FNUS74 KLZK 241249 FWSLZK SPOT FORECAST FOR CATALPA EAST...USDA FOREST SERVICE NATIONAL WEATHER SERVICE LITTLE ROCK AR 749 AM CDT THU MAR 24 2011 FORECAST IS BASED ON IGNITION TIME OF 0725 CDT ON MARCH 24. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL CONTINUE TO BUILD OVER ARKANSAS TODAY AND GRADUALLY SHIFT EASTWARD TONIGHT AND FRIDAY. A WEAK UPPER LEVEL STORM SYSTEM IS FORECAST TO PASS NORTH OF THE STATE TONIGHT AND FRIDAY...RESULTING IN SMALL CHANCES OF SHOWERS AND THUNDERSTORMS FOR NORTH ARKANSAS. UNSETTLED CONDITIONS WILL CONTINUE INTO THE FIRST HALF OF THE WEEKEND. A WARM FRONT WILL BEGIN LIFTING BACK NORTHWARD FROM THE GULF COAST LATE FRIDAY AND FRIDAY NIGHT. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG AND NORTH OF THE FRONT. MEANWHILE...LOW PRESSURE WILL TRACK EASTWARD ALONG THE FRONT AND KEEP RAIN CHANCES IN THE FORECAST THROUGH SATURDAY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). TEMPERATURE.........45 AT IGNITION...MAX 57. RH..................60 PERCENT AT IGNITION...MIN 36 PERCENT. CHANCE OF PCPN......0 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 5 TO 7 MPH UNTIL LATE AFTERNOON BECOMING LIGHT. TRANSPORT WINDS........NORTH 8 TO 17 MPH DECREASING TO 6 TO 7 MPH LATE IN THE AFTERNOON. MIXING HEIGHT.......BECOMING 3500 FT MSL. STABILITY CLASS.....2. 20-FOOT WINDS.......WINDS NORTH AT 7 MPH AT IGNITION...OTHERWISE NORTHEAST WINDS 5 TO 9 MPH. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR WEATHER COV.....NONE. WEATHER TYPE....NONE. TEMP............44 45 47 49 51 53 54 55 56 56 55 RH..............60 55 52 48 45 42 39 38 37 37 39 20 FT WIND DIR..N N N N N N N N N NE E 20 FT WIND SPD..7 8 9 9 9 8 7 7 6 6 5 20 FT WIND GUST.15 15 15 15 15 15 10 10 10 10 10 EYE LVL WND DIR.N N N N N N N N N NE E EYE LVL WND SPD.4 5 5 5 5 5 4 4 4 4 3 EYE LVL WND GST.8 8 8 8 8 8 5 5 5 5 5 MIX HGT (KFT)... TRANSP WIND DIR.N N N N N N N N N NE E TRANSP WIND SPD.14 15 15 14 13 12 9 8 7 7 6 CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. TEMPERATURE.........MIN 37. RH..................MAX 76 PERCENT. CHANCE OF PCPN......20 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH EARLY IN THE MORNING. TRANSPORT WINDS........SOUTHEAST 6 TO 15 MPH INCREASING TO 15 TO 16 MPH AFTER MIDNIGHT. STABILITY CLASS.....5. 20-FOOT WINDS.......EAST WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT...THEN BECOMING SOUTHEAST 5 TO 7 MPH IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........MCLEAR PCLDY PCLDY MCLDY MCLDY MCLDY WEATHER COV..... CHANCE CHANCE WEATHER TYPE....NONE NONE NONE NONE TSTORM TSTORM TEMP............54 50 46 44 42 41 RH..............39 48 57 63 69 73 20 FT WIND......E 5 E 3 E 5 SE 5 SE 6 SE 6 20 FT WIND GUST.5 5 5 10 10 10 EYE LVL WND DIR.E E E SE SE SE EYE LVL WND SPD.3 2 3 3 4 4 EYE LVL WND GST.3 3 3 5 5 5 TRANSP WIND DIR.E E E SE SE SE TRANSP WIND SPD.6 8 13 15 16 15 CHC OF PCPN (%).0 10 10 10 30 30 .FRIDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. TEMPERATURE.........MAX 58. RH..................MIN 51 PERCENT. CHANCE OF PCPN......30 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 5 TO 7 MPH. TRANSPORT WINDS........SOUTH 10 TO 18 MPH. MIXING HEIGHT.......BECOMING 3700 FT MSL. STABILITY CLASS.....3. 20-FOOT WINDS.......SOUTHEAST WINDS 7 TO 9 MPH. TIME (CDT) 6 AM 9 AM NOON 3 PM SKY (%).........MCLDY MCLDY MCLDY MCLDY WEATHER COV.....CHANCE CHANCE CHANCE S CHC WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TEMP............40 44 52 57 RH..............75 64 54 51 20 FT WIND......SE 7G10 SE 8G15 SE 9G15 S 8G15 EYE LVL WND DIR.SE SE SE S EYE LVL WND SPD.4 5 5 5 EYE LVL WND GST.5 8 8 8 MIX HGT (FT).... TRANSP WIND DIR.SE SE SE S TRANSP WIND SPD.15 17 18 13 CHC OF PCPN (%).30 30 30 20 $$ FORECASTER...M TREXLER REQUESTED BY...DAN MARTIN TYPE OF REQUEST...PRESCRIBED .TAG 20110324.CATAL.01/LZK