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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
531 AM EST Mon Nov 9 2026
VAZ046-092100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
531 AM EST Mon Nov 9 2026
Date Mon 11/09/26 Tue 11/10/26 Wed 11/11/26
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 66 36 70 38 70
TEMP 45 59 64 65 52 45 41 38 38 58 67 68 56 50 46 43 41 61 67 68 58
DEWPT 34 37 41 38 37 37 37 36 37 44 42 42 41 40 41 41 41 48 48 47 47
MAX/MIN RH 38 98 38 100 47
RH 65 44 43 37 56 73 85 92 96 59 40 39 57 68 83 93100 62 50 47 67
WIND DIR W NW W NW NW W SW W SW SW W SW W W W W W SW S S S
WIND SPD 5 11 11 8 4 3 2 4 5 8 10 6 4 3 3 3 2 2 4 3 3
WIND GUST 23 21
CLOUDS CL CL CL CL CL CL CL CL CL CL CL CL CL FW CL FW FW CL FW FW SC
CLOUDS(%) 0 3 3 1 2 3 4 5 1 1 1 1 3 6 4 7 9 5 13 19 29
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 8 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 2 4 4 <1 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 2 4 2 <1
T WIND DIR W NW NW NW NW NW W W W W W W W W W W W SW SW SW S
T WIND SPD 9 18 20 16 8 5 5 8 10 11 16 11 10 8 6 4 4 5 9 8 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 10 51 81 74 4 3 3 4 11 21 51 35 5 4 3 2 5 12 43 20 3
MAX LVORI 3 1 1 1 3 3 5 8 6 2 1 1 3 3 5 6 9 2 1 2 3
STABILITY B C C B F G G F B B C B F G G G B B B B G
CEILING None None None None None None None None None None
STA PRES 29.33 29.33 29.40 29.39 29.35 29.29 29.32 29.31 29.29 29.17
Date Thu 11/12/26Fri 11/13/26Sat 11/14/26Sun 11/15/26
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 41 63 39 53 34 52 32 56
TEMP 47 43 62 54 44 41 51 41 37 36 50 41 35 33 53 46
DEWPT 46 43 50 48 43 38 35 33 32 29 29 28 27 27 31 32
RH 96100 65 80 96 89 54 73 82 75 44 59 72 78 43 58
WIND SPD <15 <15 <15 15> <15 <15 <15 <15
AVG CLOUDS SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC FW FW FW FW
POP 12HR 0 40 30 30 10 0 0 0
RAIN S C C C C S
$$
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