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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 1131 PM EDT Fri Aug 15 2025 WVZ043-160800- RAWS 465401 37.53N 81.00W Elev. 2725 ft 1131 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 65 84 65 84 67 TEMP 67 65 67 77 82 82 76 70 67 65 67 78 82 82 76 71 69 68 68 DEWPT 64 64 66 68 66 65 66 65 65 64 65 67 66 67 68 68 68 67 67 MIN/MAX RH 96 55 97 57 99 RH 90 97 97 74 58 56 71 84 93 97 93 69 58 61 76 90 97 97 97 WIND DIR NE NE E E E N E S S SW SW NW NW NW NW NW NW NW NW WIND SPD 1 1 1 2 2 3 2 1 1 1 1 2 5 5 3 2 1 1 2 CLOUDS FW SC SC SC SC SC SC FW FW FW FW FW SC SC SC FW SC SC SC CLOUDS(%) 15 28 42 33 42 36 31 14 14 24 23 23 38 32 30 25 30 39 31 VSBY 9 5 7 10 10 10 10 10 8 5 9 10 10 10 10 10 7 5 POP 12HR 5 10 5 10 10 Obvis PF PF MIX HGT <1 <1 <1 3 5 5 <1 <1 <1 <1 <1 4 5 5 <1 T WIND DIR N N N E N N NE E SE SE N NW NW NW N T WIND SPD 2 1 0 2 1 2 1 2 2 1 0 5 5 6 1 DISPERSION VP VP VP VP VP VP VP VP VP VP ADI 1 1 0 10 8 15 1 1 1 1 0 30 38 43 1 MAX LVORI 6 9 9 4 3 2 4 5 7 9 8 3 1 1 4 STABILITY G G A A A A G G G G A A A A G CEILING None None None None None None None None STA PRES 27.81 27.80 27.74 27.72 27.69 27.69 27.65 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 86 66 84 66 79 65 75 62 73 TEMP 82 76 69 68 82 74 68 67 77 71 66 65 72 68 64 63 72 67 DEWPT 67 68 67 67 68 69 68 67 68 68 65 65 64 63 61 62 63 62 RH 61 76 93 97 63 84100100 74 90 97100 76 84 90 97 73 84 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC FW FW SC SC SC B1 B2 B1 B1 B2 B2 B1 B1 B1 B2 B2 POP 12HR 20 20 30 40 60 50 40 20 30 RAIN SHWRS IS IS SC SC IS SC NM SC IS SC SC IS SC SC TSTMS IS IS SC SC IS SC IS SC SC $$ 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