Flood Warning for Blackrock, Idaho
Flood Statement
National Weather Service Pocatello ID
1131 AM MDT Wed May 8 2024
...The Flood Warning continues for the following rivers in Idaho...
Portneuf River at Pocatello affecting Bannock County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Caution is urged when walking near riverbanks.
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Additional information is available at www.weather.gov/pocatello.
IDC005-092145-
/O.CON.KPIH.FL.W.0001.000000T0000Z-000000T0000Z/
/PIHI1.2.SM.240405T1000Z.240511T0000Z.000000T0000Z.NO/
1131 AM MDT Wed May 8 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 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 Wednesday the stage was 9.6 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:45 AM MDT Wednesday was 9.7 feet.
- Forecast...The river is expected to fall to 8.7 feet
Saturday, May 18.
- Flood stage is 8.5 feet.
- Flood History...This crest compares to a previous crest of
9.8 feet on 05/14/2017.
- http://www.weather.gov/safety/flood
Fld Observed Forecasts (12 pm MDT)
Location Stg Stg Day/Time Thu Fri Sat
Portneuf River
Pocatello 8.5 9.6 Wed 10 am MD 9.5 9.8 9.8
LAT...LON 4294 11262 4298 11250 4283 11236 4281 11223
4275 11232 4277 11241
Flood Warning for Blackrock, Idaho
Flood Statement
National Weather Service Pocatello ID
1124 AM MDT Wed May 8 2024
...The Flood Warning continues for the following rivers in Idaho...
Portneuf River at Topaz affecting Bannock County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Caution is urged when walking near riverbanks.
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Additional information is available at www.weather.gov/pocatello.
IDC005-092130-
/O.CON.KPIH.FL.W.0002.000000T0000Z-000000T0000Z/
/TOPI1.1.SM.240424T0603Z.240506T1200Z.000000T0000Z.NR/
1124 AM MDT Wed May 8 2024
...FLOOD WARNING FOR SNOWMELT REMAINS IN EFFECT UNTIL FURTHER
NOTICE...
* WHAT...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 10:15 AM MDT Wednesday the stage was 3.9 feet.
- Forecast...The river is expected to fluctuate around flood
stage of 4.0 feet until further notice.
- Flood stage is 4.0 feet.
- Flood History...This crest compares to a previous crest of
4.0 feet on 02/11/2007.
- http://www.weather.gov/safety/flood
Fld Observed Forecasts (12 pm MDT)
Location Stg Stg Day/Time Thu Fri Sat
Portneuf River
Topaz 4.0 3.9 Wed 10 am MD 3.9 4.0 4.0
LAT...LON 4275 11232 4281 11223 4265 11206 4287 11202
4287 11185 4248 11203