002
FNUS74 KHUN 101140
FWSHUN
SPOT FORECAST FOR NATURAL BRIDGE SITE PREP...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
640 AM CDT WED JUL 10 2024
FORECAST IS BASED ON IGNITION TIME OF 0700 CDT ON JULY 10.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MIXING HEIGHTS AT IGNITION TIME TODAY ARE EXPECTED TO BE AROUND
1500 FEET AND CLIMB TO OVER 3000 FEET JUST AFTER 10 AM BEFORE
REACHING A PEAK AROUND 6000 FEET BY 5 PM. TRANSPORT WINDS ARE
EXPECTED TO BE FROM THE NW AT IGNITION TIME AND REMAIN FROM THE NW
THROUGH THE AFTERNOON HOURS AND DECREASE CLOSER TO 10 MPH IN THE
EARLY AFTERNOON HOURS. 20 FOOT WINDS WILL BE FAIRLY LIGHT FROM THE
W AROUND IGNITION TIME AND ONLY INCREASE TO 5 MPH WHILE BECOMING
NORTHWESTERLY DURING THE LATE MORNING INTO THE AFTERNOON HOURS.
SOME GUSTS TO AROUND 12 MPH WILL BE POSSIBLE. RELATIVE HUMIDITY AT
IGNITION TIME SHOULD BE AROUND 68 PERCENT AND DROP BELOW 50
PERCENT AROUND 1 PM BEFORE REACHING A MINIMUM BETWEEN 35 AND 37
PERCENT AROUND 3 PM.
LESS CLOUD COVER IS EXPECTED ON THURSDAY. MIXING HEIGHTS AT
IGNITION TIME ARE EXPECTED TO BE MUCH LOWER AROUND 100 FEET AND
CLIMB TO OVER 3000 FEET AROUND 9 AM BEFORE REACHING A PEAK AROUND
7400 FEET BETWEEN 3 AND 5 PM. TRANSPORT WINDS ARE EXPECTED TO BE
LIGHT FROM THE N AT IGNITION TIME AND REMAIN FROM THE N THROUGH
THE AFTERNOON HOURS AND INCREASE TO AROUND 5 MPH AROUND 9 AM. 20
FOOT WINDS WILL BE VERY LIGHT AND VARIABLE THROUGH THE DAY.
RELATIVE HUMIDITY AT IGNITION TIME SHOULD BE AROUND 93 PERCENT
WITH SOME PATCHY FOG POSSIBLE AND DROP BELOW 50 PERCENT AROUND 1
PM BEFORE REACHING A MINIMUM BETWEEN 36 AND 38 PERCENT BETWEEN 4
AND 5 PM.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY TO PARTLY CLOUDY(40-50 PERCENT).
MAX TEMPERATURE.....AROUND 91.
MIN HUMIDITY........35-37 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......6300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 14 MPH.
LVORI...............3.
TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........41 44 48 46 47 43
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TEMP............68 73 79 85 90 88
RH..............97 76 62 50 38 42
20 FT WIND......W 2 NW 2 NW 5 NW 5 NW 3 NW 2
MIX HGT (FT)....1500 2500 3700 5000 5900 6000
TRANSPORT WIND..NW 14 NW 13 NW 12 NW 10 N 8 N 6
DISPERSION IDX..6 6 54 65 58 42
LVORI...........5 5 1 1 1 1
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....AROUND 66.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....NORTH 2 TO 6 MPH.
LVORI...............5.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........35 27 22 18 13 12 10 9 8 7 6 7
WEATHER COV.....
WEATHER TYPE....
TEMP............86 84 80 76 73 72 71 70 69 68 68 67
RH..............48 55 65 74 81 84 87 87 90 93 93 93
20 FT WIND DIR..330 340 340 000 000 000 000 000 000 000 000 000
20 FT WIND SPD..2 1 1 0 0 0 0 0 0 0 0 0
20 FT WIND GUST.9
MIX HGT (KFT)...5.7 5.3 3.6 1.8 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.330 330 330 340 340 340 340 340 340 350 350 350
TRANSP WIND SPD.6 5 3 2 2 2 3 3 3 3 3 3
DISPERSION IDX..40 30 16 6 0 0 2 2 2 2 2 2
LVORI...........1 3 3 3 6 6 6 7 7 7 8 8
THURSDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........36-38 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......7400 FT AGL.
TRANSPORT WINDS.....NORTH 2 TO 7 MPH.
LVORI...............5.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........8 9 9 8 8 14 19 25 25 25 25 22
WEATHER COV.....
WEATHER TYPE....
TEMP............66 69 75 78 83 86 88 90 91 91 92 92
RH..............100 93 79 69 55 50 45 41 40 40 38 38
20 FT WIND DIR..000 000 000
DECREASE CLOSER TO 10 MPH IN THE EARLY AFTERNOON
HOURS 020 020 010 000 350 350 350 350 350
20 FT WIND SPD..0 0 0 0 1 1 2 2 2 2 2 2
20 FT WIND GUST. 5 5 6 6 7 7 7 8 8 8
MIX HGT (KFT)...0.1 0.1 2.0 3.9 5.7 6.0 6.3 6.5 6.8 7.1 7.4 6.9
TRANSP WIND DIR.350 000 000 350 350 000 010 020 020 020 020 020
TRANSP WIND SPD.2 2 3 5 6 6 6 6 6 7 7 7
DISPERSION IDX..1 1 2 2 3 42 44 45 47 59 61 57
LVORI...........8 5 5 5 2 2 2 1 1 1 1 1
FORECASTER...WEBER
REQUESTED BY...CLARK
TYPE OF REQUEST...PRESCRIBED
.TAG 2417722.0/HUN
.DELDT 07/10/24
.FORMATTERVERSION 2.0.0
.EMAIL KERRY.CLARK@USDA.GOV
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