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Spot Forecast
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
424 FNUS75 KSLC 062151 FWSSLC Spot Forecast for Little Twist WF...USDA Forest Service National Weather Service Salt Lake City UT 351 PM MDT Sat Jul 6 2024 Forecast is based on forecast start time of 0700 MDT on July 07. If conditions become unrepresentative...contact the National Weather Service. ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT SUNDAY... .DISCUSSION...Hot, dry, and increasingly windy conditions will persist over the fire area on Sunday as a disturbance moves over the region. Winds will increase in speed out of a northwesterly direction, with peak gusts approaching 30-35 mph over the higher elevation/ higher exposure ridges, with slopes/ drainages gusting up to 25 mph. Already poor overnight recoveries alongside minimal change in moisture will lead to another day of relative humidity bottoming out in the low-teens to upper-single digits. As such, a Red Flag Warning remains in effect for the fire area through 2100. Overnight recoveries will only be marginally better than the previous night, with maximum values only reaching to around 25 percent. Winds lighten up heading into Monday, however, Monday will mark the beginning of a gradual warming trend as we head through the remainder of the week. High temperatures and dry conditions will remain in place. .SUNDAY... Sky/weather.........Mostly sunny (0-10 percent cloud cover). CWR.................0 percent. Chance of pcpn......0 percent. LAL.................1. Max temperature.....Upper Elevations: 67-72 degrees. Lower Elevations: 77-82 degrees. Min humidity........Upper Elevations: 10-15 percent. Lower Elevations: 8-13 percent. Wind (20 ft)........Slopes/ drainages: Northwest winds 10-15 mph with gusts up to 20-25 mph, especially for aligned drainages and higher exposure slopes. Ridges: Northwest around 20 mph with gusts up to 30-35 mph. Transport winds.....Northwest 20 to 30 mph. Haines Index........6. Mixing Height.......7,500-8,500ft .SUNDAY NIGHT... Sky/weather.........Mostly clear (0-10 percent cloud cover). CWR.................0 percent. Chance of pcpn......0 percent. LAL.................1. Min temperature.....55-57. Max humidity........22-27 percent. Wind (20 ft)........North winds 6-16 mph becoming northeast 5-7 mph after 3 am. Transport winds.....Northwest around 29 mph becoming north around 12 mph overnight. Haines Index........6. .MONDAY... Sky/weather.........Mostly sunny (0-10 percent cloud cover). CWR.................0 percent. Chance of pcpn......0 percent. LAL.................1. Max temperature.....Upper Elevations: 68-73 degrees. Lower Elevations: 78-83 degrees. Min humidity........Upper Elevations: 10-15 percent. Lower Elevations: 8-13 percent. Wind (20 ft)........Slopes/ drainages: Terrain driven 5-10 mph with gusts up to 15 mph out of the northwest in aligned drainages and higher exposure slopes. Ridges: North to northwest 10-15 mph with gusts to around 20 mph. Transport winds.....North 10 to 15 mph. Haines Index........6. Mixing Height.......8,000-9,000ft .FORECAST DAYS 3 THROUGH 7... Temperatures will increase through the upcoming week as a long- duration heatwave begins spreading over Utah. The most significant warming is anticipated from Monday into Tuesday, where temperatures will increase by about 3-5 degrees. From Tuesday through Friday, warming by about 1-2 degrees as compared to the previous day is anticipated. By Wednesday, temperatures will be upwards of 15 degrees above average for this time of year. While the heat persists, afternoon relative humidity will remain critically dry while seeing poor overnight recoveries of 15-25 percent. There is potential late in the week for moisture to increase overhead over the southern half of Utah, which may bring a threat of dry lightning and gusty outflow winds. At this time, chances for wetting rains remain below 15 percent. That said, the one positive here is that relative humidity will gradually increase with this potential for moisture, however, values are still expected to remain below 25 percent. .TUESDAY... Mostly clear. Lows in the upper 50s. Highs in the mid 80s at low elevations and mid-70s at upper elevations. Humidity in the low-teens to upper single digits with poor overnight recoveries. Terrain driven winds 5-10 mph with gusts up to 15 mph on exposed terrain. .WEDNESDAY... Mostly clear. Lows in the lower 60s. Highs in the upper 80s. Humidity in the low-teens to upper single digits with poor overnight recoveries. Terrain driven winds 5-10 mph with gusts up to 15 mph on exposed terrain. .THURSDAY... Mostly clear. Lows in the lower 60s. Highs in the upper 80s. Humidity in the low-to-mid-teens with poor overnight recoveries. Terrain driven winds 5-10 mph with gusts up to 15 mph on exposed terrain. .FRIDAY... Partly cloudy. Slight chance of showers. Lows in the mid 60s. Highs in the upper 80s. Humidity in the mid-teens with improving overnight recoveries. Terrain driven winds 5-10 mph with gusts up to 15 mph on exposed terrain. Gusty and erratic outflow winds possible near showers. .SATURDAY... Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Humidity in the upper-teens to low-20 percent with improving overnight recoveries. Terrain driven winds 5-10 mph with gusts up to 15 mph on exposed terrain. Gusty and erratic outflow winds possible near showers/ storms. $$ Forecaster...Webber Requested by...Cory Norman Type of request...WILDFIRE .TAG 2417530.0/SLC .DELDT 07/06/24 .FormatterVersion 2.0.0 .EMAIL samuel.norman@usda.gov