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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 201 AM EDT Mon Sep 22 2025 WVZ043-230800- RAWS 465401 37.53N 81.00W Elev. 2725 ft 201 AM EDT Mon Sep 22 2025 Date 09/21/25 Mon 09/22/25 Tue 09/23/25 Wed 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 59 78 60 75 61 TEMP 60 59 71 77 75 68 64 63 61 61 69 73 74 68 64 62 61 62 DEWPT 58 59 62 62 63 63 62 61 60 61 64 63 64 63 63 62 61 62 MIN/MAX RH 100 59 100 68 100 RH 93100 73 60 66 84 93 93 97100 84 71 71 84 97100100100 WIND DIR SE SE S SW SW S S SW SW SW SW W W W SW SW SW SW WIND SPD 3 2 3 4 4 2 2 2 2 2 4 6 5 3 2 2 2 2 CLOUDS SC SC SC B1 B1 SC SC B1 B2 B1 B1 B2 B2 B1 B1 B1 B2 B2 CLOUDS(%) 49 45 41 61 51 43 41 53 72 65 67 72 70 52 53 63 83 86 VSBY 10 7 10 10 10 10 9 7 6 6 10 10 10 10 10 10 5 10 POP 12HR 10 30 40 60 30 RAIN SHWRS SC SC IS IS SC SC NM NM SC SC SC SC SC TSTMS IS IS IS IS SC SC IS MIX HGT <1 <1 2 4 3 <1 <1 <1 <1 <1 2 4 2 <1 T WIND DIR S SE SW S S S S S S S SW SW W W T WIND SPD 4 3 8 5 9 10 5 3 3 2 11 21 18 5 DISPERSION VP VP VP VP VP VP VP VP VP ADI 2 3 18 20 32 5 3 2 2 2 21 62 36 3 MAX LVORI 6 6 3 3 3 5 6 8 8 10 3 1 1 6 STABILITY F C B C C G G G G C D D D F CEILING None None None None 3500 4900 1700 None STA PRES 27.76 27.76 27.68 27.68 27.67 27.69 27.66 Date 09/24Thu 09/25/25Fri 09/26/25Sat 09/27/25Sun 09/28/25 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 77 63 71 61 71 58 72 55 73 TEMP 76 67 64 64 69 67 63 62 70 63 59 59 70 64 57 56 72 63 DEWPT 64 64 63 64 68 65 63 62 63 62 59 59 61 59 57 56 59 58 RH 66 90 97100 97 93100100 78 97100100 73 84100100 64 84 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B2 B2 OV OV B2 B2 B2 B2 B2 B1 B1 B1 B1 FW SC SC SC POP 12HR 60 60 80 60 60 40 30 10 20 RAIN SHWRS SC NM SC NM NM O NM SC SC NM SC SC SC SC IS TSTMS SC IS IS 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