
thunderstorms. Overflowing poor drainage areas will cause
minor flooding in the advisory area. Between 0.7 and 1.3
inches of rain have fallen.
- Some locations that will experience flooding include...
mainly rural areas of Northern Elko County, approximately 5
to 15 miles northwest of Deeth.
- http://www.weather.gov/safety/flood