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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 801 AM EDT Fri Jul 4 2025 NCZ003-042000- RAWS 310302 36.35N 80.48W Elev. 1076 ft 801 AM EDT Fri Jul 4 2025 Date Fri 07/04/25 Sat 07/05/25 Sun 07/06/25 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 88 66 85 65 84 TEMP 79 84 85 80 72 69 67 70 79 82 83 79 71 68 66 69 77 81 81 76 DEWPT 65 66 64 66 63 62 62 65 67 65 65 66 64 62 62 64 67 68 68 69 MAX/MIN RH 51 85 53 87 64 RH 62 55 50 62 73 78 84 84 67 56 55 64 79 81 87 84 71 65 65 79 WIND DIR E E E E E E NE E E E E E E NE NE NE NE E E E WIND SPD 5 4 3 3 3 2 2 2 3 4 4 4 3 2 3 3 3 4 4 4 CLOUDS CL FW FW FW CL FW CL CL FW FW FW FW FW FW FW FW FW B1 B1 SC CLOUDS(%) 1 6 7 7 4 8 4 3 7 13 16 19 14 15 14 25 23 53 53 39 VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 POP 12HR 0 0 5 5 30 RAIN SHWRS SC SC IS TSTMS IS IS MIX HGT 3 5 6 <1 <1 <1 <1 <1 3 5 5 <1 <1 <1 <1 <1 3 5 6 1 T WIND DIR E E E E NE NE NE NE SE E E E SE E N E E E E E T WIND SPD 13 8 6 3 3 3 2 4 6 6 5 8 3 2 3 3 4 4 5 9 DISPERSION VP VP VP VP VP VP VP VP VP ADI 57 52 50 2 2 2 1 4 30 41 36 4 2 1 2 3 19 30 43 4 MAX LVORI 1 1 1 3 3 4 5 5 3 1 1 3 4 5 6 5 3 3 1 4 STABILITY A A A G G G G A A A A F G G G A A A A F CEILING None None None None None None None None None None STA PRES 29.06 29.03 29.05 29.08 29.11 29.05 29.06 29.05 29.07 28.99 Date Mon 07/07/25Tue 07/08/25Wed 07/09/25Thu 07/10/25 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 69 87 70 90 70 88 69 85 TEMP 71 71 83 79 72 73 87 79 72 73 84 77 71 71 82 77 DEWPT 67 69 71 71 69 69 71 72 69 70 71 71 70 70 72 72 RH 87 93 67 77 90 87 59 79 90 90 65 82 97 97 72 85 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC SC B1 SC SC SC B1 B1 SC SC B2 B2 B1 B1 B2 POP 12HR 20 30 10 40 20 60 40 70 RAIN SHWRS IS SC SC IS IS NM SC SC NM TSTMS SC SC IS NM SC IS 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