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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 731 AM EDT Tue Apr 1 2025 VAZ018-012000- RAWS 444002 37.56N 80.18W Elev. 2702 ft 731 AM EDT Tue Apr 1 2025 Date Tue 04/01/25 Wed 04/02/25 Thu 04/03/25 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 64 42 62 54 83 TEMP 40 50 60 63 55 49 46 44 43 53 58 61 59 58 56 56 59 71 78 82 78 DEWPT 32 33 32 30 32 33 35 34 35 39 41 45 47 50 53 55 57 61 60 60 59 MAX/MIN RH 28 72 53 100 47 RH 73 52 35 29 41 54 65 68 73 59 53 56 64 75 90 96 93 71 54 47 52 WIND DIR NW NW NW NW SE SE SE SE SE SE SE SE SE S S S S S SW SW S WIND SPD 9 6 4 3 2 5 5 5 6 6 8 8 5 6 6 6 6 9 10 8 5 WIND GUST 29 20 16 17 19 24 25 25 23 24 26 26 26 28 28 25 23 CLOUDS SC FW CL CL FW CL SC B2 OV B2 B1 B2 B2 B2 B2 OV OV B1 B1 B1 B2 CLOUDS(%) 50 24 2 1 9 5 35 75 95 71 63 70 83 83 86 92 89 61 53 53 71 VSBY 10 10 10 10 10 10 10 8 8 8 7 6 5 3 10 10 10 10 10 10 10 POP 12HR 0 5 10 40 40 RAIN SHWRS SC SC SC SC SC SC SC SC TSTMS IS IS IS MIX HGT 2 2 3 5 <1 <1 <1 <1 1 2 2 2 1 <1 <1 <1 <1 2 4 4 <1 T WIND DIR NW NW NW W SE SE SE SE SE SE SE SE SE SE SE N S SW SW SW SW T WIND SPD 18 10 6 3 5 12 11 14 12 11 10 10 6 3 1 0 4 23 23 19 14 DISPERSION VP PR PR PR PR PR PR PR PR ADI 38 26 28 18 3 6 5 10 17 19 20 19 5 2 1 0 5 44 62 51 13 MAX LVORI 3 2 2 2 2 2 3 3 3 3 2 3 3 4 5 6 5 3 1 1 2 STABILITY C B B B G F F E D D D D E E D D D D D D D CEILING None None None 8200 1200 700 100 100 1000 3100 STA PRES 27.80 27.82 27.92 27.97 27.99 27.96 27.94 27.92 27.92 27.91 Date Fri 04/04/25Sat 04/05/25Sun 04/06/25Mon 04/07/25 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 66 83 62 84 65 79 48 60 TEMP 71 69 80 76 68 66 80 77 70 67 76 69 57 50 58 51 DEWPT 58 58 60 58 57 56 58 55 53 54 56 51 46 38 33 24 RH 63 68 51 54 68 70 47 47 55 63 50 53 67 63 39 34 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B1 SC SC POP 12HR 40 60 50 40 40 70 60 30 RAIN SHWRS SC SC SC NM SC SC SC SC IS SC NM NM NM SC SC IS TSTMS IS IS IS SC IS $$ 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