FNUS71 KCTP 132024 FWSCTP SPOT FORECAST FOR S-290 TEST...NWS CTP NATIONAL WEATHER SERVICE STATE COLLEGE PA 324 PM EST WED FEB 13 2013 FORECAST IS BASED ON IGNITION TIME OF 1535 EST ON FEBRUARY 13. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE IN STATE COLLEGE. .DISCUSSION... LOW PRESSURE WILL TRACK ACROSS THE DEL MARVA REGION THIS EVENING. LIGHT SNOW OR RAIN WILL DEVELOP ACROSS SOUTHERN PENNSYLVANIA DURING THE LATE AFTERNOON HOURS...AND SPREAD NORTHWARD TOWARD INTERSTATE 80 EARLY THIS EVENING. THE PRECIPITATION WILL CHANGE OVER TO ALL SNOW EARLY TONIGHT BEFORE TAPERING OFF. HIGH PRESSURE WILL RETURN WITH MORE TRANQUIL CONDITIONS FOR THE REST OF THURSDAY INTO THURSDAY NIGHT...BEFORE A SIGNIFICANT PATTERN CHANGE BRINGS ANOTHER CHANCE FOR LIGHT SNOW FOLLOWED BY MUCH COLDER AIR FOR THE UPCOMING WEEKEND. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. RAIN AND SNOW IN THE EVENING...THEN A CHANCE OF SNOW AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 27. MAX HUMIDITY........91 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS. LAL.................NO TSTMS. MIXING HEIGHT.......600-2500 FT AGL...DECREASING TO 500 FT AGL LATE. TRANSPORT WINDS.....NORTHWEST 3 TO 10 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).............98 100 100 100 100 98 93 91 86 78 74 68 WEATHER COV.........DEF DEF DEF DEF CHC CHC CHC WEATHER TYPE........RN RS RS RS SN SN SN TSTM COV............ TEMP................37 36 35 34 33 32 31 30 30 29 28 28 RH..................71 75 78 81 83 85 86 87 88 89 90 91 20 FT WIND DIR......E NE NE N NW NW NW NW W W W W 20 FT WIND SPD......1 1 1 1 2 2 2 2 2 2 2 2 20 FT WIND GUST.....5 5 5 5 5 5 5 5 5 5 5 MIX HGT (KFT).......2.5 1.8 1.6 1.5 1.4 1.2 1.0 0.9 0.8 0.7 0.6 0.5 TRANSP WIND DIR.....E NE N N NW NW NW NW NW NW NW NW TRANSP WIND SPD.....5 5 3 3 5 7 9 10 10 9 9 9 LAL.................1 1 1 1 1 1 1 1 1 1 1 1 HAINES INDEX........3 3 3 3 3 3 3 4 4 4 5 5 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY...THEN BECOMING MOSTLY CLOUDY. MAX TEMPERATURE.....AROUND 44. MIN HUMIDITY........51 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 5 TO 8 MPH LATE IN THE MORNING. LAL.................NO TSTMS. MIXING HEIGHT.......400-1600 FT AGL...INCREASING TO 4100-6000 FT AGL. TRANSPORT WINDS.....SOUTHWEST 9 TO 17 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............56 51 43 28 21 28 42 49 53 61 68 76 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................28 27 28 31 34 37 39 41 43 44 44 42 RH..................92 92 84 76 67 61 57 53 51 51 53 56 20 FT WIND DIR......W W W W W W SW SW SW SW SW SW 20 FT WIND SPD......2 2 2 3 3 5 5 6 7 8 8 8 20 FT WIND GUST.....5 5 5 5 5 10 10 10 10 10 MIX HGT (KFT).......0.4 0.6 1.0 1.6 2.4 3.3 4.3 5.0 5.7 6.0 5.7 4.1 TRANSP WIND DIR.....W W W W W W W W W SW SW SW TRANSP WIND SPD.....9 10 12 14 15 15 15 15 16 17 17 15 LAL.................1 1 1 1 1 1 1 1 1 1 1 1 HAINES INDEX........5 5 5 5 5 5 5 4 4 4 4 4 $$ FORECASTER...LAMBERT REQUESTED BY...BILL GARTNER TYPE OF REQUEST...PRESCRIBED .TAG 20130213.S290T.04/CTP