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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 802 PM EDT Wed Jul 23 2025 VAZ024-240800- RAWS 441631 37.63N 79.51W Elev. 865 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 65 91 67 97 71 TEMP 72 69 66 69 81 88 88 82 74 71 68 73 85 92 93 87 80 76 74 76 DEWPT 65 65 65 66 68 67 68 68 68 67 67 68 72 70 72 72 70 70 70 71 MIN/MAX RH 97 48 96 45 95 RH 79 87 97 90 65 50 52 63 82 87 97 84 65 49 51 61 72 82 87 85 WIND DIR SE E NE N SW S S S S SW W W W W W W W NW NW NW WIND SPD 1 1 1 1 2 3 3 2 1 1 1 1 2 3 2 2 1 1 1 1 CLOUDS CL CL FW SC FW FW FW FW CL CL FW FW CL FW FW FW FW FW FW FW CLOUDS(%) 1 4 24 27 20 18 15 10 5 2 6 15 5 16 19 17 19 19 18 19 VSBY 10 10 2 9 10 10 10 10 10 8 10 10 10 10 10 10 POP 12HR 0 0 0 5 5 Obvis F MIX HGT <1 <1 <1 1 4 6 5 <1 <1 <1 <1 <1 4 7 6 <1 T WIND DIR E SE SE S SW SW SW S S SW W NW NW W W W T WIND SPD 2 3 1 2 9 5 5 8 2 2 2 2 11 8 10 10 DISPERSION VP VP VP VP VP VP VP VP VP VP VP ADI 1 2 1 4 41 39 36 4 1 1 1 2 55 67 73 5 MAX LVORI 4 6 9 6 1 1 1 3 5 6 8 6 1 1 1 3 STABILITY G 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 28.69 28.71 28.72 28.64 28.62 28.60 28.60 28.54 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 97 72 97 72 98 71 99 71 99 TEMP 93 87 77 77 93 88 77 77 93 87 76 76 94 88 76 76 94 88 DEWPT 74 73 72 72 72 73 71 72 71 69 69 70 70 71 71 71 71 71 RH 54 63 85 85 51 61 82 85 49 55 79 82 46 57 85 85 47 57 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW B1 B1 SC SC B1 SC FW FW SC SC FW FW SC SC FW FW B1 POP 12HR 30 20 30 10 20 20 20 20 30 RAIN SHWRS SC IS SC IS IS IS IS SC TSTMS SC IS SC IS 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