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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
601 PM EST Sat Nov 15 2025
VAZ020-160900-
RAWS 441801
37.99N 79.76W Elev. 2160 ft
601 PM EST Sat Nov 15 2025
Date 11/15/25 Sun 11/16/25 Mon 11/17/25 Tue
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 50 55 31 49 31
TEMP 60 60 60 56 52 52 53 48 42 40 37 34 32 40 48 45 39 36 34 33 33
DEWPT 48 50 52 52 41 30 20 17 16 18 18 16 16 17 15 16 17 19 18 19 20
MIN/MAX RH 84 26 51 26 59
RH 64 69 75 86 66 43 27 29 34 41 46 47 51 39 26 31 40 50 51 56 58
WIND DIR W W W W NW NW NW NW NW NW NW NW W NW W W W W W W W
WIND SPD 8 8 11 11 13 13 12 12 10 8 6 6 5 5 4 4 3 2 2 2 2
WIND GUST 18 21 25 25 25 27 26 26 25 23 19 17 16 14
CLOUDS SC SC B1 SC FW CL CL CL FW FW FW CL CL CL CL CL FW SC SC SC SC
CLOUDS(%) 43 48 64 47 19 4 5 4 6 8 7 2 1 2 3 2 6 27 45 43 49
VSBY 10 10 8 10 10 10 10 10 10 10 10 10 10 10 3 3 10
POP 12HR 50 0 0 0 5
RAIN S
RAIN SHWRS SC
MIX HGT <1 <1 1 1 1 3 4 4 1 1 2 2 1 3 4 3 <1
T WIND DIR SW W W W NW NW NW NW NW NW NW NW NW NW NW W W
T WIND SPD 14 16 18 17 33 34 33 35 29 18 17 27 17 27 27 23 11
DISPERSION PR PR FR FR FR PR PR PR VP VP VP VP
ADI 10 11 16 15 55109123132 20 12 8 12 31103127 94 5
MAX LVORI 3 3 3 4 1 1 1 1 2 2 2 2 1 1 1 1 2
STABILITY E E D D C C C C E E F F B B B B G
CEILING None None None None None None None None None
STA PRES 27.43 27.33 27.43 27.47 27.56 27.65 27.73 27.77
Date 11/18Wed 11/19/25Thu 11/20/25Fri 11/21/25Sat 11/22/25
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 50 43 61 46 59 48 61 49 60
TEMP 49 44 46 45 60 52 49 47 57 52 50 49 59 55 53 50 59 50
DEWPT 25 35 40 42 48 45 44 43 48 45 44 45 48 46 47 46 45 40
RH 39 70 79 89 64 77 83 86 72 77 80 86 67 72 80 86 60 68
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1
POP 12HR 40 40 20 20 20 30 40 50 30
RAIN S C C S S S S S C C
RAIN SHWRS SC SC SC SC SC SC
$$
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