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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 802 PM EDT Wed Jul 23 2025 WVZ043-240800- RAWS 465401 37.53N 81.00W Elev. 2725 ft 802 PM EDT Wed Jul 23 2025 Date 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 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 63 86 66 87 68 TEMP 70 67 64 66 76 83 85 79 72 69 67 70 79 83 84 80 74 71 70 71 DEWPT 61 61 61 63 66 65 66 68 67 66 65 66 70 67 69 69 68 67 67 69 MIN/MAX RH 92 51 93 55 100 RH 73 81 90 90 71 55 53 69 84 90 93 87 74 59 61 69 82 87 90 93 WIND DIR S SE SE SE SE S S SE S SW SW SW W W W W W W W W WIND SPD 4 2 3 3 3 3 3 2 2 2 2 2 4 5 5 2 2 2 2 2 CLOUDS CL CL FW FW FW FW FW FW CL FW FW FW FW SC FW FW FW FW FW SC CLOUDS(%) 1 2 12 16 14 13 7 22 5 6 16 18 13 26 19 13 14 19 18 48 VSBY 10 10 8 10 10 10 10 10 10 10 10 10 10 10 10 10 POP 12HR 0 5 0 10 10 MIX HGT <1 <1 <1 <1 2 6 6 <1 <1 <1 <1 <1 5 5 6 <1 T WIND DIR SE S SE SE SW W SW S S S SW W NW W NW NW T WIND SPD 5 4 3 4 8 2 2 5 2 2 3 3 11 9 9 8 DISPERSION VP VP VP VP VP VP VP VP VP VP VP ADI 3 2 2 4 26 16 16 3 1 1 2 3 66 60 63 4 MAX LVORI 3 5 7 6 3 2 2 3 5 7 7 6 3 1 1 3 STABILITY F G G A A A A G G G G A A A A G CEILING None None None None None None None None None STA PRES 27.84 27.85 27.87 27.80 27.79 27.79 27.80 27.75 Date 07/26Sun 07/27/25Mon 07/28/25Tue 07/29/25Wed 07/30/25 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 70 86 70 88 68 89 68 88 TEMP 83 80 73 73 84 80 73 73 85 80 72 72 86 81 72 72 85 80 DEWPT 72 70 70 70 72 71 71 71 69 68 68 68 69 69 69 69 69 69 RH 70 72 90 90 67 74 93 93 59 67 87 87 57 67 90 90 59 69 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC B1 B1 SC B1 B1 SC SC SC SC SC FW FW SC SC FW SC B1 POP 12HR 40 30 50 20 30 20 20 20 30 RAIN SHWRS SC SC IS SC IS SC IS IS IS SC TSTMS SC SC IS SC IS SC IS IS IS 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