FNUS73 KLMK 311555
FWSLMK

SPOT FORECAST FOR U-38...HOOSIER NATIONAL FOREST
NATIONAL WEATHER SERVICE LOUISVILLE KY
1155 AM EDT WED OCT 31 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON NOVEMBER 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM EDT THURSDAY...

.DISCUSSION...AN UPPER LEVEL TROUGH WILL REMAIN OVER THE REGION
THURSDAY. MOST LOCATIONS WILL EXPERIENCE A CHILLY START WITH
TEMPERATURES EXPECTED TO DROP BELOW FREEZING INTO THE UPPER
20S THURSDAY MORNING...THUS A FREEZE WARNING IS IN EFFECT.
WESTERLY SURFACE WINDS WILL CONTINUE ON THURSDAY ALTHOUGH NOT AS
STRONG AS TODAY SINCE THE SURFACE PRESSURE GRADIENT WILL SLACKEN A
BIT. EXPECT SURFACE WINDS BETWEEN 5 TO 15 MPH FROM THE WEST ON
THURSDAY WITH THE UPPER END OF THAT RANGE EXPECTED DURING THE
AFTERNOON HOURS. MIXING HEIGHTS AROUND IGNITION TIME WILL BE
AROUND 1200 FT AGL WITH MAX MIXING HEIGHTS FOR THE DAY AROUND 2 TO
2.5 KFT. RIGHT NOW IT LOOKS LIKE MINIMUM RELATIVE HUMIDITIES WILL
BOTTOM OUT IN THE LOWER 30 PERCENT RANGE FOR THURSDAY AFTERNOON ALTHOUGH
THAT MAY NEED TO BE ADJUSTED DOWNWARD IN COMING FORECAST UPDATES.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....MAX 50.
MIN HUMIDITY........MIN 42 PERCENT.
20-FOOT WINDS.......WEST WINDS 7 TO 14 MPH.
MIXING HEIGHT.......300-2100 FT AGL INCREASING TO 2000-2400 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 9 TO 18 MPH INCREASING TO 17 TO 26
                    MPH.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........11     16     19     22     22     20
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............34     38     43     47     50     48
RH..............69     64     55     45     42     45
20 FT WIND......W 6    NW 7   NW 12  W 14   W 14   W 12
20 FT WIND GUST.15     15     20     20     25     20

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....MIN 30.
MAX HUMIDITY........MAX 75 PERCENT.
20-FOOT WINDS.......WEST WINDS 5 TO 7 MPH.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........12     12     12     12     15     18
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............41     38     36     35     34     33
RH..............55     62     66     66     68     69
20 FT WIND......W 7    W 5    W 5    W 5    W 5    W 5
20 FT WIND GUST.15     10     10     10     10

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....43 AT IGNITION...MAX 56.
MIN HUMIDITY........53 PERCENT AT IGNITION...MIN 36 PERCENT.
20-FOOT WINDS.......WINDS WEST AT 8 MPH AT IGNITION...OTHERWISE
                    LIGHT WINDS BECOMING WEST 6 TO 9 MPH.
MIXING HEIGHT.......1200 FT AGL AT IGNITION...OTHERWISE 100-1900 FT
                    AGL INCREASING TO 600-2300 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 7 TO 16 MPH INCREASING TO 17 TO 22
                    MPH IN THE AFTERNOON...THEN SHIFTING TO THE
                    WEST AROUND 12 MPH IN THE EVENING.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........20     20     20     20     17     20
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............32     39     47     53     55     52
RH..............75     59     45     38     36     43
20 FT WIND......W 4    W 6    W 8    W 9    W 9    W 8
20 FT WIND GUST.5      10     15     15     15     15

$$
FORECASTER...A.SCHOETTMER
REQUESTED BY...JEREMY KOLAKS
TYPE OF REQUEST...PRESCRIBED
.TAG 20121101.U38__.01/LMK