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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 1203 AM EDT Wed Jun 18 2025 NCZ003-190800- RAWS 310301 36.48N 80.86W Elev. 1300 ft 1203 AM EDT Wed Jun 18 2025 Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri 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 66 88 63 TEMP 70 68 71 81 85 85 79 73 70 68 72 83 85 82 76 71 68 65 68 DEWPT 69 67 70 72 71 72 72 69 67 66 68 72 71 70 70 66 65 63 65 MIN/MAX RH 100 63 93 63 93 RH 97 97 97 74 63 65 79 87 90 93 87 70 63 67 82 84 90 93 90 WIND DIR S SW S SW SW SW SW SW SW W SW SW SW W W W NW NW NW WIND SPD 1 1 1 3 5 4 2 1 1 1 2 3 5 5 2 1 1 1 1 CLOUDS B1 SC FW FW B1 SC SC SC FW FW SC SC B1 B2 B2 B1 SC FW FW CLOUDS(%) 57 36 18 17 55 41 40 34 21 15 38 38 67 72 73 58 41 25 14 VSBY 9 9 10 10 10 10 10 9 10 10 10 10 10 10 10 POP 12HR 50 50 30 80 50 RAIN SHWRS SC SC IS IS IS IS SC NM SC SC TSTMS IS IS IS IS IS SC SC SC SC Obvis F F F MIX HGT <1 <1 1 4 4 2 <1 <1 <1 <1 1 4 5 3 <1 T WIND DIR SW SW W W W SW SW SW SW SW SW W W W W T WIND SPD 6 4 6 17 16 12 10 9 8 3 9 21 24 20 11 DISPERSION VP VP VP VP VP VP VP VP VP VP ADI 3 2 9 93 63 40 5 4 4 2 13122133 78 5 MAX LVORI 8 9 6 3 1 1 4 5 6 7 4 3 1 1 4 STABILITY F G A A C A G G G G A A B B F CEILING None None None None None None 10600 None STA PRES 28.12 28.17 28.14 28.14 28.14 28.14 28.11 Date 06/20Sat 06/21/25Sun 06/22/25Mon 06/23/25Tue 06/24/25 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 87 63 89 66 92 69 94 69 94 TEMP 82 79 67 70 85 82 70 73 88 84 72 75 90 86 74 75 91 85 DEWPT 64 68 62 65 68 71 66 68 70 73 67 69 71 73 68 70 70 73 RH 55 69 84 84 57 69 87 84 55 70 84 82 54 65 82 84 50 67 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW POP 12HR 10 0 5 0 10 5 10 5 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