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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 1031 AM EDT Wed Jul 17 2024 NCZ003-172000- RAWS 310302 36.35N 80.48W Elev. 1076 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 91 70 85 67 82 TEMP 83 89 88 78 74 72 71 73 79 81 80 77 73 70 69 69 75 79 80 75 DEWPT 72 72 72 71 70 70 69 69 69 69 68 68 65 63 63 64 65 65 65 67 MAX/MIN RH 56 94 66 83 61 RH 70 57 59 79 87 93 93 87 72 67 67 74 76 78 81 84 71 62 60 76 WIND DIR SW SW SW SW W SW W NW NW NW NW NW N N N NE E E E E WIND SPD 3 5 6 5 4 3 3 3 3 4 3 3 3 3 4 5 5 4 4 3 CLOUDS SC SC B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 CLOUDS(%) 44 49 76 81 81 58 63 60 67 71 82 78 63 67 67 68 74 72 75 70 VSBY 7 7 4 5 10 9 9 10 10 10 10 5 POP 12HR 40 60 60 30 40 RAIN SHWRS IS SC SC SC IS IS SC SC NM SC SC SC IS IS SC SC SC TSTMS IS SC SC SC IS IS NM SC IS IS IS IS LAL 1 2 3 3 3 2 1 1 2 4 3 2 2 1 1 1 1 2 2 HAINES 4 4 4 4 4 3 3 4 4 4 4 3 3 3 3 3 3 4 4 4 MIX HGT 3 6 4 <1 <1 <1 <1 <1 3 2 2 <1 <1 <1 <1 <1 4 5 5 <1 T WIND DIR NW SW SW SW W W W NW NW NW NW NW N N N N E E SE SE T WIND SPD 3 5 10 6 4 6 4 3 4 5 6 5 10 9 6 8 11 3 3 5 DISPERSION PR VP VP VP VP VP VP VP VP ADI 14 45 39 5 3 3 2 4 16 17 15 3 5 4 5 9 40 14 14 3 MAX LVORI 3 1 1 4 6 6 6 6 3 3 3 4 4 4 4 4 3 2 2 3 STABILITY A A C E E F F B B B B F F F E C C C C F CEILING 3600 4100 8600 5500 6600 4300 3600 2100 2600 STA PRES 28.85 28.88 28.89 28.93 28.92 28.97 29.02 29.07 29.05 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 67 80 68 85 68 84 68 84 TEMP 70 70 76 75 69 69 82 77 70 70 81 77 70 70 80 77 DEWPT 68 68 70 70 68 68 69 70 68 69 70 70 69 69 71 71 RH 93 93 82 84 97 97 65 79 93 97 69 79 97 97 74 82 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 POP 12HR 40 60 40 50 50 60 50 60 RAIN SHWRS SC SC SC NM SC IS IS SC SC IS SC NM SC IS SC NM TSTMS IS SC SC 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