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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 901 AM EDT Thu May 1 2025 NCZ005-012000- RAWS 310540 36.38N 79.70W Elev. 858 ft 901 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 85 64 83 63 81 TEMP 77 83 83 77 72 69 65 68 76 81 81 74 68 66 64 65 74 80 78 71 DEWPT 65 61 59 57 57 58 58 61 63 62 60 60 61 61 60 61 62 61 61 61 MAX/MIN RH 43 82 48 88 53 RH 67 47 44 50 59 68 78 78 64 53 49 62 78 84 87 87 66 52 56 71 WIND DIR SW SW SW SW S SW SW SW SW SW SW SW S S S S SW SW SW SW WIND SPD 8 12 12 6 6 8 9 9 10 10 10 5 5 5 6 9 10 11 10 5 CLOUDS B1 B1 SC B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 CLOUDS(%) 51 55 40 59 50 47 47 54 61 59 56 64 56 55 51 56 59 66 65 79 VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 POP 12HR 5 10 40 30 70 RAIN SHWRS IS SC SC SC IS IS IS IS SC NM NM NM TSTMS SC SC SC IS IS IS IS SC MIX HGT 3 7 7 <1 <1 <1 <1 1 3 5 4 <1 <1 <1 <1 1 4 6 5 <1 T WIND DIR SW SW SW SW SW SW SW SW SW SW SW S S S SW SW SW SW SW S T WIND SPD 17 19 19 8 6 6 6 12 12 14 20 6 8 9 8 14 14 18 21 12 DISPERSION PR PR PR PR PR PR PR PR PR ADI 60 92 94 5 5 6 6 20 42 62 80 5 5 6 5 27 66 62 88 8 MAX LVORI 1 1 1 2 3 3 4 3 1 1 1 3 4 4 5 4 1 1 1 3 STABILITY B C C E E D D C B C C E E E E C B D C E CEILING None None None None 3400 7000 None 16100 3800 STA PRES 29.25 29.26 29.28 29.28 29.22 29.22 29.22 29.22 29.13 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 59 73 54 73 55 74 55 76 TEMP 62 61 72 66 57 58 70 67 58 58 71 67 58 59 73 69 DEWPT 60 59 57 56 53 55 57 55 54 56 56 55 53 55 57 56 RH 93 93 59 70 86 90 63 65 86 93 59 65 83 87 57 63 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B2 B2 SC SC SC SC SC SC B1 SC SC SC SC B1 SC POP 12HR 70 60 30 50 30 40 20 30 RAIN SHWRS NM NM NM NM SC SC SC SC SC IS SC SC 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