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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Sun Nov 16 2025
VAZ020-170900-
RAWS 441801
37.99N 79.76W Elev. 2160 ft
701 PM EST Sun Nov 16 2025
Date 11/16/25 Mon 11/17/25 Tue 11/18/25 Wed
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 32 50 30 50 41
TEMP 40 37 34 33 41 49 47 39 36 35 33 32 42 49 46 44 45 44 43 43
DEWPT 16 15 14 14 15 14 13 15 16 16 18 17 18 20 26 33 35 37 39 39
MIN/MAX RH 45 23 58 32 87
RH 37 40 43 45 34 24 25 37 43 45 53 53 37 31 45 65 68 76 86 86
WIND DIR NW NW NW NW NW NW NW W W W W W SW S S S S W W NW
WIND SPD 8 6 6 5 5 4 4 3 2 2 2 2 2 3 3 2 2 2 2 2
WIND GUST 24 21 20 19 17 16 14
CLOUDS CL FW CL CL CL CL CL FW SC SC SC B1 B2 B2 B2 OV OV B2 B2 B2
CLOUDS(%) 5 7 3 2 4 5 5 10 26 32 27 51 70 84 87 93 95 82 70 73
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 3 3 3 2 0 0 1 1
POP 12HR 0 0 0 60 70
RAIN SHWRS SC SC NM NM SC SC
MIX HGT 1 1 1 <1 3 3 3 <1 <1 <1 <1 <1 <1 <1 <1 <1
T WIND DIR NW NW NW NW NW NW W W W W W W W SE S SE
T WIND SPD 13 13 14 12 19 19 19 10 5 3 2 2 3 4 11 5
DISPERSION PR PR PR VP VP VP VP VP VP VP VP
ADI 9 6 7 16 67 81 67 5 3 2 1 2 3 4 9 3
MAX LVORI 2 2 2 2 1 1 1 2 2 2 2 2 2 2 2 3
STABILITY E F F B B B B G G G G C C C C F
CEILING None None None None None None 5700 600 600
STA PRES 27.58 27.64 27.75 27.80 27.87 27.92 27.95 27.88
Date 11/19Thu 11/20/25Fri 11/21/25Sat 11/22/25Sun 11/23/25
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 60 47 65 50 66 51 63 42 59
TEMP 58 53 51 48 63 55 52 51 64 59 56 53 62 53 48 44 58 49
DEWPT 48 46 46 46 50 48 47 48 52 48 49 47 46 41 40 38 38 37
RH 69 77 83 93 62 77 83 89 65 67 77 80 56 64 74 79 47 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 OV B2 B2 B1 B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC
POP 12HR 5 10 10 30 30 40 30 20 10
RAIN SHWRS SC SC SC SC SC SC SC SC 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
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