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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 AM EST Thu Nov 12 2026
NCZ005-122100-
RAWS 310540
36.38N 79.70W Elev. 858 ft
331 AM EST Thu Nov 12 2026
Date Thu 11/12/26 Fri 11/13/26 Sat 11/14/26
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 67 40 55 34 52
TEMP 51 50 61 66 60 52 48 45 43 41 50 54 52 45 41 40 37 35 45 50 49 41
DEWPT 44 45 50 45 42 41 39 38 36 35 35 33 31 32 31 32 30 29 28 26 25 27
MAX/MIN RH 46 78 43 80 37
RH 77 83 67 47 51 66 71 76 76 79 56 45 44 60 67 73 75 78 51 39 39 57
WIND DIR SW SW W W W W W W W W NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 3 4 8 12 14 10 6 6 6 6 9 9 9 6 5 4 5 4 9 9 11 5
WIND GUST 23
CLOUDS SC SC FW SC SC SC FW CL FW SC FW SC SC SC B1 B1 FW FW FW FW FW FW
CLOUDS(%) 33 38 21 28 34 26 6 3 9 33 24 31 30 32 54 63 13 20 10 22 18 8
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 5 5 5 0
MIX HGT <1 <1 2 5 4 1 <1 <1 <1 <1 4 6 5 <1 <1 <1 <1 <1 4 7 6 <1
T WIND DIR W SW W W W NW W W W W NW NW NW NW NW NW NW NW NW NW NW NW
T WIND SPD 8 9 14 23 24 14 12 11 11 9 14 13 12 9 11 8 9 8 13 13 14 9
DISPERSION VP FR PR PR PR PR PR VP PR PR
ADI 4 10 40 98 65 10 6 5 5 10 58 61 54 4 8 5 4 8 54 64 67 4
MAX LVORI 3 4 1 1 1 3 3 4 4 4 1 1 1 3 3 3 3 4 1 1 1 3
STABILITY G B B C D E F F F B C C C F E E F B C C C F
CEILING None None None None None None None None None None
STA PRES 28.80 28.82 28.86 28.89 28.92 28.95 29.04 29.09 29.20 29.27
Date Sun 11/15/26Mon 11/16/26Tue 11/17/26Wed 11/18/26
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 29 53 28 55 28 56 28 60
TEMP 34 31 51 44 34 30 52 44 34 30 53 44 34 30 57 47
DEWPT 27 27 29 31 30 28 31 33 31 29 33 34 31 28 33 34
RH 75 85 42 60 85 92 44 65 89 96 46 68 89 92 40 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL FW FW FW FW FW FW FW FW FW FW CL
POP 12HR 0 0 0 0 0 5 5 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