FNUS73 KLMK 202314
FWSLMK

SPOT FORECAST FOR CRYSTAL CAVE 2...NPS
NATIONAL WEATHER SERVICE LOUISVILLE KY
714 PM EDT TUE MAR 20 2012

FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MARCH 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE AT THE SURFACE AND ALOFT WILL HOLD SWAY ACROSS THE
REGION TONIGHT AND WEDNESDAY. CLEAR TO PARTLY CLOUDY SKIES ARE
EXPECTED OVERNIGHT WITH LOWS AT THE SPOT SITE DROPPING INTO THE
LOWER 60S WITH MAX RELATIVE HUMIDITY VALUES TOPPING OUT BETWEEN 75
AND 80 PERCENT. VERY LIGHT SOUTHEASTERLY WINDS ARE EXPECTED DURING
THE OVERNIGHT HOURS. MOSTLY SUNNY CONDITIONS ARE EXPECTED FOR
WEDNESDAY WITH AFTERNOON HIGHS TOPPING OUT IN THE LOWER-MIDDLE
80S. AFTERNOON RELATIVE HUMIDITY VALUES WILL LIKELY DROP INTO THE
35 TO 45 PERCENT RANGE.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....MIN 63.
MAX HUMIDITY........MAX 78 PERCENT.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH
                    AFTER MIDNIGHT...THEN BECOMING LIGHT EARLY IN
                    THE MORNING.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........26     28     29     32     32     33
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............81     75     71     67     65     64
RH..............46     54     63     70     75     77
20 FT WIND......SE 4   SE 4   SE 4   SE 5   SE 5   SE 4
20 FT WIND GUST.10     10     10     10     10     10

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....69 AT IGNITION...MAX 84.
MIN HUMIDITY........68 PERCENT AT IGNITION...MIN 37 PERCENT.
20-FOOT WINDS.......WINDS SOUTHEAST AT 7 MPH AT
                    IGNITION...OTHERWISE LIGHT WINDS BECOMING
                    SOUTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......2100 FT AGL AT IGNITION...OTHERWISE 200-2100 FT
                    AGL INCREASING TO 3100-4200 FT AGL THROUGH
                    MIDDAY...THEN INCREASING TO 5100-6400 FT AGL IN
                    THE AFTERNOON DECREASING TO 3700 FT AGL IN THE
                    EVENING.
TRANSPORT WINDS.....SOUTH 8 TO 17 MPH SHIFTING TO THE SOUTHEAST IN
                    THE EVENING.

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........33  34  35  37  38  39  40  39  37  36  34  32
WEATHER COV.....
WEATHER TYPE....
TEMP............63  66  69  73  76  78  80  82  84  84  82  79
RH..............78  73  68  59  54  48  44  40  37  37  40  45
20 FT WIND DIR..SE  SE  SE  S   S   S   S   S   S   SE  SE  SE
20 FT WIND SPD..4   5   6   8   9   9   9   9   10  9   8   5
20 FT WIND GUST.10  10  15  15  15  15  15  15  15  15  15  10

$$
FORECASTER...MJ
REQUESTED BY...DREW PAGE
TYPE OF REQUEST...PRESCRIBED
.TAG 20120321.CRYST.01/LMK