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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 527 AM EDT Thu May 1 2025 NCZ006-012000- RAWS 310801 36.37N 79.29W Elev. 580 ft 527 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 87 64 85 63 83 TEMP 68 79 84 85 78 72 69 66 68 77 82 84 76 69 67 65 65 76 81 80 73 DEWPT 64 65 62 58 57 57 58 58 61 63 63 62 61 61 61 60 61 63 63 62 62 MAX/MIN RH 40 82 48 87 52 RH 87 62 48 40 48 59 68 75 78 62 53 48 60 76 81 84 87 64 54 54 68 WIND DIR SW SW SW S S S S SW SW SW SW SW S S S S S SW SW SW S WIND SPD 2 5 9 9 5 5 5 5 6 8 9 8 4 3 4 5 5 8 9 8 4 WIND GUST 19 CLOUDS SC SC B1 B1 SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B2 CLOUDS(%) 28 48 56 52 43 57 59 31 53 65 63 58 64 60 54 51 50 54 60 69 74 VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 POP 12HR 5 5 40 30 70 RAIN SHWRS IS SC SC SC SC IS IS IS SC NM NM NM TSTMS SC SC SC SC IS IS IS SC MIX HGT <1 3 7 7 <1 <1 <1 <1 1 3 5 5 <1 <1 <1 <1 1 4 7 5 <1 T WIND DIR SW SW SW SW S S SW SW SW SW SW SW S S SW S S SW SW SW S T WIND SPD 6 16 18 18 8 6 8 6 13 13 14 18 6 9 12 11 13 16 18 21 10 DISPERSION PR PR PR PR VP VP VP PR VP ADI 7 70 88 88 5 5 5 3 24 45 84 74 5 4 8 8 26 71 88 91 7 MAX LVORI 5 1 1 1 2 3 3 4 3 1 1 1 3 4 4 4 4 1 1 1 3 STABILITY A A C C E E E F C C B C E F E E A B C C E CEILING None None None None 2100 11700 10500 None None 4000 STA PRES 29.44 29.36 29.36 29.37 29.38 29.32 29.32 29.33 29.32 29.23 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 75 53 74 54 74 55 76 TEMP 64 61 73 68 58 57 73 69 59 58 73 68 59 58 74 70 DEWPT 60 60 59 57 55 57 59 57 56 56 57 57 55 56 58 57 RH 87 97 62 68 90100 62 66 90 93 57 68 87 93 57 63 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B2 B2 B1 SC SC B1 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