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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 1031 AM EDT Wed Jul 17 2024 NCZ018-172000- RAWS 311941 36.22N 81.63W Elev. 3254 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 82 64 76 59 75 TEMP 77 81 79 72 68 66 65 67 71 73 71 70 64 62 59 62 69 71 71 68 DEWPT 67 66 67 66 66 65 64 65 66 66 64 63 61 59 57 59 60 62 63 63 MAX/MIN RH 60 100 78 92 72 RH 71 60 67 81 93 97 97 93 84 79 79 78 90 90 93 90 73 73 76 84 WIND DIR W W W W W W W NW NW NW NW NW NW N N N E SE SE SE WIND SPD 6 8 8 5 4 4 4 4 4 5 5 3 3 2 2 2 3 4 3 2 CLOUDS SC B1 B1 B2 B2 B1 B1 B1 B2 B2 B2 B1 SC B1 SC B1 B1 B2 B2 B1 CLOUDS(%) 33 51 68 74 73 62 69 62 70 75 72 63 45 51 50 60 69 72 70 68 VSBY 7 6 4 3 8 5 7 6 10 10 10 5 POP 12HR 70 60 60 20 50 RAIN SHWRS IS SC NM SC SC SC NM NM NM SC IS IS SC SC SC SC SC TSTMS IS SC NM SC SC IS NM SC IS IS LAL 1 2 3 4 3 3 1 1 2 4 3 1 1 1 1 1 1 2 2 HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 MIX HGT 3 5 4 1 <1 <1 <1 <1 2 2 2 <1 <1 <1 <1 <1 4 5 4 <1 T WIND DIR W W S SW W NW NW NW NW NW NW N N N N NE E S S SE T WIND SPD 11 8 9 11 6 11 10 10 8 9 11 12 10 4 3 4 8 4 6 6 DISPERSION PR VP VP VP VP VP VP VP VP ADI 40 32 33 8 5 8 7 11 17 26 32 6 5 2 2 5 38 18 35 3 MAX LVORI 3 1 3 4 6 6 6 5 4 3 3 4 5 6 7 6 3 3 3 5 STABILITY B C C E E E E C C C C F F F F B B C B F CEILING 2300 1300 200 200 3200 None None 600 1500 STA PRES 26.87 26.87 26.89 26.93 26.93 26.97 26.98 27.03 27.01 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 62 74 61 76 62 77 62 76 TEMP 64 63 70 69 65 64 73 68 64 64 74 69 65 64 73 69 DEWPT 63 63 66 65 63 63 66 65 63 63 67 65 65 64 68 66 RH 97100 87 87 93 97 79 90 97 97 79 87100100 84 90 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 POP 12HR 30 70 40 60 50 60 50 60 RAIN SHWRS SC SC SC NM SC IS SC NM SC SC 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