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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 131 AM EDT Thu May 1 2025 NCZ018-020800- RAWS 311941 36.22N 81.63W Elev. 3254 ft 131 AM EDT Thu May 1 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 58 74 56 73 54 TEMP 60 58 60 68 71 73 64 62 59 57 58 67 72 70 64 60 57 55 56 DEWPT 56 55 56 56 54 56 55 54 53 53 54 55 54 56 55 54 53 53 54 MIN/MAX RH 89 55 88 54 93 RH 87 90 87 65 55 55 73 75 80 86 86 65 53 61 73 81 86 93 93 WIND DIR S SW SW S S S S SW SW W W SW SW SW SW W W W SW WIND SPD 1 2 2 9 13 12 6 5 4 3 3 6 8 5 2 2 2 2 3 WIND GUST 24 19 16 16 13 13 12 CLOUDS B1 SC B1 SC B1 B1 SC B1 SC B1 B1 B1 B1 B1 SC SC SC B1 B1 CLOUDS(%) 63 42 53 37 52 69 48 64 46 53 57 59 56 61 45 45 40 55 61 VSBY 10 9 9 10 10 10 10 10 10 9 7 10 10 10 10 POP 12HR 50 40 30 70 40 RAIN SHWRS IS IS SC SC SC SC SC SC SC SC NM SC SC SC SC NM TSTMS IS SC SC IS IS IS SC SC SC SC IS IS MIX HGT <1 <1 <1 3 4 3 <1 <1 <1 <1 <1 3 5 2 <1 T WIND DIR SW W SW SW SW SW S SW SW W SW SW SW SW S T WIND SPD 2 4 3 14 17 20 4 11 8 5 5 11 11 11 10 DISPERSION VP VP PR PR VP VP VP VP VP VP ADI 1 2 4 63 49 47 3 8 5 3 6 39 48 31 5 MAX LVORI 5 5 5 1 1 1 3 4 4 6 5 1 1 1 3 STABILITY F F B B D D E E E F B C C C F CEILING None None 1300 None None None None None STA PRES 26.95 26.95 26.89 26.89 26.88 26.88 26.86 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 67 47 64 44 63 46 67 48 70 TEMP 64 60 50 49 64 57 49 50 60 58 50 51 65 60 52 53 68 63 DEWPT 53 49 47 46 43 44 44 45 46 46 46 46 46 46 46 47 47 49 RH 67 67 89 89 46 62 83 83 60 64 86 83 50 60 80 80 47 60 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC FW FW SC SC SC POP 12HR 80 40 40 30 40 30 30 20 30 RAIN SHWRS NM O SC SC SC SC SC SC SC SC SC IS SC SC IS IS IS SC TSTMS IS SC 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