357
FNUS75 KTWC 081254
FWSTWC

Spot Forecast for SCRD piles rx...USFS USDA
National Weather Service Tucson AZ
554 AM MST Fri Nov 8 2024

Forecast is based on ignition time of 0600 MST on November 08.

.DISCUSSION...Below normal temperatures continue through tomorrow
before warming to a few degrees above normal Sunday into early
next week. Minimum relative humidities today will be around
30 to 35 percent before drying out tomorrow to 20-25 percent.
Expect winds to be north to northeast winds 5 to 10 mph with
occasional gusts of 15 to 20 mph.

.TODAY...

Sky/weather.........Sunny.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....42-45 degrees.
Min humidity........32-35 percent.
20-foot winds.......Northeast winds 5 to 10 mph.
Mixing height.......1900 ft AGL increasing to 3800 ft AGL late in
                    the morning, then decreasing to 1600 ft AGL
                    late in the afternoon.
Transport winds.....North 10 to 15 knots becoming northeast 5 to 9
                    knots.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........6   5   3   3   3   4   4   5   5   6   5   7
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............30  30  33  36  38  40  42  43  43  42  41  38
RH..............45  46  42  39  37  34  35  33  33  35  37  42
20 FT wind dir..NE  NE  N   N   N   N   NE  N   N   NE  NE  NE
20 FT wind spd..11  11  10  11  10  8   6   5   4   2   3   3
20 FT wind gust.16  16  14  16  14  12  10  6   6       4   4
Mix hgt (kft)...0.1 0.2 0.2 1.1 1.9 2.7 3.1 3.4 3.8 2.7 1.6 0.5
Transp wind dir.NE  N   N   N   N   N   N   NW  NW  N   NE  NE
Transp wind spd.12  12  11  13  15  18  15  13  11  8   6   3
Haines index....3   3   3   3   3   3   3   4   4   4   4   4

.TONIGHT...

Sky/weather.........Clear.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....32-35 degrees.
Max humidity........48-51 percent.
20-foot winds.......Northeast winds 5 to 8 mph becoming southeast
after midnight.
Mixing height.......100 ft AGL.
Transport winds.....Northeast 2 to 5 knots shifting to the
                    southeast after midnight.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........5   2   5   4   7   7   7   8   4   2   3   6
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............35  34  34  34  33  33  34  34  34  34  34  34
RH..............49  48  43  45  44  38  41  40  35  37  37  35
20 FT wind dir..NE  NE  NE  N   N   E   SE  SE  SE  SE  SE  S
20 FT wind spd..3   3   2   2   2   2   3   4   4   3   4   1
20 FT wind gust.4   4                   4   6   6   4   6
Mix hgt (kft)...0.3 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.NE  NE  NE  NE  NE  E   E   E   SE  SE  S   S
Transp wind spd.3   3   2   2   2   2   3   4   4   3   4   1
Haines index....4   3   3   3   3   3   3   4   4   4   4   4

.SATURDAY...

Sky/weather.........Sunny.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....50-53 degrees.
Min humidity........22-25 percent.
20-foot winds.......North winds 5 to 8 mph.
Mixing height.......1500 ft AGL increasing to 3200 ft AGL late in
                    the morning, then decreasing to 1200 ft AGL
                    late in the afternoon.
Transport winds.....Northwest 4 to 8 knots.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........9   9   5   6   6   4   4   5   7   10  13  14
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............36  35  38  43  45  48  50  51  51  50  48  46
RH..............33  35  32  28  26  24  23  23  25  27  30  33
20 FT wind dir..N   NW  N   N   S   S   SW  S   S   SE  E   SE
20 FT wind spd..2   4   4   2   1   1   2   3   3   2   2   2
20 FT wind gust.    6   6                   4   4
Mix hgt (kft)...0.1 0.1 0.1 0.8 1.5 2.2 2.5 2.9 3.2 2.2 1.2 0.1
Transp wind dir.SW  NW  N   NW  NW  NW  NW  NW  NW  N   E   SE
Transp wind spd.2   4   4   4   5   5   5   5   5   4   3   2
Haines index....4   4   4   4   4   4   4   4   4   4   4   4

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Mostly clear. Lows in the upper 30s. Highs in the mid 50s.
Southeast winds around 5 mph.
.VETERANS DAY...
Partly cloudy. Lows in the lower 40s. Highs in the upper 50s.
Light winds.
.TUESDAY...
Mostly clear. Lows around 40. Highs in the mid 50s. South winds
around 6 mph.

$$
Forecaster...Van Stratten
Requested by...Allen Tennant
Type of request...PRESCRIBED
.TAG 2426069.0/TWC
.DELDT 11/08/24
.FormatterVersion 2.0.0
.EMAIL Allen.tennant@usda.gov

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