####018006587#### FNUS71 KAKQ 250817 FWSAKQ Spot Forecast for Sparr RX...Maryland DNR Forest Service National Weather Service Wakefield VA 417 AM EDT Thu Apr 25 2024 Forecast is based on ignition time of 0700 EDT on April 25. If conditions become unrepresentative...contact the National Weather Service at 757-899-5734. .DISCUSSION... High pressure builds north of the area today, sliding offshore later this week. Some passing showers possible this morning, with partial clearing this afternoon. Winds remain northeast 10 to 12 mph today with afternoon minumum relative humidity values remaining relatively high (~60%) with persistent onshore flow. .TODAY... Sky/weather.........Partly sunny (50-60 percent). Slight chance of rain showers early in the morning. Chance of pcpn......20 percent. Max temperature.....Around 56. Min humidity........59 percent. Wind (20 ft)........Northeast winds 9 to 12 mph. Mixing height.......2900 ft AGL. Transport winds.....Northeast 17 to 25 mph. Smoke dispersal.....Fair (16400 knot-ft) early in the morning increasing to good (49400 knot-ft) in the afternoon. LVORI...............3. ADI.................15 early in the morning increasing to 62 in the afternoon. Haines Index........2 to 3 or very low potential for large plume dominated fire growth. TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........36 38 41 41 43 46 49 50 54 55 51 Weather cov.....SCH SCH SCH SCH Weather type....RW RW RW RW Tstm cov........ Chc of pcpn (%).10 20 20 20 10 10 10 0 0 0 0 Temp............49 49 51 52 54 55 54 54 54 53 52 RH..............83 80 74 69 61 59 61 61 59 61 63 20 FT wind dir..NE NE NE NE NE NE NE NE NE E E 20 FT wind spd..10 11 12 12 12 12 11 11 11 11 11 20 FT wind gust.16 19 19 19 19 19 19 19 18 18 18 Mix hgt (kft)...1.2 2.0 2.1 2.2 2.3 2.5 2.7 2.9 2.8 2.7 2.6 Transp wind dir.NE NE NE NE NE NE NE NE NE NE NE Transp wind spd.24 25 24 23 21 20 20 20 18 18 17 LVORI...........3 3 3 1 1 1 1 1 1 1 1 ADI.............39 62 62 61 57 57 59 62 43 42 38 Haines index....2 2 2 2 2 2 2 2 2 2 2 Vrate kt-ft/1K..26 44 44 45 42 43 46 49 45 43 39 Ventrate Cat....PR FR FR FR FR FR FR FR FR FR PR .TONIGHT... Sky/weather.........Partly cloudy (30-40 percent). Chance of pcpn......0 percent. Min temperature.....Around 39. Max humidity........92 percent. Wind (20 ft)........Northeast winds 5 to 10 mph. Mixing height.......500 ft AGL. Transport winds.....Northeast 9 to 17 mph. Smoke dispersal.....Good (33200 knot-ft) early in the evening decreasing to poor (4100 knot-ft) late in the night. LVORI...............3. ADI.................46 early in the evening decreasing to 4 late in the night. Haines Index........2 or very low potential for large plume dominated fire growth. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........46 42 36 30 26 25 28 36 44 48 48 44 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............51 49 47 48 46 46 45 44 43 43 42 41 RH..............63 74 76 74 79 76 82 86 86 86 89 89 20 FT wind dir..E E E E E E E NE NE NE NE NE 20 FT wind spd..10 9 8 7 7 6 6 5 5 5 5 5 20 FT wind gust.15 14 14 12 11 9 9 7 7 7 8 8 Mix hgt (kft)...2.2 1.8 1.5 1.0 0.9 0.8 0.7 0.6 0.5 0.5 0.5 0.5 Transp wind dir.NE NE NE NE NE NE NE NE NE NE NE NE Transp wind spd.17 16 15 14 13 12 10 9 9 10 12 13 LVORI...........1 3 4 3 4 4 4 5 4 4 5 5 ADI.............46 18 10 9 8 5 5 4 6 7 7 8 Haines index....2 2 2 2 2 2 2 2 2 2 2 2 Vrate kt-ft/1K..33 26 19 13 10 8 6 5 4 4 5 6 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR .FRIDAY... Sky/weather.........Sunny (15-25 percent). Chance of pcpn......0 percent. Max temperature.....Around 60. Min humidity........37 percent. Wind (20 ft)........East winds 6 to 10 mph. Mixing height.......3900 ft AGL. Transport winds.....East 12 to 15 mph. Smoke dispersal.....Poor (8200 knot-ft) early in the morning increasing to good (40500 knot-ft) in the afternoon. LVORI...............4. ADI.................6 early in the morning increasing to 48 in the afternoon. Haines Index........2 or very low potential for large plume dominated fire growth. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........37 20 12 7 3 1 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 Temp............41 43 49 55 58 60 RH..............92 89 63 47 40 37 20 ft wind......NE 6 NE 7 E 9 E 10 E 10 E 9 20 ft wind gust.9 12 14 16 18 15 Mix hgt (ft)....700 1400 2600 3500 3900 3400 Transport wind..NE 14 E 15 E 15 E 14 E 12 E 12 LVORI...........6 4 1 1 1 1 ADI.............6 26 48 46 44 48 Haines index....2 2 2 2 2 2 Vrate kt-ft/1K..8 17 33 40 40 34 Ventrate Cat....POOR POOR POOR FAIR FAIR POOR $$ Forecaster...MONTEFUSCO Requested by...Ryan Galligan Type of request...PRESCRIBED .TAG 2412271.0/AKQ .DELDT 04/25/24 .FormatterVersion 2.0.0 .EMAIL ryan.galligan@maryland.gov