902
FNUS73 KDMX 031134
FWSDMX
SPOT FORECAST FOR PERKINS RX...INHF
NATIONAL WEATHER SERVICE DES MOINES IA
634 AM CDT FRI MAY 3 2024
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 03.
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
PATCHY FOG IN THE VICINITY EARLY, OTHERWISE SUNSHINE RETURNS.
LIGHT SOUTH WINDS WITH RELATIVE HUMIDITY FROM 55 TO 65% AT
IGNITION TIME. RELATIVE HUMIDITY LOWER TO 35 TO 40% BY LATE
AFTERNOON. SHOWERS OVERNIGHT WITH ADDITIONAL WETTING RAINFALL
MONDAY AFTERNOON THROUGH MONDAY NIGHT.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........36 PERCENT.
WIND (20 FT)........SOUTH WINDS 6 TO 13 MPH.
MIXING HEIGHT.......3900 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10 TO 18 MPH SHIFTING TO THE SOUTH
AROUND 20 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (12200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (66900 KNOT-FT) IN THE
AFTERNOON.
GFDI................0.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........19 34 42 39 32 35 37 25
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............59 63 65 67 68 70 71 71
RH..............64 54 48 43 41 39 36 36
20 FT WIND DIR..S S S SE SE SE SE SE
20 FT WIND SPD..6 7 7 8 9 12 13 13
20 FT WIND GUST. 10 14 18 18
MIX HGT (KFT)...1.4 2.1 2.8 3.4 3.6 3.8 3.9 3.9
TRANSP WIND DIR.S S SE SE SE SE SE S
TRANSP WIND SPD.10 10 10 12 15 17 18 20
GFDI............0 0 0 0 0 0 0 0
HAINES INDEX....5 5 5 5 5 5 5 5
SDSPL KT-FT/100012 19 25 34 47 56 62 67
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN
SHOWERS OVERNIGHT. CHANCE OF THUNDERSTORMS
OVERNIGHT. RAIN SHOWERS AFTER 3 AM.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 8 TO 14 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS OVERNIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 13 TO 18 MPH SHIFTING TO THE
SOUTHWEST AROUND 14 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....GOOD (50700 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (4900 KNOT-FT) LATE IN THE
NIGHT.
GFDI................0.
HAINES INDEX........3 TO 5 OR VERY LOW TO MODERATE POTENTIAL FOR
LARGE PLUME DOMINATED FIRE GROWTH.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........16 27 45 61 81 98
WEATHER COV..... CHANCE DEFNTE
WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR
TSTM COV........ CHANCE CHANCE
TEMP............70 64 57 54 53 51
RH..............41 56 69 74 80 93
20 FT WIND......SE 14 SE 10 SE 9 SE 9 SE 10 SE 12
20 FT WIND GUST.18 14 14 14 14 16
MIX HGT (FT)....3200 500 400 400 500 500
TRANSPORT WIND..S 18 SE 13 SE 14 SE 16 SE 16 S 15
GFDI............0 0 0 0 0 0
HAINES INDEX....5 5 5 5 3 3
SDSPL KT-FT/100051 5 5 6 7 7
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) THEN BECOMING
MOSTLY SUNNY (35-45 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 9 TO 17 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE
MORNING.
MIXING HEIGHT.......4700 FT AGL.
TRANSPORT WINDS.....NORTH 13 TO 22 MPH.
SMOKE DISPERSAL.....POOR (7200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (85200 KNOT-FT) IN THE
AFTERNOON.
GFDI................0.
HAINES INDEX........2 TO 3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
TIME (CDT) 6 AM 9 AM NOON 3 PM
SKY (%).........99 89 73 49
WEATHER COV.....CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR NONE NONE
TSTM COV........CHANCE CHANCE
TEMP............50 53 57 63
RH..............100 89 75 56
20 FT WIND......NW 10G15 NW 15G21 NW 16G23 N 16G22
MIX HGT (FT)....700 1500 2700 4200
TRANSPORT WIND..NW 13 N 20 N 21 N 22
GFDI............0 0 0 0
HAINES INDEX....3 3 3 2
SDSPL KT-FT/10007 25 48 80
FORECASTER...VACHALEK
REQUESTED BY...DEREK MINER
TYPE OF REQUEST...PRESCRIBED
.TAG 2413065.0/DMX
.DELDT 05/03/24
.FORMATTERVERSION 2.0.0
.EMAIL DMINER@INHF.ORG
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