


Suppression Forecast
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
105 FNUS75 KTWC 101859 FWSTWC Spot Forecast for Catalina Piles RX...USDA / USFS National Weather Service Tucson AZ 1159 AM MST Mon Mar 10 2025 Forecast is based on ignition time of 0700 MST on March 11. .DISCUSSION...A weather system will move through Tuesday evening into Wednesday morning. Winds will be strong 15-25 mph with gusts to 35 mph Tuesday afternoon and evening. Winds decrease some overnight but remain elevated. Snow showers will likely start between 8 PM - 10 PM and continue through the overnight hours. Snow showers will dissipate early Wednesday morning. Snow will be wet and heavy with amounts totaling 1"-3". Wednesday will be dry with winds 5-10 mph and occasional afternoon gusts. Another system will move in Thursday bringing strong winds and more snow. .TUESDAY... Sky/weather.........Sunny then becoming mostly cloudy. Chance of snow showers late in the afternoon. Chance of pcpn......0 percent increasing to 30 percent late in the afternoon. Max temperature.....59-62 degrees. Min humidity........14-17 percent. 20-foot winds.......Southwest winds 15 to 25 mph with gusts up to 35 mph starting late morning. Mixing height.......8900 ft AGL. Transport winds.....Southwest 11 to 19 knots increasing to 22 to 30 knots late in the morning. TIME (MST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........11 3 1 1 6 11 17 24 33 42 74 Weather cov..... CHC Weather type.... SW Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 30 Temp............38 42 46 50 54 57 59 59 57 55 51 RH..............28 25 22 19 17 15 15 15 15 16 18 20 FT wind dir..SW SW SW SW S S SW SW SW SW SW 20 FT wind spd..10 12 14 15 16 19 21 23 23 22 21 20 FT wind gust.18 20 22 24 26 28 31 33 32 30 31 Mix hgt (kft)...0.3 0.5 2.4 4.4 6.3 7.2 8.0 8.9 8.9 8.9 8.9 Transp wind dir.SW SW SW SW SW SW SW SW SW SW SW Transp wind spd.11 12 16 19 22 25 27 30 30 29 29 .TUESDAY NIGHT... Sky/weather.........Mostly cloudy. Snow showers likely in the evening and continuing overnight. Chance of pcpn......40 percent increasing to 90 percent late in the evening, then decreasing to 40 percent early in the morning. Min temperature.....32-35 degrees. Max humidity........75-78 percent. 20-foot winds.......Southwest winds 15 to 20 mph with gusts to 30 mph. Mixing height.......6000 ft AGL decreasing to 200 ft AGL. Transport winds.....Southwest 16 to 25 knots. TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........74 74 74 74 74 96 96 96 96 96 96 80 Weather cov.....CHC LKY LKY DEF DEF DEF DEF DEF LKY LKY LKY CHC Weather type....SW SW SW SW SW SW SW SW SW SW SW SW Tstm cov........ CWR.............40 60 70 80 90 90 90 80 70 70 60 40 Temp............48 45 42 41 40 39 38 37 37 37 38 35 RH..............20 23 27 32 38 45 54 62 68 69 66 76 20 FT wind dir..SW SW SW SW SW SW SW SW SW SW SW SW 20 FT wind spd..19 17 17 18 17 17 17 18 19 17 16 14 20 FT wind gust.30 30 26 28 25 24 26 25 25 20 18 18 Mix hgt (kft)...6.0 3.1 0.2 0.3 0.4 0.5 0.7 1.0 1.3 1.3 1.2 1.8 Transp wind dir.SW SW SW SW SW SW SW SW SW SW SW SW Transp wind spd.25 21 17 16 17 17 16 17 18 18 15 12 .WEDNESDAY... Sky/weather.........Mostly cloudy then becoming sunny. Chance of snow showers early in the morning. Chance of pcpn......40 percent decreasing to 0 percent late in the morning. Max temperature.....53-56 degrees. Min humidity........46-49 percent. 20-foot winds.......Southwest winds 6 to 11 mph. Gusts up to 20 mph in the afternoon. Mixing height.......3100 ft AGL increasing to 5100 ft AGL late in the morning. Transport winds.....Southwest 8 to 13 knots. TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........74 68 62 62 62 35 28 21 14 15 15 16 Weather cov.....CHC CHC CHC CHC Weather type....SW SW SW SW Tstm cov........ CWR.............40 30 30 20 0 0 0 0 0 0 0 0 Temp............35 36 37 39 42 44 47 50 51 50 48 46 RH..............75 74 71 68 64 60 55 51 48 47 48 50 20 FT wind dir..SW SW SW SW SW S SW SW SW SW SW W 20 FT wind spd..10 9 8 7 6 6 8 9 10 10 10 9 20 FT wind gust.17 16 14 14 14 14 17 18 18 18 17 14 Mix hgt (kft)...1.7 1.6 1.8 2.4 3.1 3.7 4.1 4.3 4.5 4.9 5.1 4.8 Transp wind dir.SW SW SW SW SW SW SW SW SW SW SW SW Transp wind spd.10 10 9 9 8 8 8 9 10 11 12 13 .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy. Chance of pcpn......0 percent. Min temperature.....36-39 degrees. Max humidity........61-64 percent. 20-foot winds.......Southwest winds 6 to 11 mph. Mixing height.......1600 ft AGL decreasing to 100 ft AGL early in the evening. Transport winds.....West 8 to 12 knots shifting to the south 6 to 8 knots in the late evening and overnight. TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........20 24 28 32 35 39 38 37 36 34 33 31 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Temp............44 42 41 40 40 40 40 40 40 39 39 39 RH..............53 57 60 61 62 62 62 61 60 58 55 52 20 FT wind dir..SW SW SW SW SW SW SW SW SW SW SW SW 20 FT wind spd..10 10 10 8 7 6 6 7 7 8 9 12 20 FT wind gust.14 13 12 11 11 11 11 12 12 12 12 18 Mix hgt (kft)...3.4 1.6 0.2 0.1 0.1 0.2 0.2 0.2 0.2 0.1 0.1 0.2 Transp wind dir.W W W SW S S S S S S SW SW Transp wind spd.12 11 9 8 7 6 7 7 8 8 8 8 $$ Forecaster...HARDIN Requested by...Megan Smedley Type of request...PRESCRIBED .TAG 2505642.0/TWC .DELDT 03/10/25 .FormatterVersion 2.0.0 .EMAIL ashleigh.dantonio@usda.gov Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson