711
FNUS73 KDMX 071326
FWSDMX
SPOT FORECAST FOR SPRINGBROOK LITTLE BLUESTEM...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
826 AM CDT WED MAY 7 2025
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MAY 07.
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
LIGHT AND VARIABLE WINDS EARLY THIS MORNING WILL BECOME OUT OF THE
NORTHEAST TO EAST INTO MIDDAY AND MAY BECOME OUT OF THE SOUTHEAST
AT TIMES THIS AFTERNOON. WIND SPEEDS AND GUSTS GENERALLY REMAIN
LESS THAN 10-15 MPH. ISOLATED SHOWERS OR STORMS DEVELOP THIS
AFTERNOON INTO EVENING WHICH MAY BRING A LOW CHANCE (<35%) FOR A
SHOWER/STORM AT THE BURN SITE. THESE DO POSE THE HAZARD OF GUSTY,
ERRATIC OUTFLOW WINDS OF 30-40 MPH. RELATIVE HUMIDITY VALUES DROP
TO AROUND 30% BY THIS AFTERNOON AS WELL.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). SLIGHT CHANCE OF
SHOWERS LATE IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 9 MPH IN THE
LATE MORNING AND EARLY AFTERNOON, THEN
INCREASING TO AROUND 9 MPH LATE IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......8300 FT AGL.
TRANSPORT WINDS.....EAST 7 TO 15 MPH INCREASING TO 16 TO 17 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (4100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (81000 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (91900
KNOT-FT) LATE IN THE AFTERNOON.
GFDI................0.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........80 76 69 63 57 61 64 68 73
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH SCH
TEMP............63 66 68 71 75 76 76 77 76
RH..............62 54 49 42 37 34 33 31 33
20 FT WIND DIR..NE NE E E E E E E E
20 FT WIND SPD..3 5 7 8 9 9 9 9 9
20 FT WIND GUST. 13 14 14 15 15 14
MIX HGT (KFT)...0.7 1.5 3.0 4.6 6.2 7.7 8.3 8.0 6.6
TRANSP WIND DIR.NE E E E E E E E E
TRANSP WIND SPD.7 8 10 14 15 17 16 16 16
GFDI............0 0 0 0 0 0 0 0 0
SMOKE DISPERSAL.4 11 27 55 81 115 117 112 92
SMOKE CAT.......PR PR PR FR GD VGD VGD VGD GD
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
OVERNIGHT.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........86 PERCENT.
WIND (20 FT)........EAST WINDS 6 TO 9 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS IN THE EVENING.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....EAST 9 TO 16 MPH.
SMOKE DISPERSAL.....GOOD (37500 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (4000 KNOT-FT) LATE IN THE
NIGHT.
GFDI................0.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........78 83 85 88 91 82 73 63 63 63 63 59
WEATHER COV.....CHC CHC CHC CHC CHC CHC SCH
WEATHER TYPE....RW RW RW RW RW RW RW
TSTM COV........CHC CHC CHC CHC CHC CHC SCH
TEMP............75 72 67 63 61 59 59 57 57 56 54 52
RH..............34 39 50 62 72 78 78 83 83 86 86 86
20 FT WIND DIR..E E E E E E NE NE E E E E
20 FT WIND SPD..9 8 8 7 7 7 6 6 6 6 7 7
20 FT WIND GUST.13 12 10 9 8 8 9 9 10 12 12 13
MIX HGT (KFT)...4.2 0.8 0.5 0.5 0.5 0.6 0.5 0.5 0.6 0.8 1.0 0.9
TRANSP WIND DIR.E NE NE NE E E E E E E E E
TRANSP WIND SPD.10 10 10 12 14 10 9 9 12 13 16 16
GFDI............0 0 0 0 0 0 0 0 0 0 0 0
SMOKE DISPERSAL.38 7 5 5 6 5 4 4 6 9 15 13
SMOKE CAT.......PR PR PR PR PR PR PR PR PR PR PR PR
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........EAST WINDS 8 TO 10 MPH.
MIXING HEIGHT.......4400 FT AGL.
TRANSPORT WINDS.....EAST 13 TO 16 MPH.
SMOKE DISPERSAL.....POOR (12300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (48800 KNOT-FT) IN THE
AFTERNOON.
GFDI................0.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........55 51 41 31 21 16 12 8 7 7 6 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............51 51 52 54 57 62 66 68 70 71 73 72
RH..............83 80 77 74 67 54 45 40 36 34 30 31
20 FT WIND DIR..E E E E E E NE NE NE E E E
20 FT WIND SPD..8 9 9 9 9 9 10 10 10 10 10 10
20 FT WIND GUST.14 14 14 14 15 15 16 16 17 17 17 16
MIX HGT (KFT)...1.0 0.9 1.5 1.7 2.1 2.3 2.8 3.3 3.6 4.0 4.4 4.0
TRANSP WIND DIR.E E E E E E E NE NE E E E
TRANSP WIND SPD.16 15 15 16 16 14 15 16 15 14 13 13
GFDI............0 0 0 0 0 0 0 0 0 0 0 0
SMOKE DISPERSAL.14 12 20 24 29 27 35 46 49 49 48 43
SMOKE CAT.......PR PR PR PR PR PR PR FR FR FR FR FR
FORECASTER...05
REQUESTED BY...TANNER VENTEICHER
TYPE OF REQUEST...PRESCRIBED
.TAG 2513348.0/DMX
.DELDT 05/07/25
.FORMATTERVERSION 2.0.0
.EMAIL TANNER.VENTEICHER@DNR.IOWA.GOV
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