FNUS74 KLZK 082319 FWSLZK SPOT FORECAST FOR OPAL...USDA FOREST SERVICE NATIONAL WEATHER SERVICE LITTLE ROCK AR 619 PM CDT MON AUG 8 2011 FORECAST IS BASED ON REQUEST TIME OF 1727 CDT ON AUGUST 08. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT TUESDAY... .DISCUSSION... SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS CENTRAL AND NORTHERN ARKANSAS THROUGH THE REMAINDER OF THIS AFTERNOON. THE SOUTHWEST WILL REMAIN DRY. OVERNIGHT SOME THUNDERSTORMS ARE EXPECTED TO AFFECT THE NORTHERN PARTS OF THE FORECAST AREA. TOMORROW MARKS THE LAST DAY OF OPPRESSIVE HEAT. HIGHS ABOVE 100 DEGREES...WITH AFTERNOON RH VALUES IN THE UPPER 20S TO LOW 30 PERCENT RANGE ARE EXPECTED AGAIN ACROSS THE SOUTH AND SOUTHWEST. MORE SCATTERED STORMS...MUCH LIKE TODAY...WILL AFFECT CENTRAL AND NORTHERN PARTS OF THE FORECAST AREA. BY WEDNESDAY HOWEVER THE PATTERN WILL CHANGE...AND AFTERNOON HIGHS WILL RETURN TO NORMAL LEVELS THROUGH THE END OF THE WEEK. RAIN CHANCES WILL INCREASE TO 30-40 PERCENT ACROSS THE FORECAST AREA LATE THIS WEEK. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. TEMPERATURE.........101 AT REQUEST...MIN 77. RH..................28 PERCENT AT REQUEST...MAX 74 PERCENT. CHANCE OF PCPN......20 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS. STABILITY CLASS.....6. 20-FOOT WINDS.......WINDS SOUTHWEST AT 4 MPH AT REQUEST...OTHERWISE SOUTHWEST WINDS 5 TO 7 MPH IN THE EVENING BECOMING LIGHT. TRANSPORT WINDS........SOUTHWEST 8 TO 17 MPH DECREASING TO AROUND 7 MPH LATE IN THE NIGHT. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........PC PC PC PC PC PC PC PC PC PC PC PC WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH WEATHER TYPE....TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TEMP............101 98 94 91 88 86 85 83 82 82 81 80 RH..............28 32 37 43 50 53 57 61 64 67 69 72 20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW 20 FT WIND SPD..7 7 7 7 6 5 3 3 3 2 2 2 20 FT WIND GUST.5 5 5 5 5 5 5 5 5 5 5 5 EYE LVL WND DIR.SW SW SW SW SW SW SW SW SW SW SW SW EYE LVL WND SPD.4 4 4 4 4 3 2 2 2 1 1 1 EYE LVL WND GST.3 3 3 3 3 3 3 3 3 3 3 3 TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW TRANSP WIND SPD.17 17 16 15 14 13 12 10 9 9 8 7 CHC OF PCPN (%).20 20 20 20 20 20 20 20 20 20 20 20 .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. TEMPERATURE.........MAX 101. RH..................MIN 36 PERCENT. CHANCE OF PCPN......20 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST 5 TO 7 MPH IN THE LATE MORNING AND AFTERNOON. STABILITY CLASS.....1. 20-FOOT WINDS.......LIGHT WINDS BECOMING WEST 5 TO 9 MPH EARLY IN THE MORNING. TRANSPORT WINDS........NORTHWEST 7 TO 13 MPH. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........PC PC PC PC PC PC PC PC PC PC PC PC WEATHER COV.....SCH SCH SCH SCH SCH SCH WEATHER TYPE....TSM TSM TSM TSM TSM TSM TEMP............79 79 83 87 90 93 96 98 99 99 99 98 RH..............74 73 66 58 51 45 41 37 36 36 36 37 20 FT WIND DIR..SW SW SW SW SW SW SW W W W W W 20 FT WIND SPD..2 3 5 7 7 8 9 9 9 9 9 8 20 FT WIND GUST.5 5 5 10 10 10 10 10 10 10 10 10 EYE LVL WND DIR.SW SW SW SW SW SW SW W W W W W EYE LVL WND SPD.1 2 3 4 4 5 5 5 5 5 5 5 EYE LVL WND GST.3 3 3 5 5 5 5 5 5 5 5 5 TRANSP WIND DIR.SW SW SW SW SW W W W W NW NW NW TRANSP WIND SPD.7 7 8 9 9 10 12 13 13 12 12 10 CHC OF PCPN (%).20 10 10 10 10 10 10 20 20 20 20 20 $$ FORECASTER...B SMITH REQUESTED BY...AOICC TYPE OF REQUEST...WILDFIRE .TAG 20110808.OPAL_.01/LZK