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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 AM EST Tue Nov 25 2025
VAZ020-252100-
RAWS 441801
37.99N 79.76W Elev. 2160 ft
431 AM EST Tue Nov 25 2025
Date Tue 11/25/25 Wed 11/26/25 Thu 11/27/25
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 51 62 31 39
TEMP 43 47 53 52 52 54 54 54 54 58 60 53 44 39 36 33 31 34 39 36 31
DEWPT 35 40 44 47 49 50 51 52 51 52 47 37 26 23 20 19 17 16 14 12 12
MAX/MIN RH 62 95 50 57 35
RH 73 76 71 83 89 86 90 93 90 80 62 54 49 52 52 56 56 47 35 36 45
WIND DIR S S S S S S SW SW SW W W W W W W W W W W W W
WIND SPD 2 2 2 2 2 3 3 3 3 4 5 6 9 10 10 10 9 6 5 6 6
WIND GUST 17 19 23 25 25 25 23 19 18 18 19
CLOUDS B2 B2 OV OV OV OV B2 B1 SC SC SC FW FW SC SC B1 B1 SC SC FW FW
CLOUDS(%) 81 84 93 93 91 89 84 69 49 46 41 23 19 31 49 54 56 48 32 12 20
VSBY 10 10 8 2 1 1 2 2 7 7 10 10 10 10 10 10 10 10 10 10
POP 12HR 90 50 20 0 0
RAIN C C L C C C C S S
MIX HGT <1 <1 1 <1 <1 <1 <1 <1 <1 3 4 4 2 2 3 3 3 3 4 4 <1
T WIND DIR SE S SE S S SW NW SW SW W W W W W W W W W W W W
T WIND SPD 2 5 3 6 3 3 1 2 5 27 32 32 32 34 33 33 32 27 25 26 34
DISPERSION VP VP VP VP PR FR FR FR PR
ADI 2 5 5 5 2 2 1 1 6 83114115 22 23 45 45 76 94 96100 15
MAX LVORI 3 4 3 4 6 6 7 7 5 3 1 1 2 2 1 1 1 1 1 1 2
STABILITY C C C C F F F F B C C C E E D D D C C C F
CEILING 1900 500 500 400 None None None None None None
STA PRES 27.90 27.78 27.73 27.66 27.65 27.65 27.71 27.72 27.76 27.77
Date Fri 11/28/25Sat 11/29/25Sun 11/30/25Mon 12/01/25
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 24 34 21 41 29 45 31 48
TEMP 28 25 34 27 24 21 41 31 30 31 44 37 35 35 47 42
DEWPT 11 10 10 9 11 13 10 13 15 20 26 26 26 28 36 34
RH 48 52 36 46 57 71 27 47 53 63 49 64 69 75 65 73
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC FW FW SC SC SC B2 B2 B1 B1 B1 B1 B2 B2
POP 12HR 0 0 0 0 10 30 30 30
RAIN C S C 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