Flood Warning for Topaz, Idaho
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
Flood Warning for Topaz, Idaho
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