798
FNUS74 KOUN 221304
FWSOUN
SPOT FORECAST FOR BLACK KETTLE STUDY PLOTS UNITS 1 & 41...USFS
NATIONAL WEATHER SERVICE NORMAN OK
804 AM CDT MON JUN 22 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON JUNE 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (405) 325-3816 IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
INITIAL LIGHT AND VARIABLE WINDS TO START THE MORNING SHOULD SETTLE
TOWARD A SUSTAINED NORTHEASTERLY DIRECTION BY NOON AT SPEEDS AROUND
10 MPH. WITH DAYTIME TEMPERATURES IN THE MID 80S, AFTERNOON HUMIDITIES
WILL ONLY FALL TO THE 60 PERCENT RANGE. THERE IS A CHANCE (30%
PROBABILITY) FOR RENEWED THUNDERSTORM DEVELOPMENT LATE THIS AFTERNOON
AND THIS EVENING. ANY STORMS THAT DO FOR IN PROXIMITY TO THE BURN SITE
WILL BE CAPABLE OF ERRATIC AND GUSTY WINDS.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY THEN BECOMING MOSTLY SUNNY EARLY
IN THE AFTERNOON THEN BECOMING PARTLY SUNNY
THEN BECOMING MOSTLY SUNNY LATE IN THE
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........63 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 10 MPH SHIFTING TO THE
SOUTHEAST LATE IN THE AFTERNOON. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......3800 FT AGL.
TRANSPORT WINDS.....EAST 13 TO 16 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (10600-42100 KNOT-FT).
TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........61 57 45 38 51
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........CHANCE CHANCE CHANCE CHANCE CHANCE
TEMP............70 73 76 80 82
RH..............93 84 76 67 63
20 FT WIND DIR..NE NE E E E
20 FT WIND SPD..10 10 10 10 10
20 FT WIND GUST.17 17 17 17 17
MIX HGT (FT)....900 1500 2700 3800 3700
TRANSPORT WIND..E 14 E 16 E 13 E 13 E 13
VRATE KTFT/1000.11 22 30 42 41
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS OVERNIGHT.
MIN TEMPERATURE.....AROUND 66.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 7 TO 10 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 13 TO 16 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (6000-37500 KNOT-FT).
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........43 48 31 40 82 56
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE S CHC S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........CHANCE CHANCE CHANCE CHANCE S CHC S CHC
TEMP............82 78 73 71 70 68
RH..............65 76 90 97 97 100
20 FT WIND DIR..SE SE SE SE SE SE
20 FT WIND SPD..10 9 8 8 7 8
20 FT WIND GUST.17 16 14 14 13 14
MIX HGT (FT)....3100 1600 1200 700 900 700
TRANSPORT WIND..SE 14 E 14 SE 15 SE 15 E 14 SE 14
VRATE KTFT/1000.38 19 16 9 11 8
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY EARLY
IN THE AFTERNOON THEN BECOMING SUNNY. SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE MORNING.
SLIGHT CHANCE OF SHOWERS IN THE MORNING.
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........49 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 7 TO 9 MPH SHIFTING TO THE
SOUTH 9 TO 12 MPH LATE IN THE AFTERNOON. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
EARLY IN THE MORNING.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 18 MPH INCREASING TO 18 TO 20 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO EXCELLENT (7200-95200 KNOT-FT).
TIME (CDT) 6 AM 9 AM NOON 3 PM
SKY (%).........72 81 74 40
WEATHER COV.....S CHC S CHC S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE
TSTM COV........S CHC S CHC
TEMP............68 71 80 90
RH..............100 93 69 50
20 FT WIND DIR..SE SE S S
20 FT WIND SPD..7 7 8 10
20 FT WIND GUST.13 13 14 17
MIX HGT (FT)....700 1700 3000 4900
TRANSPORT WIND..SE 12 S 14 S 17 S 18
VRATE KTFT/1000.7 20 45 79
FORECASTER...LINDLEY
REQUESTED BY...MATTHEW LAMB
TYPE OF REQUEST...PRESCRIBED
.TAG 2615964.0/OUN
.DELDT 06/22/26
.FORMATTERVERSION 2.0.0
.EMAIL MATTHEW.LAMB@USDA.GOV
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