Flood Warning for Dempsey, Idaho
Flood Statement
National Weather Service Pocatello ID
1214 PM MDT Tue Apr 30 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.
IDC005-012100-
/O.CON.KPIH.FL.W.0002.000000T0000Z-000000T0000Z/
/TOPI1.1.SM.240424T0603Z.240427T0200Z.000000T0000Z.NR/
1214 PM MDT Tue Apr 30 2024
...FLOOD WARNING FOR SNOWMELT REMAINS IN EFFECT UNTIL FURTHER
NOTICE...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* 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 Tuesday the stage was 4.4 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 11:15 AM MDT Tuesday was 4.4 feet.
- Forecast...The river level is expected to gradually lower
over the next couple of days but remain above flood stage
into next week.
- 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 Wed Thu Fri
Portneuf River
Topaz 4.0 4.4 Tue 11 am MD 4.2 4.2 4.1
LAT...LON 4275 11232 4281 11223 4265 11206 4287 11202
4287 11185 4248 11203
Flood Warning for Dempsey, Idaho
Flood Statement
National Weather Service Pocatello ID
1213 PM MDT Tue Apr 30 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.
IDC005-012100-
/O.CON.KPIH.FL.W.0001.000000T0000Z-000000T0000Z/
/PIHI1.2.SM.240405T1000Z.240430T0845Z.000000T0000Z.NO/
1213 PM MDT Tue Apr 30 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 Tuesday the stage was 10.2 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:45 AM MDT Tuesday was 10.3 feet.
- Forecast...The river is nearing a crest and will stay around
its current level for a few days and then slowly drop into
the weekend and next week but remain in flood stage for the
foreseeable future.
- Flood stage is 8.5 feet.
- Flood History...This crest compares to a previous crest of
10.1 feet on 02/02/1963.
- http://www.weather.gov/safety/flood
Fld Observed Forecasts (12 pm MDT)
Location Stg Stg Day/Time Wed Thu Fri
Portneuf River
Pocatello 8.5 10.2 Tue 10 am MD 10.1 9.8 9.6
LAT...LON 4294 11262 4298 11250 4283 11236 4281 11223
4275 11232 4277 11241