Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Mon Nov 17 2025
VAZ018-172100-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
701 AM EST Mon Nov 17 2025
Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25
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 51 35 55 46 64
TEMP 43 49 49 41 38 37 35 36 48 54 52 47 47 47 47 48 57 63 62 54
DEWPT 18 18 18 17 18 17 18 20 24 28 32 34 40 43 45 45 51 53 52 49
MAX/MIN RH 28 53 35 92 67
RH 36 29 29 37 44 44 49 52 39 36 46 60 76 86 93 89 80 70 70 83
WIND DIR NW NW NW NW NW NW W W S SE SE SE S W W W W W W S
WIND SPD 13 11 10 8 6 5 4 2 2 4 3 2 2 2 2 2 2 3 2 2
WIND GUST 31 26 24 12 12
CLOUDS CL CL CL CL FW FW FW SC B1 B2 B2 OV OV B1 B2 B2 B1 B2 B1 B2
CLOUDS(%) 2 5 2 4 22 10 19 33 65 86 86 94 90 69 71 73 67 70 65 76
VSBY 10 10 10 10 10 10 10 10 9 9 9 9 5 2 4 6 9 9 9 9
POP 12HR 0 5 50 80 5
RAIN S S C C D D C C S
MIX HGT 2 3 3 <1 <1 <1 <1 <1 <1 1 <1 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR NW NW W W NW W W W W SE SE SE S SW W NW NW W W SE
T WIND SPD 24 21 21 9 8 4 3 3 3 8 9 6 4 4 6 5 17 9 8 2
DISPERSION PR PR PR VP VP VP VP VP VP
ADI 48 68 65 4 4 2 2 3 3 11 7 3 2 2 3 4 23 25 19 1
MAX LVORI 1 1 1 2 2 2 2 2 2 2 2 3 3 5 6 6 3 3 3 5
STABILITY C C C F F G G B B C C F F F F C C C C F
CEILING None None None None 8200 5000 3800 400 100 800
STA PRES 27.72 27.76 27.83 27.88 27.89 27.81 27.78 27.83 27.90 27.90
Date Thu 11/20/25Fri 11/21/25Sat 11/22/25Sun 11/23/25
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 49 66 52 68 54 66 48 62
TEMP 51 49 64 56 53 54 67 59 58 54 65 55 53 49 61 51
DEWPT 47 45 52 49 48 50 56 52 50 48 52 48 46 42 45 42
RH 86 86 65 77 83 86 68 78 75 80 63 77 77 77 56 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC
POP 12HR 20 10 40 40 50 40 30 20
RAIN S C C C C C C C C C C S 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