365 FNUS71 KAKQ 110911 FWSAKQ Spot Forecast for Antioch Pines units 2/3...DCR National Weather Service Wakefield VA 511 AM EDT Thu Apr 11 2019 Forecast is based on ignition time of 0600 EDT on April 11. If conditions become unrepresentative...contact the National Weather Service at 757-899-5734. .DISCUSSION... High pressure will become centered over New England this morning and will move to a position off the mid Atlantic coast this afternoon. A light easterly flow will prevail early this morning, shifting to the southeast by late morning. .TODAY... Sky/weather.........Mostly sunny (15-35 percent). Chance of pcpn......0 percent. Max temperature.....Around 74. Min humidity........39 percent. Wind (20 ft)........Light winds becoming southeast 5 to 7 mph late in the morning. Mixing height.......3800 ft AGL. Transport winds.....Southeast 5 to 10 mph. Smoke dispersal.....Poor (600 knot-ft) early in the morning increasing to good (34600 knot-ft) in the afternoon. LVORI...............4. ADI.................4 increasing to 37. Haines Index........3 to 5 or very low to moderate potential for large plume dominated fire growth. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........0 5 5 14 16 18 18 20 25 30 35 34 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............45 45 49 57 62 66 68 70 72 72 73 72 RH..............85 87 76 63 54 47 44 42 41 40 41 43 20 FT wind dir..E E E E E SE SE SE SE SE SE SE 20 FT wind spd..1 1 1 2 4 5 6 6 6 6 6 6 20 FT wind gust.1 2 4 6 7 9 9 10 10 10 8 Mix hgt (kft)...0.3 0.3 0.3 1.0 1.7 2.5 2.9 3.2 3.6 3.7 3.7 3.8 Transp wind dir.E NE NE E SE SE SE S S S SE SE Transp wind spd.3 3 3 5 7 8 9 9 9 9 10 10 LVORI...........4 6 3 3 2 2 2 2 1 1 1 1 ADI.............1 3 4 7 15 25 28 31 32 35 37 38 Haines index....5 4 4 4 4 4 4 4 4 4 4 3 Vrate kt-ft/1K..1 1 1 4 11 19 23 26 29 31 33 35 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR .TONIGHT... Sky/weather.........Partly cloudy (35-45 percent). Chance of pcpn......0 percent. Min temperature.....Around 55. Max humidity........93 percent. Wind (20 ft)........Southeast winds 5 to 7 mph. Mixing height.......300 ft AGL. Transport winds.....Southeast 6 to 10 mph. Smoke dispersal.....Fair (23900 knot-ft) early in the evening decreasing to poor (1300 knot-ft) late in the night. LVORI...............4. ADI.................30 decreasing to 7. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........39 44 41 41 44 41 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 Temp............71 65 62 59 58 57 RH..............46 54 62 72 80 83 20 ft wind......SE 6 SE 6 SE 6 SE 6 SE 6 SE 6 20 ft wind gust.10 10 10 8 8 8 Mix hgt (ft)....2800 700 400 300 300 300 Transport wind..SE 10 SE 8 SE 8 SE 8 S 7 SE 6 LVORI...........2 2 3 3 4 5 ADI.............30 7 7 5 5 4 Haines index....3 4 4 4 4 4 Vrate kt-ft/1K..24 5 3 2 2 1 Ventrate Cat....POOR POOR POOR POOR POOR POOR .FRIDAY... Sky/weather.........Partly sunny (50-60 percent). Chance of pcpn......10 percent. Max temperature.....Around 77. Min humidity........50 percent. Wind (20 ft)........South winds 7 to 13 mph. Gusts up to 23 mph in the late morning and afternoon. Mixing height.......3900 ft AGL. Transport winds.....Southeast 7 to 16 mph increasing to south 23 to 29 mph in the late morning and afternoon. Smoke dispersal.....Poor (1400 knot-ft) early in the morning increasing to excellent (92900 knot-ft) in the afternoon. LVORI...............4. ADI.................7 increasing to 75. Haines Index........4 to 5 or low to moderate potential for large plume dominated fire growth. TIME (EDT) 6 AM 10 AM 2 PM Sky (%).........43 46 54 Weather cov..... Weather type....NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 10 10 Temp............57 66 75 RH..............83 70 54 20 FT wind......SE 6G10 S 10G16 S 12G18 Mix hgt (ft)....300 1900 3900 Transport wind..SE 7 S 23 S 26 LVORI...........5 3 1 ADI.............6 42 74 Haines index....4 4 5 Vrate kt-ft/1K..1 37 91 Ventrate Cat....POOR POOR GOOD $$ Forecaster...BROWN Requested by...Rebecca Wilson Type of request...PRESCRIBED .TAG 1905943.0/AKQ .DELDT 04/11/19 .FormatterVersion 1.0.26 .EMAIL rebecca.wilson@dcr.virginia.gov