Weather Alerts for Marsh and Arbon Highlands

Issued by the National Weather Service

       Flood Warning              Flood Advisory      

Flood Warning  FLOOD WARNING   Flood Warning
MARSH AND ARBON HIGHLANDS

Areas Affected:
Bannock, ID
Effective: Tue, 5/21 11:31am Updated: Tue, 5/21 5:39pm Urgency: Immediate
Expires: Wed, 5/22 3:15pm Severity:  Severe  Certainty: Observed

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

Portneuf River at Pocatello affecting Bannock County.

.River flows will remain elevated for a few more days but should
continue to decrease in the upcoming days due to a diminishing
snowpack.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Portneuf River at Pocatello.

* WHEN...Until further notice.

* IMPACTS...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.

* ADDITIONAL DETAILS...
- At 10:45 AM MDT Tuesday the stage was 8.8 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:45 AM MDT Tuesday was 9.2 feet.
- Forecast...River levels should recede slowly over the
upcoming week but the river will likely remain above flood
stage into the weekend.
- Flood stage is 8.5 feet.
- Flood History...This crest compares to a previous crest of
8.7 feet on 04/30/2018.
- http://www.weather.gov/safety/flood

Information:
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.

Flood Advisory  FLOOD ADVISORY   Flood Advisory
MARSH AND ARBON HIGHLANDS

Areas Affected:
Bannock, ID
Effective: Tue, 5/21 11:32am Updated: Tue, 5/21 5:39pm Urgency: Expected
Expires: Wed, 5/22 3:00pm Severity: Minor Certainty: Observed

 
Details:
...The Flood Advisory continues for the following rivers in Idaho...

Portneuf River at Topaz affecting Bannock County.

.River flows will remain elevated for a few more days but should
continue to decrease in the upcoming days due to a diminishing
snowpack.

* WHAT...Flooding caused by snowmelt continues.

* 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 3.9 feet.
- Forecast...The river continue to hovers near flood stage and
will continue to do so for the next few days.
- Action stage is 3.5 feet.
- Flood stage is 4.0 feet.
- http://www.weather.gov/safety/flood

Information:
If you are in the advisory area, remain alert to possible flooding
or the possibility of the advisory being upgraded to a warning.

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov/pocatello.

CoCoRaHS (Community Collaborative Rain, Hail and Snow Network) Station Number: ID-GM-5 Live Lightning Map - USA Boise Skywarn Spotter ID: DO21 AlertID Southwestern Weather Network
Northwestern Weather Network


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