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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 932 PM EDT Fri Aug 15 2025 VAZ024-160800- RAWS 441631 37.63N 79.51W Elev. 865 ft 932 PM EDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 MIN/MAX TEMP 70 90 68 93 70 TEMP 74 72 70 71 82 87 87 79 72 70 68 70 83 90 89 81 75 72 70 72 DEWPT 71 71 70 71 74 71 71 71 70 69 68 69 72 69 69 70 70 69 68 69 MIN/MAX RH 100 57 100 49 95 RH 90 97100100 77 59 59 77 93 97100 97 70 50 52 69 84 90 93 90 WIND DIR NE NE N N E SE SE NE N N N W W NW NW NW NW NW N N WIND SPD 1 1 1 1 1 2 2 1 0 0 0 1 1 2 2 1 1 1 1 2 CLOUDS SC SC B1 B1 SC SC SC SC FW FW FW FW FW SC SC SC FW SC FW FW CLOUDS(%) 36 36 56 53 39 41 27 46 24 23 22 21 20 31 36 33 24 27 25 25 VSBY 10 8 4 5 10 10 10 10 7 8 2 10 9 10 10 10 8 8 5 POP 12HR 10 30 10 10 10 Obvis F F F MIX HGT <1 <1 <1 <1 3 5 4 <1 <1 <1 <1 <1 3 6 6 <1 T WIND DIR NE N N E E NE NE SE SE NE N N W NW NW NE T WIND SPD 2 2 2 2 4 2 2 8 3 1 0 0 2 4 3 2 DISPERSION VP VP VP VP VP VP VP VP VP VP VP ADI 1 1 1 2 17 15 12 4 2 1 0 0 9 36 24 1 MAX LVORI 7 10 10 9 3 2 2 4 7 9 10 10 3 1 2 3 STABILITY G G F A A A A F G G G A A A A G CEILING None None None None None None None None STA PRES 28.64 28.63 28.57 28.55 28.52 28.51 28.46 Date 08/18Tue 08/19/25Wed 08/20/25Thu 08/21/25Fri 08/22/25 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 MAX/MIN TEMP 91 69 85 67 84 67 82 64 79 TEMP 89 80 72 70 83 77 70 68 81 74 69 68 79 72 66 64 77 71 DEWPT 69 70 69 70 71 71 68 67 68 68 66 65 65 65 62 63 64 65 RH 52 72 90100 67 82 93 97 65 82 90 90 62 79 87 97 64 81 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC SC B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B2 B2 POP 12HR 30 20 40 40 60 50 40 30 30 RAIN SHWRS SC IS IS SC SC IS IS NM SC SC SC SC SC IS IS SC TSTMS SC IS IS SC SC SC IS IS $$ This product is for planning and review purposes only and is not to be substituted for an official fire weather spot forecast. The data displayed are calculated from a 2.5 by 2.5 km digital database and only approximates weather conditions in highly varying terrain. Please relay any comments you have to the NWS via email at rnk.webmaster@noaa.gov. Below is a weather element key for this product. (Note...winds do not reflect local terrain effects.) DAY 1 THROUGH 3... MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature TEMP(F).............................Air temperature DEWPT(F)............................Dew point temperature MIN/MAX RH OR MAX/MIN RH(%).........Maximum/Minimum humdity RH(%)...............................Relative humidity WIND DIR(8 POINT COMPASS)...........Wind direction WIND SPD(MPH).......................Wind speed CLOUDS(CATEGORY)....................Cloud cover category EXAMPLE: CL = CLEAR; FW = FEW; SC = Scattered; BK = Broken; OV = Overcast CLOUDS(%)...........................Cloud cover as a percentage VSBY................................Visibility value in statute miles POP 12HR(%).........................Probability for accumulating precipitation WEATHER... TYPE... RAIN...........Rain RAIN SHWRS.....Rain showers TSTMS..........Thunderstorms DRIZZLE........Drizzle SNOW...........Snow SNOWSHWRS......Snow showers SLEET..........Sleet FRZG RAIN......Freezing rain FRZG DRZL......Freezing drizzle COVERAGE... IS.............Isolated SC.............Scattered NM.............Numerous O..............Occasional S..............Slight chance C..............Chance L..............Likely WD.............Widespread D..............Definite AR.............Areas PA.............Patchy MIX HGT(THOUSANDS OF FT AGL)........Mixing height Example: 6 = 6000 feet; 12 = 12000 feet; <1 = Less than 1000 foot t WIND DIR(8 POINT COMPASS).........Transport Wind direction T WIND SPD(MPH).....................Transport Wind speed DISPERSION(CATEGORY)................Smoke Dispersion category Values: vp =Very Poor;PR = Poor; FR = Fair; GD = Good; ADI (INDEX).........................Atmospheric Dispersion Index MAX LVORI (INDEX)...................Low Visibility Occurrence Risk Index STABILITY (CATEGORY)................Pasquill Turner Stability CEILING (FT)........................Ceiling STA PRES (INCHES MERCURY)...........Station pressure Day 4 Through 7... MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature TEMP(F).............................Air temperature DEWPT(F)............................Dew Point temperature RH(%)...............................Relative Humidity WIND SPD(MPH).......................Wind Speed Example: <15 = less than 15 MPH; 15> = 15 MPH or greater AVE CLOUDS(CATEGORY)................Average Cloud Cover Category POP 12HR(%).........................Probability for accumulating precipitation WEATHER.............................See Day 1 through 3 weather descriptions