Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE Blacksburg VA 431 AM EST Fri Feb 28 2025 NCZ001-282100- RAWS 310142 36.40N 81.46W Elev. 4608 ft 431 AM EST Fri Feb 28 2025 Date Fri 02/28/25 Sat 03/01/25 Sun 03/02/25 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 MAX/MIN TEMP 48 38 44 16 31 TEMP 31 35 44 46 43 42 42 40 38 39 40 37 29 26 21 18 16 21 30 31 27 DEWPT 22 18 19 20 21 23 26 29 31 30 25 21 19 16 12 8 7 3 3 4 7 MAX/MIN RH 33 76 52 69 30 RH 69 49 36 35 41 46 53 64 76 70 55 52 66 65 68 64 67 45 31 31 42 WIND DIR NW W W W W W W W W W W NW NW NW NW NW NW NW NW NW NW WIND SPD 23 18 13 17 17 21 29 28 23 25 24 24 25 25 21 18 16 12 11 12 11 WIND GUST 41 43 42 42 44 43 39 32 27 23 23 CLOUDS FW CL CL CL CL CL CL FW FW SC SC SC B1 B1 SC FW FW FW CL CL FW CLOUDS(%) 12 2 4 5 4 4 5 15 24 29 27 39 55 54 38 18 12 7 4 5 6 VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 POP 12HR 0 0 0 0 0 MIX HGT <1 2 2 3 <1 <1 <1 <1 <1 3 4 4 2 2 2 2 1 2 4 3 <1 T WIND DIR NW NW W W W W W W W W W W NW NW NW NW NW NW NW NW NW T WIND SPD 14 18 14 21 9 10 16 14 13 28 29 24 24 26 26 25 19 13 12 14 12 DISPERSION GD GD GD GD GD GD GD GD FR ADI 16 38 42 53 8 9 14 13 15 66 82 66 32 36 36 28 27 34 44 52 8 MAX LVORI 3 1 1 1 2 2 2 2 3 1 1 1 3 1 3 3 3 1 1 1 2 STABILITY D D C D D D D D D D D D D D D D D C C C E CEILING None None None None None None None None None None STA PRES 26.56 26.48 26.44 26.37 26.39 26.42 26.52 26.59 26.67 26.66 Date Mon 03/03/25Tue 03/04/25Wed 03/05/25Thu 03/06/25 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 MIN/MAX TEMP 19 42 30 49 44 55 30 35 TEMP 22 22 39 34 31 32 45 44 46 47 50 49 40 31 33 31 DEWPT 8 7 11 21 22 24 33 36 40 44 44 41 29 20 22 20 RH 54 52 31 58 69 72 62 73 79 89 80 74 64 63 63 63 WIND SPD <15 <15 <15 <15 15> 15> 15> 15> AVG CLOUDS FW FW SC SC SC B1 B1 B1 B2 OV OV OV B1 B1 B1 SC POP 12HR 0 5 30 30 80 100 40 10 RAIN S C C C D ? ? C S SNOW S C C S $$ 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