705
WGUS85 KPIH 181802
FLSPIH

Flood Statement
National Weather Service Pocatello ID
1202 PM MDT Sat May 18 2024

...The Flood Warning continues for the following rivers in Idaho...

  Portneuf River at Pocatello affecting Bannock County.

.Warm temperatures will continue to melt high mountain snowpack and
keep river flows elevated, though overall river flow will slightly
decrease in the upcoming days due to a diminishing snowpack.

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.

&&

IDC005-192015-
/O.CON.KPIH.FL.W.0001.000000T0000Z-240525T0900Z/
/PIHI1.2.SM.240405T1000Z.240515T1645Z.000000T0000Z.NO/
1202 PM MDT Sat May 18 2024

...FLOOD WARNING FOR SNOWMELT REMAINS IN EFFECT UNTIL SATURDAY, MAY
25...

* WHAT...Minor flooding is occurring and minor flooding is forecast,
  though overall snowmelt and resulting flows looks to gradually
  decrease due to a diminishing snowpack.

* WHERE...Portneuf River at Pocatello.

* WHEN...Until Saturday, May 25.

* IMPACTS...At 8.0 feet, Water will encroach onto portions of the
  bike and walking trail next to the river in Sacajawea Park in
  Pocatello.
  At 8.5 feet, Sections of Sacajawea Park will be under water and
  the trail is usually closed at this level. Marsh Creek near Inkom
  may also be over its banks.
  At 9.2 feet, Flooding of low lying agricultural land and pasture
  will occur in the Inkom and Blackrock area. Lowland flooding is
  likely along sections of the river between Portneuf Gap and the
  Cheyenne Avenue Bridge in Pocatello.
  At 9.4 feet, Water will encroach around sitting benches near the
  river at the Pacific Recycling Trailhead.

* ADDITIONAL DETAILS...
  - At 10:45 AM MDT Saturday the stage was 9.5 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 10:45 AM MDT Saturday was 9.6 feet.
  - Forecast...The river is expected to fall to 8.7 feet Tuesday,
    May 28.
  - Flood stage is 8.5 feet.
  - Flood History...This crest compares to a previous crest of
    9.5 feet on 01/02/1979.
  - http://www.weather.gov/safety/flood

&&

              Fld   Observed           Forecasts (12 pm MDT)
Location      Stg   Stg   Day/Time     Sun   Mon   Tue

Portneuf River
Pocatello     8.5   9.5   Sat 10 am MD 9.5   9.4   9.3


&&

LAT...LON 4294 11262 4298 11250 4283 11236 4281 11223
      4275 11232 4277 11241


$$

TW