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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 801 PM EDT Mon Sep 8 2025 VAZ020-090800- RAWS 441801 37.99N 79.76W Elev. 2160 ft 801 PM EDT Mon Sep 8 2025 Date 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 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 45 73 49 77 51 TEMP 53 51 48 48 64 70 71 60 55 53 51 51 67 74 75 63 60 56 53 52 DEWPT 37 36 35 40 44 43 44 44 44 45 46 46 51 48 49 51 51 49 47 48 MIN/MAX RH 73 37 86 39 88 RH 54 56 60 74 48 38 38 55 66 74 83 83 56 40 40 65 72 77 80 86 WIND DIR N N N N E E E NE NE N N N N NE NE N N N NW NW WIND SPD 2 3 3 3 2 2 2 2 2 2 2 2 2 1 1 2 2 2 2 2 CLOUDS CL CL FW FW FW SC FW SC SC SC SC SC FW FW FW FW SC FW CL CL CLOUDS(%) 1 3 9 9 23 30 15 33 30 42 32 26 21 13 8 24 26 13 2 1 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 0 0 0 MIX HGT <1 <1 <1 <1 3 4 4 <1 <1 <1 <1 <1 3 5 6 <1 T WIND DIR NE N N N E E E E NE N N NW NE NE N E T WIND SPD 3 3 4 3 10 9 9 4 3 3 3 3 10 3 1 2 DISPERSION VP VP VP VP VP VP VP VP VP VP VP ADI 2 2 2 4 41 45 46 2 2 2 2 4 40 21 8 1 MAX LVORI 3 3 4 4 1 1 1 3 3 3 5 5 1 2 2 3 STABILITY G G G B B B B G G F G B B A A G CEILING None None None None None None None None None STA PRES 28.06 28.06 28.07 28.02 28.03 28.02 28.02 27.98 Date 09/11Fri 09/12/25Sat 09/13/25Sun 09/14/25Mon 09/15/25 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 80 53 79 53 79 53 80 55 80 TEMP 77 65 58 55 77 66 58 55 76 66 58 55 78 67 60 57 78 67 DEWPT 48 50 48 49 49 50 50 51 53 53 52 52 55 54 53 53 57 55 RH 36 58 69 80 37 56 75 86 45 63 80 90 45 63 78 86 48 65 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW FW SC SC FW FW SC SC FW FW SC SC FW SC SC POP 12HR 0 0 0 0 0 0 10 10 10 $$ 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