Flood Statement
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
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