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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 901 PM EDT Sat May 24 2025 NCZ018-250800- RAWS 311941 36.22N 81.63W Elev. 3254 ft 901 PM EDT Sat May 24 2025 Date 05/24/25 Sun 05/25/25 Mon 05/26/25 Tue 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 50 64 51 62 50 TEMP 52 51 51 52 57 62 63 58 57 56 54 53 57 60 60 58 55 53 51 51 DEWPT 41 41 41 43 44 50 53 54 54 53 51 52 52 51 50 50 49 48 47 48 MIN/MAX RH 71 60 95 69 91 RH 66 68 68 71 62 65 70 86 90 90 90 96 83 72 69 75 80 83 86 89 WIND DIR NW NW SE SE S S S S N N N NE E E SE SE SE SE SE SE WIND SPD 3 2 1 3 3 3 3 2 0 0 1 2 3 3 4 3 3 4 5 8 WIND GUST 13 14 16 18 CLOUDS B2 SC B1 B1 B2 B2 OV OV B2 OV OV OV OV B2 B1 B1 B2 B2 B2 B2 CLOUDS(%) 83 47 51 61 75 79 90 98 83 90 94 98 90 71 61 68 78 84 81 80 VSBY 10 10 10 10 10 10 6 6 6 6 10 10 10 10 10 10 POP 12HR 10 50 70 40 40 RAIN L L C C C S S S S C C D RAIN SHWRS SC SC MIX HGT <1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 1 1 2 1 T WIND DIR NW N E SE S SW SW SW S S SW E E E E E T WIND SPD 4 2 1 8 10 2 3 4 1 4 1 6 8 10 10 10 DISPERSION VP VP VP VP VP VP VP VP VP VP PR ADI 2 1 1 10 20 6 8 2 1 2 1 7 12 19 20 5 MAX LVORI 3 3 4 3 2 3 3 5 7 6 7 6 4 3 3 3 STABILITY F F F B B B B F F F F B B B C F CEILING None 2200 300 200 200 200 300 300 STA PRES 27.05 27.06 26.99 26.94 26.93 27.00 27.02 Date 05/27Wed 05/28/25Thu 05/29/25Fri 05/30/25Sat 05/31/25 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 56 52 68 58 70 55 68 53 67 TEMP 55 55 53 56 66 65 61 61 68 65 58 58 66 63 56 56 64 61 DEWPT 47 48 50 52 58 58 56 57 58 58 55 55 55 54 52 52 51 50 RH 74 77 89 86 75 78 84 87 70 78 90 90 68 72 86 86 63 67 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B2 B2 B2 B2 B1 B2 B2 B1 SC B1 B1 B1 B1 SC SC B1 SC POP 12HR 80 80 60 30 40 20 50 30 40 RAIN D D D RAIN SHWRS NM NM NM SC IS SC SC IS SC SC SC IS SC SC TSTMS IS IS IS SC IS IS 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 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