Suppression Forecast
Issued by NWS San Angelo, TX

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FNUS74 KSJT 190450
FWSSJT

Spot Forecast for B P Burn...nrcs
National Weather Service San Angelo TX
1050 PM CST Sun Feb 18 2018

Forecast is based on ignition time of 2300 CST on February 18.
Please contact our office at 325-944-3030 if you have questions
or concerns with this forecast.

.DISCUSSION...

Fire weather concerns will be minimal over the next few
days. The relative humidity values will recover to near 100
percent by 3 AM and fall to around 40 percent by late Monday
afternoon. The winds will be from the south at 10 to 15 mph
with gusts to 20 mph Monday.

.TONIGHT...

Sky/weather.........Cloudy (85-95 percent). Chance of showers and
                    thunderstorms.
Min temperature.....Around 61.
Max humidity........97 percent.
Wind (20 ft)........South winds 8 to 12 mph. Gusty and erratic
                    winds expected near thunderstorms.
Mixing height.......900-2200 ft AGL.
Mixing winds........South 18 to 26 mph decreasing to 16 to 20 mph
                    after midnight.
Smoke dispersal.....Fair to good (13100-46500 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (CST)      11 PM  1 AM   3 AM   5 AM
Sky (%).........88     88     87     91
Weather cov.....CHANCE CHANCE CHANCE CHANCE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........CHANCE CHANCE CHANCE CHANCE
Temp............63     63     61     61
RH..............87     87     97     93
20 ft wind......S 8    S 8    S 8    S 8
20 ft wind gust.10     10     10     10
Mix hgt (ft)....1200   1100   1300   1100
Mixing wind......S 18   S 16   S 20   S 17
Haines index....3      3      3      3
SDspl kt-ft/100020     15     22     17

.WASHINGTONS BIRTHDAY...

Sky/weather.........Mostly cloudy (70-80 percent).
Max temperature.....Around 79.
Min humidity........41 percent.
Wind (20 ft)........South winds 8 to 12 mph.
Mixing height.......1100-2500 ft AGL increasing to 3700-5400 ft
                    AGL.
Mixing winds........South 15 to 23 mph.
Smoke dispersal.....Fair to excellent (14600-61300 knot-ft)
                    increasing to excellent
                    (70800-96400 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (CST)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........92     88     82     72     64     64
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............61     62     65     71     77     79
RH..............93     93     81     63     47     42
20 ft wind......S 8    S 9    S 10   SW 12  S 12   S 10
20 ft wind gust.10     15     15     20     20     15
Mix hgt (ft)....1100   1200   1900   3100   4600   4500
Mixing wind......S 16   S 15   S 18   SW 23  SW 22  SW 21
Haines index....3      3      3      3      3      3
SDspl kt-ft/100015     15     30     61     87     82

.MONDAY NIGHT...

Sky/weather.........Mostly cloudy (80-90 percent). Chance of
                    showers and thunderstorms.
Min temperature.....Around 60.
Max humidity........87 percent.
Wind (20 ft)........South winds 9 to 14 mph. Gusts up to 25 mph
                    early in the evening. Gusty and erratic winds
                    expected near thunderstorms.
Mixing height.......1200-2900 ft AGL decreasing to 900-1200 ft AGL
                    after midnight.
Mixing winds........South 20 to 26 mph decreasing to 16 to 20 mph
                    after midnight.
Smoke dispersal.....Poor to good (12200-58200 knot-ft).
Haines Index........3 to 6 or very low potential for large plume
                    dominated fire growth to or high potential for
                    large plume dominated fire growth.

TIME (CST)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........72        95        98        94
Weather cov.....CHANCE    CHANCE    CHANCE    CHANCE
Weather type....RNSHWR    RNSHWR    RNSHWR    RNSHWR
Tstm cov........CHANCE    CHANCE    CHANCE    CHANCE
Temp............76        66        64        62
RH..............45        68        78        84
20 FT wind......S 9G15    S 14G25   S 14G25   S 13G20
Mix hgt (ft)....2900      1700      900       1100
Mixing wind......S 23      S 26      S 16      S 20
Haines index....3         6         3         3
SDspl kt-ft/100058        40        12        18

.TUESDAY...

Sky/weather.........Mostly cloudy (70-80 percent). Chance of
                    showers and thunderstorms.
Max temperature.....Around 75.
Min humidity........33 percent.
Wind (20 ft)........Southwest winds 9 to 10 mph. Gusty and erratic
                    winds expected near thunderstorms.
Mixing height.......1200-3100 ft AGL increasing to 4900-5700 ft
                    AGL.
Mixing winds........South 13 to 18 mph.
Smoke dispersal.....Fair to excellent (19200-64300 knot-ft)
                    increasing to excellent
                    (72900-85800 knot-ft) late in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (CST)      6 AM         10 AM        2 PM
Sky (%).........92           84           66
Weather cov.....CHANCE       CHANCE       CHANCE
Weather type....RNSHWR       RNSHWR       RNSHWR
Tstm cov........CHANCE       CHANCE       CHANCE
Temp............60           64           72
RH..............87           70           42
20 FT wind......S 10G15      SW 9G15      SW 10G15
Mix hgt (ft)....1200         2800         4900
Mixing wind......S 18         SW 16        SW 15
Haines index....3            3            3
SDspl kt-ft/100019           39           64

$$
Forecaster...CUNNINGHAM
Requested by...bryan
Type of request...PRESCRIBED
.TAG 1802137.0/SJT



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