Flood Warning
Flood Statement
National Weather Service Pocatello ID
1137 AM MDT Thu May 2 2024
...The Flood Warning continues for the following rivers in Idaho...
Portneuf River at Topaz affecting Bannock County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Caution is urged when walking near riverbanks.
Additional information is available at www.weather.gov/pocatello.
&&
IDC005-031900-
/O.CON.KPIH.FL.W.0002.000000T0000Z-000000T0000Z/
/TOPI1.1.SM.240424T0603Z.240507T0600Z.000000T0000Z.NR/
1137 AM MDT Thu May 2 2024
...FLOOD WARNING FOR SNOWMELT REMAINS IN EFFECT UNTIL FURTHER
NOTICE...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
This approaches the flood of record.
* WHERE...Portneuf River at Topaz.
* WHEN...Until further notice.
* IMPACTS...At 4.0 feet, Lowland and crop field flooding possible
from Pebble Creek to Inkom.
* ADDITIONAL DETAILS...
- At 11:15 AM MDT Thursday the stage was 4.1 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 11:15 AM MDT Thursday was 4.3 feet.
- Forecast...The river will rise to 4.2 feet this afternoon. It
will then fall early Saturday morning. It will rise to 4.6
feet early Tuesday morning. It will then fall again but
remain above flood stage.
- Flood stage is 4.0 feet.
- Flood History...This crest compares to a previous crest of
4.5 feet on 02/22/2017.
- http://www.weather.gov/safety/flood
&&
Fld Observed Forecasts (12 pm MDT)
Location Stg Stg Day/Time Fri Sat Sun
Portneuf River
Topaz 4.0 4.1 Thu 11 am MD 4.1 4.2 4.3
&&
LAT...LON 4275 11232 4281 11223 4265 11206 4287 11202
4287 11185 4248 11203
$$
GK
Flood Statement
National Weather Service Pocatello ID
1135 AM MDT Thu May 2 2024
...The Flood Warning continues for the following rivers in Idaho...
Portneuf River at Pocatello affecting Bannock County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Caution is urged when walking near riverbanks.
Additional information is available at www.weather.gov/pocatello.
&&
IDC005-031900-
/O.CON.KPIH.FL.W.0001.000000T0000Z-000000T0000Z/
/PIHI1.2.SM.240405T1000Z.240508T0600Z.000000T0000Z.NO/
1135 AM MDT Thu May 2 2024
...FLOOD WARNING FOR SNOWMELT REMAINS IN EFFECT UNTIL FURTHER
NOTICE...
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Portneuf River at Pocatello.
* WHEN...Until further notice.
* IMPACTS...At 10.0 feet, Significant flooding of agricultural land
will occur from the Inkom and Blackrock area. Lowland flooding
will occur along sections of the river in Pocatello from Portneuf
Gap to the Cheyenne Avenue Bridge and downstream of the concrete
channel beginning at Sacajawea Park.
* ADDITIONAL DETAILS...
- At 10:45 AM MDT Thursday the stage was 10.2 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:45 AM MDT Thursday was 10.3 feet.
- Forecast...The river is expected to rise to a crest of 10.5
feet early Wednesday morning.
- Flood stage is 8.5 feet.
- Flood History...This crest compares to a previous crest of
10.5 feet on 01/11/1982.
- http://www.weather.gov/safety/flood
&&
Fld Observed Forecasts (12 pm MDT)
Location Stg Stg Day/Time Fri Sat Sun
Portneuf River
Pocatello 8.5 10.2 Thu 10 am MD 9.8 9.6 9.7
&&
LAT...LON 4294 11262 4298 11250 4283 11236 4281 11223
4275 11232 4277 11241
$$
GK
Flood Advisory
Flood Advisory
National Weather Service Elko NV
306 AM PDT Thu May 2 2024
...The Flood Advisory continues for the following rivers in Nevada...
Owyhee River near Mountain City affecting Elko County.
For the Owyhee River...including Wildhorse Dam, Wildhorse, Mountain
City...elevated river levels are forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Caution is urged when walking near riverbanks.
