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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 331 PM EDT Fri May 10 2024 VAZ020-110800- RAWS 441801 37.99N 79.76W Elev. 2160 ft 331 PM EDT Fri May 10 2024 Date 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 MIN/MAX TEMP 45 69 46 67 44 TEMP 60 60 54 51 48 51 60 65 68 55 51 49 47 49 59 65 66 59 52 49 46 52 DEWPT 45 43 42 41 40 41 39 39 42 44 44 43 41 42 39 37 37 38 38 38 38 40 MIN/MAX RH 79 37 80 33 73 RH 58 53 64 68 74 68 46 38 39 66 77 80 79 77 47 35 34 45 59 66 73 63 WIND DIR NW NW NW NW NW NW W W W W W W W W NW NW NW NW NW NW NW SW WIND SPD 12 10 8 5 4 4 5 9 11 6 5 6 6 9 11 11 10 8 2 3 3 3 CLOUDS SC FW FW FW SC SC FW SC B2 SC SC SC SC FW FW FW FW CL CL CL CL FW CLOUDS(%) 32 21 15 11 34 38 13 38 70 39 33 31 26 16 10 9 8 2 1 2 3 7 VSBY 7 7 7 7 7 7 7 7 3 7 7 7 7 7 7 7 7 7 POP 12HR 5 60 30 5 0 RAIN SHWRS IS SC NM SC IS TSTMS IS IS LAL 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 HAINES 3 3 3 3 3 5 5 5 5 3 3 4 4 4 4 4 4 4 MIX HGT 4 1 <1 <1 <1 1 6 7 3 <1 <1 <1 <1 2 5 7 7 <1 T WIND DIR NW NW NW NW NW NW W W W W W W W NW NW NW NW NW T WIND SPD 19 19 9 5 3 8 8 13 21 14 8 5 3 24 29 24 19 10 DISPERSION FR PR PR VP PR PR PR PR PR VP VP VP ADI 72 13 6 3 2 14 56108 49 7 4 3 2 74124114140 7 MAX LVORI 1 2 3 3 4 3 1 1 1 3 4 4 4 3 1 1 1 2 STABILITY C E E F F A A B D F F F F B C C B E CEILING None None None None None None None None None STA PRES 27.64 27.67 27.65 27.61 27.64 27.65 27.69 27.72 Date 05/13Tue 05/14/24Wed 05/15/24Thu 05/16/24Fri 05/17/24 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 MAX/MIN TEMP 75 56 70 58 72 55 76 59 68 TEMP 72 66 59 59 66 63 61 60 70 64 58 58 73 67 61 61 67 64 DEWPT 43 48 49 52 56 56 56 56 56 53 50 51 48 52 52 55 58 57 RH 35 52 69 78 70 78 84 87 61 67 75 77 41 59 72 81 73 78 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW SC B2 OV OV OV OV OV B2 B1 SC SC SC SC B1 B2 B2 B2 POP 12HR 0 30 70 70 60 30 20 30 50 RAIN SHWRS SC NM NM NM SC NM NM SC IS IS IS SC SC SC TSTMS SC SC IS IS SC IS IS 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