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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 831 PM EDT Wed Apr 30 2025 VAZ020-010800- RAWS 441801 37.99N 79.76W Elev. 2160 ft 831 PM EDT Wed Apr 30 2025 Date 04/30/25 Thu 05/01/25 Fri 05/02/25 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 60 81 62 81 59 TEMP 67 64 62 64 73 78 80 70 67 64 62 64 75 81 80 72 66 62 60 61 DEWPT 52 53 54 56 59 59 56 54 53 53 54 55 55 51 50 50 51 52 52 54 MIN/MAX RH 80 44 75 34 78 RH 59 67 75 75 62 52 44 57 61 67 75 73 50 35 35 46 58 70 75 78 WIND DIR NE NE NE SE S S S SW S SW SW SW W SW SW SW SW W W SW WIND SPD 2 3 2 1 5 8 8 3 3 3 3 3 4 4 3 2 2 2 2 2 WIND GUST 13 14 CLOUDS SC B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC B1 SC SC B1 B1 CLOUDS(%) 26 53 53 67 57 52 71 78 69 55 53 57 46 45 47 55 35 39 53 64 VSBY 10 6 2 2 9 10 8 9 3 10 10 7 10 10 10 10 POP 12HR 10 50 40 50 40 RAIN SHWRS IS IS SC SC SC SC SC IS IS IS SC SC SC SC SC SC NM TSTMS IS IS SC SC IS IS IS SC SC SC IS MIX HGT <1 <1 <1 <1 2 5 5 <1 <1 <1 <1 <1 3 6 6 <1 T WIND DIR S E E SE S SW S S SW SW SW SW W SW SW SW T WIND SPD 1 2 2 3 8 12 17 10 8 5 3 6 13 16 17 11 DISPERSION VP VP VP VP VP VP VP VP VP VP VP ADI 1 1 1 4 23 50 70 5 4 3 2 9 61117123 5 MAX LVORI 3 3 3 3 2 1 1 3 3 3 3 3 1 1 1 2 STABILITY G F F B C C C F F F F B A A A F CEILING None None None 1800 8800 None None None None STA PRES 27.89 27.89 27.88 27.79 27.78 27.79 27.81 27.76 Date 05/03Sun 05/04/25Mon 05/05/25Tue 05/06/25Wed 05/07/25 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 50 70 49 69 51 74 53 77 TEMP 72 63 54 54 70 62 54 55 69 61 55 56 72 66 57 58 76 67 DEWPT 53 49 45 46 45 45 44 46 47 46 45 47 48 48 46 48 49 50 RH 51 60 71 74 41 54 69 72 45 58 69 72 42 52 67 69 39 54 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 80 40 50 30 50 40 40 20 30 RAIN SHWRS NM O SC SC SC SC SC SC SC SC SC SC SC SC IS IS IS SC TSTMS IS SC IS IS 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