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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 802 AM EDT Fri Jul 25 2025 NCZ001-252000- RAWS 310142 36.40N 81.46W Elev. 4608 ft 802 AM EDT Fri Jul 25 2025 Date Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 MAX/MIN TEMP 77 65 79 67 80 TEMP 72 75 75 72 69 67 66 67 72 76 75 71 69 68 68 67 72 76 75 70 DEWPT 62 62 63 64 64 64 63 64 66 66 66 67 66 65 65 65 67 68 68 66 MAX/MIN RH 63 93 75 93 75 RH 71 64 66 76 84 90 90 90 81 71 74 87 90 90 90 93 84 76 79 87 WIND DIR NW W SW SW NW NW NW NW NW W W W W W NW NW NW W NW NW WIND SPD 3 2 2 3 5 6 8 8 5 3 3 3 5 9 10 10 8 6 6 6 CLOUDS FW B1 B1 SC SC FW FW SC SC B2 B2 SC FW SC FW SC SC SC SC SC CLOUDS(%) 9 52 52 33 30 19 9 40 40 71 71 43 24 31 22 50 50 44 38 31 VSBY 10 10 10 10 10 10 8 10 10 10 10 10 10 10 10 10 10 10 10 10 POP 12HR 30 10 60 10 60 RAIN SHWRS IS SC IS IS NM NM SC SC NM NM IS TSTMS IS SC IS IS NM NM SC SC NM NM IS MIX HGT 3 5 3 <1 <1 <1 <1 <1 2 4 1 <1 <1 <1 <1 <1 2 4 3 <1 T WIND DIR NW W W SW W NW NW NW NW SW W W W W NW NW NW NW NW NW T WIND SPD 8 2 2 2 2 3 4 4 10 4 5 3 3 10 10 16 20 14 16 10 DISPERSION VP PR PR PR VP PR PR FR PR ADI 30 13 9 1 1 2 3 5 32 21 10 2 2 7 7 17 63 68 60 5 MAX LVORI 3 3 3 4 5 7 6 6 3 3 3 6 7 5 5 5 4 3 3 5 STABILITY A B B G F F E B A B B F F E E B B B B F CEILING None None None None None 600 None None None None STA PRES 26.87 26.82 26.83 26.83 26.86 26.82 26.83 26.82 26.86 26.84 Date Mon 07/28/25Tue 07/29/25Wed 07/30/25Thu 07/31/25 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 MIN/MAX TEMP 67 81 67 83 66 84 66 79 TEMP 69 68 77 71 69 68 79 73 69 68 80 72 68 66 76 68 DEWPT 65 65 68 66 65 65 65 66 64 64 63 64 63 63 64 64 RH 87 90 74 84 87 90 62 79 84 87 56 76 84 90 66 87 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC FW SC SC SC FW FW SC FW FW FW FW SC SC B1 B1 POP 12HR 20 60 20 30 20 30 20 60 RAIN SHWRS IS IS NM IS SC IS SC IS SC NM TSTMS IS IS NM IS SC IS SC IS SC NM $$ 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