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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 801 PM EDT Fri Apr 25 2025 NCZ019-260800- RAWS 312001 36.23N 81.32W Elev. 2380 ft 801 PM EDT Fri Apr 25 2025 Date 04/25/25 Sat 04/26/25 Sun 04/27/25 Mon 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 58 75 48 72 49 TEMP 63 61 59 60 66 71 74 67 60 55 51 49 60 68 72 64 55 50 48 50 DEWPT 59 57 56 57 58 56 55 53 50 46 42 39 36 35 37 42 40 39 38 40 MIN/MAX RH 92 52 71 29 68 RH 87 87 90 90 75 59 51 61 69 72 71 68 41 29 28 45 57 66 68 68 WIND DIR SW SW SW W W NW NW NW NW N N N N N NE NE N N N E WIND SPD 2 2 2 3 5 8 11 5 4 4 3 3 2 3 2 2 1 1 1 1 CLOUDS B2 B2 OV B2 B1 SC SC CL FW FW SC SC SC FW SC SC SC SC SC SC CLOUDS(%) 81 84 94 74 53 45 26 5 8 24 39 36 29 23 32 50 46 40 35 33 VSBY 8 6 6 6 10 10 10 10 10 10 10 10 POP 12HR 60 30 5 0 0 RAIN SHWRS SC NM SC SC IS TSTMS IS IS MIX HGT <1 <1 <1 <1 3 5 5 <1 <1 <1 <1 1 3 5 5 <1 T WIND DIR SW SW SW SW W NW NW NW NW N N N N N N SE T WIND SPD 4 2 5 10 12 21 18 19 13 16 12 11 12 8 4 2 DISPERSION VP VP VP PR VP VP VP VP VP VP VP ADI 2 1 3 11 44122108 9 6 7 6 18 51 52 30 1 MAX LVORI 5 6 6 5 1 1 1 2 3 3 3 3 1 1 1 2 STABILITY F F F B C B B F F F G A A A A F CEILING 2000 700 None None None None None None None STA PRES 27.94 27.88 27.89 27.90 27.98 28.02 28.08 28.05 Date 04/28Tue 04/29/25Wed 04/30/25Thu 05/01/25Fri 05/02/25 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 73 52 79 60 83 60 81 61 77 TEMP 70 65 55 56 77 73 62 63 82 73 63 63 80 72 64 63 77 68 DEWPT 43 47 47 49 57 58 55 57 57 57 55 56 57 57 55 57 55 52 RH 38 52 74 77 50 59 78 81 43 57 75 78 45 59 73 81 47 57 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC POP 12HR 0 0 20 10 50 10 50 30 50 RAIN SHWRS IS SC IS SC SC SC SC SC TSTMS SC IS 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