856
FNUS74 KTSA 191643
FWSTSA
SPOT FORECAST FOR VC UNIT...AR STATE PARKS
NATIONAL WEATHER SERVICE TULSA OK
1143 AM CDT SUN APR 19 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT NWS TULSA AT (918)838-7838, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
SEASONAL, MOSTLY SUNNY, AND RAIN-FREE WEATHER CONDITIONS ARE
ANTICIPATED AT THE BURN SITE ON TUESDAY. SURFACE WINDS WILL BE ON
THE BREEZY SIDE OUT OF THE SOUTH TO SOUTHWEST, WITH FREQUENT GUSTS
AROUND 20 TO 25 MPH BY THE AFTERNOON. AFTERNOON HIGH TEMPERATURES
WILL RISE INTO THE MID-70S WITH RELATIVE HUMIDITY VALUES DROPPING
TO NEAR 45 PERCENT DURING PEAK HEATING. HUMIDITY VALUES WILL
STEADILY RISE AFTER SUNSET TUESDAY. WEATHER CONDITIONS WILL BE
SOMEWHAT SIMILAR ON WEDNESDAY, WITH SLIGHTLY WARMER TEMPERATURES, HIGHER
HUMIDITY, AND MORE CLOUD COVERAGE THROUGH THE DAYTIME.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........46 PERCENT.
DEWPOINT............49.
WIND (20 FT)........SOUTHWEST WINDS 9 TO 10 MPH.
MIXING HEIGHT.......5400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 17 TO 23 MPH.
SMOKE DISPERSAL.....EXCELLENT (86557 KNOT-FT).
STABILITY CLASS.....2.
1700FT AVG MIX T(F).66.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........33 36 39 42 40 37 35 31
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............64 67 69 70 72 73 73 72
DEWPOINT........47 48 48 49 50 51 51 51
RH..............54 51 47 46 46 47 47 47
20 FT WIND DIR..SW SW SW SW SW SW SW SW
20 FT WIND SPD..9 9 10 10 10 10 10 9
20 FT WIND GUST.16 16 16 16 16 14 14 13
MIX HGT (KFT)...2.7 3.5 4.2 4.8 5.3 5.4 5.1 3.7
TRANSP WIND DIR.SW SW SW SW SW SW SW SW
TRANSP WIND SPD.21 22 23 23 23 21 20 17
VRATE KT-FT/1K..87 87 87 108 108 108 108 108
VENTRATE CAT....GD GD GD VGD VGD VGD VGD VGD
1700FT MIX T(F).63 64 66 68 69 70 70 70
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....AROUND 53.
MAX HUMIDITY........94 PERCENT.
DEWPOINT............50.
WIND (20 FT)........SOUTH WINDS 5 TO 9 MPH.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 9 TO 15 MPH.
SMOKE DISPERSAL.....EXCELLENT (108196 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (4590 KNOT-FT) LATE IN THE
NIGHT.
STABILITY CLASS.....4.
1700FT AVG MIX T(F).69 EARLY IN THE EVENING.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........26 22 18 14 10 12 13 15 18 21 24 28
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............71 69 66 64 61 59 58 57 56 55 55 54
DEWPOINT........50 50 50 51 51 51 51 51 51 51 51 51
RH..............48 51 55 64 70 74 77 80 83 86 88 91
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..9 8 6 6 5 5 5 5 5 4 4 4
20 FT WIND GUST.11 10 14 14 13 13 12 12 11 11 10 10
MIX HGT (KFT)...2.0 0.6 0.2 0.3 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW S S S
TRANSP WIND SPD.15 14 13 13 13 13 12 12 10 9 9 9
VRATE KT-FT/1K..108 8 8 8 8 8 8 5 5 5 5 5
VENTRATE CAT....VGD PR PR PR PR PR PR PR PR PR PR PR
1700FT MIX T(F).70 69 60 60 60 60 60 60 60 60 60 60
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........59 PERCENT.
DEWPOINT............53 INCREASING TO 58 IN THE LATE MORNING AND
AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH IN THE
LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......4600 FT AGL.
TRANSPORT WINDS.....SOUTH 9 TO 16 MPH.
SMOKE DISPERSAL.....POOR (4590 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (60983 KNOT-FT) IN THE
AFTERNOON.
STABILITY CLASS.....4.
1700FT AVG MIX T(F).MISSING.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........32 36 40 43 47 51 55 59 56 52 49 40
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............53 54 56 60 64 67 70 72 73 74 74 74
DEWPOINT........51 52 54 55 57 58 59 59 59 59 59 59
RH..............93 94 92 83 78 73 69 64 61 59 59 59
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..3 3 3 4 5 6 6 7 8 8 8 8
20 FT WIND GUST.10 10 10 12 13 14 14 14 14 14 14 14
MIX HGT (KFT)...0.5 0.6 1.0 1.6 2.2 3.0 3.8 4.4 4.6 4.6 4.1 3.0
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.9 10 12 13 14 14 13 13 14 15 16 16
VRATE KT-FT/1K..5 43 43 43 43 43 43 61 61 61 61 61
VENTRATE CAT....PR FR FR FR FR FR FR GD GD GD GD GD
1700FT MIX T(F).60 60 60 60 60 60 60 60 60 60 60 60
FORECASTER...B.MEJIA
REQUESTED BY...FRED SUTTON
TYPE OF REQUEST...PRESCRIBED
.TAG 2610744.0/TSA
.DELDT 04/19/26
.FORMATTERVERSION 2.0.0
.EMAIL FREDSUTTONHOBBS@GMAIL.COM
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