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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EST Fri Nov 13 2026
VAZ018-132100-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
131 PM 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 45 32 45 34 49
TEMP 42 36 35 34 34 33 40 44 44 38 37 36 35 35 43 49 47 40
DEWPT 27 25 25 25 25 23 28 28 26 25 24 24 25 26 31 32 31 29
MAX/MIN RH 54 72 49 74 51
RH 55 64 66 69 69 66 62 53 49 59 59 61 66 69 62 52 53 64
WIND DIR N NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 5 6 5 6 9 10 13 10 10 10 11 10 9 8 8 6 6 5
WIND GUST 21 19 20 27 34 34 28 28 29 33 31 29 26 24 18 19 18
CLOUDS B2 B2 B2 B1 B1 B1 B1 B1 FW FW FW FW SC SC B1 SC SC SC
CLOUDS(%) 71 74 73 63 57 56 69 52 24 9 20 23 34 49 61 47 39 32
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 5 5 0 0
MIX HGT 4 1 1 1 <1 1 4 4 4 1 <1 1 <1 1 3 4 4 <1
T WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
T WIND SPD 18 11 11 12 12 14 21 21 20 14 14 14 13 12 18 14 14 10
DISPERSION PR PR PR PR FR FR FR PR PR
ADI 68 8 8 11 8 20 58 82 78 10 10 10 12 16 61 67 64 5
MAX LVORI 1 3 3 3 3 3 1 1 1 2 2 2 3 3 1 1 1 3
STABILITY C E E D E C D C C E E E D C C B B F
CEILING 3400 8600 1200 2100 None None None None None
STA PRES 27.56 27.62 27.66 27.77 27.83 27.91 27.96 28.03 28.07
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 31 58 32 62 35 65 38 67
TEMP 35 32 56 43 36 34 60 49 39 36 64 51 42 39 65 53
DEWPT 26 24 33 29 26 25 33 29 26 24 31 27 24 24 31 29
RH 69 72 42 57 67 69 36 46 59 61 29 39 48 54 28 39
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW CL CL CL FW CL CL CL CL 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