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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 731 AM EDT Tue Apr 1 2025 NCZ001-012000- RAWS 310141 36.40N 81.29W Elev. 3009 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 62 43 57 53 73 TEMP 38 46 57 61 53 49 46 44 44 51 55 57 56 55 54 54 57 65 69 73 69 DEWPT 34 35 34 35 36 37 38 39 41 45 46 48 50 53 54 54 57 60 60 59 58 MAX/MIN RH 38 91 72 100 63 RH 85 65 42 38 52 63 73 82 89 80 72 72 80 93100100100 84 73 62 68 WIND DIR NW N N SE SE SE SE SE SE SE S S S S S S S S S S S WIND SPD 10 8 3 4 5 4 6 8 8 9 10 10 9 11 12 11 10 11 13 12 9 WIND GUST 20 21 24 23 21 CLOUDS B1 FW CL CL CL FW SC B1 OV OV B2 B2 B2 B2 OV OV B2 B2 B1 B1 B1 CLOUDS(%) 51 18 4 5 5 12 30 60 94 89 82 79 76 86 90 92 87 82 65 65 58 VSBY 10 10 10 10 10 10 10 8 7 3 6 5 5 2 10 10 10 10 10 10 10 POP 12HR 0 20 30 50 50 RAIN SHWRS IS IS SC SC SC SC SC SC SC IS SC SC MIX HGT 1 2 4 5 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 1 2 3 <1 T WIND DIR N N N SW SE SE SE SE SE SE S SE S S S S S S SW SW S T WIND SPD 21 10 2 1 10 5 6 13 11 8 10 5 3 4 5 8 9 14 17 16 9 DISPERSION PR VP PR PR PR FR FR FR PR ADI 31 22 10 6 5 3 3 12 13 9 13 6 3 4 5 7 10 23 35 35 8 MAX LVORI 4 2 2 2 2 3 3 4 5 5 4 5 5 5 6 6 5 4 3 3 3 STABILITY D B B B F F F D D D D D D D D D D D D D D CEILING None None None 1200 500 500 500 500 500 500 STA PRES 27.20 27.23 27.32 27.36 27.39 27.37 27.36 27.36 27.40 27.40 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 60 79 59 79 59 71 45 55 TEMP 64 63 76 73 64 62 75 72 64 61 69 62 52 47 53 46 DEWPT 59 58 56 58 57 57 55 53 54 54 54 52 48 42 34 25 RH 84 84 50 59 78 84 50 51 70 78 59 70 86 83 48 43 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B2 B1 B1 B1 B1 B1 SC SC B1 B2 B2 B2 B1 SC SC POP 12HR 30 30 20 20 20 70 60 30 RAIN SHWRS SC SC IS IS IS IS NM NM NM SC 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