102
FNUS73 KOAX 211458
FWSOAX
SPOT FORECAST FOR YANKEE HILL PRAIRIE UNIT 3...LINCOLN PARKS AND RECREATION
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
958 AM CDT THU MAY 21 2026
FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON MAY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A BRIEF DECREASE IN CLOUD COVER THIS AFTERNOON AS TEMPERATURES
WARM INTO THE THE MID 60S. RELATIVELY MOIST CONDITIONS ARE
ANTICIPATED WITH MINIMUM RELATIVE HUMIDITY FALLING INTO THE LOWER
60S AND UPPER 50S. MINIMUM RELATIVE HUMIDITY BETWEEN 54-58% IS
ANTICIPATED. WINDS REMAIN RELATIVELY LIGHT WITH EAST-SOUTHEAST
WINDS BETWEEN 10-15 MPH WITH GUSTS UPWARDS OF 20 MPH. RAIN CHANCES
REMAIN MAINLY SOUTH AND WEST OF THE AREA THIS AFTERNOON AND
EVENING. TONIGHT, RAIN CHANCES INCREASE AS A WEATHER SYSTEM
APPROACHES THE REGION. RAIN CHANCES OF 60-80% WITH RELATIVE
HUMIDITY NEAR 100% BY MORNING. TEMPERATURES COOL INTO THE UPPER
40S. WINDS BECOME EASTERLY AND LIGHT. RAIN AND ISOLATED
THUNDERSTORMS ARE EXPECTED ON FRIDAY WITH TEMPERATURES WARMING
INTO THE LOWER 60S. RELATIVE HUMIDITY REMAINS HIGH, ONLY
DECREASING TO BETWEEN 70-75%. SOUTHEAST WINDS BETWEEN 10-15 MPH
ARE EXPECTED.
STRONGEST POSSIBLE 30 FT WIND SPEEDS ON DAY OF BURN: 15-20 MPH
LOWEST POSSIBLE RELATIVE HUMIDITY ON DAY OF BURN: 53-56%
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT).
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........65 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 7 TO 8 MPH. GUSTS UP TO 23 MPH LATE
IN THE AFTERNOON.
WIND (30 FT)........EAST WINDS 11 TO 14 MPH. GUSTS UP TO 23 MPH
LATE IN THE AFTERNOON.
WIND (20 FT)........EAST WINDS 10 TO 12 MPH. GUSTS UP TO 23 MPH
LATE IN THE AFTERNOON.
MIXING HEIGHT.......3600 FT AGL.
TRANSPORT WINDS.....EAST 14 TO 17 MPH.
SMOKE DISPERSAL.....GOOD (41200 KNOT-FT).
GFDI................0.
TIME (CDT) 1PM 2PM 3PM 4PM 5PM
SKY (%).........70 71 70 90 90
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............60 60 62 62 61
RH..............69 72 67 67 70
20 FT WIND DIR..E E E E E
20 FT WIND SPD..9 9 10 11 11
20 FT WIND GUST.14 16 17 18 18
EYE LVL WND DIR.E E E E E
EYE LVL WND SPD.7 7 8 8 8
EYE LVL WND GST.11 12 13 13 14
30 FT WND DIR...E E E E E
30 FT WND SPD...11 11 13 14 14
30 FT WND GST...18 20 21 22 23
MIX HGT (KFT)...3.6 3.5 3.3 3.3 2.5
TRANSP WIND DIR.E E E E E
TRANSP WIND SPD.14 14 15 15 17
GFDI............0 0 0 0 0
SDSPL KT-FT/100043 45 45 43 41
TONIGHT
SKY/WEATHER.........CLOUDY (90-100 PERCENT). CHANCE OF RAIN SHOWERS
IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS
THROUGH THE NIGHT. RAIN SHOWERS OVERNIGHT.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........100 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS UP TO 8 MPH. GUSTS UP TO 23 MPH
EARLY IN THE EVENING.
WIND (30 FT)........SOUTHEAST WINDS 8 TO 14 MPH. GUSTS UP TO 23 MPH
EARLY IN THE EVENING.
WIND (20 FT)........EAST WINDS 7 TO 12 MPH. GUSTS UP TO 23 MPH
EARLY IN THE EVENING. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS IN THE LATE EVENING
AND OVERNIGHT.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WINDS.....EAST 14 TO 18 MPH.
