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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 301 AM EDT Thu Apr 25 2024 VAZ024-252000- RAWS 441631 37.63N 79.51W Elev. 865 ft 301 AM EDT Thu Apr 25 2024 Date Thu 04/25/24 Fri 04/26/24 Sat 04/27/24 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 68 46 60 48 65 TEMP 46 48 58 65 67 60 54 49 47 48 52 57 60 57 53 51 49 49 55 61 64 62 DEWPT 39 40 43 41 41 41 42 41 40 42 41 42 43 44 44 44 44 44 46 49 50 51 MAX/MIN RH 39 83 54 85 61 RH 76 74 57 41 39 49 64 74 76 80 66 57 53 62 71 77 83 83 72 65 60 67 WIND DIR N N E SE SE E E E E E E SE SE SE E E E E SE SE S S WIND SPD 3 4 4 5 6 8 9 6 4 4 5 6 5 5 4 5 4 3 4 6 6 5 CLOUDS SC SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV B2 B2 B2 CLOUDS(%) 40 38 32 29 39 57 65 65 76 83 80 78 83 81 88 90 92 94 90 85 85 76 VSBY 10 10 10 10 10 10 10 7 10 10 10 10 10 10 10 7 7 POP 12HR 0 10 10 20 20 DRIZZLE C RAIN S S S S LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 5 3 3 4 4 4 4 3 3 2 2 3 3 2 2 2 2 3 3 3 3 3 MIX HGT <1 1 4 6 6 1 <1 1 <1 1 3 3 3 <1 <1 <1 <1 1 2 2 2 <1 T WIND DIR NE NE E E E E E E E E E SE SE E E SE SE SE S S S SE T WIND SPD 4 8 2 3 5 12 13 11 6 6 5 9 8 5 5 9 11 9 8 12 12 5 DISPERSION VP PR PR PR VP PR VP PR VP PR ADI 2 12 11 25 37 11 12 8 5 12 17 32 28 4 4 6 8 13 16 34 33 4 MAX LVORI 4 3 2 2 1 2 2 3 4 4 3 1 2 3 3 4 4 4 3 3 1 3 STABILITY G A A A B D D E E C C C C E E E E B C C C E CEILING None None 2500 1500 1700 1600 900 600 600 600 STA PRES 28.70 28.68 28.75 28.79 28.84 28.82 28.83 28.84 28.88 28.81 Date Sun 04/28/24Mon 04/29/24Tue 04/30/24Wed 05/01/24 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 53 81 57 86 60 84 58 82 TEMP 56 58 78 72 61 61 83 76 64 64 81 73 63 62 79 73 DEWPT 50 52 56 56 54 55 56 57 55 56 57 57 56 55 50 52 RH 80 80 47 57 78 81 40 52 73 75 44 57 78 78 36 48 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 SC SC FW FW FW FW FW FW SC B1 B2 B1 SC FW FW POP 12HR 5 5 5 5 10 50 20 10 RAIN SHWRS IS SC IS TSTMS SC IS $$ 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