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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 1031 AM EDT Wed Jul 17 2024 VAZ046-172000- RAWS 441101 37.39N 78.80W Elev. 804 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 71 87 66 86 TEMP 88 93 90 80 75 73 73 74 82 83 82 78 72 70 68 70 78 83 84 78 DEWPT 72 71 72 74 72 71 71 71 70 69 69 70 69 67 63 62 62 64 65 67 MAX/MIN RH 48 97 63 90 51 RH 59 49 56 82 90 93 93 90 67 63 65 76 90 90 84 76 58 53 53 69 WIND DIR SW SW SW SW SW SW W NW N NE N E N N N NE NE NE E SE WIND SPD 6 9 9 8 5 4 4 4 5 5 4 3 2 2 4 5 5 5 4 3 CLOUDS B1 B1 B1 B2 B2 B2 B1 B1 B1 B2 B1 B2 B2 B2 B2 B1 B1 B1 B1 SC CLOUDS(%) 54 53 63 81 73 72 63 67 68 85 69 71 78 72 70 56 62 55 61 50 VSBY 7 7 6 5 9 6 7 7 10 10 10 6 POP 12HR 70 50 50 20 10 RAIN SHWRS SC SC SC SC SC SC SC SC SC IS IS TSTMS SC SC SC SC SC SC LAL 1 1 3 3 3 3 1 1 1 3 3 1 1 1 1 1 1 1 1 HAINES 4 4 4 3 3 3 3 3 3 3 3 4 4 3 3 4 4 4 4 4 MIX HGT 4 7 5 <1 <1 <1 <1 <1 3 4 3 <1 <1 <1 <1 1 3 5 5 <1 T WIND DIR W SW SW S S SW SW N N N W N N N NE N NE E SE S T WIND SPD 9 10 12 13 19 11 3 4 6 4 4 8 4 4 6 13 11 2 3 2 DISPERSION PR PR VP VP VP VP VP VP VP ADI 46 50 50 12 13 8 2 5 21 17 13 4 2 2 5 17 37 10 14 1 MAX LVORI 1 1 1 4 5 6 8 6 3 2 2 4 6 6 5 3 1 2 2 3 STABILITY B C C D E E E B C C C F F F E C C C C F CEILING 3900 300 3100 8300 4400 3000 3900 3500 3700 STA PRES 29.16 29.18 29.20 29.26 29.25 29.32 29.38 29.43 29.39 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 83 68 89 68 88 69 87 TEMP 70 71 80 77 70 71 87 80 71 72 86 79 72 72 84 80 DEWPT 67 68 69 71 69 70 69 71 70 70 70 72 70 71 71 72 RH 90 90 69 82 97 97 55 74 97 93 59 79 93 97 65 77 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC B2 B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 POP 12HR 20 40 30 40 30 60 50 50 RAIN SHWRS IS SC SC SC 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