Weather Alerts for Lower Snake River Plain

Issued by the National Weather Service

Flood Warning  FLOOD WARNING   Flood Warning
LOWER SNAKE RIVER PLAIN

Areas Affected:
Bingham, ID
Effective: Wed, 5/8 11:21am Updated: Thu, 5/9 7:55am Urgency: Immediate
Expires: Thu, 5/9 3:30pm Severity:  Severe  Certainty: Observed

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

Blackfoot River near Blackfoot (Butte Rd-Ft Hall) affecting
Bingham County.

.Snow melt and increased reservoir releases will cause the river
flows to become high. Expect minor flooding downstream from the dam.

* WHAT...Minor flooding is occurring. This approaches the flood of
record.

* WHERE...Blackfoot River near Blackfoot (Butte Rd-Ft Hall).

* WHEN...Until further notice.

* IMPACTS...At 5.8 feet, Lowland flooding possible from Interstate
15 to confluence of the Snake River. Homes and cattle operation
near Riverton Road (900 W) bridge just north of Ferry Butte Road
(500 S) will start to have water seeping near them. Other
locations will have water approaching roadways between 550 W and
Blackhawk Road.

* ADDITIONAL DETAILS...
- At 10:30 AM MDT Wednesday the stage was 6.3 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:30 AM MDT Wednesday was 6.4 feet.
- Forecast...No forecast is available for this location.
- Flood stage is 5.8 feet.
- Flood History...This crest compares to a previous crest of
6.2 feet on 04/18/2017.
- http://www.weather.gov/safety/flood

Information:
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.

Flood Warning  FLOOD WARNING   Flood Warning
LOWER SNAKE RIVER PLAIN

Areas Affected:
Bingham, ID
Effective: Wed, 5/8 11:16am Updated: Thu, 5/9 7:55am Urgency: Immediate
Expires: Thu, 5/9 3:30pm Severity:  Severe  Certainty: Observed

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

Blackfoot River near Shelley (Wolverine Canyon) affecting Bingham
County.

.Snow melt and increased reservoir releases will cause the river
flows to become high. Expect minor flooding downstream from the dam.

* WHAT...Minor flooding is occurring. This approaches the flood of
record.

* WHERE...Blackfoot River near Shelley (Wolverine Canyon).

* WHEN...Until further notice.

* IMPACTS...At 8.5 feet, From the mouth of Wolverine Canyon upstream
to the Blackfoot Dam, water flooding may be possible. Unimproved
campgrounds may have water seeping or ponding in them along with
strong flows at river's edge. Flat areas along the river and
croplands may have water ponding.

* ADDITIONAL DETAILS...
- At 10:30 AM MDT Wednesday the stage was 8.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:30 AM MDT Wednesday was 8.5 feet.
- Forecast...No forecast is available for this location.
- Flood stage is 8.5 feet.
- Flood History...This crest compares to a previous crest of
8.6 feet on 05/15/1984.
- http://www.weather.gov/safety/flood

Information:
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.

Flood Warning  FLOOD WARNING   Flood Warning
LOWER SNAKE RIVER PLAIN

Areas Affected:
Bannock, ID
Effective: Wed, 5/8 11:31am Updated: Thu, 5/9 7:55am Urgency: Immediate
Expires: Thu, 5/9 3:45pm Severity:  Severe  Certainty: Observed

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

Portneuf River at Pocatello affecting Bannock County.

* 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

Information:
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.

Flood Warning  FLOOD WARNING   Flood Warning
LOWER SNAKE RIVER PLAIN

Areas Affected:
Bannock, ID
Effective: Wed, 5/8 11:24am Updated: Thu, 5/9 7:55am Urgency: Immediate
Expires: Thu, 5/9 3:30pm Severity:  Severe  Certainty: Observed

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

Portneuf River at Topaz affecting Bannock County.

* 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

Information:
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.

Frost Advisory  FROST ADVISORY   Frost Advisory
LOWER SNAKE RIVER PLAIN

Areas Affected:
Shoshone/Lava Beds - Upper Snake River Plain - Eastern Magic Valley
Effective: Thu, 5/9 4:08am Updated: Thu, 5/9 7:55am Urgency: Expected
Expires: Thu, 5/9 9:00am Severity: Minor Certainty: Likely

 
Details:
* WHAT...Temperatures as low as 35 will result in frost formation.

* WHERE...Eastern Magic Valley, Shoshone/Lava Beds, and Upper Snake
River Plain.

* WHEN...Until 9 AM MDT this morning.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.

Information:
Take steps now to protect tender plants from the cold.

Wind Advisory  WIND ADVISORY   Wind Advisory
LOWER SNAKE RIVER PLAIN

Areas Affected:
Arco/Mud Lake Desert
Effective: Thu, 5/9 4:08am Updated: Thu, 5/9 7:55am Urgency: Expected
Expires: Thu, 5/9 9:00am Severity:  Moderate  Certainty: Likely

 
Details:
* WHAT...Northeast winds 20 to 30 mph with gusts up to 40 mph
expected.

* WHERE...Arco/Mud Lake Desert.

* WHEN...From 10 AM this morning to 7 PM MDT this evening.

* IMPACTS...Gusty winds could make driving difficult, especially for
high profile vehicles. Unsecured objects may be blown around.

Information:
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

Secure outdoor objects.

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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