FNUS71 KAKQ 181304 FWSAKQ SPOT FORECAST FOR MARUMSCO...MD FOREST SERVICE NATIONAL WEATHER SERVICE WAKEFIELD VA 904 AM EDT THU APR 18 2013 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A WEAK BOUNDARY WILL SLOWLY LIFT BACK NORTH AS A WARM FRONT LATER TODAY...AS HIGH PRESSURE SLIDES OFF THE NEW ENGLAND COAST. A STRONG COLD FRONT WILL APPROACH FROM THE WEST ON FRIDAY AND MOVE ACROSS THE MID ATLANTIC FRIDAY NIGHT...BRINGING WIDESPREAD RAIN TO THE REGION FRIDAY NIGHT. HIGH PRESSURE BUILDS ACROSS THE NORTHEAST STATES OVER THE WEEKEND...BRINGING MUCH COOLER AND DRY WEATHER TO THE AREA. .TODAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT)...THEN BECOMING PARTLY SUNNY (50-60 PERCENT). MAX TEMPERATURE.....AROUND 71. MIN HUMIDITY........60 PERCENT. WIND (20FT/2MIN)....SOUTHEAST WINDS 7 TO 10 MPH. CHANCE OF PCPN......10 PERCENT. MIXING HEIGHT.......300-1700 FT AGL. TRANSPORT WINDS.....SOUTHEAST 15 TO 17 MPH. HAINES INDEX........2 TO 3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............85 85 59 59 59 47 47 47 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................62 64 65 67 68 69 69 70 RH..................81 78 75 70 68 68 66 63 CHC OF PCPN (%).....10 10 10 10 10 10 10 10 MIX HGT (KFT).......1.1 1.4 1.5 1.6 1.7 1.7 1.7 1.7 20 FT WIND DIR......SE SE SE SE SE SE SE SE 20 FT WIND SPD......8 8 9 9 10 10 10 10 20 FT WIND GUST.....15 15 15 15 15 20 20 20 TRANSP WIND DIR.....SE SE SE SE SE SE SE SE TRANSP WIND SPD.....16 16 16 15 15 16 16 17 VRATE KT-FT/1000....15 20 21 21 22 23 25 26 LVORI...............3 3 3 3 3 3 3 3 ADI.................22 26 26 26 26 27 29 31 HAINES INDEX........3 3 3 2 2 2 3 3 .TONIGHT... CHANCE OF PCPN......10 PERCENT. MIXING HEIGHT.......300-1200 FT AGL. TRANSPORT WINDS.....SOUTH 12 TO 18 MPH. HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM CHC OF PCPN (%).....10 10 10 10 10 10 10 10 10 10 10 10 MIX HGT (KFT).......1.2 0.7 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 TRANSP WIND DIR.....SE SE SE SE SE S S S S S S S TRANSP WIND SPD.....18 18 18 17 15 14 13 13 13 12 12 13 VRATE KT-FT/1000....19 12 4 4 3 3 3 3 3 3 3 3 LVORI...............3 4 4 5 5 5 5 5 4 5 5 5 ADI.................16 13 12 12 10 9 9 11 11 11 10 11 HAINES INDEX........4 4 5 5 4 4 4 4 4 4 4 4 .FRIDAY... CHANCE OF PCPN......30 PERCENT. MIXING HEIGHT.......300-2100 FT AGL...INCREASING TO 1100-2300 FT AGL EARLY IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 14 TO 23 MPH...INCREASING TO 28 TO 36 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM CHC OF PCPN (%).....10 10 20 20 20 20 20 20 20 20 20 30 MIX HGT (KFT).......0.3 0.3 0.3 0.7 1.2 1.7 1.9 2.1 2.3 1.9 1.5 1.1 TRANSP WIND DIR.....S S S S S S S S S S S S TRANSP WIND SPD.....14 16 18 23 28 31 33 36 36 36 33 31 VRATE KT-FT/1000....3 3 4 15 29 46 55 64 70 58 44 31 LVORI...............5 5 4 4 3 1 1 1 1 1 1 1 ADI.................15 17 21 25 39 55 63 69 74 66 55 43 HAINES INDEX........4 3 3 3 3 3 3 3 3 3 4 4 FORECASTER...BILLET REQUESTED BY...D KRONNER TYPE OF REQUEST...PRESCRIBED .TAG 20130418.MARUM.01/AKQ