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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 731 AM EDT Tue Apr 1 2025 NCZ019-012000- RAWS 312001 36.23N 81.32W Elev. 2380 ft 731 AM EDT Tue Apr 1 2025 Date Tue 04/01/25 Wed 04/02/25 Thu 04/03/25 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 66 46 59 55 78 TEMP 42 53 62 65 57 52 48 47 47 54 57 59 58 57 56 56 59 68 73 77 73 DEWPT 35 37 36 36 38 39 39 40 41 45 47 48 50 53 55 56 58 61 62 60 59 MAX/MIN RH 34 84 67 100 56 RH 76 54 38 34 49 61 71 76 79 71 69 67 75 86 96100 96 78 68 56 62 WIND DIR N N E SE SE E E E E SE SE S S S S S S S S S S WIND SPD 4 3 2 4 3 1 2 2 3 3 5 5 4 5 9 8 6 9 11 11 6 WIND GUST 21 21 CLOUDS FW FW FW FW FW FW SC B1 OV OV OV B2 B2 B2 OV OV B2 B2 B2 B1 B1 CLOUDS(%) 24 16 9 10 7 13 29 67 91 94 90 81 75 85 89 90 87 84 70 62 56 VSBY 10 10 10 10 10 10 10 9 8 3 6 5 6 2 10 10 10 10 10 10 10 POP 12HR 0 10 30 60 40 RAIN SHWRS IS SC SC SC NM SC SC IS IS SC SC MIX HGT 1 3 5 5 <1 <1 <1 <1 <1 1 1 1 <1 <1 <1 <1 <1 2 3 3 <1 T WIND DIR N N NE SE SE SE SE SE SE SE SE E NE N SW S S SW SW SW S T WIND SPD 17 8 2 2 8 2 3 6 8 6 5 4 1 1 1 4 5 14 13 17 12 DISPERSION VP VP VP VP VP PR PR PR PR ADI 32 25 12 13 4 1 2 3 7 10 9 6 1 1 1 4 6 26 31 44 11 MAX LVORI 3 2 2 2 2 3 3 4 4 4 4 4 4 6 6 6 5 4 3 1 3 STABILITY B B B B G G G F C D D D E E D D D D D D D CEILING None None None 2100 500 200 100 100 200 200 STA PRES 27.93 27.94 28.04 28.08 28.12 28.09 28.08 28.07 28.11 28.10 Date Fri 04/04/25Sat 04/05/25Sun 04/06/25Mon 04/07/25 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 63 84 63 84 63 77 51 61 TEMP 67 67 80 77 68 66 80 77 68 65 74 68 58 52 59 53 DEWPT 59 58 58 58 57 57 56 54 54 55 57 53 49 44 36 26 RH 75 73 47 52 68 73 44 45 61 70 55 59 72 74 42 35 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B2 B1 B1 B1 B1 B1 SC SC B1 B2 B2 B2 B1 SC FW POP 12HR 30 30 10 10 20 60 60 30 RAIN SHWRS SC SC IS SC NM NM SC 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