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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EST Sat Nov 15 2025
WVZ043-152100-
RAWS 465401
37.53N 81.00W Elev. 2725 ft
301 AM EST Sat Nov 15 2025
Date Sat 11/15/25 Sun 11/16/25 Mon 11/17/25
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 62 48 52 30 45
TEMP 51 51 57 61 61 58 58 58 53 50 49 50 47 42 38 35 32 30 37 43 44 38
DEWPT 38 45 50 50 49 50 52 54 53 48 39 28 22 21 20 19 18 19 19 18 16 19
MAX/MIN RH 59 100 36 62 31
RH 61 80 77 67 65 75 80 86100 93 68 42 37 43 48 52 56 63 48 36 32 46
WIND DIR W W W W SW SW W W W NW NW NW NW NW NW NW NW W NW W W W
WIND SPD 8 9 10 12 12 12 13 13 13 13 17 17 17 12 13 11 11 10 11 11 9 4
WIND GUST 21 23 25 25 27 31 28 29 25 31 32 29 28 28 26 26 24 24 23
CLOUDS B1 B1 B2 OV B2 B1 B1 B1 B1 B1 FW FW CL CL CL CL CL CL CL FW CL FW
CLOUDS(%) 61 66 81 95 82 63 66 65 69 65 21 7 2 4 5 3 4 3 3 7 5 9
VSBY 10 10 10 10 10 10 10 8 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 70 10 0 0
RAIN SHWRS SC SC SC
MIX HGT <1 <1 2 3 3 1 1 1 1 1 3 4 4 2 1 1 1 1 3 4 3 <1
T WIND DIR W W W W SW SW W W W NW NW NW NW NW NW NW NW NW NW NW W W
T WIND SPD 10 9 13 20 18 18 17 20 21 27 35 35 35 21 16 16 19 14 26 23 20 10
DISPERSION PR FR FR FR FR FR FR FR FR VP
ADI 9 10 27 51 45 16 19 19 20 44 90101100 24 14 11 13 20 85 81 70 5
MAX LVORI 3 4 3 1 1 3 3 4 5 4 1 1 1 2 2 2 2 2 1 1 1 2
STABILITY D D D D D D D D D D D D D D D E E C C C C F
CEILING 1600 1100 900 400 None None None None None None
STA PRES 27.55 27.40 27.30 27.23 27.30 27.33 27.42 27.49 27.58 27.61
Date Tue 11/18/25Wed 11/19/25Thu 11/20/25Fri 11/21/25
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 31 49 43 56 44 57 47 61
TEMP 33 33 47 46 47 46 54 51 47 45 57 54 50 48 60 54
DEWPT 21 24 32 41 44 45 48 46 45 45 50 49 49 47 51 50
RH 61 69 56 83 89 96 80 83 93100 77 83 96 96 72 86
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1
POP 12HR 10 70 70 20 30 30 40 50
RAIN C L L C S S C C S C C C C 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