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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 AM EST Thu Nov 12 2026
VAZ018-122100-
RAWS 444002
37.56N 80.18W Elev. 2702 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 52 38 46 33 42
TEMP 46 45 51 50 45 44 44 42 41 39 42 45 43 38 37 36 35 34 38 41 39 36
DEWPT 39 43 47 45 40 39 36 35 35 33 33 32 29 28 28 28 26 26 26 26 25 24
MAX/MIN RH 76 87 56 73 54
RH 76 93 86 83 82 82 73 76 79 79 70 60 57 67 70 72 69 72 62 55 57 61
WIND DIR W W W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 3 4 9 9 11 13 13 13 13 13 10 8 8 6 6 8 10 11 11 10 10 10
WIND GUST 13 17 28 27 31 34 33 34 36 37 28 23 23 23 23 25 31 33 32 27 27 29
CLOUDS B2 SC B2 B2 OV B1 B1 B1 B1 B2 B1 SC SC SC B1 B1 SC SC B1 B1 B1 SC
CLOUDS(%) 77 29 73 80 89 59 55 56 62 74 54 35 45 44 65 54 47 48 51 59 53 39
VSBY 10 10 10 9 5 8 10 10 10 10 7 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 40 10 0 5 0
RAIN C S L C
MIX HGT <1 <1 2 3 3 1 <1 1 1 2 3 4 4 1 2 2 2 2 4 5 5 1
T WIND DIR W W W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
T WIND SPD 11 9 18 21 21 20 16 17 17 18 18 16 17 10 11 12 13 12 18 18 18 13
DISPERSION VP FR FR FR FR PR PR PR FR FR
ADI 5 10 39 50 48 19 14 15 15 32 45 73 88 7 8 14 19 25 51 54 54 9
MAX LVORI 3 4 3 3 4 3 4 4 4 3 3 1 1 3 3 3 3 3 1 1 1 3
STABILITY F B D D D D D D D D D B B E E D D C D D D E
CEILING 1800 1000 None 1800 None None None None None None
STA PRES 27.37 27.39 27.41 27.43 27.47 27.52 27.59 27.63 27.72 27.80
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 31 46 29 53 29 56 29 62
TEMP 34 33 44 40 34 31 50 41 33 31 53 43 35 31 59 47
DEWPT 25 26 28 26 24 24 31 26 23 24 31 26 23 23 29 26
RH 69 75 53 57 66 75 48 55 66 75 43 51 61 72 32 43
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC FW FW SC SC FW FW FW FW CL CL CL 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