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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 1031 AM EDT Wed Jul 17 2024 NCZ005-172000- RAWS 310540 36.38N 79.70W Elev. 858 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 94 72 87 68 84 TEMP 86 92 90 80 75 74 73 75 82 83 82 77 73 71 69 71 77 82 82 78 DEWPT 73 72 71 73 72 71 71 71 71 71 71 71 70 68 67 66 67 67 68 69 MAX/MIN RH 51 96 66 93 60 RH 65 52 54 79 90 90 93 87 69 67 69 82 90 90 93 84 71 61 63 74 WIND DIR SW SW SW SW SW SW SW W N NW N E N N N NE NE E E E WIND SPD 6 8 9 6 5 4 4 3 4 5 4 2 2 2 3 5 5 5 4 3 CLOUDS SC SC B1 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 CLOUDS(%) 33 50 56 83 83 61 61 61 59 79 77 85 75 71 80 73 72 75 72 74 VSBY 7 7 6 4 10 9 9 10 10 10 9 5 POP 12HR 40 50 70 30 30 RAIN SHWRS IS SC SC IS IS SC SC NM SC SC SC IS IS SC SC SC TSTMS IS SC SC IS IS NM SC IS IS IS IS LAL 1 1 2 3 3 2 1 1 2 4 3 2 2 1 1 1 1 2 2 HAINES 4 4 4 3 3 3 3 4 4 4 4 3 3 3 3 4 4 4 4 3 MIX HGT 3 7 5 <1 <1 <1 <1 <1 3 4 3 <1 <1 <1 <1 1 4 6 5 <1 T WIND DIR W SW SW SW SW SW SW W NW NW NW W N N N NE NE E SE SE T WIND SPD 5 5 11 13 10 9 9 8 6 6 5 1 4 10 5 13 11 4 4 5 DISPERSION PR PR VP VP VP VP VP VP VP ADI 22 42 48 9 7 6 6 8 23 26 19 1 2 5 3 21 41 20 19 3 MAX LVORI 2 1 1 4 5 5 6 5 3 3 3 6 6 6 6 4 3 2 2 4 STABILITY B B C E E E E B C C B F F F F C C C C F CEILING 4200 4100 None 4000 6000 5700 3300 2400 3200 STA PRES 29.15 29.19 29.19 29.24 29.22 29.27 29.33 29.39 29.36 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 69 82 68 87 68 87 69 86 TEMP 70 71 78 76 70 71 84 77 71 71 83 79 71 72 83 79 DEWPT 69 70 73 72 70 71 71 72 70 71 72 72 71 71 72 73 RH 97 97 85 87100100 65 85 97100 70 79100 97 70 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 50 40 40 50 60 50 50 RAIN SHWRS SC SC SC SC SC IS IS SC SC IS SC NM SC IS SC SC TSTMS IS SC SC SC SC 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