475
FNUS73 KDMX 201338
FWSDMX
SPOT FORECAST FOR OAK GROVE BURN PILE...USACE
NATIONAL WEATHER SERVICE DES MOINES IA
838 AM CDT WED MAY 20 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MAY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED.
PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN.
DISCUSSION
WINDS WILL PRIMARILY BE OUT OF THE NNE TODAY AND BECOME MORE NE
AFTER 4PM. GUSTS FREQUENCY WILL BE LOW AND WILL REMAIN UNDER
20MPH. RECENT MOISTURE WILL KEEP RHS ABOVE 40% THIS AFTERNOON.
HIGHS WILL REACH THE LOW 60S.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 6 TO 8 MPH.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 10 TO 14 MPH.
SMOKE DISPERSAL.....POOR (31700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (44600 KNOT-FT) IN THE
AFTERNOON.
GFDI................0.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........5 4 7 25 43 48 62 59 48
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............52 54 56 57 59 60 61 61 60
RH..............70 61 55 53 49 49 48 49 50
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE
20 FT WIND SPD..6 7 7 8 8 8 8 8 8
20 FT WIND GUST.9 10 12 12 12 12 12 12 12
MIX HGT (KFT)...2.6 3.5 3.7 3.9 4.1 4.3 4.3 4.5 4.3
TRANSP WIND DIR.NE N N N NE NE NE NE NE
TRANSP WIND SPD.14 14 12 12 12 12 12 12 10
GFDI............0 0 0 0 0 0 0 0 0
SMOKE DISPERSAL.32 42 37 39 41 43 43 45 39
SMOKE CAT.......PR FR PR PR FR FR FR FR PR
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT).
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........80 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 8 MPH IN THE EVENING
BECOMING LIGHT, THEN BECOMING EAST 6 TO 7 MPH
OVERNIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....EAST 9 TO 13 MPH.
SMOKE DISPERSAL.....FAIR (40600 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (3600 KNOT-FT) LATE IN THE
NIGHT.
GFDI................0.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........49 60 68 68 67 70 63 58 68 73 79 83
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............60 60 59 56 55 54 53 52 52 51 50 50
RH..............51 51 55 64 66 69 71 74 74 77 80 77
20 FT WIND DIR..NE NE NE NE NE E E E E E E E
20 FT WIND SPD..8 7 6 5 5 3 6 6 6 6 7 7
20 FT WIND GUST.12 12 9 8 8 9 9 10 12 12 13 14
MIX HGT (KFT)...4.1 3.4 0.6 0.6 0.4 0.4 0.5 0.5 0.5 0.5 0.6 0.9
TRANSP WIND DIR.E E E NE NE E E E E E E E
TRANSP WIND SPD.12 13 9 9 9 12 12 12 12 12 12 13
GFDI............0 0 0 0 0 0 0 0 0 0 0 0
SMOKE DISPERSAL.41 37 5 4 4 5 5 5 5 5 6 10
SMOKE CAT.......FR PR PR PR PR PR PR PR PR PR PR PR
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE MORNING. SLIGHT
CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........64 PERCENT.
WIND (20 FT)........EAST WINDS 8 TO 12 MPH.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....EAST 13 TO 17 MPH.
SMOKE DISPERSAL.....POOR (5200 KNOT-FT).
GFDI................0.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........83 83 79 82 80 78 76 82 66 71 76 84
WEATHER COV..... SCH SCH SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW RW RW
TSTM COV........
TEMP............50 50 51 51 54 56 57 58 59 59 59 60
RH..............77 77 74 77 69 66 67 67 67 67 67 64
20 FT WIND DIR..E E E E E E E E E E E E
20 FT WIND SPD..8 9 9 9 10 10 10 9 10 12 12 10
20 FT WIND GUST.15 17 18 18 18 18 17 16 16 17 17 17
MIX HGT (KFT)...0.7 0.9 1.3 1.5 1.7 2.0 2.1 2.1 0.5 1.6 2.5 1.4
TRANSP WIND DIR.E E E E E E E E E E E NE
TRANSP WIND SPD.14 15 17 15 16 16 16 15 13 16 16 16
GFDI............0 0 0 0 0 0 0 0 0 0 0 0
SMOKE DISPERSAL.8 11 20 20 24 28 30 28 5 23 34 20
SMOKE CAT.......PR PR PR PR PR PR PR PR PR PR PR PR
FORECASTER...JIMENEZ
REQUESTED BY...COTY THOMPSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2614114.0/DMX
.DELDT 05/20/26
.FORMATTERVERSION 2.0.0
.EMAIL COTY.A.THOMPSON@USACE.ARMY.MIL
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