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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 1031 AM EDT Wed Jul 17 2024 NCZ019-172000- RAWS 312001 36.23N 81.32W Elev. 2380 ft 1031 AM EDT Wed Jul 17 2024 Date Wed 07/17/24 Thu 07/18/24 Fri 07/19/24 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 88 68 82 64 80 TEMP 81 87 83 77 72 70 69 70 77 79 77 74 70 67 65 66 73 76 77 73 DEWPT 70 69 70 69 68 66 66 66 68 67 67 66 62 60 58 60 63 63 65 66 MAX/MIN RH 55 92 68 80 64 RH 69 55 65 76 87 87 90 87 74 67 71 76 76 78 78 81 71 64 67 79 WIND DIR SW SW SW W W W W N NW NW NW N N N N N E E SE E WIND SPD 3 5 5 5 3 3 2 3 2 3 3 2 3 3 3 2 3 3 3 2 CLOUDS SC SC B1 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 CLOUDS(%) 27 50 68 79 79 56 58 54 63 80 79 68 53 57 55 64 76 73 72 73 VSBY 7 7 5 5 10 7 8 7 10 10 10 5 POP 12HR 40 50 60 20 50 RAIN SHWRS IS SC SC SC SC SC SC NM NM SC IS IS IS IS SC SC SC TSTMS IS SC SC SC SC IS NM SC IS IS LAL 1 2 3 3 3 3 1 1 2 4 3 1 1 1 1 1 1 2 2 HAINES 4 4 4 4 4 4 4 4 4 3 3 4 4 4 4 4 4 4 4 4 MIX HGT 4 6 3 <1 <1 <1 <1 <1 3 3 2 <1 <1 <1 <1 <1 4 5 4 <1 T WIND DIR W SW SW SW SW NW NW NW NW NW N N N N N NE E E SE SE T WIND SPD 8 5 13 11 9 4 4 5 5 8 9 10 11 6 5 6 9 2 4 8 DISPERSION PR VP VP VP VP VP VP VP VP ADI 42 44 47 8 4 2 2 7 18 28 27 5 5 3 3 9 44 13 24 4 MAX LVORI 1 1 1 4 5 6 6 5 3 3 3 4 4 4 4 4 1 2 3 4 STABILITY A A C E F F F B B B B F F F F B B B B F CEILING 3700 7900 10900 7200 5100 2200 3200 1600 3600 STA PRES 27.87 27.86 27.88 27.93 27.92 27.96 28.00 28.05 28.02 Date Sat 07/20/24Sun 07/21/24Mon 07/22/24Tue 07/23/24 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 66 79 66 82 66 82 67 81 TEMP 67 67 75 72 68 67 79 72 67 67 79 74 69 68 78 73 DEWPT 65 66 69 68 65 65 68 68 66 65 69 68 67 66 69 69 RH 93 97 82 87 90 93 69 87 97 93 72 82 93 93 74 87 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 POP 12HR 40 60 40 60 50 60 50 60 RAIN SHWRS SC SC SC NM SC IS SC NM SC IS SC NM SC SC SC NM TSTMS IS SC SC IS SC SC IS SC SC IS 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 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