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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 801 PM EDT Fri Oct 17 2025 VAZ018-180800- RAWS 444002 37.56N 80.18W Elev. 2702 ft 801 PM EDT Fri Oct 17 2025 Date 10/17/25 Sat 10/18/25 Sun 10/19/25 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 47 77 56 73 45 TEMP 52 49 48 48 64 75 77 67 60 60 57 56 67 71 64 55 51 49 47 46 DEWPT 37 38 38 41 47 52 54 56 56 54 54 53 57 58 58 51 43 41 39 37 MIN/MAX RH 75 43 92 62 86 RH 56 66 68 77 54 45 45 68 87 81 90 90 70 63 81 86 74 74 74 71 WIND DIR SW W W W W SW S SE S S S S S S S W W W W W WIND SPD 2 1 2 2 3 4 4 3 2 3 4 5 12 13 13 11 12 12 11 10 WIND GUST 14 18 28 29 31 29 33 33 32 29 CLOUDS SC B1 B1 SC FW FW FW FW SC SC B1 B1 B2 B2 B2 B1 B1 SC SC SC CLOUDS(%) 36 68 60 30 19 15 8 14 34 47 55 57 72 86 86 64 61 46 38 31 VSBY 10 10 10 10 10 10 10 10 10 10 10 10 POP 12HR 0 0 5 80 40 RAIN SHWRS SC SC O O SC SC IS IS MIX HGT <1 <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 3 4 2 2 T WIND DIR SE NW NW NW W W SW S S S S S S S SW W T WIND SPD 2 1 2 2 10 9 8 4 4 3 3 4 19 28 24 19 DISPERSION VP VP VP VP VP VP VP FR FR FR FR ADI 1 1 1 2 21 44 35 2 2 2 2 5 45 78 51 22 MAX LVORI 3 3 3 3 2 1 1 5 5 5 6 6 3 1 3 4 STABILITY F F F B B B B G G F E D D D D D CEILING None None None None None None 1000 1600 2800 STA PRES 27.78 27.79 27.80 27.76 27.75 27.69 27.62 27.57 Date 10/20Tue 10/21/25Wed 10/22/25Thu 10/23/25Fri 10/24/25 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 65 42 70 43 58 37 64 43 63 TEMP 61 52 45 43 69 53 48 43 58 46 42 39 62 53 46 44 63 49 DEWPT 38 37 34 34 45 42 37 34 37 36 35 34 39 39 38 39 43 41 RH 42 56 65 70 42 66 65 70 45 68 76 82 43 59 73 82 48 74 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW CL CL FW FW FW FW SC SC FW FW FW SC SC SC SC SC SC POP 12HR 5 0 10 10 0 5 5 10 10 $$ 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