Suppression Forecast
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
013 FNUS75 KPIH 211342 FWSPIH Spot Forecast for Petit Lake Pile Burn...USFS National Weather Service Pocatello ID 642 AM MST Thu Nov 21 2024 Forecast is based on ignition time of 0700 MST on November 21. If conditions become unrepresentative, contact the National Weather Service. Please contact our office at (208) 232-9357, if you have questions or concerns with this forecast. ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM FRIDAY... .DISCUSSION... Moderate snow this morning will likely mix with or even change to rain this afternoon over the burn area, with temperatures near freezing potentially supporting a mix tonight as well. It`s going to continue to be a dreary, cloudy, moist, wet/snowy day with an additional 3 to 6 inches of accumulation forecast, especially prior to rain interfering. Some of our high-resolution models are hinting at an organized break in the precipitation early Friday morning (daybreak or before) into potentially midday Friday, but they do not agree on exact timing. Rain and snow showers appear likely to return Friday afternoon or evening. Deep-layer south winds will continue as well throughout the next 48 hours. .REST OF TODAY... Sky/weather.........Cloudy. Periods of snow through the day, possibly mixing with rain after about 1 PM. An additional 3 to 6 inches of snow over the burn area by late evening. Visibility may briefly fall as low as 1/2 mile. CWR.................100 percent. Max temperature.....37 to 40 degrees. Min humidity........74 to 79 percent. Wind (20 ft)........South-southeast winds 7 to 11 MPH with gusts to around 20 MPH. Mixing height.......2200 ft AGL. Transport winds.....South around 22 MPH. Haines Index........2. Rainfall amount.....0.77 inches total liquid equivalent. Snow level..........Local valley floor this morning rising to 6600-7200 ft this afternoon. .TONIGHT... Sky/weather.........Cloudy. A mix of rain and snow showers. CWR.................80 percent. Min temperature.....28 to 32 degrees. Max humidity........94 to 99 percent. Wind (20 ft)........South-southeast winds 6 to 9 MPH with gusts to around 18 MPH. Mixing height.......1300 ft AGL. Transport winds.....South around 16 MPH. Haines Index........2. Rainfall amount.....0.72 inches total liquid equivalent. Snow level..........7500-7800 ft. .FRIDAY... Sky/weather.........Mostly cloudy. Scattered rain showers and snow showers. An inch or less of new snow. CWR.................55 percent. Max temperature.....41 to 45 degrees. Min humidity........53 to 58 percent. Wind (20 ft)........South winds 6 to 9 MPH with gusts to around 17 MPH. Mixing height.......2300 ft AGL. Transport winds.....South around 17 MPH. Haines Index........2. Rainfall amount.....0.24 inches total liquid equivalent. Snow level..........7400-7500 ft. $$ Forecaster...KSmith Requested by...Greg Brooks Type of request...PRESCRIBED .TAG 2426686.2/PIH .DELDT 11/21/24 .FormatterVersion 2.0.0 .EMAIL gregory.brooks@usda.gov