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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 802 AM EDT Fri Jul 25 2025 NCZ003-252000- RAWS 310302 36.35N 80.48W Elev. 1076 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 90 72 92 74 93 TEMP 82 87 88 83 78 76 74 76 86 90 88 84 78 76 74 76 85 90 88 83 DEWPT 70 69 68 72 70 69 68 70 73 70 70 75 73 72 71 72 74 74 74 75 MAX/MIN RH 48 87 56 89 59 RH 67 55 52 70 76 79 82 82 65 52 55 74 85 87 90 87 70 60 63 77 WIND DIR W SW SW W W W NW NW N W NW NW NW N NW NW NW W NW NW WIND SPD 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 2 CLOUDS FW FW FW FW FW FW CL CL FW B1 B1 SC SC SC FW FW SC SC SC SC CLOUDS(%) 11 7 14 15 14 7 2 0 10 52 52 26 28 33 16 25 35 26 38 37 VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 POP 12HR 10 5 30 10 40 RAIN SHWRS SC SC SC SC TSTMS SC SC SC SC MIX HGT 3 6 5 <1 <1 <1 <1 <1 5 7 4 <1 <1 <1 <1 <1 4 7 4 <1 T WIND DIR W SW SW W NW W W N NE S SW W NW NW NW NW NW NW NW NW T WIND SPD 8 4 4 5 2 2 1 2 4 2 4 3 2 1 3 8 13 8 12 12 DISPERSION VP VP VP VP VP VP VP VP VP ADI 26 32 30 3 1 1 1 2 26 17 23 2 1 1 2 8 75 69 66 6 MAX LVORI 3 1 1 3 4 5 6 5 3 2 2 3 5 6 7 5 1 1 1 4 STABILITY A A A G G G G A A B B G G G G A A A A G CEILING None None None None None None None None None None STA PRES 29.07 28.98 28.99 29.00 29.02 28.97 28.99 28.99 29.01 28.98 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 74 93 73 94 73 95 72 88 TEMP 76 77 91 84 76 76 91 86 75 76 92 84 75 73 86 78 DEWPT 72 73 75 75 71 72 73 73 70 71 72 72 70 70 71 72 RH 87 87 60 74 85 87 56 65 84 85 52 67 84 90 61 82 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC FW FW SC SC FW FW FW FW FW FW FW SC SC SC B1 POP 12HR 10 40 20 20 20 20 30 50 RAIN SHWRS SC IS IS IS IS SC IS SC TSTMS SC IS IS IS IS SC 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