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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 802 PM EDT Wed Jul 23 2025 NCZ005-240800- RAWS 310540 36.38N 79.70W Elev. 858 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 67 88 70 93 74 TEMP 72 70 67 70 79 85 84 80 74 72 71 75 84 89 90 86 80 78 76 78 DEWPT 66 67 66 68 70 69 69 71 70 70 70 72 74 72 73 73 72 71 72 72 MIN/MAX RH 97 57 98 52 91 RH 81 90 97 93 74 59 61 74 87 93 97 90 72 57 58 65 77 79 87 82 WIND DIR E SE NE NE NE E E SE S SW SW SW W SW SW SW SW W W NW WIND SPD 2 2 2 3 3 4 3 2 2 2 2 3 4 4 5 2 2 2 2 2 CLOUDS CL CL FW SC SC FW FW FW FW FW FW CL FW FW FW FW FW FW FW CL CLOUDS(%) 4 4 9 26 34 21 19 14 10 12 6 4 7 16 17 15 16 9 8 5 VSBY 10 10 9 8 10 10 10 10 10 10 10 10 10 10 10 10 POP 12HR 0 10 5 5 0 MIX HGT <1 <1 <1 <1 3 5 5 <1 <1 <1 <1 <1 3 6 6 <1 T WIND DIR E SE E E N S S S S SW SW W W W W W T WIND SPD 3 6 2 5 0 1 4 6 2 2 3 4 9 5 5 8 DISPERSION VP VP VP VP VP VP VP VP VP VP VP ADI 2 3 1 6 0 7 28 3 1 1 2 4 39 44 44 4 MAX LVORI 5 6 8 6 4 3 2 4 6 7 10 6 3 1 1 3 STABILITY G G G B A A A G G G G A A A A G CEILING None None None None None None None None None STA PRES 29.43 29.45 29.47 29.39 29.37 29.36 29.37 29.29 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 95 75 95 76 95 73 96 73 96 TEMP 91 87 79 79 92 88 79 79 92 86 77 77 92 87 78 78 93 87 DEWPT 74 73 73 73 73 72 73 73 73 72 71 72 72 71 72 72 72 73 RH 58 63 82 82 54 59 82 82 54 63 82 85 52 59 82 82 51 63 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW SC SC SC FW SC SC FW FW SC FW FW FW SC FW FW FW B1 POP 12HR 10 10 20 10 20 20 20 20 30 RAIN SHWRS IS IS IS IS IS SC TSTMS IS 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