898
FNUS74 KSJT 211438
FWSSJT
SPOT FORECAST FOR BURN BRUSH PILES...STRAUCH RANCH
NATIONAL WEATHER SERVICE SAN ANGELO TX
838 AM CST FRI FEB 21 2020
FORECAST IS BASED ON IGNITION TIME OF 0000 CST ON FEBRUARY 21.
PLEASE CONTACT OUR OFFICE AT 325-944-3030 IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
COOL AND DRY CONDITIONS EXPECTED IN THE BURN AREA TODAY.
NORTHEASTERLY WINDS THIS MORNING WILL BECOME SOUTHEASTERLY BY
THIS AFTERNOON. MIN RH VALUES WILL BE BETWEEN 30-40 PERCENT.
TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
LAL.................NO TSTMS.
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........36 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH IN THE MORNING BECOMING
LIGHT, THEN BECOMING SOUTHEAST AROUND 5 MPH
LATE IN THE AFTERNOON.
MIXING HEIGHT.......1200-2800 FT AGL INCREASING TO 2800-3200 FT AGL
LATE IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 7 TO 15 MPH.
SMOKE DISPERSAL.....FAIR (14400 KNOT-FT).
HAINES INDEX........3 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).............55 57 56 53 50 54
WEATHER COV.........
WEATHER TYPE........NONE NONE NONE NONE NONE NONE
TSTM COV............
LAL.................1 1 1 1 1 1
TEMP................31 31 38 44 49 53
RH..................81 81 64 49 42 36
20 FT WIND DIR......NE NE E E SE SE
20 FT WIND SPD......7 7 6 5 3 3
20 FT WIND GUST.....10 10 8 7 6 6
MIX HGT (FT)........1200 1400 1700 2200 2800 3000
TRANSPORT WIND.....NE 15 E 13 E 10 SE 8 SE 7 S 7
HAINES INDEX........3 3 3 3 3 3
SDSPL KT-FT/1000....16 15 15 15 17 18
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT).
LAL.................NO TSTMS.
MIN TEMPERATURE.....AROUND 35.
MAX HUMIDITY........85 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH.
MIXING HEIGHT.......1100-2600 FT AGL DECREASING TO 300-400 FT AGL
IN THE LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....SOUTH 9 TO 17 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (3600-20900 KNOT-FT).
HAINES INDEX........2 TO 3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).............67 54 48 40 45 47
WEATHER COV.........
WEATHER TYPE........NONE NONE NONE NONE NONE NONE
TSTM COV............
LAL.................1 1 1 1 1 1
TEMP................53 47 42 40 37 36
RH..................36 51 62 70 75 79
20 FT WIND DIR......SE SE S S S S
20 FT WIND SPD......5 5 6 7 7 7
20 FT WIND GUST.....7 7 8 10 10 10
MIX HGT (FT)........2600 1100 400 300 300 300
TRANSPORT WIND.....S 9 S 10 S 13 S 16 S 17 S 16
HAINES INDEX........3 3 2 2 2 2
SDSPL KT-FT/1000....21 10 4 4 4 4
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
LAL.................NO TSTMS.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 14 MPH.
MIXING HEIGHT.......200-1900 FT AGL INCREASING TO 2300-2700 FT AGL
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 16 TO 24 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (3300-50900 KNOT-FT) INCREASING TO
GOOD (48300 KNOT-FT) LATE IN THE AFTERNOON.
HAINES INDEX........2 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).............49 39 36 37 39 39
WEATHER COV.........
WEATHER TYPE........NONE NONE NONE NONE NONE NONE
TSTM COV............
LAL.................1 1 1 1 1 1
TEMP................35 36 45 52 58 60
RH..................82 82 65 50 42 39
20 FT WIND DIR......S S S S S S
20 FT WIND SPD......7 10 12 14 14 13
20 FT WIND GUST.....10 14 18 20 20 20
MIX HGT (FT)........200 700 1400 2300 2500 2500
TRANSPORT WIND.....S 16 S 20 S 23 S 23 S 23 S 24
HAINES INDEX........2 2 2 2 2 2
SDSPL KT-FT/1000....3 13 28 46 51 52
FORECASTER...WILEY
REQUESTED BY...PATTI STRAUCH, DVM
TYPE OF REQUEST...PRESCRIBED
.TAG 2002616.0/SJT
.DELDT 02/21/20
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