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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EST Sat Nov 7 2026
VAZ046-072100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
131 PM EST Sat Nov 7 2026
Date Sat 11/07/26 Sun 11/08/26 Mon 11/09/26
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 61 33 64 38 66
TEMP 60 49 42 39 37 34 53 63 64 52 48 44 41 38 56 64 65 54
DEWPT 36 37 36 35 34 34 41 40 39 40 36 33 32 34 41 38 36 36
MAX/MIN RH 40 100 41 84 34
RH 41 63 79 85 89100 64 43 40 63 63 65 70 85 57 38 34 50
WIND DIR NW NW W W W W SW SW SW SW W W W W W W W W
WIND SPD 10 6 4 4 4 4 5 8 8 6 6 5 6 6 9 10 8 4
CLOUDS CL CL CL FW FW FW CL CL CL CL FW CL CL FW CL CL CL CL
CLOUDS(%) 3 2 2 15 11 16 3 2 1 3 11 2 2 6 5 1 1 1
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 4 <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1 3 4 4 <1
T WIND DIR NW NW NW W W W W W W W W W W W NW NW NW NW
T WIND SPD 17 10 6 8 6 6 8 10 12 11 10 11 10 8 16 17 11 8
DISPERSION PR VP VP VP PR PR PR PR VP
ADI 64 5 3 4 3 7 17 33 33 5 5 5 5 8 50 66 50 4
MAX LVORI 1 3 4 5 6 8 2 1 1 3 3 3 3 4 1 1 1 2
STABILITY C F F F F B B B B F F F F B C C B F
CEILING None None None None None None None None None
STA PRES 29.29 29.37 29.37 29.35 29.27 29.27 29.30 29.33 29.33
Date Tue 11/10/26Wed 11/11/26Thu 11/12/26Fri 11/13/26
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 34 69 40 68 42 62 38 55
TEMP 41 35 67 59 46 41 67 54 47 43 60 50 44 40 53 43
DEWPT 35 35 40 41 38 38 44 44 42 41 45 44 41 36 34 31
RH 79100 37 51 73 89 43 69 83 93 58 80 89 85 48 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW CL CL FW FW FW FW SC SC B1 B1 B2 B1 B1 B1
POP 12HR 0 0 0 0 5 30 30 20
RAIN C C C S 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