Weather Alerts for Caribou Range

Issued by the National Weather Service

       River Flood Warning      

River Flood Warning  RIVER FLOOD WARNING   River Flood Warning
CARIBOU RANGE

Areas Affected:
Bear Lake
Effective: Sun, 6/4 11:49am Updated: Mon, 6/5 7:26am Urgency: Expected
Expires: Mon, 6/5 3:00pm Severity:  Moderate  Certainty: Likely

 
Details:
...The Flood Warning continues for the following rivers in Idaho...
Bear River at Border affecting Bear Lake County.
.Warm temperatures combined with rainfall will melt high mountain
snowpack and keeping high river flows.
Additional information is available at www.weather.gov/pocatello.
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Bear River at Border.
* WHEN...Until further notice.
* IMPACTS...At 7.5 feet, Water will begin to encroach on Pegram Road
just north of Pegram. Lowland flooding of fields and pasture land
will occur. Driveways to low lying homes next to the river near
Dingle may have water across them. Some basements of low lying
homes next to the river will start to have water come in them.
* ADDITIONAL DETAILS...
- At 11:30 AM MDT Sunday the stage was 8.6 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 11:30 AM MDT Sunday was 8.6 feet.
- Forecast...The river is expected to remain steady at current
levels the next couple of days before slowly dropping later
in the week.
- Flood stage is 7.5 feet.
- Flood History...This crest compares to a previous crest of
8.6 feet on 03/27/1956.
- http://www.weather.gov/safety/flood
&&
Fld   Observed           Forecasts (12 pm MDT)
Location  Stg   Stg   Day/Time     Mon   Tue   Wed
Bear River
Border    7.5   8.6   Sun 11 am MD 8.4   8.3   8.2
&&

Information:
Caution is urged when walking near riverbanks.
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Flash Flood Watch  FLASH FLOOD WATCH   Flash Flood Watch
CARIBOU RANGE

Areas Affected:
Blackfoot Mountains - Marsh and Arbon Highlands
Effective: Sat, 6/3 2:09pm Updated: Mon, 6/5 7:26am Urgency: Expected
Expires: Mon, 6/5 3:00pm Severity:  Severe  Certainty: Possible

 
Details:
...FLASH FLOOD WATCH FOR THE POTENTIAL FAILURE OF PORTNEUF DAM
SPILLWAY ON CHESTERFIELD RESERVOIR ON THE PORTNEUF RIVER REMAINS IN
EFFECT THROUGH MONDAY AFTERNOON...
* WHAT...Flash Flooding caused by a potential spillway failure is
possible at the Portneuf Dam on Chesterfield Reservoir.
* WHERE...A portion of southeast Idaho, including along the Portneuf
River downstream of Chesterfield Reservoir thorugh Pebble and
along Old Highway 30 south to Lava Hot Springs and downstream to
McCammon.
* WHEN...Through Monday afternoon.
* IMPACTS...Failure of the spillway may result in flash flooding of
low-lying areas below the dam, including areas that are already
experiencing flooding along the Portneuf River.
* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood

Information:
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued. PLAN NOW so you will know
what to do in an emergency.
Officials remain on site closely monitoring the situation. Please
follow Caribou County Sheriffs Office on social media and consider
signing up for Caribou County Alert Sense for the latest information.

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

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