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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 AM EST Fri Nov 6 2026
VAZ046-062100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
831 AM EST Fri Nov 6 2026
Date Fri 11/06/26 Sat 11/07/26 Sun 11/08/26
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 42 61 36 65
TEMP 67 70 69 59 53 50 47 43 54 61 61 49 43 40 38 37 54 63 64 55
DEWPT 60 57 54 52 49 47 42 37 40 38 36 36 36 36 35 35 42 40 39 37
MAX/MIN RH 60 90 39 96 38
RH 78 63 59 78 86 89 83 79 59 42 39 61 76 85 89 92 64 43 40 51
WIND DIR NW W W W NW NW NW NW NW NW NW NW NW W W W W W W SW
WIND SPD 5 4 4 5 6 6 9 6 8 9 9 5 4 5 5 5 6 8 8 6
CLOUDS B2 OV SC FW SC FW FW CL CL CL CL CL CL CL CL CL CL CL FW CL
CLOUDS(%) 76 89 30 19 26 25 10 2 4 3 4 5 2 2 4 5 0 0 6 0
VSBY 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 40 0 0 0 0
RAIN SHWRS IS SC
MIX HGT 1 2 2 <1 <1 <1 <1 <1 3 4 4 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR NW W NW W NW NW NW NW NW NW NW NW NW NW W W W W W W
T WIND SPD 9 5 8 8 9 9 10 10 13 13 13 10 9 9 8 6 9 9 11 10
DISPERSION PR PR PR PR PR VP PR PR PR
ADI 15 12 17 4 4 4 7 11 55 52 52 5 4 4 4 7 24 34 36 5
MAX LVORI 4 2 2 4 5 6 4 4 1 1 1 3 4 5 6 6 2 1 1 2
STABILITY D C B F F F E B B C C F F F F B B B B F
CEILING None None None None None None None None None
STA PRES 29.15 29.21 29.25 29.29 29.30 29.37 29.38 29.39 29.32
Date Mon 11/09/26Tue 11/10/26Wed 11/11/26Thu 11/12/26
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 38 67 37 71 40 68 38 64
TEMP 43 39 65 55 41 39 68 58 45 41 66 52 43 39 62 52
DEWPT 32 34 38 37 35 34 40 39 38 38 42 40 39 37 41 40
RH 65 82 37 51 79 82 36 49 76 89 42 63 86 92 46 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL CL FW FW FW FW CL FW FW FW SC SC
POP 12HR 0 0 0 0 0 0 5 20
RAIN 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