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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 1031 AM EDT Wed Jul 17 2024 NCZ006-172000- RAWS 310801 36.37N 79.29W Elev. 580 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 95 73 89 68 86 TEMP 87 92 91 83 77 75 74 76 84 85 82 80 74 72 70 71 79 83 83 79 DEWPT 74 73 73 73 73 72 72 72 72 72 71 72 71 70 68 68 68 68 69 70 MAX/MIN RH 52 95 64 95 60 RH 65 54 56 72 87 90 93 87 67 65 69 77 90 93 93 90 69 61 63 74 WIND DIR SW SW SW SW SW SW SW W NW NW NW NE N N N NE NE E E E WIND SPD 6 8 9 6 4 3 3 3 4 4 3 2 1 1 2 4 4 4 3 2 CLOUDS SC SC B1 OV B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 CLOUDS(%) 34 48 53 90 85 74 63 52 55 76 81 83 80 80 83 75 79 73 76 74 VSBY 7 7 7 4 10 9 6 10 10 10 10 4 POP 12HR 50 60 70 40 40 RAIN SHWRS IS SC NM SC IS SC SC NM NM SC SC IS IS SC SC SC TSTMS IS SC SC SC IS NM NM SC IS IS IS LAL 1 1 2 3 3 3 1 1 2 4 4 3 2 1 1 1 1 2 2 HAINES 4 4 4 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 3 MIX HGT 4 7 4 <1 <1 <1 <1 <1 4 3 2 <1 <1 <1 <1 2 4 5 5 <1 T WIND DIR W SW SW S S SW SW W NW NW NW W N N N NE NE E S S T WIND SPD 8 9 11 12 10 8 10 8 8 6 5 1 2 8 8 16 10 3 4 5 DISPERSION PR VP VP VP VP VP VP VP VP ADI 35 66 44 8 7 4 5 10 29 23 17 1 1 4 4 33 38 15 28 3 MAX LVORI 1 1 1 3 5 6 6 5 3 3 3 4 7 6 8 4 3 2 2 3 STABILITY B B C E E F F B C C B F F F F C C C B F CEILING 3200 4100 None 3800 6200 7400 3100 2600 3400 STA PRES 29.25 29.28 29.28 29.33 29.32 29.36 29.42 29.49 29.46 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 70 85 69 88 69 88 70 88 TEMP 72 72 80 78 72 72 85 80 72 72 85 81 74 73 84 81 DEWPT 70 70 73 72 70 71 72 72 71 71 72 73 72 72 73 73 RH 93 93 79 82 93 97 65 77 97 97 65 77 93 97 70 77 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 B1 POP 12HR 40 50 40 40 50 60 50 50 RAIN SHWRS SC SC SC SC SC IS IS SC SC IS IS NM SC IS SC SC TSTMS SC SC SC SC SC SC 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