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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1131 AM EST Wed Nov 11 2026
VAZ046-112100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
1131 AM EST Wed Nov 11 2026
Date Wed 11/11/26 Thu 11/12/26 Fri 11/13/26
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 71 46 67 37 53
TEMP 69 69 57 53 50 48 47 59 66 61 52 46 42 39 38 50 53 52 42
DEWPT 47 46 47 47 46 44 45 49 48 42 41 39 37 35 33 34 31 27 29
MAX/MIN RH 42 93 50 86 37
RH 45 44 69 80 86 86 93 69 52 49 66 76 82 85 82 54 43 38 60
WIND DIR S S S S SW SW SW W W W NW W W W W NW NW NW NW
WIND SPD 8 8 3 3 4 3 4 6 13 13 10 8 6 8 8 10 12 12 9
WIND GUST 24 21 18 17 19
CLOUDS SC SC FW B1 CL FW B2 SC SC SC SC FW FW SC FW FW SC B1 B1
CLOUDS(%) 41 31 23 53 5 11 86 28 39 35 31 14 16 34 18 18 36 54 51
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 20 20 20 5
RAIN SHWRS IS IS IS IS
MIX HGT 5 4 <1 <1 <1 <1 <1 4 5 4 <1 <1 <1 <1 <1 4 7 6 <1
T WIND DIR SW SW S SW SW W SW W W NW W W W W NW NW NW NW NW
T WIND SPD 10 10 8 9 9 9 11 19 21 20 12 10 10 8 8 11 12 14 10
DISPERSION VP VP VP VP FR PR PR PR PR
ADI 57 50 4 6 4 6 13 72 65 60 8 7 5 5 8 45 58 50 9
MAX LVORI 1 1 3 4 5 5 5 1 1 1 3 4 5 5 4 1 1 1 2
STABILITY B B G E F E D C D D E E F E B C C D D
CEILING None None None None None None None None None
STA PRES 29.10 29.02 28.91 28.88 28.93 28.98 28.99 29.05 29.05
Date Sat 11/14/26Sun 11/15/26Mon 11/16/26Tue 11/17/26
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 30 52 28 54 27 54 28 54
TEMP 34 31 51 42 32 29 52 43 32 28 52 43 32 29 52 43
DEWPT 27 25 26 26 26 24 28 28 27 25 29 29 28 26 31 31
RH 75 78 37 53 78 81 39 55 81 88 41 57 85 88 44 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW FW FW FW CL CL FW FW FW FW SC SC SC SC
POP 12HR 0 0 0 0 0 0 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