SMOKE DISPERSAL.....GOOD (38000 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (12000 KNOT-FT) LATE IN THE
NIGHT.
GFDI................0.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........89 92 96 100 94 93 95 95 95 94 91 92
WEATHER COV..... SCH CHC CHC LKY DEF DEF LKY LKY
WEATHER TYPE.... RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH SCH SCH SCH
TEMP............62 60 59 57 56 55 55 54 54 55 53 53
RH..............65 69 72 77 80 83 86 90 90 90 96 96
20 FT WIND DIR..E E E E E E E E E E E SE
20 FT WIND SPD..11 11 10 9 8 7 6 6 6 6 6 6
20 FT WIND GUST.18 18 16 14 14 13 12 11 11 11 11 12
EYE LVL WND DIR.E E E E E E E E E E E SE
EYE LVL WND SPD.8 8 8 7 6 5 4 4 4 4 4 4
EYE LVL WND GST.14 13 12 11 10 10 9 8 8 8 8 9
30 FT WND DIR...E E E E E E E E E E E SE
30 FT WND SPD...14 14 13 11 10 9 8 8 8 8 8 8
30 FT WND GST...23 22 20 18 17 16 15 14 14 14 14 15
MIX HGT (KFT)...2.4 2.1 1.4 1.0 1.0 1.1 1.0 1.1 1.1 1.1 1.0 0.9
TRANSP WIND DIR.E E E E E E E E E SE SE SE
TRANSP WIND SPD.18 18 16 15 16 15 15 15 15 15 15 14
GFDI............0 0 0 0 0 0 0 0 0 0 0 0
SDSPL KT-FT/100038 34 27 20 15 13 13 14 14 13 13 12
FRIDAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN RAIN SHOWERS AND CHANCE OF THUNDERSTORMS
IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........70 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 5 TO 8 MPH. GUSTS UP TO 22 MPH
IN THE LATE MORNING AND EARLY AFTERNOON.
WIND (30 FT)........SOUTHEAST WINDS 9 TO 13 MPH. GUSTS UP TO 22 MPH
IN THE LATE MORNING AND EARLY AFTERNOON.
WIND (20 FT)........SOUTHEAST WINDS 8 TO 12 MPH. GUSTS UP TO 22 MPH
IN THE LATE MORNING AND EARLY AFTERNOON. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
EARLY IN THE MORNING. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......2100 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 13 TO 17 MPH.
SMOKE DISPERSAL.....POOR (11100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (28800 KNOT-FT) IN THE
AFTERNOON.
GFDI................0.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........93 99 93 89 87 85 86 82 87 90 88 76
WEATHER COV.....LKY LKY LKY LKY LKY CHC LKY DEF DEF DEF DEF DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH CHC CHC CHC CHC CHC
TEMP............53 52 54 56 59 60 61 62 63 64 65 67
RH..............96 100 100 96 93 93 90 87 87 87 84 78
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..7 8 8 8 9 10 10 10 9 9 9 8
20 FT WIND GUST.13 14 14 16 17 18 18 18 17 16 14 13
EYE LVL WND DIR.SE SE SE SE SE SE SE SE SE SE SE SE
EYE LVL WND SPD.5 6 6 6 7 8 8 8 7 7 7 6
EYE LVL WND GST.10 10 10 12 13 13 13 13 13 12 11 10
30 FT WND DIR...SE SE SE SE SE SE SE SE SE SE SE SE
30 FT WND SPD...9 10 10 10 11 13 13 13 11 11 11 10
30 FT WND GST...16 17 17 20 21 22 22 22 21 20 18 16
MIX HGT (KFT)...0.7 0.9 1.3 1.3 1.4 1.5 1.6 1.9 2.1 2.0 2.0 1.3
TRANSP WIND DIR.SE SE SE SE SE SE SE SE S S S S
TRANSP WIND SPD.14 14 16 16 16 17 16 17 17 16 14 13
GFDI............0 0 0 0 0 0 0 0 0 0 0 0
SDSPL KT-FT/100011 11 13 16 19 23 27 29 29 27 24 20
FORECASTER...CHEHAK
REQUESTED BY...AARON DRUERY
TYPE OF REQUEST...PRESCRIBED
.TAG 2614221.0/OAX
.DELDT 05/21/26
.FORMATTERVERSION 2.0.0
.EMAIL ADRUERY@LINCOLN.NE.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page