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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 801 PM EDT Wed Oct 1 2025 NCZ019-020800- RAWS 312001 36.23N 81.32W Elev. 2380 ft 801 PM EDT Wed Oct 1 2025 Date 10/01/25 Thu 10/02/25 Fri 10/03/25 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 51 68 46 67 48 TEMP 59 56 53 51 59 65 65 58 54 51 49 47 58 65 66 59 55 53 51 49 DEWPT 54 53 50 48 48 47 46 47 47 46 46 46 47 49 49 49 48 48 46 46 MIN/MAX RH 91 48 96 54 89 RH 83 90 89 89 67 52 50 67 77 83 89 96 67 56 54 69 77 83 83 89 WIND DIR NE NE NE NE E E E NE NE NE N N E E E NE N N N N WIND SPD 2 2 2 2 4 5 5 2 2 2 1 1 2 2 3 1 1 1 1 1 CLOUDS FW B1 SC FW FW SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC CLOUDS(%) 18 52 42 19 14 33 34 24 22 20 23 25 18 11 12 12 18 23 31 38 VSBY 10 10 9 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 3 3 <1 <1 <1 <1 <1 3 3 3 <1 T WIND DIR E E E E E E E E E SE SE E E E E E T WIND SPD 11 16 11 8 9 8 8 4 12 8 5 3 2 3 2 2 DISPERSION VP VP VP VP VP VP VP VP VP VP VP ADI 5 7 5 9 36 34 33 2 6 4 3 3 7 14 8 1 MAX LVORI 5 5 6 5 3 1 1 3 4 5 6 8 3 2 2 3 STABILITY G F F B B B B G G G G A B B B G CEILING None None None None None None None None None STA PRES 28.11 28.18 28.26 28.23 28.27 28.25 28.25 28.18 Date 10/04Sun 10/05/25Mon 10/06/25Tue 10/07/25Wed 10/08/25 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 71 54 71 58 73 59 74 59 75 TEMP 68 64 58 55 69 65 61 59 71 67 63 60 72 68 63 60 73 66 DEWPT 54 53 52 53 60 58 58 58 63 60 59 59 62 61 59 59 62 59 RH 61 67 80 93 73 78 90 96 76 78 87 96 71 78 87 96 68 78 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC SC B1 B2 B1 B1 B2 B2 B1 B1 B2 B1 B1 B1 B1 B1 B1 POP 12HR 0 0 5 10 20 10 30 30 40 RAIN SHWRS IS IS SC SC 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