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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 731 AM EDT Thu May 1 2025 VAZ018-012000- RAWS 444002 37.56N 80.18W Elev. 2702 ft 731 AM EDT Thu May 1 2025 Date Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 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 84 61 82 59 74 TEMP 64 76 82 82 71 66 64 63 66 75 81 80 72 65 63 60 64 71 73 72 64 DEWPT 57 62 57 53 55 55 55 55 57 58 55 55 54 54 54 55 56 59 58 57 55 MAX/MIN RH 37 78 40 81 59 RH 78 62 43 37 57 68 73 75 73 55 41 42 53 68 72 84 75 66 59 59 73 WIND DIR N SW S S W SW SW W W W SW SW SW SW SW SW SW SW SW SW SW WIND SPD 0 3 6 6 5 4 4 4 4 6 6 5 2 2 2 2 3 5 6 6 3 WIND GUST 18 20 19 16 16 14 20 19 19 17 14 13 12 13 16 20 21 19 17 CLOUDS B2 SC SC SC B2 B1 B1 SC B1 B1 B1 SC SC SC SC B1 B1 B2 B2 B1 B2 CLOUDS(%) 78 36 43 31 81 55 57 34 67 55 54 50 50 45 45 53 69 78 75 69 83 VSBY 10 10 10 10 10 8 8 10 8 10 10 10 10 POP 12HR 40 30 40 50 80 RAIN SHWRS IS SC SC SC IS IS IS SC SC SC IS SC SC SC NM NM O O O TSTMS IS SC IS SC SC IS SC IS IS IS SC MIX HGT <1 4 7 7 <1 <1 <1 <1 <1 4 6 4 <1 <1 <1 <1 <1 4 4 4 <1 T WIND DIR SW SW SW SW SW SW SW SW W W SW SW SW SW W SW SW SW SW S SW T WIND SPD 4 6 14 18 12 6 4 5 8 20 14 16 18 8 20 5 9 16 16 18 9 DISPERSION PR VP VP VP VP VP VP VP VP ADI 5 33112137 8 5 3 3 8 81 68 78 8 4 9 3 12 61 59 69 4 MAX LVORI 4 1 1 1 2 3 3 4 4 1 1 1 2 3 3 5 4 1 1 1 3 STABILITY B A B B E E E F C C C A F F F F B C C C F CEILING None None 8000 None None None None None 2400 3400 STA PRES 27.83 27.75 27.76 27.76 27.76 27.72 27.74 27.72 27.72 27.63 Date Sun 05/04/25Mon 05/05/25Tue 05/06/25Wed 05/07/25 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 55 69 51 70 52 71 53 73 TEMP 59 57 69 61 54 55 69 63 55 56 69 63 56 57 71 65 DEWPT 53 53 52 48 48 49 53 51 49 50 53 49 49 51 54 52 RH 80 86 55 62 80 80 57 65 80 80 57 60 77 80 55 63 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B2 B1 SC SC B1 B1 SC SC B1 B1 SC SC B1 B1 SC POP 12HR 80 60 50 50 40 40 20 30 RAIN SHWRS O NM NM NM SC SC SC SC SC SC SC SC IS IS IS SC TSTMS SC $$ 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