FNUS73 KLMK 210840 FWSLMK SPOT FORECAST FOR CRYSTAL CAVE 2...NPS NATIONAL WEATHER SERVICE LOUISVILLE KY 440 AM EDT WED MAR 21 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 ON FOR ONE MORE DAY...BRINGING CONTINUED HOT AND DRY CONDITIONS. A HIGH TEMPERATURE IN THE 83-86 DEGREE RANGE COMBINED WITH DEW POINTS IN THE MID 50S AT PEAK HEATING WILL ALLOW FOR MINIMUM RELATIVE HUMIDITY VALUES AROUND 36 PERCENT. OTHERWISE...EXPECT WINDS OUT OF THE SOUTH-SOUTHEAST AROUND 10 MPH WITH A FEW GUSTS AROUND 20 MPH THIS AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....69 AT IGNITION...MAX 84. MIN HUMIDITY........68 PERCENT AT IGNITION...MIN 36 PERCENT. 20-FOOT WINDS.......WINDS SOUTH AT 6 MPH AT IGNITION...OTHERWISE SOUTHEAST WINDS 8 TO 13 MPH. MIXING HEIGHT.......2000 FT AGL AT IGNITION...INCREASING TO 3000-4800 FT AGL THROUGH MIDDAY...THEN INCREASING TO 5700-6600 FT AGL IN THE AFTERNOON DECREASING TO 4500 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTH 8 TO 16 MPH INCREASING TO 20 TO 25 MPH...THEN SHIFTING TO THE SOUTHEAST AROUND 13 MPH IN THE EVENING. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........20 25 35 35 34 33 32 31 31 31 WEATHER COV..... WEATHER TYPE.... TEMP............69 74 77 80 82 83 83 83 81 80 RH..............68 59 54 47 43 38 37 36 39 41 20 FT WIND DIR..S S S S S S S S SE SE 20 FT WIND SPD..7 8 9 9 9 10 10 10 8 6 20 FT WIND GUST.8 12 15 18 20 22 19 16 15 10 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. MIN TEMPERATURE.....MIN 64. MAX HUMIDITY........MAX 81 PERCENT. 20-FOOT WINDS.......SOUTHEAST WINDS AROUND 5 MPH IN THE EVENING BECOMING LIGHT...THEN BECOMING SOUTHEAST AROUND 5 MPH TOWARD MORNING BECOMING LIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........31 34 38 41 44 48 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............78 74 72 69 66 65 RH..............45 51 57 63 69 73 20 FT WIND......SE 5 SE 4 SE 4 SE 4 SE 5 SE 4 20 FT WIND GUST.10 5 5 5 10 5 .THURSDAY... SKY/WEATHER.........PARTLY SUNNY THEN BECOMING CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....MAX 79. MIN HUMIDITY........MIN 52 PERCENT. 20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH 6 TO 9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......300-2200 FT AGL INCREASING TO 3100-5000 FT AGL THROUGH MIDDAY...THEN INCREASING TO 4900-6700 FT AGL IN THE AFTERNOON DECREASING TO 3100 FT AGL IN THE EVENING. TRANSPORT WINDS.....SOUTH 10 TO 17 MPH SHIFTING TO THE SOUTHWEST 14 TO 22 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........52 58 65 71 77 84 WEATHER COV..... ISOLTD SCTTRD SCTTRD SCTTRD WEATHER TYPE....NONE NONE RNSHWR RNSHWR RNSHWR RNSHWR TEMP............64 68 74 78 79 78 RH..............78 73 62 54 52 52 20 FT WIND......SE 4 SE 6 S 9 S 9 S 9 S 8 20 FT WIND GUST.5 10 15 15 15 15 $$ FORECASTER...B.SCHOETTMER REQUESTED BY...DREW PAGE TYPE OF REQUEST...PRESCRIBED .TAG 20120321.CRYST.01/LMK