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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Fri Nov 14 2025
NCZ001-142100-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
1231 PM EST Fri Nov 14 2025
Date Fri 11/14/25 Sat 11/15/25 Sun 11/16/25
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 56 45 56 47 51
TEMP 54 52 46 46 47 46 48 49 53 55 53 52 52 51 51 47 48 45 41
DEWPT 22 24 26 30 34 38 41 44 47 47 47 48 48 49 49 45 35 29 24
MAX/MIN RH 28 80 67 94 51
RH 28 33 45 53 60 73 77 83 80 74 80 86 86 93 93 93 60 53 50
WIND DIR W W W W W W W W W W W W W W W NW NW NW NW
WIND SPD 6 8 10 14 19 23 21 18 16 16 21 29 33 33 32 26 20 19 23
WIND GUST 36 31
CLOUDS CL FW CL CL FW FW SC B2 OV B2 SC B1 B1 B2 B2 B1 SC FW FW
CLOUDS(%) 5 6 3 4 11 19 50 76 95 75 36 60 69 77 87 56 36 16 16
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 40 20
RAIN SHWRS SC SC IS IS
MIX HGT 3 2 <1 <1 <1 <1 <1 1 2 2 1 <1 1 <1 <1 2 3 3 <1
T WIND DIR W W W W W W W W W W W W W W W NW NW NW NW
T WIND SPD 12 12 6 12 14 14 12 16 19 25 16 23 23 21 23 37 36 36 36
DISPERSION FR GD GD GD GD GD GD GD GD
ADI 45 29 5 11 13 13 14 23 36 46 14 21 21 20 25 69 92 88 33
MAX LVORI 1 2 2 2 2 3 4 4 3 3 4 4 4 4 4 4 1 1 1
STABILITY B B E D D D D D D D D D D D D D D D D
CEILING None None None 400 300 200 100 None None
STA PRES 26.76 26.74 26.67 26.63 26.50 26.40 26.31 26.31 26.31
Date Mon 11/17/25Tue 11/18/25Wed 11/19/25Thu 11/20/25
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 33 48 38 51 45 50 40 48
TEMP 36 33 47 39 40 41 48 47 48 45 49 43 42 41 45 43
DEWPT 20 19 21 24 27 33 43 45 45 44 45 43 41 40 43 41
RH 52 56 35 54 59 73 83 93 89 96 86100 96 96 93 93
WIND SPD 15> <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 0 0 20 50 30 10 20 30
RAIN S C C C S S S C
$$
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