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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1201 AM EST Wed Nov 4 2026
VAZ012-050900-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
1201 AM EST Wed Nov 4 2026
Date 11/03/26 Wed 11/04/26 Thu 11/05/26 Fri
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 49 69 57 74 49
TEMP 52 50 50 60 64 65 60 60 60 59 58 64 70 71 59 56 55 52 50
DEWPT 52 50 49 55 56 58 60 59 59 59 58 63 61 58 57 55 54 52 49
MIN/MAX RH 100 70 100 61 100
RH 100100 96 84 75 78100 96 96100100 97 73 63 93 96 96100 96
WIND DIR SE SE SE S S S SE S S S S SW SW SW W W W W NW
WIND SPD 3 3 2 4 4 3 4 4 4 3 1 2 2 2 1 1 1 1 1
WIND GUST 14 14
CLOUDS SC FW SC B1 OV OV B2 OV OV OV B2 B1 B1 B1 B1 B1 B2 B2 B2
CLOUDS(%) 45 16 27 65 88 88 86 92 92 88 76 68 53 58 60 66 70 77 71
VSBY 10 10 10 10 10 9 9 9 8 8 6 9 10 10 10 10 10
POP 12HR 0 50 100 20 20
RAIN C C C D L S S S S
TSTMS IS IS
MIX HGT <1 <1 <1 2 2 2 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR S S S S S SE S S S S S SW SW SW SW
T WIND SPD 13 14 11 17 14 6 8 9 11 10 8 10 19 18 3
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 6 7 9 31 28 14 5 6 8 5 6 23 63 46 2
MAX LVORI 6 8 8 4 3 4 9 8 8 9 8 5 3 1 6
STABILITY F F C D D C E E E F C C C C F
CEILING None 100 100 500 0 200 None
STA PRES 27.37 27.32 27.27 27.25 27.19 27.20 27.17
Date 11/06Sat 11/07/26Sun 11/08/26Mon 11/09/26Tue 11/10/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 70 39 58 29 59 28 60 29 64
TEMP 65 56 46 40 53 47 38 30 55 47 38 30 56 47 38 31 60 50
DEWPT 47 44 42 38 35 35 33 30 31 32 31 29 27 30 29 27 29 33
RH 52 64 86 92 50 63 82100 40 56 76 96 32 51 70 85 31 52
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 FW FW SC SC SC SC SC SC FW FW FW FW CL FW FW FW FW
POP 12HR 10 0 5 0 0 5 5 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