Additional information is available at www.weather.gov.
The next statement will be issued this afternoon at 500 PM PDT.
&&
NVC007-030000-
/O.CON.KLKN.FL.Y.0018.000000T0000Z-000000T0000Z/
/OMCN2.N.SM.000000T0000Z.000000T0000Z.000000T0000Z.UU/
306 AM PDT Thu May 2 2024
...FLOOD ADVISORY FOR SNOWMELT REMAINS IN EFFECT UNTIL FURTHER
NOTICE...
* WHAT...Flooding caused by snowmelt continues.
* WHERE...Owyhee River near Mountain City.
* WHEN...Until further notice.
* IMPACTS...At 8.0 feet, Minor flooding along the river channel.
* ADDITIONAL DETAILS...
- At 2:40 AM PDT Thursday the stage was 7.2 feet.
- Bankfull stage is 7.0 feet.
- Forecast...The river will oscillate below flood stage with a
maximum value of 7.8 feet early Sunday morning.
- Action stage is 7.0 feet.
- Flood stage is 8.0 feet.
- http://www.weather.gov/safety/flood
&&
Fld Observed Forecasts (5 am PDT)
Location Stg Stg Day/Time Fri Sat Sun
Owyhee River
Mountain Cit 8.0 7.2 Thu 2 am PDT 7.3 7.2 7.8
&&
LAT...LON 4175 11594 4177 11592 4186 11597 4187 11601
4200 11613 4200 11622 4193 11615 4192 11613
4189 11610 4187 11606 4182 11601 4179 11596
$$
93
Flood Advisory
National Weather Service Elko NV
304 AM PDT Thu May 2 2024
...The Flood Advisory continues for the following rivers in Nevada...
Wildhorse Reservoir at Wildhorse Dam affecting Elko County.
For the Owyhee River...including Wildhorse Dam, Wildhorse, Mountain
City...elevated river levels are forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Caution is urged when walking near banks.
Additional information is available at www.weather.gov.
The next statement will be issued this afternoon at 500 PM PDT.
&&
NVC007-030000-
/O.CON.KLKN.FL.Y.0008.000000T0000Z-000000T0000Z/
/WDHN2.N.SM.000000T0000Z.000000T0000Z.000000T0000Z.UU/
304 AM PDT Thu May 2 2024
...FLOOD ADVISORY FOR SNOWMELT REMAINS IN EFFECT UNTIL FURTHER
NOTICE...
* WHAT...An elevated reservoir level caused by seasonal snowmelt
continues.
* WHERE...Wildhorse Reservoir at Wildhorse Dam.
* WHEN...Until further notice.
* ADDITIONAL DETAILS...
- At 2:15 AM PDT Thursday the stage was 6206.2 feet.
- N/A
- Forecast...The water level is expected to gradually decline
through the week and remain below minor flood stage.
- Action stage is 6205.0 feet.
- Flood stage is 6208.0 feet.
- http://www.weather.gov/safety/flood
&&
Fld Observed Forecasts (5 am PDT)
Location Stg Stg Day/Time Fri Sat Sun
Wildhorse Reservoir
Wildhorse Dam 6208. 6206. Thu 2 am PDT 6206. 6206. 6206.
&&
LAT...LON 4170 11584 4169 11583 4168 11585 4169 11586
4170 11586
$$
93
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Riverton WY
347 AM MDT Thu May 2 2024
WYZ001>020-022>030-031300-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
347 AM MDT Thu May 2 2024
...Red Flag Warning for Natrona County this afternoon...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and tonight.
Critical fire weather for Natrona County this afternoon. Other
locations East of the Divide will see local elevated fire weather.
Rain and snow showers will spread across the area tonight.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday...Rain and snow showers across much of the area.
Sunday...Strong to high wind likely for many areas East of the
Divide.
Monday through Wednesday...Cool and unsettled with rain and snow
showers along with strong wind. Confidence in placement of the
heaviest rain and snow remains highly uncertain.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
