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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 1101 PM EDT Thu Apr 25 2024 NCZ006-260800- RAWS 310801 36.37N 79.29W Elev. 580 ft 1101 PM EDT Thu Apr 25 2024 Date 04/25/24 Fri 04/26/24 Sat 04/27/24 Sun 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 47 67 50 72 54 TEMP 53 50 49 54 61 65 62 58 54 52 51 61 69 72 68 61 57 54 57 DEWPT 46 45 45 47 48 49 50 49 48 48 47 51 52 51 52 51 52 52 52 MIN/MAX RH 87 56 87 48 93 RH 77 83 86 77 62 56 65 72 80 86 86 70 55 48 57 70 83 93 83 WIND DIR E NE NE NE E E E E E E E SE SE S SE S S S SW WIND SPD 5 5 5 5 5 5 3 5 5 4 3 4 6 5 3 4 5 4 5 CLOUDS B2 OV OV B2 B2 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC CLOUDS(%) 76 99 88 82 75 55 61 67 73 86 84 78 67 64 65 57 48 37 33 VSBY 10 5 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 POP 12HR 5 10 5 0 0 DRIZZLE ? Obvis PF LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 3 2 2 2 2 3 3 3 3 3 3 3 3 4 4 MIX HGT <1 2 2 2 3 3 <1 <1 1 <1 <1 2 3 4 <1 <1 <1 <1 1 T WIND DIR E E E E E E E E E SE SE SE S S SE S S SW SW T WIND SPD 13 11 10 9 8 8 11 8 11 9 9 9 11 13 6 10 10 10 12 DISPERSION PR PR VP PR PR VP VP VP PR VP ADI 9 8 21 24 24 27 5 5 8 6 10 24 37 50 3 MAX LVORI 4 5 4 3 2 2 3 3 4 5 4 3 1 1 3 STABILITY E E C C C C F E E E B C C C F CEILING 4500 1600 3100 3900 2300 5500 3900 None STA PRES 29.65 29.72 29.70 29.72 29.73 29.78 29.71 Date 04/28Mon 04/29/24Tue 04/30/24Wed 05/01/24Thu 05/02/24 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 80 57 86 58 87 59 87 60 84 TEMP 78 74 61 60 83 78 63 62 84 78 63 63 85 80 64 63 81 76 DEWPT 56 55 53 55 57 56 54 55 57 58 58 59 57 58 56 57 54 51 RH 47 51 75 84 41 47 72 78 40 50 84 87 39 47 75 81 39 42 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC FW CL CL CL CL CL FW FW SC SC FW FW FW FW FW SC SC POP 12HR 0 0 0 0 20 10 20 10 20 RAIN SHWRS IS IS IS TSTMS IS IS 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