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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 401 AM EDT Mon Sep 23 2024 NCZ018-232000- RAWS 311941 36.22N 81.63W Elev. 3254 ft 401 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 73 60 71 61 68 TEMP 63 62 69 72 72 67 64 63 62 62 68 70 69 65 64 64 62 62 65 67 67 63 DEWPT 62 62 65 66 65 65 63 62 61 62 65 66 66 65 64 63 62 62 63 65 64 63 MAX/MIN RH 78 100 87 100 91 RH 97100 87 81 79 93 97 97 97100 90 87 90100100 97100100 93 93 90100 WIND DIR SE S SW W SW S W NW S E S SW S E N N SE S S S S S WIND SPD 2 2 3 4 4 2 2 1 2 1 3 4 3 1 0 0 1 1 2 3 3 2 CLOUDS OV B2 B2 B2 OV B2 B2 B1 B1 B1 B2 B1 B2 B2 OV OV OV B2 B2 B2 OV OV CLOUDS(%) 94 78 76 71 93 83 70 68 68 68 70 67 76 84 90 96 91 86 87 87 91 94 VSBY 1 1 6 7 6 6 7 7 7 7 7 6 6 6 6 6 6 6 6 6 6 6 POP 12HR 70 50 80 70 70 RAIN SHWRS SC SC NM SC SC IS IS SC SC O O NM NM NM NM NM NM NM NM SC TSTMS SC SC SC SC SC IS IS SC SC SC SC IS SC SC IS Obvis PF PF LAL 1 1 3 3 3 3 3 2 2 1 1 3 3 3 3 1 1 1 2 3 3 HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 MIX HGT <1 <1 2 3 2 <1 <1 <1 <1 <1 2 2 1 <1 <1 <1 <1 <1 1 2 1 <1 T WIND DIR SE SW NW W W S S S S S S SW S E E SE SE W SW SW SW S T WIND SPD 3 2 8 11 5 3 4 5 6 5 9 10 12 8 6 13 5 1 8 12 11 4 DISPERSION VP VP VP VP VP VP VP VP VP VP ADI 2 2 22 28 11 2 2 3 3 4 21 21 21 4 3 6 3 1 12 27 20 2 MAX LVORI 8 10 4 3 4 7 8 8 9 9 4 4 4 9 9 8 9 10 5 4 5 9 STABILITY F C C D D F F F F C C D C F F F F C C C C F CEILING 100 2200 100 100 100 100 100 100 100 100 STA PRES 26.89 26.85 26.86 26.86 26.87 26.82 26.82 26.82 26.87 26.86 Date Thu 09/26/24Fri 09/27/24Sat 09/28/24Sun 09/29/24 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 60 68 60 68 57 68 55 64 TEMP 62 61 67 65 63 61 67 63 59 58 67 63 58 56 63 60 DEWPT 62 61 66 64 62 60 64 63 59 57 62 60 58 55 60 58 RH 100100 97 97 97 97 90100100 96 84 90100 96 90 93 WIND SPD <15 <15 <15 15> <15 <15 <15 <15 AVG CLOUDS OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B2 B1 B2 POP 12HR 40 40 40 60 50 30 40 40 RAIN SHWRS SC SC SC SC SC SC NM SC SC SC SC SC SC SC SC SC TSTMS IS IS IS SC 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 LAL(CATEGORY).......................Lightning Activity Level HAINES(CATEGORY)....................Haines Index 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