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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 AM EST Fri Nov 13 2026
VAZ012-132100-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
1001 AM EST Fri Nov 13 2026
Date Fri 11/13/26 Sat 11/14/26 Sun 11/15/26
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 39 30 37 25 46
TEMP 38 38 35 34 33 32 30 33 36 36 33 32 31 29 27 37 43 45 38
DEWPT 31 29 30 30 31 29 27 28 28 26 23 23 23 24 24 29 27 25 26
MAX/MIN RH 69 92 64 91 44
RH 76 70 82 85 92 88 88 82 72 67 66 69 72 81 88 72 53 45 62
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 2 2 3 3 4 5 5 4 4 4 4 4 3 3 3 3 3 3 2
WIND GUST 13
CLOUDS B2 B2 B2 B2 B2 B1 B2 B2 B2 SC SC SC SC B1 B2 B2 B1 SC SC
CLOUDS(%) 86 86 81 75 70 66 79 87 73 45 34 38 43 63 70 71 57 46 49
VSBY 10 9 8 7 7 9 10 10 10 10 10 10 10 10 9 10 10 10 10
POP 12HR 30 20 5 0 0
RAIN
RAIN SHWRS IS IS IS
SNOW S S
SNOWSHWRS IS
MIX HGT 3 4 <1 1 1 1 2 3 4 4 <1 <1 <1 1 1 3 3 3 1
T WIND DIR NW NW N N NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
T WIND SPD 17 16 10 11 11 14 17 18 18 18 12 13 12 13 14 17 14 12 9
DISPERSION VP VP VP PR VP VP VP VP VP
ADI 43 57 5 5 8 10 34 45 48 79 6 6 6 6 28 53 48 47 4
MAX LVORI 1 1 3 4 4 4 3 3 1 1 3 3 3 4 4 3 1 1 3
STABILITY D C F F E E D D D B F F F F C C C B F
CEILING 500 600 600 1500 None None 1600 1700 None
STA PRES 27.02 27.07 27.13 27.24 27.30 27.37 27.42 27.50 27.52
Date Mon 11/16/26Tue 11/17/26Wed 11/18/26Thu 11/19/26
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 55 25 60 26 64 28 67
TEMP 30 25 51 39 30 27 55 43 32 29 59 47 34 30 62 49
DEWPT 24 22 27 27 23 22 26 25 23 21 24 24 23 20 25 27
RH 78 88 39 62 75 81 32 49 69 72 26 40 64 66 24 42
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW FW FW CL CL CL FW CL CL CL FW FW
POP 12HR 0 0 0 0 0 0 0 0
$$
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